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S225-11-1 CL-6 Series Control Installation

1. A NEUTRAL SA LAMP pe BOARD ENSE 14 4 P SENS COUPLER COUPLER 1J4 3 V OUT SUPERVISORY AUTO TRIACS MOTOR LOAD SWITCH ENABLE CURRENT hee COUPLER COUPLER SENSE COUPLER COUPLER LOWER SOURCE RAISE PANEL V IN DIFF POWER INPUT o OFF NPUT COUPLER o AUTO Son 96 OFF SUPERVISORY oMANUAL RAISE LOWER 6 AMP OFF SCP DRAG po BLK RED HAND PS GRN O 9 EXTERNAL d Sk MIT SOURCE 4 H ij 10 d E TI ME qp _____ 412 ___________ 2410 4 342 ew od VEEE Ns oe see Jai Jat J4 18 J4 5 JA 15 4 8 JA 9 J4 6 4 16 TBZ VS Pu 4S eR 4 Prez 826 25 TB2 G TB2 BR TB2 V oTB23 TB2 R3 TB2 HS TB2 DHR TB8 8 o 7B1 L1 TB1 R1 REMOVABLE TB8 1 TB1 HS TB1 DHR JUMPER FOR TB1vS BLOCKING RELAY Ne TB1 V5 PROVISIO C ee ae ERE _ TB1 V4 US 4 J B as 4 JBB L JBBR JBB HS REMOVABLE B NO NC JUMPER i E NC NLS IRS ACCESSORIES Jura Loa 79 c NC C ie NC 88 RSS MC NO C NO f i HSL HSR TCBG Q JEG O ER REMOVABLE GROUND IN JUNCTION BOX CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 w
2. Security Level Key Entry Limit Func Level 1 Level 2 Level 3 Factory Code Main Menu Sub Menu Parameter Read Edit Reset setting Low High 161 Features Communications 161 Com Port 2 0 2 NA 9600 NA NA Speed 9600 BPS e The control microprocessor has two communications channels each with selectable baud rates e Options for Communications Port 2 include 300 600 1200 2400 4800 9600 19200 38400 162 Features Communications 162 Com Port 2 0 2 NA 0 0 65535 Sync Time 0 msec e This defines the period of time for Com Port 2 the received data line must idle to assume the start of a request message See the Control Features Digital SCADA section of this manual 163 Features Communications 163 Com Port 2 0 2 NA 1234 0 65535 DNP Master Adrs 1234 e The control will send unsolicited responses to this master address 164 Features Communications 164 Com Port 2 0 2 NA 2 0 65535 DNP Remote Adrsl 2 e This is the primary DNP remote address for Com Port 2 The DNP Remote Address 1 for Com Port 2 is entered at FC 64 with a factory preset address of 2 164v Features Communications 164 Com Port 2 0 2 NA 65519 0 65535 DNP Remote Adrs2 65519 This is the DNP rem representative The DNP Remote A ddress 2 for Com Port 2 is entered at FC 64 with a factory preset address of 65519 ote
3. e The time delay is the period of time in seconds that the control waits from the time when the voltage first goes out of band to the time when a tap change is initiated during reverse power flow e See FC 2 FC 5 and the Control Features Reverse Power Operation section of this manual 541 Settings Reverse 054 Rev Line Drop 0 2 NA 0 0 96 0 96 0 Direction Comp Resistance 0 0 Volts The resistive line drop compensation value is used to model the resistive line voltage drop between the regulator and the center of regulation The control uses this parameter in conjunction with the regular configuration FC 41 and the load current to calculate and regu late to the compensated voltage displayed at FC 8 during the reverse power flow e See FC 2 FC 5 and the Control Features Reverse Power Operation section of this manual 551 Settings Reverse 055 Rev Line Drop 0 2 NA 0 0 96 0 96 0 Direction Comp Reactance 0 0 Volts The reactive line drop compensation value is used to model the reactive line drop voltage between the regulator and the center of regulation The control uses this parameter in conjunction with the regulator configuration FC 41 and the load current to calculate and reg ulate to the compensated voltage displayed at FC 8 during the reverse power flow e See FC 2 FC 5 and the Control Features Reverse Power Operation section of this manual 56
4. TB3 R3 TB3 HS TB3 DHR TB3 L2 TB3 R2 TB3 BR TB3 L1 TB3 R1 A A A LLS Z7 RLS Z7 2 ji BBOHR JBB L JBB R 47 M BBHS N Lt 56 o 1 NC c MRE 45 T2 NE S vis NC Q His ons LSS RSS M n NO 11 11 HSL HSR TCB G A es BEA Y INTERNAL REMOVABLE GROUND IN JUNCTION BOX CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TB3 NL 125 JBB G White JBB HS Orange RLS 1 Blue LLS 1 Green Black JBB NL Red Black Motor Capacitor JBB DHR Orange Black JBB Sg 7 Blue Black Cable Assembly JBB S Black White C JBB S White Black JBB Sg JBB S JBB S Blac JBB C Red JBB C Green rc e eee JBB C4 TB G Whi JBB S4 w 1G hite JBB HS LLS 1 JBB DHR JBB S5 TBo Co TB4 HS Orange i TBo R3 Blue Ty 1 Blue D PD PD TByL3 White Green G HS R R4 4 4 INL B Vs Va Va V4 V G R4 L4 Co C4 Vp TBg3 White Green R P19 TB4 NL White Red TB DHR White Orange 5 1 Fe 50 2 TB2 C4 5 Blac RCT RCT 120 Blac TB G White RCT4G White SD 2 Violet Gr
5. 82 Demand 82 Demand Task Operation 82 Tap Position 83 Source Side Voltage 83 Differential Voltage 83 External Source Voltage 83 Source Side Voltage Calculation 83 Reverse Power Operation 84 Locked Forward Mode 84 Locked Reverse Mode 84 Reverse Idle Mode 85 Bi directional Mode 86 Neutral Idle 86 Cogeneration Mode 87 Reactive Bi directional Mode 88 Voltage Limiter 88 Voltage Reduction 89 Local Digital Remote Mode 89 Soft ADD AMP Feature 89 Supervisory Control and Data Acquisition SCADA 89 Data Retrieval and Settings Uploading 89 Digital a a eros 89 Analog SCADA 90 Remote Motor Control and Auto Inhibit 92 Alternate Configuration 92 Transducer Connections 93 Fooler Voltage Scheme 93 SECTION 7 ADVANCED CONTROL FEATURES Metering PLUS 94 Compensated 94 Load Voltage
6. 95 es RR 95 Tap POSION Sole leas 96 Compact sada gsc bas edd 97 Flash Card 98 Communications 100 Communication Ports 100 Protocols 1 ETYULeRGBR SS X SLE 100 Programmable Input and Output 100 Inputs and 101 Discrete Inputs and Outputs Auxiliary I O 102 on oett secos Mte de MS 104 dedi ebd 104 io utt hele cs hinge ea atte Lok Histograms TIME ON TAP Preventive Maintenance Tapping PMTIMOGdGA EC os PMIiT IMOGBB 55 nedi staan Dadar E Duty Cycle Leader Follower 5 SECTION 8 TROUBLESHOOTING External Check x imet uberem Defining the Problem Control Panel Troubleshooting No Power Self Diagnostics Diagnostic Error Messages Indication Messages When Using Edit Key Tap Changer Operation Troubleshooting Metering Troubleshooting Control Voltage Calibration Current Calibration SECTION 9 CONTROL ACCESSORIES COMMUNICATIONS exer SOTMWALG Sc drei As Aha E ED Har
7. 16 170 Features to 170 to Neutral 0 2 NA Neutral Off e The Tap to Neutral feature is enabled here The options include Off On e For more information refer to the Control Features Tap to Neutral section of this manual 175 Features Soft ADD AMP 175 SOFT ADD AMP 0 2 NA 16 NA NA limit is set here The allowable values are 16 14 12 10 or 8 Soft ADD AMP restricts the range of regulation firmware logic as opposed to the hardware on the tap position indicator The high 176 SOFT ADD AMP Low Limit 176 Features Soft ADD AMP 16 16 NA NA The allowable values are 16 14 12 10 or 8 The low limit of the Soft ADD AMP restriction on the range of regulation are set here 68 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Factory Func Level 1 Level 2 Level 3 Security Level Setting Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset TA High 189 Diagnostics Control 189 Database 0 NA NA NA NA NA Version XX This is the Database Version Number of the firmware e XX Version Number 190 Diagnostics Control 190 PLD 0 NA NA NA NA NA Version XX This is the Programmable Logic Device PLD Version Number e XX Programmable Lo
8. E XO8 108107 OL wN gt os wigauHM 9 sna 28 ams esc E Ex Sr Bee lt nvo a Sa 5 uuu u aw uH Dol assy 31810 21 m CH U ____ NOILSNNOD ZI C 18VH2 0102 N 18 940 22 41 N D 22 ond Nld 01 X310 EB DI 3DVLd3038 Nid X310 3121193299 EH OL XFIOW ani 0015 LHM 0015 8 Orig mg c v 18 034 v 18 40 1 59 Orig Nu9 1 51 OL EH E m EB E E E m ANIS DIN 8 XO8 INNI HM DD 19 LINDY NOILD3LO d 15 418 940 2 58 GQION3105 977 xm an GALS 8 g r 578 HOLIMS 0 9120143299 ql 91 Nid eg Ni BN ong 6 wo x m 2 gt J wo e fof fefe fef efefefe s E STI HOLIMS HT 8 AIWITI3MOT Se 2571 ple ong ma p Org rra L0 8 E 940 8 NOLLISOd 08 038 089 039 g NLS DIW Xog Nnf TNNH3LNFTDVLd3O3N V TDVLd3D3U X31OW LHM anus aaf LHM CSU iagram d CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com iring 116 Figure 10 1 Jun
9. Where source voltage supply and load voltage supply are in the reverse direc tion Based upon the new metered reverse values the kVA kW kvar and buck boost are now calculated Locked Forward Mode When FC 56 is set for Locked Forward no source voltage is required This mode 15 not intended to be used in applications where reverse power flow is possible METERING Always operates in the forward direction regardless of power flow direction If reverse power occurs the metering functions remain on the normal load side of the regulator no reverse demand readings will occur OPERATION Figure 6 2 Always operates in the forward direction using the forward settings at FC 1 FC 2 FC 3 FC 4 and FC 5 This allows operation down to zero current conditions since there is no forward threshold involved A safeguard has been built into the control to prevent misoperation in the event reverse power flow does occur If more than 2 004 A CT secondary reverse current occurs the control idles on the last tap position held and the band edge indicators will turn off As the current flow returns to a level above this reverse threshold normal forward operation resumes Band edge indicators Y are turned off and tap changing is inhibited i when real component of current is greater than 2 reverse Reactive Current SS r 296 0 Real Current 96 of C T Primary Forward Operation Fi
10. AT 5T 6T Demand Time Interval Figure 6 1 Demand time interval response 82 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Tap Position Indication The control has the ability to track the position of the tap changer The tap position indication TPI function senses the status of the motor and neutral light circuits and does not require source input voltage The present tap position is stored at FC 12 EXAMPLES 8 at FC 12 indicates 8 raise and 7 indicates 7 lower The TPI function is synchronized to the position of the tap changer by running the regulator to the neutral position To manually set the present tap position Access security level 3 access FC 12 use the Edit key to change to the desired value The maximum tap position since last reset upper drag hand value of the present tap position and its date and time are stored at FC 27 The minimum tap position since last reset lower drag hand value of the present tap position and its date and time are stored at FC 28 The TPI drag hand values and dates times are reset to the present values by the master reset FC 38 or by resetting each of the values individually The drag hand reset switch resets the drag hands of the position indicator only not TPI values are stored in non volatile memory The following conditions could occur if the present tap position was manually set incor
11. Forward Operation OT Operating Threshold FC 57 1 5 Figure 6 8 Neutral idle mode operation Band edge indicators are turned off Cogeneration Mode When FC 56 is set for cogeneration a source voltage is required In recent years there have been a growing number of voltage regulator applications involving cogeneration by utility customers The cogeneration mode was developed for the Cooper regulator control to satisfy the specialized needs of these applications Normally the desired operation of a regulator installed on a feeder involving cogeneration 15 to regulate the voltage at the customer substation during times of power flow into the customer site and to regulate the voltage at the regulator on the same output side during power flow into the utility grid This is accomplished by simply not reversing the control sensing input voltage when reverse power 15 detected and by altering the line drop compensation settings to account for this change in power flow direction See Figure 6 9 Line Drop Compensation Difference ee 06 e 2 1 Utility Customer Cogeneration Substation Substation Site Regulated Regulated Voltage during Reverse Power Flow Voltage during Forward Power Flow Figure 6 9 Cogeneration regulation points METERING Figure 6 10 Always operates in the forward direction except that load center voltage 15 calculated based upon the
12. X Normal Reverse Operation FC 51 55 Reactive Current Tap changing inhibited and band edge indicators are Normal Forward turned off Operation FC 1 5 N 27 OT 0 OT Real Current 96 of C T Primary Reverse Operation SS Forward Operation ZZ OT Operating Threshold FC 57 1 596 SS Figure 6 7 Bi directional mode operation OPERATION Figure 6 7 The control operates in the forward direction whenever the real component of the current is above the operator defined forward threshold FC 57 The control operates in the reverse direction using the reverse settings at FC 51 FC 52 FC 53 FC 54 and FC 55 whenever the current is above the operator defined reverse threshold FC 57 When the current is in the region between the two thresholds the control idles on the last tap position held before the current fell below the threshold The operational timer time delay is reset on any excursion below the threshold in either direction and the band edge indicators turn off Neutral Idle Mode When FC 56 is set to Neutral Idle a source voltage is required METERING Figure 6 6 A threshold level of 196 002 A of the full load CT secondary current 200 A is used in setting the power direction The metering will be forward until the current exceeds the 196 threshold in the reverse direction At this time the various parameters use the reverse s
13. Features Reverse Power 056 Reverse Sensing 0 2 NA Locked NA NA Mode Mode Locked Forward e The control offers seven different response characteristics for reverse power flow operation selectable by the user e Options include Locked Forward Locked Reverse Reverse Idle Bi directional e Neutral Idle Co generation Reactive Bi directional e The current threshold set at FC 57 must be exceeded for the reverse sensing mode to function e See the Control Features Reverse Power Operation section of this manual 57 Features Reverse Power 057 Reverse Current 0 2 NA T 1 5 Mode Sense Threshold 1 e This is the current threshold at which the control switches operate either from forward to reverse or reverse to forward e This threshold is programmable as a percentage of the rated CT primary rating e Example A 328 A regulator utilizing a CT with a 400 A primary rating and with a 3 threshold value would have a threshold of 12 A The metering of the control switches on a fixed 196 threshold completely independent from FC 57 See the Control Features Reverse Power Operation section of this manual CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 57 TABLE 5 3 cont Function Codes Func Level 1 L
14. Pin 6 gt Normally CLOSED Pin 7 gt Normally OPEN OUTPUT 4 Pin 8 gt Normally CLOSED SES Pin 14 Motor Fuse Whetting 0 J Voltage Auto Off Manual Switch in the Auto Remote Position V Source 120 V from Internal or External CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 103 Alarms An alarm is a binary On Off flag that is activated when a userdefined condition is true The status of an alarm can be viewed on the display or through communica tions including the ProView NXG software Alarms can only be configured via communications The user can define the priority of an alarm to cause the Alarm LED Warning LED or no LED to be illuminated The assigned priority of the alarm also determines the order in which the alarms are viewed via the display e Assigning a Priority of 0 50 will cause the Alarm LED to be illuminated when the alarm condition is active e Assigning a Priority of 51 100 will cause the Warning LED to be illuminated when the alarm condition 15 active Assigning a Priority of 101 127 will not cause an LED to be illuminated but the condition can be viewed on the display or through communications when the alarm condition is active A timer can also be set for each alarm This will allow the alar
15. Resume 10 32 8 STEPS MFG DATE 06 shunt CU series AL 6 95 600 0 2 CHANGER QD8 O TAPS LOCATED UNDER OIL ON CHANGER TERMINAL BOARD POTENTIAL TRANSFORMER m POLARITY MARKER I JUNCTION 626XXX 00 ON COVER FILLED WITH ANSI TYPE Il MINERAL OIL THAT CONTAINED LESS THAN 1 PPM PCB MADE IN WAUKESHA AT TIME OF MANUFACTURE WISCONSIN U S A TP T ioo GONIROLTWIERNAL RC EST OVERALL N TAP TERMINAL POT SOURCE LA __1 0 use VOLTS TANK RATIO CONTROL VOLTAGE RATIO 8000 E 60 1 133 120 5 66 5 1 ARRESTER CURRENT Q 1 JBANSFORHER Q 7970 60 1 133 120 66 5 1 res Q 7620 amp 60 1 127 120 6351 SWITCH 7200 amp 120 120 SERIES 3 ES 6930 amp 60 1 115 1205 5751 4800 40 1 120 120 4 EQUALIZER WINDING sso amp 104 120 5471 2400 20 1 120 120 20 1 REACTOR P O WARNING DO NOT BYPASS UNLESS ON NEUTRAL POSITION CONTROL SWITCH IS OFF FAILURE TO DO SO MAY CAUSE DAMAGE TO REGULATOR RESULTING IN PERSONAL INJURY OR DEATH READ INSTALLATION AND OPERATING INSTRUCTIONS S225 11 1 AND S225 10 10 LIMIT SWITCH SETINGS ON POSITION INDICATOR REGULATION tz 7
16. TABLE 5 3 cont Function Codes 2179 Ordinal Map CL 6 Key Entry Func Level 1 Level 2 Level 3 Security Level Factory Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 266 Features Communications 266 Com Port 1 0 2 NA CL 6 NA NA The options include This allows the user to set the control to emulate different maps for differen for Com1 Com3 when using the 2179 communications protocol t CL series Cooper Power Systems regulator controls 2179 Ordinal Map CL 6 e USER e CL 5D CL 5E CL 6A CL 6 default 267 Features Communications 267 Com Port 1 0 2 NA CL 6 NA NA DNP Data Dict CL 6 e This allows the user to set the control to emulate different data dictionaries for different CL series Cooper Power Systems regulator controls for Com Ports 1 3 when using the DNP communications protocol e The options include e USER e CL 5D CL 5E CL 6A CL 6A w Events CL 6 default 268 Features Communications 268 Com Port 2 0 2 NA CL 6 NA NA The options include USER CL 5D CL 5E This allows the user to set the control to emulate different maps for differen for Com Port 2 when using the 2179 communications protocol CL 6A t CL series Cooper Power Systems regulator controls CL 6 default 269 Features Communications 269 Com P
17. 2 Protocol 160 Com Port 2 Speed 161 Com Port 2 Sync Time 162 Com Port 2 DNP Master Adrs 163 Com Port 2 DNP Remote Aars1 164 Settings for Com Port 1 also apply to Com Port 3 36 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 2 cont Function Menu Level 1 Main Menu Level 2 Sub Menu Parameter Code Features cont Communications cont Com Port 2 DNP Remote Adrs2 164 Com Port 2 2179 Remote Adrs 164 Com Port 2 Handshake Mode 165 Com Port 2 Tx Enable Delay 166 Com Port 2 Tx Disable Delay 167 Com Port 2 2179 Ordinal Map 268 Com Port 2 DNP Data Dict 269 Calibration Voltage Calibration 047 Current Calibration 048 Reset Calibration 150 Compact Flash CompactFlash Data Writer 350 CompactFlash Load Custom 351 CompactFlash Load Std Config 352 CompactFlash Save Custom Cfg 353 CompactFlash Save Std Config 354 CompactFlash Format CF Card 355 CF Load Custom Basic Config 357 CF Load Standard Basic Config 358 CF Save Custom Basic Config 359 CF Save Standard Basic Config 360 CF Load Custom AdvFeat Config 361 CF Load standard AdvFeat Config 362 CF Save Custom AdvFeat Config 363 CF Save Standard AdvFeat Config 364 CF Load Custom Comms Config 365 CF Load Standard Comms Config 366 Custom Comms Config 367 CF Save Standard Comms Config 368 CL 6 Series Control Installation Operation and M
18. FC 56 Voltage Limiter FC 80 through FC 82 Voltage Reduction FC 70 and FC 72 through FC 75 Tap To Neutral FC 170 and Soft ADD AMP FC 79 and FC 175 through FC 176 Alternate Configuration settings can be entered using two methods 1 Activate the Alternate Configuration mode by turning it on at FC 450 and then set the individual settings using each function code 2 Using ProView NXG software enter the Alternate Configuration settings in the Alternate Configuration Setting screen and load the settings using one of the communications channels When the control is in the Alternate Configuration mode the display for each of the affected control parameters will display the statement AltConfig at the bottom This will indicate that the alternate configuration setting is active and in use for control operation see the example below 001 Forward Set Voltage 120 0 Volts AltConfig When the Metering PLUS Comp Voltage button is pressed it will display AltConfig Active on the bottom line as shown in the example below Comp Voltage 120 0 Band 119 0 121 0 Using Func 1 5 AltConfig Active 92 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Auto Restore Local ARL Two additional functions that can be enabled at FC 450 are Auto Restore Local Heartbeat ARLH and Auto Restore Local Comms ARLC When SCADA communications are being used
19. Flash Card Port Figure 1 6 Status indicators and flash card port Alarm Indicators These LEDs indicate an Alarm or Warning a user defined condition or a diagnostic error See Figure 1 5 Communications Communication Indicators These LEDs give the ability to see that transmit and receive messages are active when the transfer of infor mation is taking place See Figure 1 5 Communication Port 1 Com 1 Port is an RS 232 DCE port that interfaces local communication between the control and a PC using a standard DB9 style RS 232 cable A null modem is not required See Figure 1 5 Status Indicators These LEDs indicate regulation conditions Voltage Limiter High Outof Band High Out of Band Low Voltage Limiter Low Tapping Blocked Reverse Power and Voltage Reduction Refer to Figure 1 6 Refer to the Control Operation Control Features and Advanced Features sections of this manual for more information Flash Card Port The flash card port accepts a Type 1 compact flash card It is used to write existing data logs and to load and save standard and custom configurations See Figure 1 6 FC 350 through FC 368 are flash card functions refer to the appropriate listing in Table 5 3 See the Advanced Features Compact Flash Card section of this manual for more information CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 17 SECTION 2 CONTROL INSTAL
20. Selecting On will enable the basic Alternate Configuration settings Selecting ARLH will enable the Auto Restore Local Heartbeat function This function will revert control settings modified through SCADA communications back to original settings when a heartbeat signal is lost or discontinued Selecting ARLC will enable the Auto Restore Local Comms function This function will revert control settings modified through SCADA communications back to original settings when a communications signal is lost Selecting P l O will enable Alternate Configuration settings to be enabled or disabled using P I O logic equations 451 Features Alternate 451 Alternate 0 NA NA NA NA NA Config Configuration Inactive e This is the state of Alternate Configuration It will display either Active or Inactive CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 75 Special Functions Use these functions to perform commands through the menu or function code system Master Reset 38 Initial Press Reset Message Entering FC 38 or accessing this command via the menu system will cause the LCD to display the following message 038 Master Reset PRESS RESET While the PRESS RESET message is displayed pressing the Escape key causes the LCD to exit the viewing of this command and to display the previous sub menu items
21. The operator may change the state of this code by entering the level 2 security at the control and pressing the Edit Reset key If SCADA has the control blocked the operator may override the SCADA system by changing FC 69 from blocked to normal or if the operator chooses to block automatic operation FC 69 can be changed from normal to blocked e Refer to the Control Features SCADA section of this manual for additional information concerning the SCADA interaction with the control 70 Features Voltage 070 Voltage 0 2 NA Off NA NA Reduction Reduction Mode Oft e The control has three voltage reduction modes available for user selection Options include Off Local Digital Remote Remote Latch Remote Pulse e Refer to the Control Features Voltage Reduction section of this manual 71 Voltage Voltage 071 Reduction in 0 NA NA NA NA NA Limiter Reduction Effect 10 0 e This is the actual percentage of voltage reduction presently active See the Control Features Voltage Reduction section of this manual 72 Features Voltage 072 Local Digital 0 2 NA 0 0 0 0 10 0 Reduction Reduction Value 0 0 e Three levels of remotely activated latching voltage reduction are available e The percentage of voltage reduction to be performed is programmed at FC 72 Remote activation is then accomplished through SCADA communications 73 Features Vo
22. The source voltage calculation provides accuracy to 1 596 maximum error When the calculated values are used the LCD will display Calculated e f source voltage is sensed it will take precedence over the calculated voltage 401 Settings Configuration 040 Regulator 0 2 NA 12345 1 32766 Identification 12345 This provision is made for entry of a number to uniquely identify each control The serial number of the control as shown on the decal on the back of the front panel was entered at FC 40 at the factory However any other number within the limits defined above may be chosen instead e When using flashcards for file transfers the regulator identification is included in the transferred files Refer to the Advanced Features Compact Flash Card section of this manual 41 Settings Configuration 041 Regulator 0 2 NA See NA NA Configuration Note Wye The control is designed to operate on wye connected or delta connected three phase systems Options include Wye star Delta lagging Delta leading e Regulators connected line to ground wye or star develop potentials and currents suitable for direct implementation in the control e Regulators connected line to line delta develop a potential to current phase shift which is dependent upon whether the regulator is defined as leading or lagging This phase shift must be known by the control to permit accurate calculations for correct op
23. Voltage Averaging Enter 043 System Line Voltage Function 43 Enter Edit Value Enter 044 Overall Ratio Function 44 Enter Edit Value Enter 045 C T Primary Rating Function 45 Enter Edit Value Enter 049 Tap Changer Type Function 49 Enter Edit Scroll Cooper QD8 Cooper QD5 Cooper QD3 Cooper Spring Drive Cooper Direct Drive Siemens General Electric Howard LTC Reinhausen Enter 050 System Calendar and Clock Function 50 Enter Edit Month Day Year Hour Minute Enter 069 Auto Operation Blocking Status Function 69 Enter Edit Scroll Normal Blocked Enter Voltage Reduction 070 Voltage Reduction Mode Function 70 Enter Edit Scroll Off Local Digital Remote Remote Latch Remote Pulse Enter 072 Local Digital Reduction Value Function 72 Enter Edit Value Enter 073 Remote 1 Value Function 73 Enter Edit Value Enter 074 Remote 2 Value Function 74 Enter Edit Value Enter 075 Remote 3 Value Function 75 Enter Edit Value Enter 076 of Pulse Reduction Steps Function 76 Enter Edit Value Enter 077 of Voltage Red Per Pulse Step Function 77 Enter Edit Value Enter Voltage Limiter 080 Voltage Limiter Mode Function 80 Enter Edit Scroll Off High Limit Only High Low Limit Enter 081 High Voltage Limit Function 81 Enter Edit Value Enter 082 Low Voltage Limit Function 82 Enter Edit Value Enter 34 CL 6 Series Control Installation Operation and Maintenance Instructions 5
24. 091 260 261 262 263 264 265 333 300 301 302 303 320 321 322 323 324 325 326 327 328 40 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Function Codes Refer to Table 5 3 for a numerical listing of the function codes The table accurately represents the display of each function code and identifies the security level for read edit and reset the factory setting and the low and high limits for keyed in entries This is followed by a description and where appropriate a list of scrollable choices examples and related functions and features for each function code TABLE 5 3 Function Codes Security Level Key Entry Limit Func Level 1 Level 2 Level 3 Factory Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 0 Counters Operations 000 Total 0 3 NA NA 0 999999 Counter Operations XXXXX e The total operations counter is activated by detecting tap changer motor operation which is determined by sensing current flow in the holding switch circuit e The total operations counter is written into non volatile memory after every count e Access other operations counters at FC 100 FC 107 1 Settings Forward Direction 001 Forward Set 0 2 NA 120 0 50020 13 57 0 Voltage 120 0 Volts The forward set voltage is the voltage level to which the control will regulate on the 120 V
25. 1 7620 2 2 575 1 33 20 63 7 1 7200 2 2 575 1 120 20 575 1 6930 E2 P2 575 1 120 120 5 575 1 14400 E4 P1 120 1 120 20 120 1 13800 E4 P1 120 1 115 20 115 1 13200 E4 P1 120 1 110 20 110 1 14400 12000 E4 P1 120 1 104 115 5 104 1 7970 2 2 60 1 33 20 66 5 1 7620 2 2 60 1 127 20 63 5 1 7200 2 2 60 1 120 20 60 1 6930 2 60 1 115 120 5 575 1 19920 E4 P1 166 1 120 20 166 1 17200 E4 P1 166 1 104 119 5 143 9 1 16000 2 2 120 1 133 120 5 133 1 19920 15242 2 2 1201 127 20 127 1 14400 2 2 120 1 20 20 120 1 7960 E3 P3 60 1 133 20 66 5 1 7620 E3 P3 60 1 127 20 63 5 1 7200 E3 P3 60 1 120 20 60 1 34500 34500 E4 P1 28751 120 20 28751 19920 2 2 165 5 1 20 120 5 165 5 1 P taps are used with taps only on regulators where an internal potential transformer is used in conjunction with the control winding to provide voltage supplies to the control See nameplate for verification of this type of control supply Test terminal voltage and overall potential ratio may vary slightly from one regulator to another See the regulator nameplate for deter mining the exact values P taps are used with E taps only on regulators where an internal potential transformer is used in conjunction with the control winding to provide voltage supplies to the control See nameplate for verification of this type of control supply Test terminal voltage and overall potential ratio may vary slightly from one regulator to anot
26. 2 Parameter Factory Limit Code Main Menu Sub Menu Read Edit Reset Setting High 324 Metering Reverse Demand 032 Reverse Load 0 NA NA NA NA NA Current Present XXX X A This is the present value of the load current during reverse power flow as a demand value according to the demand time interval at FC 46 The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 33 033 Power Factor at 0 Max Reverse kVA X XX Date Time shown Metering Reverse Demand NA NA NA NA NA This is the instantaneous power factor of the load at the first time the maximum kVA demand occ ing reverse power flow Note This parameter is associated with the maximum kVA demand therefore it cannot be reset independent of that parameter The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes urred since the last reset dur 33v Reverse Demand 033 Power Factor at Min Reverse kVA X XX Date Time shown Metering NA NA NA NA NA This is the instantaneous power factor of the load at the first time the minimum kVA demand occurred
27. 32 Metering Reverse Demand 032 Reverse Load 0 NA 1 NA NA NA Current High XXX X A Date Time shown This is the highest value of the load current during reverse power flow since the last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the highest load current is displayed e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 4 32V Metering Reverse Demand 032 Reverse Load 0 NA 1 NA NA NA Current Low XXX X A Date Time shown e This is the lowest value of the load current during reverse power flow since the last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the lowest load current is displayed e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 50 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Level 3 Security Level Key Entry Func Level 1 Level
28. 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 21 Replacement of Control To place a control into the control enclosure follow the procedure outlined below 1 Engage control on enclosure hinges 2 Connect control ground lead to back panel 3 Reconnect control to back panel at TB2 located at the bottom of back panel 4 Push closed disconnect switch V1 and V6 if pres ent 5 Pull open current shorting switch C 6 Close control and tighten locking screws 22 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com SECTION 3 INITIAL CONTROL PROGRAMMING This section explains each step for properly completing initial control programming settings on a CL 6 voltage regulator control and back panel Check the System Line Voltage rating on the regulator nameplate Refer to the regulator service manual as identified on the regulator nameplate for additional information on the regulator This section covers standard set up procedures for con trols including control replacement Refer to Programming and Reconfiguring for Different Voltage Systems in this section of this manual when installing replacing the CL6 control and reconfiguring the regulator for a different voltage system 1 Start with all switches on the control front panel turned Off 2 There are two options for powering the control inter n
29. 7 for each regulator in the bank 9 For each regulator one of the two power factor values will be reasonable and the other will be unreasonable Set the Regulator Configuration FC 41 to the value which produced the reasonable power factor See Table 3 4 For one regulator Set FC 41 to the value which pro duced the reasonable power factor For two regulators in open delta See the example in Table 3 4 In an open delta connection one of the regulators will always be leading and the other lagging The reasonable power factor for each regulator should be very close to the typical power factor of the system In this example regulator 1 is the lagging unit and regulator 2 is the leading unit For three regulators in closed delta n closed delta all three regulators are either leading or lagging depending on how they are connected relative to generator phase rotation Set FC 41 of all three regulators to the value which produced the reasonable power factor TABLE 3 4 Sample Power Factor Values for Regulators Connected in Open Delta Configuration Configuration FC Recorded Power Factor FC 41 13 Reg 1 Reg 2 Delta Lagging 0 94 0 77 Delta Leading 0 17 0 93 Reasonable power factor values 28 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com SECTION 4 CONTROL OPERATION Automatic Operation In the automatic mode of o
30. AMP feature lower tap limit 12 Soft ADD AMP feature upper tap limit 14 Userconfigured P 1 ADD AMP lower tap limit 14 e Userconfigured P ADD AMP upper tap limit 16 EXAMPLE 2 Tap Position 12 At Limit SOFT ADD AMP 12 14 P I ADD AMP 14 16 Present tap position 12 Lower Tap Changer at ADD AMP Limit Soft ADD AMP feature On Soft ADD AMP feature lower tap limit 12 Soft ADD AMP feature upper tap limit 14 e User configured external lower tap limit 14 e User configured external upper tap limit 16 EXAMPLE 3 Tap Position 0 Tap Position ADD AMP 14 16 Present tap position Neutral Soft ADD AMP feature Off e Userconfigured external lower tap limit 14 e User configured external upper tap limit 16 EXAMPLE 4 Xx Tap Position 14 At Limit Tap SOFT ADD AMP 12 14 Position P I ADD AMP 14 14 Present tap position 14 Tap Changer at ADD AMP Limit Soft ADD AMP feature On Soft ADD AMP feature lower tap limit 12 e Soft ADD AMP feature upper tap limit 14 e User configured external lower tap limit 14 e User configured external upper tap limit 14 Note Both the Soft ADD AMP feature and the physical ADD AMP settings on the Position Indicator will prevent any further lower tap changes This conclusion is based on the assumption that the Pl ADD AMP configuration settin
31. At the moment of the downloading instantaneous metering e Maximum and minimum demand values since last reset time tagged demand metering he profile of salient parameters profile recorder The Channel 41 baud rate is selectable at 300 600 1200 2400 4800 9600 19200 and 38400 Baud It is factory set to 9600 Baud Digital SCADA Refer to the Advanced Control Features section for information on communications and physical interface CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 89 Local Operator Security Through the communications channel the SCADA master may read the CL6 control data points write to certain data points or reset certain data points The technique of writing to a data point is used for performing operations such as changing settings like Set Voltage or Reverse Power Mode inhibiting automatic operation or controlling the tap changer motor etc Following is a discussion of the levels of security used to protect the local operator Supervisory Switch The 6 control is equipped with a Supervisory On Off switch When this switch is in the on position SCADA may perform the normal read write and reset activity When the switch is in the off position SCADA may only read the database This affords protection to the local operator at the front panel while allowing the system operator to maintain surveillance Control Switch I
32. CT errors 0 596 on 120 V base 0 5 120 0 6 V Setting the Control for Service The control must be properly programmed for service Refer to the Initial Control Programming section of this manual The control must be energized to be programmed Apply 120 Vac or other voltage as indicated by decal to the external source terminals ensure the ground wire is connected to the ground terminal and place power switch in the external position Alternately the regulator may be energized at line potential and the power switch placed in the Internal position When power is applied to the control the self diagnostic routine will commence and the LCD display will activate followed by a PASS message Check the date and time displayed and reset if necessary If the FAILURE or Diagnostic Error message is displayed refer to the Troubleshooting section of this manual 18 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Operational Check Pre Installation Check The CL6 control has the facilities for either manual or automatic operation of the tap changer using either the internal source of power the regulator or an external source To perform an operational check of the control before installing the regulator follow these steps Note For use with a non Cooper Power Systems voltage regulator refer to the manufacturer s manual for equip ment specific info
33. Instructions 5225 11 1 July 2013 www cooperpower com 43 TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Lew High 14 Metering Instantaneous 014 kVA Load 0 NA NA NA NA NA kVA This is the total kilovolt amperes drawn by the load as calculated by the product of the load voltage primary kV FC 10 times the primary load current FC 9 See Figure 5 3 Power Facter KW va kvar kW kVA cos q kvar kVA sin q kW Figure 5 3 Power Triangle 15 Metering Instantaneous 015 kW Load 0 NA NA NA NA NA XXXX X kW This is the total kilowatts true power consumed by the load e This is calculated by the product of the power factor FC 13 times the kVA load FC 14 See Figure 5 3 During reverse power operation the control requires source voltage from a differential or source potential transformer or from the Source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter d isplaying dashes 16 Metering Instantaneous 016 kvar Load XXXX X kvar 0 NA NA NA NA NA e This is the total kilovolt amperes reactive reactive power drawn by the load The reactive power adds to losses on the line yet does not do any
34. Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Tap Changer Operation Troubleshooting The Regulator Will Not Operate Manually or Automatically 1 Connect a voltmeter between TB R and TB G Set the CONTROL FUNCTION switch on Manual 2 Toggle the Raise switch and measure the voltage between terminals R4 and G on terminal board The voltage reading should approximate the set volt age setting 3 Place the voltmeter hot lead on TB L then toggle the Lower switch 4 Measure the voltage between terminals L4 and G on terminal board TB The voltage reading should approximate the set voltage value 5 f correct voltage readings are obtained in Steps 2 and 4 the trouble may be in the position indicator junction box control cable or motor capacitor Refer to the junction box troubleshooting section of Cooper Power Systems Service Information publication S225 10 30 6 f there is no voltage measurement in either Step 2 or 4 make a corresponding measurement to G and L to G on lower terminal board TBa 7 If the voltages measured in Step 6 are approximately the set voltage value then the fault is likely a loose connection or a faulty terminal between TB and TB 8 f Steps 2 4 and 6 do not provide voltage readings measure the voltage between and G on terminal board The reading should approximate the set voltage value 9 f Step 8 does not yield a voltage
35. Or pressing the Edit Reset button will request a Confirm before resetting all demand metering and tap position maximum and minimum values Confirm Message While the CONFIRM message is displayed pressing 038 Master Reset CONFIRM the Escape key causes the LCD to display the initial PRESS RESET message pressing the Enter key causes the execution of the command and the LCD will display DONE Done Message While the DONE message is displayed 038 Master Reset DONE pressing the Escape or Enter key will cause the LCD to exit the viewing of this command and to display the previous sub menu items Enter Security Code FC 99 Entering FC 99 as follows Function Code _ 99 causes the menu system to enter the security code mode Security Code This function code does not have an item in the menu system Self Test FC 91 Using the Self Test FC 91 will reboot the system After pressing Function 9 1 Enter and accessing the FC 91 display press Enter again to select the option and again to confirm When the reboot is complete the LCD displays the startup screen Press Escape for further keypad use Test LEDs Access this from the Main Menu Level 1 With the cur sor selecting Test LEDs in the main menu press the Enter key and the front panel LEDs will blink three times The Com port and Neutral Light LEDs do not blink Turn Display Off Access
36. Quik Drive Quik Start IME ON TAP and ProView are valuable trademarks of Eaton in the U S and other countries You are not permitted to use these trademarks without the prior written consent of Eaton SanDisk and CompactFlash are registered trademarks of SanDisk Corporation Inc in the United States and or other countries Microsoft Windows Active Sync and Internet Explorer are either registered trade marks or trademarks of Micro soft Corporation in the United 5 5 C C is ates and or other countries IEEE Std C3790 1 2012 IEEE Std C3790 2 2004 IEEE Std C5713 2008 IEEE d C5715 2009 IEEE Std 5791 2011 and IEEE Std 57 131 2012 standards are ademarks of the Institute of ectrical and Electronics Engi neers Inc IEEE This product not endorsed or approved by he IEEE IEEE is registered trademark of the Institute of Electrical and Electronics Engineers Inc IEEE
37. Reset Solenoid P P P Position Indicator JB Junction Box on the Regulator Cover JBB Junction Box Terminal X Board on the Cover ORB EB LLS Lower Limit Switch Position Indicator TERMINAL BOARD LLS Lower Logic Switch Tap Changer UNDER OIL LSS Lower Safety Switch T JBB S4 MC Motor Capacitor Es MF Motor Fuse Metal Oxide Varistor 2 Motor Resistor WINDING z RABE 82 NL Neutral Light ta y y M NLC Neutral Light Capacitor NLS Neutral Light Switch NINE PD Potential Opening Device PF Panel Fuse b 1 6 5 Power Switch JBB G Y p 1 Ratio Correction Transformer por PD2 RLS Raise Limit Switch Position Indicator RLS Raise Logic Switch Tap Changer REMOVABLE TBIG s E RSS Raise Safety Switch BAGKPANEL 7 SCP Short Circuit Protection TERMINAL BLOCK 133 SD Current Shorting Device TB Control Terminal Board 127 TCB Tap Changer Terminal Board VM Motor Voltage 120 VS Sensing Voltage VIT Voltage Test Terminals Jus 110 SOURCE 86 LOAD BUSHING COM RCT1 NOTE Portion of schematic shown in dotted enclosures 15 located in regulator tank RCT2 Figure 10 6 Wiring diagram for Type B VR 32 Regulator and CL 6 control with differential potential transformer
38. See the Control Features Voltage Limiting section of this manual 89 Diagnostics Control 089 Firmware Version 0 NA NA NA NA NA XX YY 2Z XX Version number Used for major changes that involve database enhancements e YY Revision number Used for changes that do not involve database enhancements ZZ Used for new firmware release 91 Diagnostics Control 091 Self Test NA NA NA NA NA NA e Access this screen to initiate the self test e With FC 91 accessed the LCD will display Enter press the Enter key to select and press Enter again to confirm the system will reboot then display the startup screen Press Escape for further keypad use Refer to Power Up Reset Conditions in this section of this manual 92 Features Security 092 Security 0 3 NA 0 0 3 Access Override e FC 92 is the control security override parameter e Entering the level 3 security code at FC 99 will permit the security parameters to be modified See the Control Operation Security System section of this manual 96 Features Security 096 Security Code D 3 NA 1234 1 9999 Access Level 1 1234 e The number to be used as the level 1 security code is entered here e Entry of this number at FC 99 permits the user to change reset only the parameters marked as level 1 security demand and tap position readings See the Control Operat
39. VALUE TOO HIGH e VALUE TOO LOW OUT OF RANGE INVALID DATE INVALID TIME Displayed when listing alarms or events MORE e LAST Displayed when the user access Master Reset e PRESS RESET DONE Displayed when an alarm 15 to be acknowledged or unacknowledged by the user ACKNOWLEDGE UNACKNOWLEDGED Displayed when the user accesses Compact Flash operations WRITING ES CL 6 Series Control Installation Operation and Maintenance instru ING qoM 79 ee ee eee WRITING FAILED WRITING ABORTED LOADING LOADING COMPLETE LOADING FAILED LOADING ABORTED SAVING SAVING COMPLETE SAVING FAILED SAVING ABORTED FORMATTING FORMATTING COMPLETE FORMATTING FAILED FORMATTING ABORTED Displayed when indicating that the values for Load Voltage Secondary and Source Voltage Secondary have been derived by the control CALCULATED Displayed when indicating inconsistencies between the neutral signal and Tap Position value entered by the user TAP AT NEUTRAL NOT AT NEUTRAL Metering PLUS Formats This section covers Metering PLUS displays for more information see the Advanced Features Metering PLUS section of this manual Compensated Voltage When the Comp Voltage key is pressed while the control is operating under Forward Power Flow conditions the LCD displays Comp Vo
40. address available for remote configuration For more information contact your Cooper Power Systems 164 Features Communications 164 Com Port 2 2179 Remote Adrs 6 0 2 NA 6 2046 options include sent e This is the control SCADA 2179 Remote Address for Com Port 2 e Each control on the system can be uniquely addressed by the SCADA RTU or other communications device For 2179 the e All controls on the system listen and change as commanded with no response if a message is sent to address 2047 e The control SCADA address for Com Port 1 is entered at FC 64 with a factory preset address of 6 For 2179 the High Entry Limit is 2046 0 2046 Unique device address range Controls with addresses in this range uniquely respond when the particular address is CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 67 TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 165 Features Communications 165 Com Port 2 0 2 NA RTR NA NA Handshake Mode without RTR without CTS CTS Port 2 Options include e FC 165 allows the user to select the appropriate method for control to SCADA message interaction handshake mode on Com e The transmit receive hands
41. at Neutral Position Neutral Sync e Max Tap Position Sync Min Tap Position Sync Voltage Limit Activated e Voltage Limiter High Voltage Limiter Low e Voltage Reduction Activated Soft ADD AMP High Soft ADD AMP Low PMT Mode A Auto Wipe Complete PMT Mode B Auto Wipe Complete Input Voltage Missing Input Voltage Restored Output Voltage Missing Output Voltage Restored Note When an alarm is configured to generate an event the alarm label will be displayed as the event label When accessed through the keypad only the last 50 events will be displayed If there are many events 100 that have not been read via the front panel it may take a few seconds While this is occurring the following message indicating that events are being read may appear before displaying the latest event Events Power Up Reset Conditions When the system first comes up and no error conditions are detected the LCD displays the following message Self Test Complete Date Time Shown PASS If error conditions are detected the LCD may display the following messages Self Test Complete Factory Calibration Required ATTENTION MORE Self Test Complete Data Acquisition FAILURE MORE Self Test Complete Configuration Value Required 78 CL 6 Series Control Installation Oper
42. be supplied to either or both discrete inputs 1 and 2 pins 10 and 11 respectively Discrete inputs 1 and 2 have been configured as voltage reduction inputs 1 and 2 by default The user may modify this configuration see the Advanced Control Features Programmable Input and Output section of this manual If the user supplies dry contacts the voltage should be obtained from Pin 14 of the discrete port This whet ting voltage is only available when the control switch is in the Auto Remote position If the user supplies whet contacts the connections should be as shown in Figure 6 13 Analog Remote Latching Mode This feature is set at FC 70 Up to three independent values of voltage reduction VR are possible Levels 1 2 and 3 are programmed at FC 73 FC 74 and FC 75 respectively VR 1 activates the VR programmed at FC 73 VR input 2 activates the VR programmed at FC 74 and latching both contacts activates the VR programmed at FC 75 Each of these function codes may be set from 0 1 to 10 096 90 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Analog Remote Pulse Mode This feature is set at FC 70 The same contacts are used for this mode as shown in Figures 6 13 and 6 14 but the contacts are pulsed momentarily closed rather than latched closed Each closure and waiting period between closures is expected to be at least 0 25 seconds in duration The numbe
43. demand time interval at FC 46 e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 37 Metering Reverse Demand 037 Reverse Source 0 NA 1 NA NA NA Voltage High XXX X Volts Date Time shown This is the highest value of the primary input voltage of the regulator during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 Date and time of the occurrence of the highest source voltage is displayed 37 Metering Reverse Demand 037 Reverse Source 0 NA 1 NA NA NA Voltage Low XXX X Volts Date Time shown This is the lowest value of the primary input voltage of the regulator during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 Date and time of the occurrence of the lowest source voltage is displayed 37 Metering Reverse Demand 037 Reverse Source 0 NA NA NA NA NA Voltage Present XXX X Volts This is the present value of the primary input voltage of the regulator during reverse power flow as a demand value according to the demand time interval at FC 46 CL 6 Series Control Installation Operation and Maintenance Instru
44. during reverse power flow since last reset Note This parameter is associated with the minimum kVA demand therefore it cannot be reset independent of that parameter The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 34 Metering Reverse Demand 034 Reverse 0 NA 1 NA NA NA kVA Load High XXXX X kVA Date Time shown This is the highest value of the load kVA during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 Date and time of the occurrence of the highest kVA load is displayed The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 34v 034 Reverse 0 kVA Load Low XXXX X kVA Date Time shown Metering Reverse Demand NA 1 NA NA NA This is the lowest value of the load kVA during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 Date and time of the occurrence the lowest kVA load is displayed The control requires source voltage from a differential or source potential transformer or from the source volt
45. each lead on the isolation transformer with respect to ground G Check this before connecting the leads to the control panel See Figure 1 5 The control panel assembly is grounded through the tank or a separate grounding strap Earth ground of the isolation transformer is not connected to the control Only source of earth ground reference on secondary of Isolation transformer is through Control Box connection to ground Option 2 Control Box assembly floating typical shop or lab application when control is mounted on ungrounded regulator tank or setting on workbench Since the control is configured for 120 Vac a 2 1 Isolation transformer must be used to step and isolate the supply voltage This isolation transformer must isolate both the neutral and line on the secondary side Also the neutral and ground on the secondary side should not be bonded or connected To check isolation from earth ground check the continuity of each lead on the isolation transformer with respect to ground G Check this before connecting the leads to the control panel See Figure 1 6 In this case the ground of the isolation transformers is connected to the green terminal post on the CL6 series control In this configuration the only source of earth ground reference on the secondary side of the isolation transformer is through the control box connection to the isolation transformer ground CL 6 Series Control Installation Operation and Maintenance
46. in the control box Note Use only 125 V 6 amp fast blow fuses of the proper current rating Failure to do so may cause unnecessary fuse operation or insufficient protection of the regulator and control If the fuse has blown the tap changer motor will not run If the 6 A fuse is okay set the front panel POWER switch to Internal Power and check the following 1 With a voltmeter check TBz2 Vg to G The voltage should approximate the set voltage If the voltage is present at TB2 Vs then the problem is in the control Replace the control 2 Check the voltage disconnect knife switch V4 if present and the current shorting knife switch C of the back panel in the control enclosure Close the V4 and Vg voltage switches if open Open the CT short ing switch if closed 3 Check the voltage at V4 to G If the voltage is present at V4 to G then the problem could be in the wiring harness or ratio correcting transformer Check for loose connections or burnt wiring Verify that the ratio correcting transformer RCT is on the correct tap for the regulated voltage as shown on the name plate on the control enclosure door 4 If voltage is not present then the problem is either in the control cable junction box connection or inside of the regulator Self Diagnostics The control hardware performs self diagnostic physical and memory checks There are two events which force the control into the self diagnostic routines 1 Pow
47. is recommended for installation where reverse power flow may occur but a source voltage is not available METERING Figure 6 4 A threshold level of 1 002 A of the full load CT secondary current 200 A is used in setting the power direction The metering will be forward until the current exceeds the 1 threshold in the reverse direction At this time the various parameters use the reverse settings and the Reverse Power indicator turns on The control continues metering in reverse until the current exceeds the 1 threshold in the forward direc tion and then the parameter scaling reverts back to nor mal and the Reverse Power indicator turns off Normal Forward Metering Rev Pwr Off Normal Metering Forward Scaling Rev Pwr On 1 O 1 Current Level Figure 6 4 Reverse idle metering OPERATION Figure 6 5 The threshold for which the control switches operation is programmable at FC 57 over the range 1 to 5 of the rated CT current When the real component of the current is above this threshold the control operates in the normal forward direction When current falls below this threshold all tap changing is inhibited The control idles on the last tap position held before the threshold was crossed The operational timer time delay is reset on any excursion below this threshold and the band edge indicators turn off Tap changing is inhibited when real component of current is at or below the op
48. method to determine the neutral condi tion 20 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Return the Regulator to Neutral B Remove the motor fuse C Place the control POWER switch in the Off position WARNING Explosion Hazard Always use the CONTROL FUNCTION switch labeled Auto D Open V1 knife switch and V6 if present located Remote Off Manual and Raise or Lower to operate on the control back panel the regulator not the power switch Failure to comply can result in the tap changer stepping off of neutral Removal of Control immediately upon being energized causing personal The control may be removed from the regulator with the injury and equipment damage is regulator energized Record settings etc to facilitate replacement of the control To open the control unscrew the captive knob on the left side of the panel This allows the control to swing open on its hinges With the control open the back panel is 1 Use the Raise Lower switch to bring the regulator to the neutral position 2 When in neutral the Neutral Light will be readily accessible The design of the control enclosure continuously lit on the control front panel and the back panel and control enables easy replacement of the position indicator will point to zero control leaving the back panel control enclosure and cable intact To remove the control proceed as fo
49. output voltage of the regulator since last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the lowest load voltage is displayed 204 Metering Forward Demand 020 Forward Load 0 NA NA NA NA NA Voltage Present XXX X Volts e This is the present reading of secondary output voltage of the regulator as a demand value according to the demand time interval at FC 46 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 45 TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 21 Metering Forward Demand 021 Fwd Compensated 0 NA 1 NA NA NA Voltage High XXX X Volts Date Time shown e This is the highest value of the calculated secondary voltage at the center of regulation since the last reset as a demand value according to the demand time interval at FC 46 e The forward line drop compensation settings for resistance and reactance FC 4 and FC 5 are used in this calculation e Date and time of the occurrence of the highest compensated voltage is displayed 21 Metering Forward Demand 021 Fwd Compensated 0 NA 1 NA NA NA Voltage Low XXX X Volts e This is the lowest value
50. p Ti GE ay pa bet HY T indt m p me D elo Tar Position At Limit S FT BHDD RHMP 12 P I ADD AMP 16 Figure 1 3 Main Menu Forward Direction and Metering PLUS Tap Position screens Utilizing a 3 level nested menu structure items are structured in levels one and two and parameters are in level three The main menu is the default display refer to Table 5 2 for the complete nested menu When a menu is displayed the current menu item is indicated by a cur sor on the display screen Parameter values appear on the LCD right justified with a decimal point shown as necessary Note Only four line items appear on the display at one time Moving the cursor down from the fourth line will shift the line items up one item at a time The LCD display panel contrast is adjustable Press and hold the Function key then press the scroll up arrow key to increase or the scroll down arrow key to decrease contrast Keypad The front panel interface for the CL6 control uses a 16 key touchpad laid out in a diamond pattern Refer to Figure 1 4 The keypad allows for three modes of inter face with the three levels of nested menu structure numeric keys short cut keys and scroll keys Numeric Keys To use the keypad as a numeric keypad to enter function codes FC or parameter values press the Function or Edit Reset keys When the numeric keying is complete press Enter Use function codes to quickly prog
51. regulator manual as indicated on the regulator nameplate for specific information on the regulator installation see Figure 3 3 Refer to Tables 2 1 and 2 2 for control specifications and metering accu racy When energizing the control from an external source use only a 120 Vac source unless the control was configured for 240 Vac as indicated by a decal adjacent to the terminals TABLE 2 1 Control Specifications Description Specifications Physical Size Height 417 mm 16 4 Width 234 mm 9 2 Depth 81 mm 3 2 Weight 3 8 kg 8 4 1 5 Burden Q 120 V 4 VA Operating Temperature Range 40 C to 85 C Control System Accuracy 1 TABLE 2 2 Metering Accuracy Load Voltage and Differential Source Voltage 80 137 Vac 45 65 Hz with error not to exceed 0 5 t of the reading under all conditions The control will withstand up to 137 V without damage loss of calibration Current Input 0 0 400 A ac 45 65 Hz with error not to exceed 0 696 0 0012 A of the nominal full load current 0 200 A under all conditions The control will withstand the short circuit rating of the regulator without damage or loss of calibration Calculated Values kVA kW kvar 0 9999 with error not to exceed 1 under all condi tions Harmonic Analysis Current and Voltage Harmonics 2nd 15th harmonic frequencies and THD with error not to exceed 5 under all conditions Basic accuracy of the device excluding PT and
52. secondary output voltage of the regulator during reverse power flow as a demand value according to the demand time interval at FC 46 e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 49 TABLE 5 3 cont Function Codes Key Entry Func Level 1 Level 2 Level 3 Security Level Factory Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting L w High 31 Metering Reverse Demand 031 Rev Compensated 0 NA 1 Voltage High XXX X Volts Date Time shown e This is the highest value of the calculated secondary voltage at the center of regulation during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 e The reverse line drop compensation settings for resistance and reactance FC 54 and FC 55 are used in this calculation e Date and time of the occurrence of the highest compensated is displayed e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displayin
53. the band indicators are not working when the voltage is out of band check the following 1 Check FC 56 Reverse Sensing Mode If FC 56 is set to Lock Forward and there is reverse power the indicator will not display and the voltage will not regulate 2 Check 57 Reverse Current Sense Threshold and Load Current Metering PLUS If the load cur rent is less then the reverse threshold current the indicators will not work and the regulator will not regulate the regulator has been serviced and the current transformer circuit was involved check the polarity of the current transformer If the polarity is reversed the band indicators will not display Metering Troubleshooting Load Voltage Secondary Output Voltage Does Not Match the Voltmeter Test Terminal Voltage When the output voltage at FC 6 is several volts different from the voltage at the voltmeter test terminals verify that the following function code settings are per the nameplate 1 Verify FC 43 System Line Voltage Load Voltage is set per the nameplate value 2 Verify FC 44 Overall PT Ratio is set per the nameplate 3 Verify RCT Control Tap located on the back panel of the control assembly is set per the nameplate 4 Verify Control Winding E Tap and Differential Transformer P Taps if present are set per the nameplate E taps are located on the terminal board on the tap changer inside the tank P taps may be located on the terminal board o
54. the secondary side of the isolation transformer is through the control box connection to the isolation transformer ground CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 13 CL6 Panel 1 1 Isolation Transformer Neutral connected to rouna at panel to shunt V to LV faults leakage to Earth Ground Can t be 120 V External removed Source Core may or may Earth Ground not To assure Isolation from Earth not be tied to carried to panel Ground check continuity of each Earth of the leads of the isolation transformer to G before connecting leads to control panel Figure 1 7 120 Vac Application with Cooper 120 V Control Option 1 CL6 Panel 1 1 Isolation Transformer Neutral connected to ground at panel to shunt V to LV faults leakage to Earth Ground Can t be 120 V External removed Source Core may or may To assure isolation from Earth not be tied to Ground check continuity of each Earth of the leads of the isolation transformer to G before connecting leads to control panel Figure 1 8 120 Vac Application with Cooper 120 V Control Option 2 Upper Panel Black Display The display is a back lit LCD that will display information in four lines of twenty characters and in four different languages English French Portuguese and Spanish See Figure 1 3 7 cH ctr Lu iE 5
55. threshold FC 57 in the negative direction The control also operates in the forward direction if the magnitude of the real component of the current exceeds the operatordefined threshold FC 57 in the positive direction while the magnitude of the reactive component of the current is between the operatordefined thresholds FC 57 The control operates in the reverse direction using the reverse settings at FC 51 FC 52 FC 53 FC 54 and FC 55 whenever the magnitude of the reactive component of the current exceeds the operator defined threshold FC 57 in the positive direction The control also operates in the reverse direction if the magnitude of the real component of the current exceeds the operator defined threshold FC 57 in the negative direction while the magnitude of the reactive component of the current is between the operatordefined thresholds FC 57 Tap changing inhibited when total current is within operating thresholds NI Yj 2 OT 0 OT Real Current 96 of C T Primary Reverse Operation NE Forward Operation OT Operating Threshold 57 1 5 lt Reactive Current SS Figure 6 12 Reactive bi directional mode operation Voltage Limiter The voltage limiter feature is used to place high and low limits on the output voltage of the regulator Voltage Limiter is equipped with both standard and Integrated Volt Var Control IVVC modes of operation the IVVC
56. work See Figure 5 3 e During reverse power operation the control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter d isplaying dashes 171 Metering Instantaneous 017 Line Frequency 0 NA NA NA NA NA XX XX Hz e This is the frequency of the power line as measured by the control e The control is capable of operating on systems from 45 to 65 Hz with no loss of accuracy in its measurements 18 Metering Instantaneous 018 Voltage THD 0 NA NA NA NA NA The total harmonic distortion THD is displayed after entering FC 18 The total harmonic distortion is computed as the RSS square root of the sum of the squares of the individual harmonic values This is displayed as a percentage of the fundamental RMS voltage Example 120 0 V of 60 Hz fundamental power line frequency with a reading of 0 5 at the 7th harmonic 420 Hz is 0 6 V RMS CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting low High 18W Meter
57. 0 1177 84 1 1 8600 E3 P3 72 9 1 120 118 72 9 1 23000 E4 P4 183 4 1 127 118 5 194 1 1 22000 E4 P4 183 4 1 120 120 183 4 1 20000 E1 P4 183 4 110 119 168 1 1 22000 19100 E4 P4 183 4 04 120 2 158 9 1 15000 2 2 122 3 1 120 122 6 122 3 1 12700 2 122 3 1 104 119 8 106 1 11000 E3 P3 91 7 1 120 120 91 7 1 10000 F3 P3 91 7 1 110 9 84 1 1 34500 E4 P4 275 1 127 118 5 291 1 33000 E4 P4 275 1 120 120 275 1 30000 E4 P4 275 1 110 9 252 1 1 33000 22000 2 2 183 3 1 20 120 183 3 1 20000 2 2 183 3 110 9 168 1 11600 E3 P3 91 7 1 127 119 5 97 1 11000 E3 P3 91 7 1 120 120 91 7 1 10000 E3 P3 91 7 1 110 19 84 1 1 Regulator Nominal Test Overall Voltage Single Ratio Adjusting Data Terminal Potential Rating Phase Internal PT RCT Voltage Ratio Voltage Tap Ratio Tap vx 1 2 3 4 5 6 7 2500 20 1 120 25 20 1 208 2400 20 1 120 20 201 5000 E4 P4 40 1 120 25 40 1 5000 4800 E4 P1 40 1 20 20 40 1 4160 E4 P1 40 1 104 20 34 7 1 2400 2 2 20 1 120 20 20 1 8000 E4 P1 60 1 133 120 5 66 5 1 7970 E4 P1 60 1 133 20 66 5 1 7620 E4 P1 60 1 127 20 63 5 1 7200 E4 P4 60 1 120 20 60 1 7620 6930 E4 P1 60 1 115 120 5 575 1 4800 2 2 40 1 120 20 40 1 4160 2 2 40 1 104 20 34 7 1 2400 20 1 120 20 20 1 13800 E4 P1 115 1 20 20 115 1 13200 E4 P1 115 1 115 20 110 2 1 12470 E4 P1 115 1 104 25 99 7 1 13800 12000 E4 P1 1 5 1 104 25 99 7 1 7970 2 2 575 1 33 25 63 7
58. 0 Vac source or other ac voltage as indicated by a decal and should not be a direct current to alternating current DC to AC inverter Operation of the momentary toggle Raise Lower switch applies power through the position indicator limit switch contacts directly to the tap changer motor As the tap changer motor cam rotates the holding switch is closed as described above in the Automatic Operation section This holding switch current is sensed by the circuit board and the operations counter and tap position indi cator are appropriately updated Tap change operation will continue as long as the Raise Lower switch is held in either the raise or lower position and the ADD AMP limit switch is not activated to open the circuit Self Diagnostics There are three events which trigger the self diagnostic routines the initial control powerup operator entry of self test mode using FC 91 or detection of a firmware problem Refer to the Troubleshooting section of this manual for more information on control self diagnostics CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 29 Security System The security password system implemented on the control is structured into four levels This permits selec tive access to the various parameters as dictated by the active security level Most function codes may be read accessed at level 0 the base unsecured level The sec
59. 1 to FC 106 Options include Enabled e Disabled 112 Metering Instantaneous 112 Percent 0 NA NA NA NA NA Regulation XX X When the regulator output voltage is greater than the input voltage regulator boosting voltage is lower than the input voltage the sign is implied This is the actual percentage that the regulator is actively boosting raising or bucking the sign Tap position indication is calculated as follows 96 regulation output input 1 x 100 During reverse power operation the control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes owering the input source voltage is implied When the output 125 Metering Instantaneous 125 Energy kW hour Forward XXXX X kW h 0 NA 1 See Note NA NA This is the total forward energy measured in kilowatt hours Note This is reset to zero by pressing Edit Reset then Enter and when the Date Time is changed 64 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes age will result in the paramete
60. 13 Upper Panel 15 Display oe AI 15 Keypad PRESUMED 15 Indicators rm nee RR t 17 17 Status IridicatorS iia oe Ra 17 Flash Ports cette ace tea dett 17 SECTION 2 CONTROL INSTALLATION Mounting the 18 Placing the Control into Service 18 Setting the Control for Service 18 Operational 19 Pre Installation Check 19 In Service CHECK s aad tea end 19 Control Bench 19 Field Calibration Check 20 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Removal from 20 Determining Neutral Position 20 Return the Regulator to Neutral 21 Removal of 21 Replacement of Control 22 SECTION 3 INITIAL CONTROL PROGRAMMING Basic Programming tuse eae Rs 23 Programming and Reconfiguring for Different Voltage Systems loa dye mex v xa 25 Allowable System Voltages and Calculation of Overall PY Rat Ons dede reete RECO e EROR TR one 26 Determination of Leading or Lagging in Delta Connected 28
61. 225 11 1 July 2013 www cooperpower com Function Menu Refer to Table 5 2 for the three levels of the nested menu structure Main Menu Sub Menu and Parameter TABLE 5 2 Function Menu Level 1 Main Menu Level 2 Sub Menu Parameter Code Settings Forward Direction Forward Set Voltage 001 Forward Bandwidth 002 Forward Time Delay 003 Forward Line Drop Comp Resistance 004 Forward Line Drop Comp Reactance 005 Reverse Direction Reverse Set Voltage 051 Reverse Bandwidth 052 Reverse Time Delay 053 Reverse Line Drop Comp Resistance 054 Reverse Line Drop Comp Reactance 055 Configuration Regulator Identification 040 Regulator Type 140 Tap Changer Type 049 Regulator Configuration 041 Control Operating Mode 042 System Line Voltage 043 Overall P T Ratio 044 C T Primary Rating 045 Demand Time Interval 046 P I ADD AMP High Limit 144 P I ADD AMP Low Limit 145 Vin Configuration 146 Calendar Clock System Calendar and Clock 050 _Menu System Language Selection 144 Date Format 142 Time Format 143 Features Auto Block Status Auto Operation Blocking Status 069 Reverse Power Mode Reverse Sensing Mode 056 Reverse Current Sense Threshold 057 Source Side Voltage Calculation Source Voltage Calculation 039 Voltage Limiter Voltage Limiter Mode 080 High Voltage Limit 081 Low Voltage Limit 082 Voltage Reduction Voltage Reduction Mode 070 Reduction in Effect 071 Local Digital Reduction Value 072 Remote 1 V
62. 22v Metering Forward Demand 022 Forward Load 0 NA NA NA NA NA Current Present XXX X A This is the present reading of the load current as a demand value according to the demand time interval at FC 46 46 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes X XX Date Time shown Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 23 Metering Forward 023 Power Factor at 0 NA NA NA NA NA Demand Max Forward kVA This is the instantan Date and time of the occurrence of the h Note This paramet eous power factor er is associated with the load at the first time when the maximum kVA demand occurred since last reset ighest maximum kVA demand is displayed the maximum kVA demand therefore it cannot be reset independent of that parameter 23 Metering Forward Demand 023 Power Factor at Min Forward kVA X XX Date Time shown 0 NA NA NA NA NA This is the instantan Note This paramet eous power factor o er is associated with the load at the first time when the minimum kVA demand occurred since last reset Date and time of the occurrence of the lowest minimum kVA demand is displayed th
63. 480 540 640 667 483 531 580 652 668 833 604 664 68 668 668 72 50 55 60 68 80 144 100 110 20 135 60 288 200 220 240 270 320 333 231 254 277 312 370 416 289 318 347 390 462 14400 432 300 330 360 405 480 500 347 382 416 468 555 576 400 440 480 540 640 667 463 509 556 625 668 720 500 550 600 668 668 833 578 636 668 668 668 100 50 2 55 60 68 80 200 100 4 110 120 135 160 333 167 184 200 225 267 19920 400 200 8 220 240 270 320 500 250 275 300 338 400 667 335 369 402 452 536 833 418 460 502 564 668 1000 502 552 602 668 668 tLoad Current Ratings A Regulation Range Wye and Open Delta 10 8 75 7 5 6 25 5 Regulation Range Closed Delta Rated Rated 15 13 1 11 3 9 4 Volts kVA 7 5 172 5 50 55 60 68 80 345 100 110 120 135 160 150 165 180 203 240 690 200 220 240 270 320 155 65 C rise rating on VR 32 regulators gives an additional 1296 increase in capacity if the tap changer s maximum current rating has not been exceeded For loading in excess of the above values please refer to your Cooper Power Systems representative Regulators are capable of carrying current corresponding to rated kVA when operated at 7200 V TABLE 10 4 ADD AMP Capabilities of 50 Hz Ratings tLoad Current Ratings Regulation Range Wye an
64. 4x 63 5 64 79 84 10 RATED LOAD pups 122 122 120 110 100 e O ood Power Systems O 220 246 100 112 vars 2 2000 WAN22B2006AN ser 0737 XXXXXX SINGLE PHASE STEP VOLTAGE REGULATOR VR 32 55 65 C RISE SOHZ CLASS ONAN TYPE B 109 32 2 STEPS MFG DATE 06 sHunt CU series ALL 8 150 100 0 2 TAP CHANGER QDS stock UNTANKING 699 TOTAL 1384 LITERS 490 WEIGHT KGS WEIGHT KGS _ TH ig SONTROL NTERNAL R GT TEST OVERAL IN P T TERMINAL SOURCE use VOUS Cw CONIROL VOLTAGE RAT wr 7 ERE 23000 Ei 183 3 1 120 125 5 183 3 1 TRANGFORMES 22000 E 183 31 120 120 183 3 1 REVERSING 20000 E1 183 3 1 110 119 168 1 1 SWITCH 19100 183 3 1 104 120 159 2 1 SERIES ane CONTROL 15000 E2 120 1225 122 31 EQUALIZER 12700 E2 122 3 1 104 120 106 1 WINDING 11000 Es 91 7 1 120 120 91 7 1 10000 Es 91 7 1 110 119 84 1 70 TAPS LOCATED UNDER OIL ON TAP CHANGER TERMINAL BOARD m POLARITY MARKER JUNCTION BOX 626XXX REV 00 ON COVER FILLED WITH ANSI TYPE Il MINERAL OIL THAT CONTAINED LESS THAN 1 PPM PCB MADE IN WAUKESHA AT TIME OF MANUFACTURE WISCONSIN U S A o WA
65. A NA Issue Test The user can force the PMT Mode A operation independent of the time delay setting This is a command When the Enter key is pressed the CONFIRM message is displayed on the fourth line of the LCD When the Enter key is pressed again the test sequence begins 320 Diagnostics The Preventive Maintenan contact blades The PMT aintenance 320 PMT Mode B State Off NA NA Off NA ce Tapping PMT feature Mode B will automatically raise and lower the tap changer to wipe reversing feature Mode B is turned off or on here The options include NA Diagnostics Designation Off Off On 321 Diagnostics aintenance 321 PMT Mode B 0 NA NA NA NA NA Countdown Delay XX Days e This is the time remaining until the next PMT Mode B operation 322 Diagnostics Maintenance 322 PMT Mode B 0 2 NA 7 1 99 Time Delay 7 Days e This is the user defined period of time between PMT Mode B operations 323 Diagnostics Maintenance 323 PMT Mode B 0 2 NA 22 00 00 00 23 59 Start Time 22 00 e When the PMT feature Mode B is turned on FC 320 operation is enabled only within a specified time period The starting time is set here 324 Diagnostics Maintenance 324 PMT Mode B 0 2 NA 02 00 00 00 23 59 Stop Time 02 00 The PMT Mode B operation is disabled after the stopping time set here 325 Diagnostics Maint
66. AMP 14 16 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 81 SECTION 6 CONTROL FEATURES Calendar Clock Integral to several functions of the control is an internal calendar clock The digital clock maintains the year month day hour minute and seconds within 1 second The display format is userselectable see FC 142 and FC 143 The control time is synchronized to the system frequency when powered by ac When ac power is lost the clock maintains time for a minimum of 72 hours by using a crystal oscillator and a capacitor as the power source Twenty minutes on ac power is required to fully charge the capacitor The LCD displays the current date and time at the end of the self test when the front panel is turned on However upon powerup after extended loss of power the control clock time and date will default to midnight January 1 1970 The date and time can be read and set at FC 50 When setting all of the digits must be entered using the standard 24 hour format MM DD YYYY hh mm If an error is made while entering the values backspace using either arrow scroll key Daylight Savings Time is available starting with the CL 6B control The factory default is for daylight savings time to be off Daylight savings time can be turned on using FC 151 Metering The control has extensive metering capabilities which are categorized as Instantaneous Forw
67. C au JBB R BLU JBB L GRN BLK TCB2 E3 TCB2 E2 WHT TCB2 E1 WHT TCB2 G WHT aay oat JBB HS ORN NL NO ORG SqE4 E2 Fy NL C WHT JBB NL RED BLK TRANSFORMER M T1 WHT CONTROL WINDING TCB2 6 WHT LOWER HOLDING RAISE HOLDING SWITCH LHS SWITCH RHS TCB1 2 BLU TCB1 4 RED TCB1 5 BLU TC81 6 RED LOWER SAFETY SWITCH LSS NEUTRAL LIGHT TCB1 8 ORG SWITCH NL TCB1 9 WHT Figure 10 5 Typical internal wiring for a regulator with 008 Quik Drive tap changer CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com This page intentionally left blank CL 6 Series Control Installation Operation and Maintenance Instructions 225 11 1 July 2013 www cooperpower com 121 CURRENT TRANSFORMER TOROIDAL COIL SOURCE f LOAD BUSHING TYYYY V V Opustine TAPPED SERIES WINDING 2 MBB C1 CT EROTECTION 4 v W 02 SD1 GROUND LOCATED BACK PANEL Ib 2 AE AED ON 77 TERMINAL BLOCK REMOVABLE TB1 c2 TB1 C1 JUMPER a TB1 C4 DF Differential Voltage Fuse ACCESSORIES DHR Drag Hand Reset EST External Source Terminals DIFFERENTIAL HSL Holding Switch Lower POTENTIAL HSR Holding Switch Raise TRANSFORMER IRS Indicator
68. C5791 2011 Standard IEEE Std C57131 2012 Standard EN 50081 2 EN 61000 4 IEC 60068 2 IEC 60214 1 IEC 610255 5 Quality Standards ISO 9001 Certified Quality Management System Description The reliable CL6 control from Eaton s Cooper Power Systems incorporates the latest in digital technology to provide accurate rapid and dependable control of a step voltage regulator Utilizing surface mount technology and low power electronics the CL6 control is CE Commonwealth Europe compliant The nameplate located on the control box defines the power circuit The CL 6 control allows keypad programming Metering PLUS status inquiries flashcard uploading and downloading and multiple communication ports with user selectable DNP3 or 2179 protocol LED indicators provide instant information on alarm communications and regulation condition status A fourline display provides more detailed information and further simplifies programming In addition the CL6 control is highly configurable and ready for use in applications where either digital or analog supervisory control and data acquisition SCADA is required 6 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 4 X 20 Character Liquid Crystal Display CL 6B Regulator Contro voitage Limiter High GB High 6 GB osos Umer Low GB noo Tap Blocked e Reverse Power Alarm Ind
69. CF card is properly seated the Flash Card Active LED will blink If a CF card is not inserted and one of the CF functions is accessed an error message will appear on the display Flash Card Functions Data Writer FC 350 The Data Writer saves all of the data within the control metering data settings configuration etc in a file with the format regulator ID reading DAT EXAMPLE 12345 001 DAT After inserting a CF card access FC 350 Press Enter The control LCD will display CONFIRM Press Enter again to confirm The Flash Card Active LED will illu minate the LCD will display WRITING and the con trol will write the data to a file on the CF card Upon completion the control will display WRITING COMPLETE The CF card may be removed after this message is displayed If the command is completed with errors a WRITING FAILED message is displayed on the fourth line of the LCD If the command is in progress and is aborted via the ESC key a WRITING ABORTED message is displayed on the fourth line of the LCD Save Standard Configuration FC 354 The Save Standard Configuration function saves all of the settings and configuration data to a file labeled STANDARD CFG EXAMPLE STANDARD CFG After inserting a CF card access FC 354 Press Enter The control LCD will display CONFIRM Press Enter again to confirm The Flash Card Active LED will illu minate the LCD will display SAVING and the control wi
70. DARD CFG After inserting a CF card access FC 352 Press Enter The control LCD will display CONFIRM Press Enter again to confirm The Flash Card Active LED will illu minate the LCD will display LOADING and the con trol will load the configuration data from the CF card Upon completion the control will display LOADING COMPLETE The CF card may be removed after this message is displayed If the command is completed with errors a LOADING FAILED message is displayed on the fourth line of the LCD If the command is in progress and is aborted via the ESC key a LOADING ABORTED message is displayed on the fourth line of the LCD 98 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Load Custom Configuration FC 351 The Load Custom Configuration function loads all of the settings and configuration data from the file labeled with the file format regulator ID reading EXAMPLE 12345 001 CFG After inserting a CF card access FC 351 Press Enter The control LCD will display CONFIRM Press Enter again to confirm The Flash Card Active LED will illu minate the LCD will display LOADING and the con trol will load the configuration data from the CF card Upon completion the control will display LOADING COMPLETE The CF card may be removed after this message 15 displayed If the command is completed with errors a LOADING FAILED message i
71. DC i Forward LDC 1 5 4 3 2 1 0 1 2 3 4 5 Percent of C T Rating Figure 6 11 Cogeneration mode operation CL 6 Series Control Installation Operation and Maintenance Instructions S225 11 1 July 2013 www cooperpower com 87 Reactive Bi directional Mode When FC 56 is set for Reactive Bi directional source volt age is required This mode is recommended for installations where reverse power flow may occur and the real component of the current is below the operatordefined threshold FC 57 except where the source of reverse power is a cogeneration facility or independent power producer METERING Figure 6 12 A threshold level of 1 0 002 A of the full load CT secondary current 0 200 A is used in setting the power direction The metering will be forward until the current exceeds the 1 threshold in the reverse direction At this time the various parameters use the reverse settings and the Reverse Power indicator turns on The control continues metering in reverse until the current exceeds the 1 threshold in the forward direc tion then the parameter scaling reverts back to the nor mal and Reverse Power indicator turns off OPERATION Figure 6 12 The control determines which settings forward reverse to use by sensing the real and reactive components of the current The control operates in the forward direction whenever the magnitude of the reactive component of the current exceeds the operator defined
72. Effective July 2013 Voltage Regulators Supersedes October 2012 S225 11 1 CL 6 Series Control Installation Operation and Maintenance Instructions Cooper Power Systems by E T N DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY The information recommendations descriptions and safety notations in this document are based on Eaton Corporation s Eaton experience and judgment and may not cover all contingencies If further information is required an Eaton sales office should be consulted Sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate Eaton selling policies or other contractual agreement between Eaton and the purchaser THERE ARE NO UNDERSTANDINGS AGREEMENTS WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES In no event will Eaton be responsible to the purchaser or user in contract in tort including negligence strict liability or other wise for any special indirect incidental or consequential damage or loss whatsoever including but not limited to damage or loss of use of equipment plant or power system cost of capital loss of power additional expenses in the u
73. FC 8 Instead they reflect the true value of line voltage Note The voltage measured at the test terminals during reverse power flow is the new source voltage at the load bushing of the regulator Removal from Service Refer to the appropriate regulator manual as indicated on the regulator nameplate for further information Determining Neutral Position DANGER Explosion Hazard During bypass switching the regulator must be in the neutral position Prior to bypass switching 1 The regulator must be placed in the neutral position 2 Tap changer operation must be disabled during the bypass switching If the regulator is in any other position part of the series winding will be shorted when the bypass switch is closed resulting in high circulating current Failure to comply will result in death or severe personal injury and equipment damage VR T205 0 WARNING Explosion Hazard Bypass a regulator with the line energized only if both the position indicator and the neutral light indicate neutral If both do not indicate neutral the line should be de energized to avoid shorting part of the series winding and resultant high circulating current Failure to comply can result in death or personal injury and equipment damage VR T206 0 Return the regulator to neutral Only a regulator in the neutral position can be safely removed from service with out interrupting load continuity It is recommended to use more than one
74. Instructions 5225 11 1 July 2013 www cooperpower com 11 CL6 Panel 2 1 Isolation Transformer Neutral connected to dons at panel to shunt V to LV faults leakage 120V External to Earth Ground Can t be Source removed Core may or may Earth Ground not To assure isolation from Earth not be tied to Earth carried to panel Ground check continuity of each of the leads of the isolation transformer to G before connecting leads to control panel Figure 1 5 240 Vac Application with Cooper 120 V Control Option 1 CL6 Panel 2 1 Isolation Transformer Neutral connected to ground at panel aults leakage to Earth Ground Cant be 120V External removed Source Core may or may To assure isolation from Earth not be tied to Earth Ground check continuity of each of the leads of the isolation transformer to G before connecting leads to control panel Figure 1 6 240 Vac Application with Cooper 120 V Control Option 2 120 Vac Applications to a Cooper 120 V Control Option 1 Control Box Assembly Panel connected to earth ground to provide protection to operations personnel typical field application where control is mounted on grounded regulator tank or dropped down pole with control box grounded properly Since the control is configured for 120 Vac a 1 1 Isolation transformer must be used to isolate the supply voltage This isolation transformer must
75. LATION WARNING Hazardous Voltage To protect per sonnel from surges while operating the control follow these control enclosure grounding procedures a If the enclosure is attached to the regulator tank or is remote from the tank but only accessible with a lad der connect the enclosure to the regulatorto ground rod conductor b If the enclosure is accessible by personnel standing on the ground connect the enclo sure directly to a ground mat and ground rod Failure to comply can result in severe personal injury or WARNING Hazardous Voltage The control box must be solidly earth grounded Failure to comply can cause severe personal injury and equipment damage CAUTION Equipment damage Only an ac power supply is to be used to energize the control externally Do not use a DC to AC voltage inverter Failure to comply can cause excessive harmonics to be generated and result in damage to the front panel VRT204 1 CAUTION Equipment damage Be mindful of polari ty when using an external source Polarity reversal will result in control damage VR T201 0 Mounting the Control The CL6 regulator control from Cooper Power Systems can be mounted on the regulator tank or at a point remote from the unit Rubbercovered cable is available for interconnection between the control and the regulator Refer to the Accessories section of this manual Placing the Control into Service Refer to the appropriate
76. NA Flash Standard Comms Config e This is a command to load a Standard Comms Configuration See Flash Card Functions in the Advanced Control Features section of this manual for more information 367 Features Compact 367 CF Save Custom NA 2 NA NA NA NA Flash Comms Config This is a command to save a Custom Comms Configuration e See Flash Card Functions in the Advanced Control Features section of this manual for more information 368 Features Compact 368 CF Save NA 2 NA NA NA NA Flash Standard Comms Config This is a command to load a Custom Basic Configuration See Flash Card Functions in the Advanced Control Features section of this manual for more information CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 73 TABLE 5 3 cont Function Codes XXXXX mSec Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit i Parameter ttin Code Main Menu Sub Menu aramete Read Edit Reset Setting Low High 400 Features Leader 400 LoopShare 0 2 NA off NA NA Follower Communication e This will turn On or Off LoopShare Communications The options include On Off 401 Features Leader 401 LoopShare Comms NA 2 NA NA NA NA Follower State This is the state of LoopShare Communica
77. Outputs PORT CONTROL Discrete Outputs General Purpose Output 1 4 UserDefined LED Tap changer control Raise Lower Tap to Neutral Voltage Reduction Input 1 and 2 PMT Mode B Slave Input Enable Histograms Profiler Events or Alarms User Forms 1 20 User Intermediate Equations 1 4 LoopShare Enabled Leader Follower Enabled Soft ADD AMP AltConfig Inputs MODULE STATUS CONTROL PROCESSOR PERCEIVED STATES Active Alarms Status Indicators Tapping Blocked Reverse Power etc Control Function Status Tap At Neutral No Input Volt Detected No Output Volt Detected PMT Status System Errors MODULE CONTROL STATES DECIDED UPON BY THE CONTROL CPU Features Enabled Events Alarms Histograms Profiler Supervisory Active Tap To Neutral Input Active Analog Voltage Reduction 1 Input Active Analog Voltage Reduction 2 Input Active PMT Mode B Slave Input Active Loop Share Enable Leader Follower Enable Loop Share Active Port 1 Tagged Port 2 Tagged Port 3 Tagged PORT STATUS Port 1 Physical Input states Drag Hand Reset On Neutral Position Blocking Relay Discrete Inputs General Purpose Inputs 1 4 Tap Raise Switch Active Tap Lower Switch Active Supervisory Switch On Power Switch is Internal Power Switch is External Control Function Switch Status Auto Manual Off Port 1 PMT Mode B Master Output Port 2 Command from communications port 2 Tap Raise Tap Lower Tap To Neutral Features Enabled Events Al
78. Power Turn POWER switch to Internal Power from the Off position B External Power Apply external source to EXTERNAL SOURCE binding post hot lead to black top binding post neutral lead to white bottom binding post ground to green ground binding post Turn POWER switch to External power from the Off position See the detailed instructions for applying power to the Figure 3 1 Ratio correcting transformers connections Re l2 Re 8 8 Figure 3 2 V1 V6 and C connections external source terminals in Section 1 of this manual Refer to Tables 3 1 and 3 2 for the steps to program the control panel for operation Refer to the Appendix for the Wiring Diagram Allowable System Voltages and Calculation of Overall PT Ratio If the system voltage is other than those listed on the nameplate it can be determined if there is sufficient ratio correction available from the control winding internal PT taps and the Ratio Correction Transformer RCT taps to allow the CL6 Series control and motor to function prop erly The general guideline is that the overall PT ratio is sufficient if the voltage delivered to the control for the nominal voltage conditions is in the range of 115 125 V To determine the voltage delivered to the control use the following procedure 1 Calculate the desired PT ratios Desired PT Ratio Desired system voltage 120 V 2 Choose the internal PT ratio on the nameplate closest t
79. RG JBB HS ORN nee ete TCB1 13 WHT NL NO TAP CHANGER NEUTRAL uot MOTOR M JBB NL RED BLK NL C WHT SWITCH NL oe WHT en TCB1 3 BLU BLK TC81 2 BLU TCB1 7 EE SM B U MHT TCB1 G WHT TC81 10 RED WHT RABE LOGIC SWITCH RLS RAISE HOLDING LEHER te SWITCH RHS TCB1 11 BLK us TCB1 4 BLU qois x s em TCB1 7 RED BLK EY T SN RSS DE TCB1 8 RED TCB1 10 RED WHT LOWER HOLDING TCB1 11 BLK LOWER M SWITCH LHS SWITCH LSS 1 5 TCB1 8 RED BLU RESISTOR RED BLU MR Figure 10 3 Typical internal wiring for a regulator with Quik Drive tap changer 118 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TAP CHANGER TERMINAL BOARD JBB S2 T F1 TCB2 BK JBB C1 WHT JBB C2 BLK TCBI G T S1 T E1 T E2 WHT WHT WHT TCB2 E3 WHT TCB2 E2 WHT TCB2 E1 WHT TCB2 G WHT S4E4 2 Fy TRANSFORMER CONTROL WINDING T TAP CHANGER MOTOR 1 13 TCB1 5 RED TCB1 2 BLU RAISE LOGIC TC81 6 WHT SWITCH US s TCB1 3 BLU BLK TCB1 9 BLU WHT TCB1 6 RED BLK TCB1 9 RED WHT LOWER LOGIC SWITCH LLS TCB1 3 BLU BLK X SAFETY TCB1 7 BLU WHT ome NEUTRAL LIGHT TCB1 12 ORG Ed SWITCH NL TC81 13 WHT TCB1 6 RED BLK gt LOWER SAFETY TCB1 9 RED WHT F
80. RIES PD Potential Opening Device PF Panel Fuse PS Power Switch RCT Ratio Correction Transformer MOM RLS Raise Limit Switch Position Indicator LOAD RLS Raise Logic Switch Tap Changer BUSHING RSS Raise Safety Switch SCP Short Circuit Protection SD Current Shorting Device TB Control Terminal Board TCB Tap Changer Terminal Board VM Motor Voltage VS Sensing Voltage VIT Voltage Test Terminal GROUND LOCATED TB3 G ON BACK PANEL 4L INTEGRATED ON ERMINAL BLOCk Figure 10 7 Wiring diagram for Type B VR 32 Regulator and CL 6 control with differential potential transformer and alternate back panel design 124 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com CL6 CIRCUIT NEUTRAL LAMP COUPLER V OUT SUPERVISORY AUTO TRIACS MOTOR LOAD SWITCH ENABLE CURRENT ES MIELE COUPLER COUPLER SENSE COUPLER LOWER SOURCE RAISE COUPLER V IN DIFF r INPUT EE COUPLER ms SN 9 0FF SUPERVISORY oMANUAL _ RAISE OFF Lower 6 AMP SCP DRA a he GRN O O EST VIT 777 J4 10 4 2 Jan J44 JAAT JAA8 04 5 J415 04 8 J4 9 J4 16 TB3 8 4 PEs 4 5 oTB amp G
81. RNING DO NOT BYPASS UNLESS ON NEUTRAL POSITION CONTROL SWITCH IS OFF FAILURE TO DO SO MAY CAUSE DAMAGE TO REGULATOR RESULTING IN PERSONAL INJURY OR DEATH READ INSTALLATION AND OPERATING INSTRUCTIONS S225 11 1 AND S225 10 10 LIMIT SWITCH SETTNGS ON POSITION INDICATOR REGULATION TIT LMTED 5 amp 4 79 84 10 RATED Loa pups 160 135 120 110 100 Figure 3 3 Nameplates 60 Hz regulator and 50 Hz regulator shown CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 27 Determination of Leading or Lagging in Delta Connected Regulators For a regulator to operate properly when connected phase to phase it is necessary for the control to be programmed with the correct regulator configuration in FC 41 It must be determined whether it is connected leading or lagging The control aids the operator in making this determination 1 Regulator must be installed 2 POWER switch must be set to Internal 3 V1 knife switch and V6 if present must be closed 4 Knife switch C must be open Current must be flow ing 5 CONTROL FUNCTION switch may be in any position Auto Remote Off Manual 6 For regulator 1 set FC 41 to Delta Lagging and record the Power Factor FC 13 7 For the same regulator set FC 41 to Delta Leading and record the Power Factor 8 Repeat steps 6 and
82. SECTION 4 CONTROL OPERATION Automatic Operation 29 Manual Operation 29 SelfsDIaghnostlcs 23 oe INS NET LR ERA 29 Security System 30 Basic Control 5 31 Set Voltage tone ese ted din ea aes 31 p REM aes 31 Time Delay 22 xe nl eet 31 Line Compensation Resistance and Reactance Settings reese sedan b pipe end 31 Regulator Configuration 31 Control Operating Modes 31 System Line Voltage 32 Potential Transformer 32 Current Transformer Primary Rating 32 Delta Connected Line to Line Connected HegulatOrsS qoe secet escis do 32 SECTION 5 CONTROL PROGRAMMING 33 Futiction Menu eoo et oes 35 Funetion Codes veo bg pe cr Re 41 Special 5 76 ISIS ton set Res t 76 EVentS ei s do 78 PowerUP Reset Conditions 78 Indication Messages 79 Metering PLUS Formats 80 Eoad GUrrents EE tc tust 80 SECTION 6 CONTROL FEATURES Calendar Clock es cte ttes 82 ID 82 Instantaneous Metering
83. Security Level Read Edit Reset Factory Setting Key Entry Limit Low High 5 Settings Forward 005 Fwd Line Drop 0 2 NA 0 0 96 0 96 0 Direction Comp Reactance 0 0 Volts The reactive line drop compensation value is used to model the reactive line drop voltage between the regulator and the center of regulation The control uses this parameter in conjunction with the regulator configuration FC 41 and the load current to calculate and reg ulate to the compensated voltage displayed at FC 8 during forward power flow 6 Metering Instantaneous 006 Load Voltage 0 Secondary XXX X Volts e This is the fundamental RMS voltage referred to the secondary which appears at the output load terminals of the regulator e Since ratio correction is performed by the firmware this parameter is scaled according to the inputs at FC 43 System Line Voltage and FC 44 Overall PT Ratio e During reverse power operation the control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes NA NA NA NA NA 7 Metering Instantaneous 007 Source Voltage 0 NA Secondary XXX X Volts NA NA NA NA This is the fundamental RMS voltage referred to the secondary which appears a
84. T Mode A is performed on a Quik Drive tap changer this entire operation will take approximately one second The user can monitor how much time is left prior to the maintenance tapping being performed at Countdown Delay FC 301 To sample how the PMT Mode A functions the user can use Issue Test FC 303 PMT Mode B When enabled the control monitors tap position and if it does not pass through neutral for a user defined period of time Time Delay FC 322 the control will automatically tap through and past neutral one position This operates and wipes the blades of the reversing switch It then returns the tap changer to the original tap position Due to the possible large fluctuation in voltage while maintenance is being performed there are more configuration points in PMT Mode B than in Mode A The user can determine the time of day that PMT Mode B is allowed so that maintenance can be performed at night To limit the amount of allowable voltage swing when performing maintenance the user can input the maximum deviation Also the user can input a current limit so that maintenance is only performed under light load conditions Additionally a master slave mode is available so multiple units can act at once to keep the supply balanced for three phase loads that are sensitive to imbalance The user can monitor how much time is left prior to the maintenance tapping being performed at Countdown Delay FC 321 To sample how the PMT Mode B f
85. T with a 400 A primary rating and a 396 reverse threshold value would yield a 12 A current threshold The third line displays the operating mode Locked Forward Locked Reverse Reverse ldle Bi directional Neutral Idle Cogeneration or Reactive Bi directional If automatic operation is blocked the fourth line displays the blocking condition If multiple blocking conditions exist the blocking condition with the highest precedence will be displayed Refer to Table 7 1 for the blocking con dition priority levels The condition illustrated in Example 1 indicates that automatic operation is inhibited due to an open condition that exists between terminals 4 and 5 of terminal block 8 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 95 TABLE 7 1 Blocking Condition Priority Levels Level 1 Automatic Blocking Condition LCD display text line 4 Highest 1 Control Function Switch is in Off or Manual position Blocked Cntrl Switch 2 Tap to Neutral enabled Blocked Tap To Neutr 3 Voltage applied to terminal 5 TB 8 Blocked TB8 4 amp 5 4 Blocked due to configuration setting found at FC 69 Blocked Func Code 69 5 Blocked due to reverse power flow mode Blocked Rev Pwr Mode EXAMPLE 1 Load Current 600 Fwd Current Threshold 12 Load Mode Bi directional Current Blocked TB8 4 amp 5 e Load Current 600 A Forward Power Flow Rev
86. Voltage Regulator Read This Manual First Read and understand the contents of this manual and follow all locally approved procedures and safety practices before installing or operating this equipment Read and understand the manual detailing the installation and operation of the regulator used with this control Additional Information These instructions cannot cover all details or variations in the equipment procedures or processes described nor provide directions for meeting every possible contin gency during installation operation or maintenance For additional information please contact your Eaton s Cooper Power Systems representative Acceptance and Initial Inspection This product is completely assembled tested and inspected at the factory It is carefully calibrated adjusted and in good condition when accepted by the carrier for shipment Upon receipt inspect the carton for signs of damage Unpack the control and inspect it thoroughly for damage incurred during shipment If damage is discovered file a claim with the carrier immediately Handling and Storage Be careful during handling and storage of equipment to minimize the possibility of damage Standards Eaton s Cooper Power System regulators are designed and tested in accordance with the following standards IEEE Std C3790 1 2012 Standard IEEE Std C3790 2 2004 Standard IEEE Std C5713 2008 Standard IEEE Std C5715 2009 Standard IEEE Std
87. a Priority of 25 will cause the Alarm LED to flash whenever the Supervisory Switch is in the Off position The Data Alarm type is activated based upon the condition of an analog numeric parameter being above or below a Threshold value The operations counters and metering values are available as Data Alarms The following is a list of some of the available Data Alarms Secondary Load Voltage High Secondary Load Voltage Low Secondary Source Voltage High Secondary Source Voltage Low Compensated Voltage High Compensated Voltage Low Primary Load Voltage High Primary Load Voltage Low Primary Source Voltage High Primary Source Voltage Low Buck Boost Voltage High Buck Boost Voltage Low Load Current High Load Current Low Power Factor Low Tap Position High Tap Position Low Total Operations Counter High Last 24 Hours Operations Count High EXAMPLE Configuring a Compensated Voltage Low Alarm with a Threshold of 115 V with a Priority of 75 will cause the Warning LED to flash whenever the compensated voltage is below 115 V Events An Event is a time stamped record of an Alarm condition The last fifty Events can be viewed via the display using the nested menu item _Events under Alarms Events The last 300 Events can be viewed via communica tions Events are stored in non volatile memory Profiling The Data Profiler records the current state of parameters chosen by the user at regular intervals into non volatile memory Th
88. a nominal 120 Vac to terminal BR Blocking Relay on This will inhibit automatic operation To remotely raise or lower the tap changer the appropriate set of contacts is momentarily closed A user provided interposing relay is recommended such that the raise and lower contact closure cannot occur simultaneously A 120 Vac voltage is required at R1 for raise or L1 for lower Whetting voltage can be obtained from terminal TB4 V9 Alternate Configuration The CL6 control panel typically operates with one set of configuration settings that are programmed or changed through the keypad or one of the available communications channels using ProView NXG software see Communications in the Control Accessories section of this manual for more information on ProView NXG software The Alternate Configuration mode allows for the 6 control to be programmed with an additional set of configuration settings that can then be activated at FC 450 The Alternate Configuration status can be monitored at FC 451 and will display either Active or Inactive When the Alternate Configuration mode is activated using FC 450 the set of alternate configuration settings will become active and will be used as the basis for the operation of the control The control parameters included in the set of Alternate Configuration settings are Forward Direction FC 1 through FC 5 Reverse Direction FC 51 through FC 55 Auto Block Status FC 69 Reverse Power Mode
89. age calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 51 TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 34V Metering Reverse Demand 034 Reverse 0 NA NA NA NA NA kVA Load Present XXXX X kVA This is the present value of the load kVA during reverse power flow as a demand value according to the demand time interval at FC 46 e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 35 Metering Reverse Demand 035 Reverse 0 NA 1 NA NA NA kW Load High XXXX X kW Date Time shown This is the highest value of the load kW during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the highest kW load is displayed The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of thi
90. aintenance Instructions 5225 11 1 July 2013 www cooperpower com 37 TABLE 5 2 cont Function Menu Level 1 Main Menu Level 2 Sub Menu Parameter Code _Security Access Security Override 092 Security Code Level 1 096 Security Code Level 2 097 Security Code Level 3 098 Counters Operations Counter Total Operations 000 Last Counter Change 100 Enable Interval Counters 107 Last 24 Hours Operations 101 Last 30 Days Operations 102 Current Month Operations 103 Last Month Operations 104 Current Year Operations 105 Last Year Operations 106 Metering Instantaneous Load Voltage Secondary 006 Source Voltage Secondary 007 Comp Voltage Secondary 008 Load Current Primary 009 Load Voltage Primary 010 Source Voltage Primary 011 Present Tap Position 012 Percent Regulation 112 Power Factor 013 kVA Load 014 kW Load 015 kvar Load 016 Line Frequency 017 Voltage THD 018 Voltage 2nd 15th Harmonic 018 Current THD 019 Current 2nd 15th Harmonic 019 Energy KW hour Forward 125 Energy kW hour Reverse 125 Energy kvar hour Forward 126 Energy kvar hour Reverse 126 Forward Demand Forward Load Voltage High 020 Forward Load Voltage Low 020 Forward Load Voltage Present 020 Fwd Compensated Voltage High 021 Fwd Compensated Voltage Low 021 Fwd Compensated Voltage Present 021 Forward Load Current High 022 Forward Load Current Low 022 Forward Load Current Present 022 38 CL 6 Se
91. al power or external power Select one method and follow the appropriate step A Internal Power Turn POWER switch to Internal from the Off posi tion B External Power Apply external source to EXTERNAL SOURCE binding posts hot lead to black top binding posts neutral lead to white bottom binding posts ground to green ground binding posts See detailed instructions for applying power to the external source terminals in Section 1 of this manual Turn POWER switch to External from the Off position Basic Programming Complete the steps in Table 3 1 on the next page to program the control for basic operation Continue with the steps in Table 3 2 to then program the control for additional features or control replacement For each item check each value and verify or change as appropriate Note After turning on the control and the LCD displays PASS press Escape for further keypad use Step by step instructions are included in Tables 3 1 and 3 2 The Instructions column lists keys to press i e Enter Edit 7 etc Also italicized instructions denote a choice or an entry Value denotes a desired value entered via the numeric keypads and following each Scroll is an italicized list of a ternatives that appear in the display within that function code Scroll through the list until the desired alternative is selected and then press Enter Perform a Demand Master Reset FC 38 after complet ing the initial control prog
92. alue 073 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 35 TABLE 5 2 cont Function Menu Level 1 Main Menu Level 2 Sub Menu Parameter Code Features cont Voltage Reduction cont Remote 2 Value 074 Remote 3 Value 075 of Pulse Reduction Steps 076 of Voltage Red Per Pulse Step 077 Tap to Neutral Tap to Neutral 170 Soft ADD AMP Soft ADD AMP Limits 079 Soft ADD AMP High Limits Soft ADD AMP Low Limits 176 Alternate Config Alternate Configuration 450 Alternate Configuration 451 Leader Follower LoopShare Communications 400 LoopShare Comms State 401 LoopShare Comms Port 402 LoopShare Comms Table Assignment 403 LoopShare Comms Tx Delay 404 LoopShare Comms Timeout 405 Leader Follower 410 Leader Follower State 411 Leader Follower Designation 413 Follower Devices Configured 414 Leader Follower Tap Wait Timer 415 Leader Follower Timeout 416 Leader Follower Retry Delay 417 Leader Follower Retries 418 Leader Follower Monitor 420 Communications Com Port 1 Protocol 0608 Com Port 1 Speed 0618 Com Port 1 Sync Time 0628 Com Port 1 DNP Master Adrs 0638 Com Port 1 DNP Remote Adrs1 0648 Com Port 1 DNP Remote Adrs2 0648 Com Port 1 2179 Remote Adrs 0648 Com Port 1 Handshake Mode 0658 Com Port 1 Tx Enable Delay 0668 Com Port 1 Tx Disable Delay 0678 Com Port 1 2179 Ordinal Map 266 Com Port 1 DNP Data Dict 267 Com Port
93. ap At Neutral e PMT Mode A in Progress e PMT Mode B in Progress Volt Limit On Reg Blocked Annunciator Voltage Reduct On Annunciator Alternate Profile Active Default Time Power Up Self Test Error Met Indeterminate Pwr Dir Met Rev Pwr Flow e LF Ldr Unable to Operate LF Ldr Inactive e LF Follower Not Ready LS Loss of Comms Motor Trouble Data Alarms Instantaneous Metering Quantities For most Instantaneous Metering quantities there are two data alarms available One that can be triggered for a HIGH threshold value and one that can be triggered for a LOW threshold value Secondary Load Voltage High Secondary Load Voltage Low Secondary Source Voltage High Secondary Source Voltage Low Compensated Voltage High Compensated Voltage Low Primary Load Voltage High Primary Load Voltage Low Primary Source Voltage High Primary Source Voltage Low Load Current High Load Current Low Power Factor Low only LOW threshold is available kVA High kVA Low kW High kW Low KVAR High e KVAR Low e Forward kWHr High e Forward kWHr Low e Reverse kWHr High Reverse kWHr Low Forward KVARHr High Forward KVARHr Low Reverse KVARHr High Reverse KVARHr Low Frequency High Frequency Low Load Voltage Total Harmonic Dist High only HIGH threshold is available Load Current Total Harmonic Dist Low only LOW threshold is available Counter Quant
94. ar as a demand value according to the demand time interval at FC 46 27 Metering Forward 027 Maximum Tap 0 NA 1 NA NA NA Demand Position XX Date Time shown This is the highest tap position that the regulator has reached since last reset The maximum position and associated date and time can be reset via the reset key or via master reset FC 38 This parameter is not reset by the drag hand reset switch Date and time of the occurrence of the maximum tap position is displayed 28 Metering Forward 028 Minimum Tap 0 NA 1 NA NA NA Demand Position XX Date Time shown This is the lowest tap position that the regulator has reached since last reset e The minimum position and associated date and time can be reset via the reset key or via master reset FC 38 This parameter is not reset by the drag hand reset switch Date and time of the occurrence of the minimum tap position is displayed 48 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting eem High 029 Metering Forward 029 Forward Source 0 NA 1 NA NA NA Demand Voltage High XXX X Volts Date Time shown This is the maximum source
95. ard Demand and Reverse Demand Instantaneous Metering Instantaneous metering values are refreshed once each second They may be accessed directly at FC 6 through FC 19 FC 125 and FC 126 See Table 5 3 in the Control Programming section of this manual for more informa tion on these function codes Demand Metering The control provides demand metering values for these parameters load voltage and for forward and reverse source voltage compensated voltage load current kVA load kW load and kvar load For each of these parameters the present value the high value since last reset and the low value since last reset are recorded as well as the earliest time and date that the high and low values occurred Additionally the power factor at kVA high demand and kVA low demand are recorded All of these values are stored in non volatile memory separately for forward and reverse power conditions See Table 5 3 in the Control Programming section of this manual for information on the function codes associ ated with demand metering FC 20 through FC 38 FC 127 and FC 128 Demand Task Operation The demand metering function is based upon a sliding window concept or moving integral The algorithm implemented simulates the response of thermal demand meter which will reach 90 of its final value after one demand interval in response to a step function input See Figure 6 1 The task works like this 1 For 3 minutes after a
96. arms Histograms Profiler Loop Share Leader Follower Digital Communications User Inputs 00 to 32 Port 3 Command from communications port 1 or 3 Tap Raise Tap Lower STATUS ALARMS All available Status Alarms DATA ALARMS All available Data Alarms PORT CONTROL Discrete Outputs General Purpose Output 1 4 UserDefined LED Tap changer control Raise Lower Tap to Neutral Voltage Reduction Input 1 and 2 PMT Mode B Slave Input Features Enabled Histograms Profiler Events Alarms Loop Share Leader Follower Soft ADD AMP AltConfig User Forms 1 20 User Intermediate Equations 1 4 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 1121 July 2013 www cooperpower com 101 Discrete Inputs and Outputs Auxiliary I O The CL6 control provides the user with four discrete inputs and four discrete outputs Form C contacts see Figures 7 6 and 7 7 The user can program the CL6 control to use the discrete input states as well as other internal logic conditions to determine the operation of the control Likewise the user can program the CL 6 control to toggle the discrete output states based on internal control logic Note f the CL6 control is being applied in a CRA application the user may configure discrete inputs 1 through 3 The fourth discrete input must be reserved for use by the control EXAMPLE A utility noticed that the control function switch and supervisory switch were bei
97. ating is available on the regulator nameplate EXAMPLE If a CT ratio 400 0 2 is indicated on the name plate then 400 must be entered at FC 45 Delta Connected Line to Line Connected Regulators When a regulator is connected line to line the phase angle of the line current is 30 degrees displaced from the voltage impressed across the regulator Setting the Regulator Configuration FC 41 correctly the correct relationship between the voltage and current is established Setting the regulator Configuration to the incorrect delta value lagging instead of leading or vice versa the phase angle will be in error 60 degrees Below are considerations concerning delta connected regulators e basic decision making of the control when line drop compensation is not used is not affected by the phase angle therefore operation will be correct even if FC 41 is set to either of the two incorrect values This is true for forward and reverse operation e f line drop compensation is used the scaling of the R and X values is controlled by FC 41 therefore it is important to correctly set FC 41 for the compensated voltage to be set correctly following metering parameters will be correct only if the Regulator Configuration is correctly set power factor kVA kW kvar demand kVA demand kW and demand kvar Note The kVA kW kvar demand kVA demand kW and demand kvar use the line to line voltage therefore they displa
98. ation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com If the Configuration Value Required message appears refer to Section 3 Initial Programming Perform basic programming steps and then initiate a self test Self Test Complete Clock Needs Setting ATTENTION MORE Self Test Complete Input Voltage Missing ATTENTION MORE Self Test Complete Output Voltage Missing FAILURE MORE Y Self Test Complete No Neutral Sync Signal ATTENTION LAST Indication Messages The fourth line of the LCD is used to provide messages associated with menu mode indications These indica tion messages can be defined with up to 20 characters Displayed during Power Up Reset Mode e PASS ATTENTION ATTENTION MORE ATTENTION LAST FAILURE FAILURE MORE FAILURE LAST Displayed when an invalid function code is entered e INVALID FUNCTION Displayed when an invalid security code is entered e INVALID SECURITY Displayed when a parameter cannot be read written or reset because the proper security code has not been entered IMPROPER SECURITY Displayed when edit reset mode 15 active e EDIT CONFIRM also displayed to prompt the user when issuing a command from the menu system i e PMT Mode A Issue Test Displayed when a value that has been entered is out of the valid range e
99. base during forward power flow Forward Direction 002 Forward 0 2 NA 2 0 140 6 0 Bandwidth 2 0 Volts 2 Setting 0 The bandwidth is defined as the total voltage range around the set voltage which the control will consider as a satisfied in band condition during forward power flow e Example A bandwidth of 3 0 V and a set voltage of 120 V will establish a low edge of 118 5 V and a high edge of 121 5 V 3 Settings Forward Direction 003 Forward 0 2 NA 45 5 180 Time Delay 45 Sec The time delay is the period of time that the control waits from when the voltage first goes out of band to when a tap change is initiated during forward power flow See FC 42 Control Operating Mode 4 Settings Forward Direction 001 Fwd Line Drop 0 2 NA 0 0 96 0 96 0 Comp Resistance 0 0 Volts The resistive line drop compensation value is used to model the resistive line voltage drop between the regulator and the center of regulation The control uses this parameter in conjunction with the regulator configuration FC 41 and the load current to calculate and reg ulate to the compensated voltage displayed at FC 8 during forward power flow CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 41 TABLE 5 3 cont Function Codes Level 2 Sub Menu Level 1 Main Menu Func Code Level 3 Parameter
100. by using a standard 9 pin RS 232 cable to the RS 232 DCE female 9 pin connec tor located on the front of the control The port settings are configured at FC 60 through FC 67 FC 266 and FC 267 When using ProView NXG software modifications are not normally needed to these settings The communication port Com2 is for use as a permanent communication connection to the control Connection is made by using an optional communication accessory card mounted on the back panel within the control enclosure such as the Fiber Optic RS 232 accessory The port settings are configured at FC 160 through FC 169 FC 268 and FC 269 The communication port Com3 is for use as a secondary permanent communication connection to the control The port shares its data source with the Com1 port and will be inactive if a local connection is made to the Com1 port Com2 and Com3 may be active simultaneously and can be communicating to two separate master stations The settings for this port are configured at FC 60 through 67 There are two logical DNP3 addresses for each port Normally the port s remote address 2 is used only by the ProView NXG software for configuration The port s remote address 1 is designed for interfacing with master stations It is possible to have two separate masters communicating to the device through a single communi cation port Depending upon the communication system into which the control is being implemented communication timing may
101. calibration checked traceable to the National Bureau of Standards Note The control firmware is designed to perform ratio correction Through the use of the ratio correcting transformer RCT located on the back panel the voltage brought to the control is usually corrected to the 120 V base voltage However there are some ratings in which this voltage is not fully corrected by the RCT Refer to the regulator nameplate for specific information for that regulator Table 3 3 gives a general indication of these voltages When mounting the CL 6 control into an existing enclosure the existing enclosure may not have RCT s installed In this case the voltage measured on the voltmeter terminals may not match the voltage read on the control Whatever voltage results from dividing the nominal system voltage FC 43 by the overall PT ratio FC 44 is considered by the control to be the nominal voltage Therefore when that voltage appears at the input of the control 120 V will be reported as the output volt age FC 6 whether the nominal is actually 120 V or not Likewise the compensated voltage FC 8 and input voltage FC 7 will be scaled accordingly If the regulator is equipped and programmed for reverse power operation the compensated voltage will be correct even during reverse power conditions The load voltage FC 10 source voltage FC 11 and calculated parameters such as the kVA kW and kvar are not scaled similarly to FC 6 and
102. condary Compensated Voltage Load kVA Load kW e Load kvar The histogram is also configured via communications The user sets a low and high limit for each parameter creating a range of acceptable values The control divides this range into 10 equal bins plus one Over and one Under bin for a total of twelve bins see Figure 7 8 EXAMPLE The user chooses a low limit of 118 V and a high limit of 122 V for the Compensated Voltage parameter The con trol creates bins as shown in Figure 7 8 The control then samples each of these parameters once per minute and increments the appropriate bin The maximum and minimum value of the sampled parameter is also stored with the histogram data note that these values may not be the same as the high and low value in the demand metering section due to the sampling used Figure 7 9 Sample histogram After a period of time has passed the histogram for this example displays using ProView NXG software to view as shown in Figure 7 9 The sample Histogram suggests that the compensated voltage 15 varying greatly The source of this variation should be investigated Possible causes include an unstable system supply voltage improper control settings or a greatly varying load TIME ON TAP Feature The TIME ON TAP feature logs the amount of time spent on each tap changer position The TIME ON TAP data is accessed via the ProView NXG software and is viewed in bar graph format
103. ction box w RS 1 ORG BLK CC ORG BLK CC RED CC BLK RLS 2 BLU Position Indicator Lower Limit Switch LLS Junction Box Terminal Board JBB JBB L GRN BLK Ld CC GRN BLK CC WHTIBLK 7 S49 vee Switch RLS Pray CC BLU BLK oss JBB R BLU CC BLU 115 2 GRN BLK K OL CC BLK WHT OS7 NL CT Protection Circuit Position JBB G WHT N HS Ground Reset 2 gt i Solenoid JBB DHR ORG ees ORG CC ORG CC RED BLK CC GRN CC WHT RS 2 WHT 12 Conductor Cable CC To Control Figure 10 2 Legacy junction box wiring diagram CL 6 Series Control Installation Operation and Maintenance Instructions 225 11 1 July 2013 www cooperpower com 117 TO CONTROL JUNCTION BOX TERM TERMINAL BOARD BLOCK JBB AND POSITION INDICATOR M TAP CHANGER TERMINAL BOARD JBB S2 T F1 TC82 BLK _ CURRENT TRANSFORMER 0 JBB C1 WHT TERMINAL BOARD TCB1 G T S1 1 T E2 JBB C2 BLK 1281 WHT WHT JBB S6 BLU BLK OR RED WHT 12 BLU RLS NC BLU BLK RSS NC BLU BLK RHS NO BLU MR 1 RED BLU M T3 RED LLS NC RED BLK LSS NC RED BLK LHS NO_ RED MR 2 RED BLU 57 BLK WHT OR GRN WHT RLS C BLU WHT JBB R BLU RSS C ET LLS C RED TRANSFORMER JBB L GRN BLK LSS C RED CONTROL WINDING T 181 12 O
104. ctions 5225 11 1 July 2013 www cooperpower com 53 TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting L w High 38 Metering Master Reset 038 Master Reset 0 NA 1 PRESS RESET Only demand metering forward and reverse and maximum and minimum buck boost and tap position values and associated time date are reset to their corresponding present demand values at FC 38 press Edit Reset then press Enter e f the present demand value tap position is in an invalid state indicated by dashes the high and low values will also become invalid and will display dashes e Individual maximum and minimum values and their date time stamps see FC 20 FC 37 FC 127 and FC 128 may be reset to the present demand value access the appropriate function code on display press Edit Reset then press Enter e Successful master reset is indicated by the word Done appearing on the display See the Control Programming Special Functions section of this manual 39 Features Source Side 039 Source Voltage 0 2 NA On NA NA Voltage Calculation Calculation On The source side voltage is calculated based on tap position and the regulator type see FC 140 e Options include source voltage calculator off source voltage calculator on
105. d Open Delta 10 8 75 7 5 6 25 5 Regulation Range Closed Delta Rated Rated 15 13 1 11 3 9 4 Volts kVA 7 5 33 50 55 60 68 80 66 100 110 120 135 160 99 150 165 180 203 240 6600 132 200 220 240 270 320 198 300 330 360 405 480 264 400 440 480 540 640 330 500 550 600 668 668 396 600 660 668 668 668 55 50 55 60 68 80 110 100 110 120 135 160 165 150 165 180 203 240 11000 220 200 220 240 270 320 330 300 330 360 405 480 440 400 440 480 540 640 550 500 550 600 668 668 660 600 660 668 668 668 75 50 55 60 68 80 150 100 110 120 135 160 225 150 165 180 203 240 15000 300 200 220 240 270 320 450 300 330 360 405 480 600 400 440 480 540 640 750 500 550 600 668 668 110 50 55 60 68 80 220 100 110 120 135 160 330 150 165 180 203 240 22000 440 200 220 240 270 320 660 300 330 360 405 480 880 400 440 480 540 640 165 50 55 60 68 80 330 100 10 120 135 160 33000 495 150 165 180 203 240 333 231 254 277 312 370 660 200 220 240 270 320 155 65 C rise rating on VR 32 regulators gives an additional 12 increase in capacity if the tap changer s maximum current rating has not been exceeded For loading in excess of the above values please refer to your Cooper Power Systems representative 78 039 9 50d Orig fr8 L1 504 2 504 580 50d S LHM 8 504 18 504 ce 73 cod 3 MOTAN cow oowmeamsr OVIgSONvWO ovigNsuD n
106. d to panel from Earth Ground check continuity of each of the leads of the isolation transformer to G before connecting leads to control panel Figure 1 3 240 Vac Application with Cooper 240 V Control Option 1 CL6 Panel Cooper supplied 2 1 Auto Transformer on Control Cabinet Back Panel 1 1 Isolation Transformer Neutral connected to ground at panel to shunt HV to LV faults leakage to 240V External Ground Can t be Source removed 2 8 Common N To assure isolation from Earth Ground Core may or may check continuity of not be tied to Earth each of the leads of the isolation transformer to G before connecting leads to control panel Figure 1 4 240 Vac Application with Cooper 240 V Control Option 2 240 Vac Applications to a Cooper 120 V Control Option 1 Control Box Assembly Panel connected to earth ground to provided protection to operations personnel typical field application where control is mounted on grounded Regulator tank or dropped down pole with control box grounded properly Since the control is configured for 120 Vac a 2 1 Isolation transformer must be used to step and isolate the supply voltage This isolation transformer must isolate both the neutral and line on the secondary side Also the neutral and ground on the secondary side should not be bonded or connected To check isolation from earth ground check the continuity of
107. dware qa xt T Re ela ad Heater SECTION 10 APPENDIX Appendix 5 IS 4 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Safety for life ater FOR LIFE Eaton s Cooper Power Systems products meet or exceed all applicable industry standards relating to product safety We actively promote safe practices in the use and maintenance of our products through our service literature instructional training programs and the continuous efforts of all Eaton s Cooper Power Systems employees involved in product design manufacture marketing and service We strongly urge that you always follow all locally approved safety procedures and safety instructions when working around high voltage lines and equipment and support our Safety For Life mission Safety information The instructions in this manual are not intended as a substitute for proper training or adequate experience in the safe operation of the equipment described Only competent technicians who are familiar with this equipment should install operate and service it A competent technician has these qualifications 5 thoroughly familiar with these instructions s trained in industry accepted high and low voltage safe operating practices and procedures s trained and authorized to energize de energize clear and gro
108. e L3 L2 15 White Green VS VS 16 Black C C2 7 Violet C3 C3 8 Green 9 Red VS V7 20 White Brown 58 01 JBB C2 288 5 JBB DHR JBB S2 275472 6 T 347 4 10 Figure 10 9 Alternate back panel signal circuit CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 127 128 This page intentionally left blank CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com This page intentionally left blank CL 6 Series Control Installation Operation and Maintenance Instructions 225 11 1 July 2013 www cooperpower com 129 130 This page intentionally left blank CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com This page intentionally left blank CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 131 E T N Powering Business Worldwide Eaton 1000 Eaton Boulevard Cleveland OH 44122 United States Eaton com Eaton s Cooper Power Systems Business 2300 Badger Drive Waukesha WI 53188 United States Cooperpower com 2013 Eaton All Rights Reserved Printed in USA Publication No 5225 11 1 July 2013 SAFETY FOR LIFE E aton Cooper Power Systems ADD AMP Cooper Control Interface Metering PLUS T MT
109. e Data Profiler data can only be viewed and configured via communications The user can choose to profile as many of the instantaneous and demand pres ent parameters as desired The user can set the sam pling interval from 1 minute to 1 day The greater the number of parameters chosen and the faster the sam pling interval the less overall time will pass before the record begins to be overwritten EXAMPLE Choosing 10 parameters sampling every 10 minutes will provide over 4 460 samples or over 30 days before data begins to be overwritten While choosing 40 parameters sampling every 5 minutes the Data Profiler will only pro vide over 1550 samples or over 5 days before data begins to be overwritten Another consideration when configuring the profiler is that sampling unneeded parameters or unnecessarily often may lessen the life of the non volatile memory in the control The non volatile memory life when sampling 10 parameters every 10 minutes under normal conditions the would be more than100 years Histograms Histograms offer the user a quick visual method to understand the operation of the voltage regulator The histogram data and configuration can only be accessed via communications The histogram data is intended to be viewed in bar graph form Data is available for Percent Regulation and the following Forward and Reverse demand parameters Primary Load Current e Secondary Load Voltage e Secondary Source Voltage e Se
110. e Instructions 5225 1121 July 2013 www cooperpower com 107 No Neutral Sync Signal CONTROL NOT INSTALLED ON REGULATOR This most often occurs when powering up a control on a workbench The No Neutral Sync Signal means the control did not have a neutral signal during the self test during power up This can occur because there is no 120 V signal present on the neutral light input To confirm this and clear the error message perform the following 1 Escape 2 Function 99 Enter 32723 default Enter Function 12 Enter 4 Edit Reset some number from one to 16 Enter 5 Initiate a self test Function 97 Enter Enter Enter The No Neutral Sync Signal message should not reappear CONTROL ON REGULATOR If the control is on a regulator and the No Neutral Sync Signal message appears during power up or self test or there is no neutral light check the input signal at TB NL to G If the regulator is in neutral there should be 120 V at the input When there is not 120 V at TB NL while on neutral the neutral light on the control panel will be off If there is no neutral light and no neutral light signal at TB NL verify that the regulator is in neutral For the regulator to be in neutral the position indicator should be on neutral and if the regulator is energized there should not be a differential voltage between the source S bushing and the load L bushing When there is no neutral light and the regulator is
111. e control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 42 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting low High 10 Metering Instantaneous 010 Load Voltage 0 NA NA NA NA NA Primary kV XX XX kV e This is the fundamental RMS voltage referred to the primary which appears at the output load terminals of the regulator During reverse power operation the control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 11 Metering Instantaneous 011 Source Voltage 0 NA NA NA NA NA Primary kV XX XX kV e This is the fundamental RMS voltage referred to the primary which appears at the input Source terminals of the regulator e Since ratio correction is performed by the firmware this parameter is scaled according to the inputs at FC 43 System Line Voltage and FC 44 Overall PT ratio e During forward power operatio
112. e heater on when the tem perature falls below 85 F 29 C and off when the tem perature exceeds 100 F 38 C For full details refer to Cooper Power Systems Service Information S225 10 12 VR 32 Regulator Control Heater Part No 9000 Installation and Parts Replacement Instructions CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 113 SECTION 10 APPENDIX TABLE 10 1 VR 32 Tap Connections and Voltage Levels 60 Hz TABLE 10 2 VR 32 Tap Connections and Voltage Levels 50 Hz Regulator Nominal Test Overall Voltage Single Ratio Adjusting Data Terminal Potential Rating Phase Internal PT RCT Voltage Ratio Voltage Tap Ratio Tap X 1 2 3 4 5 6 7 6930 55 1 127 119 1 58 2 1 6600 z 55 1 120 120 55 1 6600 6350 55 115 120 5 52 7 1 6000 55 1 110 119 50 4 1 5500 55 1 104 115 4 477 1 11600 E4 P4 91 7 1 127 119 5 96 1 11000 E4 P4 91 7 1 120 120 91 7 1 10000 E4 P4 91 7 1 110 119 84 1 1 11000 6930 2 2 95 1 127 119 1 58 21 6600 E5 P5 55 20 120 55 1 1 6350 2 2 55 1 115 120 5 52 7 1 6000 2 2 55 1 110 119 50 4 1 5500 2 2 55 1 104 115 4 477 1 15000 E4 P4 120 1 120 125 120 1 14400 E4 P1 120 1 120 120 120 1 13800 E4 P4 120 1 115 120 115 1 15000 120 1 110 120 110 1 1 1 120 04 115 4 104 1 11000 2 2 92 7 1 120 118 7 91 8 1 10000 2 2 92 7 1 11
113. e minimum kVA demand therefore it cannot be reset independent of that parameter 024 Metering Forward 024 Forward 0 NA 1 Demand kVA Load High XXXX X kVA Date Time shown e This is the highest value of the load kVA since last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the highest kVA load is displayed 244 Metering Forward 024 Forward 0 NA 1 NA NA NA Demand kVA Load Low XXXX X kVA Date Time shown Date and time of the occurrence of the lowest kVA load is displayed e This is the lowest value of the load kW since last reset as a demand value according to the demand time interval at FC 46 244 Metering Forward 024 Forward 0 NA NA NA NA NA Demand kVA Load Present XXXX X kVA e This is the present value of the load kVA as a demand value according to the demand time interval at FC 46 25 Metering Forward 025 Forward 0 NA 1 Demand This is the highest value of the load kW since last reset as a demand value according to the dem Date and time of the occurrence of the highest kW load is displayed and time interval at FC 46 25 Metering Forward Demand 025 Forward kW Load High XXXX X kW Date Time shown NA NA NA NA Date and time of the occurrenc
114. e of 220 240 Vac have a decal specifying 240 at the terminals Caution should be taken when connecting external voltage to the terminal s The voltage should be checked to insure the polarity is correct The black termi nal is the hot terminal the white is the neutral terminal and the green which is directly connected to the chassis is the external supply ground CAUTION Equipment damage Only an ac power supply is to be used to energize the control externally Do not use a DC to AC voltage inverter Failure to comply can cause excessive harmonics to be generated and result in damage to the front panel VR T204 1 The CL series control can be powered externally through the front external power binding posts The control panel itself utilizes 120 Vac to operate However there are optional configurations in which a 240 Vac control cabinet is supplied Whichever the case care must be taken when applying an external source to the control 8 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Connecting Power to External Source Terminals 240 Vac Applications to Cooper 240 V Control Option 1 Control Box Assembly Panel connected to earth ground to provide protection to operations personnel typical field application where control is mounted on grounded Regulator tank or dropped down pole with control box grounded properly The 240 Vac Cooper control cab
115. e of the lowest kW load is displayed This is the lowest value of the load kW since last reset as a demand value according to the demand time interval at FC 46 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 47 TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Head Edit Reset Setting Low High 25 Metering Forward 025 Forward 0 NA NA NA Demand kW Load Present XXXX X kW This is the present value of the load kW as a demand value according to the demand time interval at FC 46 26 Metering Forward 026 Forward 0 NA 1 NA NA NA Demand kvar Load High XXXX X kvar Date Time shown e This is the highest value of the load kvar since last reset as a demand value according to the demand time interval at FC 46 e Date and time of when the lowest value occurred is displayed 264 Metering Forward 026 Forward 0 NA 1 NA NA NA Demand kvar Load Low XXXX X kvar Date Time shown This is the lowest value of the load kvar since last reset as a demand value according to the demand time interval at FC 46 Date and time of the occurrence of the lowest kvar load displayed 26V Metering Forward 026 Forward 0 NA NA NA NA NA Demand kvar Load Present XXX X kvar This is the present value of the load kv
116. e to comply can result in serious personal injury or death and equipment damage VR1212 0 CAUTION Equipment Damage Be mindful of polarity when using an external source Polarity reversal will result in control damage VR T2010 All controls are factory calibrated and should not need to be recalibrated by user However calibration can be performed for both the voltage and current circuits as follows Voltage Calibration 1 Connect an accurate true RMS responding voltmeter to the voltmeter terminal This voltmeter should have a base accuracy of at least 0 1 with calibration traceable to the National Bureau of Standards CL 6 Series Control Installation Operation and Maintenance Instructions 5225 1121 July 2013 www cooperpower com 111 2 Connect a stable 50 60 Hz voltage source with less than 5 harmonic content to the External Source terminals 3 Set the POWER switch to External 4 Adjust the voltage source to provide 120 0 Vac to the control as read on the reference voltmeter 5 Before calibration can be performed Security Level 3 must be activated by entering the proper security code at FC 99 Security Code Function 99 Enter 32123 default Enter 6 Access FC 47 Voltage Calibration Function Z7 Enter 7 The display will show the voltage applied to the con trol This should correspond to the reading on the reference voltmeter If the control reading is signifi cantly different the calib
117. edge 5 After voltage is brought in band and tap changing has stopped move CONTROL FUNCTION switch to the MANUAL position 6 Toggle the Raise Lower switch down to activate a lower operation Allow tap changer to operate for enough steps to take voltage out of band Note that the Out of Band Low LED on the front panel will come on 7 Place CONTROL FUNCTION switch in the Auto Remote position After the time delay period the control should cause the regulator to step up to the lower band edge This will display in the LCD EXAMPLE 120 V and a 2 V bandwidth 119 V lower band edge Control Bench Testing When applying external voltage to a CL 6 control discon nected from the control enclosure follow these steps 1 Place a jumper between positions 7 and 8 of the disconnect plug on the wiring harness of the control 2 Place a jumper between positions 5 and 6 of the disconnect plug on the wiring harness of the control 3 Connect the external source to the external source post on the front of the control Connect the hot lead to the black terminal post the neutral to the white post and the ground to the green terminal post See the detailed instructions for applying power to the external source terminals in Section 1 of this manual CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 19 Field Calibration Check To check the calibration of the control compa
118. eduction to be performed at Remote Level 3 is programmed at FC 75 Remote activation is then accomplished by applying a signal to two appropriate input terminals when FC 70 is set to remote latch See the Control Features Analog SCADA section of this manual 076 of Pulse 0 2 NA 0 0 10 Reduction Steps 0 76 Features Voltage Reduction Up to ten steps of voltage reduction are available when pulsed voltage reduction mode is selected FC 70 set to remote pulse FC 76 defines the number of steps selected for pulsed reduction operation The percentage of voltage reduction of each step is defined at FC 77 See the Control Features Analog SCADA section of this manual 77 Features Voltage Reduction 077 of Voltage Red 0 2 0 0 0 0 10 0 Per Pulse Step 0 0 FC 77 defines the percentage of voltage reduction which will be applied for each step of pulsed voltage reduction selected at FC 76 See the Control Features Analog SCADA section of this manual 79 Features SOFT ADD AMP 079 Soft ADD AMP 0 2 NA Off NA NA Limits The control has Soft ADD AMP capabilities Options include Off PIO Activate Default is Off On with Remote Override See the Control Features Soft ADD AMP section of this manual 80 Features Voltage 080 Voltage Limiter 0 2 NA off NA NA Limiter Mode The control has voltage l
119. een RCT White Brown RCT Blac TB4C Red PDo 2 White Brown TB4V White Brown RCT G White TB G White PD 2 Blac Blac RCT G White 4 White TB R Blue TBy Ly White Green 6 White RCT G White White Blue 6 White RCT 120 White Brown 5 White Blue TBg4 White TBoJ White TB VS Blac SD 3 Red Green TBy HS Orange TB4 R Blue TB L White Green TB NL White Red TB DHR White Orange SD4 3 TB HS TBy L TB DHR Note 75 V to TB V jumper only applies to non reverse power flow back panel assem blies supplied without RCT 4 TBz V7 is connected to RCT2 120 7 5 J Vg Vz G G Vs Vg Ym C1 C3 HS Rg La NL DHR on back panel assemblies set up ___ reverse power flow supplied with RCT Figure 10 8 Back panel signal circuit 126 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Motor Capacitor CD Cable Assembly Control Box JBB S6 JBB S7 JBB G White JBB HS Orange RLS 1 Blue LLS 1 Green Black JBB NL Red Black JBB DHR Orange Black JBB Sg Blue Black 57 Black White 52 Black JBB C4 Red Green V1 120 10 Black V4 120 11 Black G G 2 White BR BR 3 White Blue R3 R2 4 Blu
120. en the time when the data transmission is terminated and the transmit enable signal is disabled See Figure 5 4 Transmit Transmit Enable On Enable Off i Data Message L x SERS FC 66 FC 67 Transmit Transmit Enable Enable Delay On Delay Off Figure 5 4 Data transmission from the CL 6 control to the communication system for handshaking applications CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 59 TABLE 5 3 cont Function Codes Key Entry Func Level 1 Level 2 Level 3 Security Level Factory Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Law High 69 Features Auto Block 069 Auto Operation 0 2 NA Normal NA NA Status Blocking Status Normal e The contro with communications options allows the user to completely control the regulator through the SCADA system The SCADA system may place the regulator in a blocked state thus inhibiting any further tap changer operation initiated by the con trol Options include Normal Blocked e Normal refers to normal automatic operation Blocked refers to a state when automatic operation is inhibited e Example This function can be used to perform a desired amount of voltage reduction and then disabling of the tap changer inhibit additional operations for an indefinite time period
121. enance 325 PMT Mode B 0 2 NA 8 1 16 Deviation 8 e This is the maximum number of tap positions beyond neutral for which PMT is enabled 326 Maintenance 326 PMT Mode B 0 2 NA Off CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Master Slave This allows the performance of PMT Mode B maintenance operations to be coordinated among multiple regulators Options include 71 TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 327 Diagnostics aintenance 327 PMT Mode B 0 2 NA 50 0 160 Current Limit 50 e The PMT Mode B is enabled at or below the current limit setting defined as a percentage of the CT primary 328 Diagnostics aintenance 328 PMT Mode B NA 2 NA NA NA NA Issue Test This is a command When the Enter key is pressed the CONFIRM message is displayed on the fourth line of the LCD When the Enter key is pressed again the test sequence begins 333 Diagnostics aintenance 333 Contact Duty 0 NA NA NA NA NA Cycle Monitor XX XXXS e The contact life Duty Cycle Monitor function represents the amount of life consumed for the worst case contact displayed as a percentage of total life Individua
122. ength of time in milliseconds the device waits between receiving a signal to tap and actually tapping 74 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Setting Read Edit Reset Low High 416 Features Leader 416 Leader Follower 0 2 NA 10 1 60 Follower Timeout XX Seconds e The length of time in seconds before the Leader returns to starting tap position if a Follower device does not tap 417 Features Leader 417 Leader Follower 0 2 NA 5 5 60 Follower Retry Delay XX Seconds e The length of time in seconds before the leader retries to initiate a tapping operation if an initial attempt failed 418 Features Leader 418 Leader Follower 0 2 NA 3 i 10 Follower Retries XX The number of tap retries before the Leader stops retrying taps Enter the number of times to retry tapping 420 Features Leader 420 Leader Follower NA NA NA NA NA NA Follower Monitor Disabled This is the state of the leader Follower Monitor It will display either enabled or disabled 450 Features Alternate 450 Alternate 0 2 NA OFF NA NA Config Configuration Off This will turn on Alternate Configurations The options are Off On ARLH e PIO
123. er is turned on 2 Operator entry of the self test mode FC 91 The duration of this test sequence is approximately three seconds At completion the display will indicate PASS or display an error message if a problem is found See Diagnostic Error Messages in the next section of this manual The PASS message will remain in the dis play until the operator makes an entry through the key pad or after 20 minutes the display will automatically be turned off The clock will maintain time keeping for at least 24 hours after loss of ac power to control The backup power source requires 65 hours operation on ac power to become fully charged Note After the self diagnostic and the LCD displays PASS press Escape for further keypad use Note The word ERROR on the LCD indicates a key entry error not a diagnostic failure See Indication Messages in the Control Programming section of this manual Diagnostic Error Messages If the control indicates a failure on power up the LCD displays an error message This message will give infor mation about the problem detected Also as long as there is a diagnostic error message the Diagnostic Error LED indicator will be lit Messages may include No Neutral Sync Signal Input Voltage Missing and Configuration Value Required For more informa tion refer to Power Up Reset Conditions in the Control Programming section of this manual CL 6 Series Control Installation Operation and Maintenanc
124. eration See the Initial Control Programming section of this manual to determine whether the regulator is leading lagging e Note See Reference Bulletin R225 10 1 for a discussion of delta connections The LCD will display dashes if this is not set correctly 54 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Key Entry Limit Func Level 1 Level 2 Level 3 Security Level Factory Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 42 Settings Configuration 042 Control 0 2 NA Sequential NA NA Operating Mode Sequential The manner in which the control responds to out of band conditions is selectable by the user The appropriate mode is selected by entering one of the corresponding choices Sequential Standard Time Integrating Voltage Averaging For detailed information see the Control Operation Control Operating Modes section of this manual 43 Settings Configuration 043 System Line 0 2 NA See Note 1200 36000 Voltage 7200 Volts The control is designed to operate on primary system voltages from 1200 V to 36000 V Ratio correction is performed by the firmware and consequently the primary voltage must be entered for this calculation Example A regulator installed on 7200 V system line to neutral
125. eration threshold FC 57 Reactive Current OT Real Current 96 of C T Primary Forward Operation Z7 OT Operating Threshold FC 57 1 596 Figure 6 5 Reverse idle mode operation Tap changing is inhibited and band edge indicators are turned off CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 85 Bi directional Mode When FC 56 is set for Bi directional source voltage is required This mode is recommended for all installations where reverse power flow may occur except where the source of reverse power is a cogeneration facility or independent power producer Normal Forward Metering Rev Pwr Off Reverse Metering Reverse Scaling Rev Pwr On 1 1 Current Level Figure 6 6 Bi directional neutral idle and reactive bi direc tional metering METERING Figure 6 6 A threshold level of 1 002 A of the full load CT secondary current 200 A is used in setting the power direction The metering will be forward until the current exceeds the 1 threshold in the reverse direction At this time the various parameters use the reverse settings and the Reverse Power indicator turns on The control continues metering in reverse until the current exceeds the 1 threshold in the forward direc tion and then the parameter scaling reverts back to nor mal and the Reverse Power indicator turns off
126. erse Threshold Current 2 12 A Bi directional operating mode Voltage applied to Terminal 5 Terminal Block 8 See Remote Motor Control amp Auto Inhibit EXAMPLE 2 Load Current 200 Rev Current Threshold 2 Mode Bi directional Load Current Load Current 200A e Reverse Power Flow Reverse Threshold Current 2 Bi directional operating mode e Automatic tapping 15 not inhibited Tap Position When the Tap Position key is pressed the LCD will display the following information The first line displays the present tap position Neutral tap position is represented as 0 Tap positions lower than zero are denoted with a negative sign tap positions above zero do not carry a sign The second line is used to indicate when the tap changer has reached a Soft ADD AMP limit or a userconfigured Position Indicator ADD AMP limit In Example 1 the second line is blank because the tap changer is not at an ADD AMP limit If the Soft ADD AMP feature is enabled the third line is used to display the corresponding Soft ADD AMP limits The fourth line is used to display the physical Pl ADD AMP settings corresponding to the physical position indicator Note Physical ADD AMP always takes precedence over soft EXAMPLE 1 Tap Position 8 Tap SOFT ADD AMP 12 14 Position 1 ADD AMP 14 16 e Present tap position 8 Raise Soft ADD AMP feature On Soft ADD
127. etermination of Leading or Lagging in Delta Connected Regulators in this section of the manual WARNING Explosion Hazard Bypass a regulator with the line energized only if both the position indicator and the neutral light indicate neutral If both do not indicate neutral the line should be de energized to avoid shorting part of the series winding and resultant high circulating current Failure to comply can result in death or personal injury and equipment da mage VR T206 0 1 Start with all switches on the control front panel turned Off 2 Refer to the nameplate If the Control Winding Taps are required to be changed to reconfigure de energize the regulator Open up the hand hole and reconnect the E tap lead on the tap changer terminal board on top of the tap changer Example If the regulator is being changed from a 7200 to 14400 load voltage the Control Winding tap needs to be changed from to E4 See Figure 3 3 for nameplate information 3 Open V1 switch and if present V6 Refer to Figure 3 2 4 Connect the RCT per the information supplied by the nameplate The RCT is to be connected to the value listed on the nameplate for the load voltage to be regu lated The adjustable lead is tagged and has a loop in it 5 Close V1 switch and if present V6 6 There are two options for powering the control panel internal power or external power Select one method and follow the appropriate step A Internal
128. ethod for control to SCADA message interaction handshake mode on Com1 Coms e The transmit receive handshaking mode allows adaptability to different tyoes of communication system interfaces with the control Options include RTS without CTS Request to Send RTS without Clear to Send CTS support RTS with CTS Request to Send RTS with Clear to Send CTS support RTR without CTS Ready to Receive RTR without Clear to Send CTS support RTR with CTS Ready to Receive RTR with Clear to Send CTS support See FC 66 and 67 for programming of the Transmit Enable Delay and Transmit Disable Delay settings 66 Features Communications 066 Com Port 1 0 2 NA 0 0 1000 Tx Enable Delay 0 mSec When the control is set for transmit control handshaking the user may require a delay in milliseconds on Com1 Com3 between the time when the transmit enable is enabled to when data is transmitted e Example If the transmit enable were used as a keying device for a transmitter or modem a warm up period may be necessary before data can be transmitted For more information refer to the Advanced Control Features Communications section of this manual 67 067 Com Port 1 0 2 NA 0 0 Tx Disable Delay 0 mSec Features Communications 1000 e When the control is set for transmit control handshaking the user may require a delay in milliseconds on Com1 Com3 betwe
129. ettings and the Reverse Power indicator turns on The control continues metering in reverse until the current exceeds the 196 threshold in the forward direction and then the parameter scaling reverts back to normal and the Reverse Power indicator turns off OPERATION Figure 6 8 The control operates in the forward direction whenever the real component of the current is above the operation defined forward threshold FC 57 When the current exceeds the operator defined reverse threshold FC 57 and is held for 10 continuous seconds the control will tap to neutral Neutral position is determined using Tap Position If the tap position is not valid neutral is determined using percent regulation buck and boost When the current is in the region between the two thresholds the control idles on the last tap position held before the forward threshold was crossed While tapping to the neutral position if the current falls below the reverse threshold the control continues to tap until neutral position is reached The operational timer time delay is reset on any excursion below the forward threshold and the band edge indicators turn off SY Band edge indicators are turned off and tap changing is inhibited when real component of current is at or below the operation threshold FC 57 in either direction c E 3 2 5 a OT O OT Real Current 96 of C T Primary Tap to Neutral
130. evel 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 60 Features Communications 060 Com Port 1 0 2 NA DNP NA NA Protocol DNP e This function defines which resident protocol of the control will be used on Com1 Com3 e Options include DNP 2179 See the Control Features Digital SCADA section of this manual 61 Features Communications 061 Com Port 1 0 2 NA 9600 NA NA Speed 9600 The control microprocessor has two communications channels each with selectable baud rates e Options for Com1 Coms include 300 600 1200 2400 4800 9600 19200 38400 62 Features Communications 062 Com Port 1 0 2 NA 0 0 65535 Sync Time 0 mSec e This defines the period of time for Com1 Com3 the received data line must idle to assume the start of a request message See the Control Features Digital SCADA section of this manual 63 Features Communications 063 Com Port 1 0 2 NA 1234 0 65535 DNP Master Adrs 1234 The control will send unsolicited responses to this master address for Com1 Coms 64 Features Communications 064 Com Port 1 0 2 NA 1 0 65535 DNP Remote Adrsl e This is the primary DNP remote address used by user The DNP Remote Address 1 for Com1 Com3 is entered at FC 64 64 Features Communications 064 Co
131. f the local operator switches the control switch Auto Remote Off Manual to either Off or Manual the control internal circuitry prohibits SCADA from controlling the tap changer motor Resets and other writes are allowed Active Control Security Level If the local operator changes the control active security level to level 1 or above or security override is set to override 1 or higher this does not inhibit any SCADA activity To inhibit SCADA writes and resets the local operator should turn the Supervisory switch to Off Note A local operator wishing to check automatic operation should check to make sure that the Blocking Status FC 69 is set to Normal Note Changes to any of the communications parameters take effect immediately as compared to the CL4C control which required that the power be turned off then on to reset those parameters on the separate protocol com munications board Analog SCADA The CL6 control can be used with Analog SCADA sys tems Discrete inputs 1 through 3 have been pro grammed by default for use as inputs for voltage reduc tion and Tap to Neutral The back panel has provisions for remote motor control auto inhibiting and transducer connections Discrete Voltage Reduction During voltage reduction the control remains in the Automatic mode See Figures 6 13 and 6 14 for the location of the physical connections For either of the two modes Remote Latching and Pulse a nominal 120 Vac needs to
132. for basic regulation Please note the following Function Code information when using the Quik Start settings 99 Security Function Code and password needs to be applied before changes can be made to parameters 39 Source Side Voltage must be on for Reverse Power Flow operation if source side calculations are to be used instead of an internal differential potential transformer to determine source side voltage 140 Regulator Type A B C or D needs to be set for Type A Straight Design Type B Inverted Design Type C Type TX for regulators rated at 2 5 kV and greater than 875 A or Type D Type AX for regulators rated at 5 0 or 753 kV and greater than 875 A when FC 39 is on 41 Regulator Configuration must be programmed when a control change out is required 43 System Line Voltage must be programmed when a control change out is required 44 Overall PT Ratio must be programmed when a control change out is required 45 CT Primary Rating must be programmed when a control change out is required 49 Tap Changer Section must be programmed when a control change out is required 50 Calendar Clock must be programmed when a con trol change out is required or if power has been lost for more than 24 hours 69 Blocking Status must be set to Normal for the regulator to operate in the automatic mode CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 33 TABLE 5 1 Q
133. g dashes 4 31V Metering Reverse Demand 031 Rev Compensated 0 Voltage Low XXX X Volts Date Time shown e This is the lowest value of the calculated secondary voltage at the load center during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 e The reverse line drop compensation settings for resistance and reactance FC 54 and FC 55 are used in this calculation Date and time of the occurrence of the lowest compensated voltage is displayed The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 31V Metering Reverse Demand 031 Rev Compensated 0 NA NA NA NA NA Voltage Present XXX X Volts This is the present value of the calculated secondary load center during reverse power flow as a demand value according to the demand time interval at FC 46 The reverse line drop compensation settings for resistance and reactance FC 54 and FC 55 are used in this calculation e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes
134. ge High 037 Reverse Source Voltage Low 037 Reverse Source Voltage Present 037 _Master Reset Master Reset 038 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 39 TABLE 5 2 cont Function Menu Level 1 Main Menu Alarms Events Diagnostics Test LEDs Display Off Level 2 Sub Menu Alarms Active Unacknowledged Alarms Active Acknowledged _Events Control Communications Maintenance _Metering PLUS No Items No Items Parameter Unacknowledged Active Alarms List Acknowledged Active Alarms List Events Log Firmware Version Database Version PLD Version 2179 Version DNP Version DNP Checksum Self Test Com Port 1 Tx Messages Com Port 1 Rx Messages Com Port 1 Rx Errors Com Port 2 Tx Messages Com Port 2 Rx Messages Com Port 2 Rx Errors Contact Duty Cycle Monitor MT Mode A State MT Mode A Countdown Delay Mode A Time Delay Mode A Issue Test Mode B State Mode B Countdown Delay Mode B Time Delay Mode B Start Time Mode B Stop Time Mode B Max Deviation Mode B Designation Mode B Current Limit MT Mode B Issue Test Comp Voltage JJ UU UU SU U CU SU cU U LU LU SSS lt lt z E lt lt lt Load Voltage Load Current Tap Position LF TPI TRG STATUS Reg TPI CompV BandE sV Src Load Comp Code 089 189 190 191 192 193
135. gic Device PLD Version Number 191 Diagnostics Control 191 2179 0 NA NA NA NA NA Version XX e This is the 2179 Protocol Version Number e XX 2179 Protocol Version Number 192 Diagnostics Control 192 DNP Version 0 NA NA NA NA NA XX This is the DNP Protocol Version Number e XX DNP Protocol Version Number 193 Diagnostics Control 193 DNP Checksum 0 NA NA NA NA NA XXXX e This is the DNP Protocol Checksum 260 Diagnostics Communications 260 Com Port 1 0 NA 1 NA NA NA Tx Messages XXXXX e This is a count of Transmitted Messages from Com1 Com3 261 Diagnostics Communications 261 Com Port 1 0 NA 1 NA NA NA Rx Messages XXXXX e This is a count of Received Messages from Com1 Coms 262 Diagnostics Communications 262 Com Port 1 0 NA 1 NA NA NA Rx Errors XXXXX e This is a count of Receive Errors from Com1 Com3 263 Diagnostics Communications 263 Com Port 2 0 NA 1 NA NA NA Tx Messages XXXXX e This is a count of Transmitted Messages from Com Port 2 264 Diagnostics Communications 264 Com Port 2 0 NA 1 NA NA NA Rx Messages XXXXX e This is a count of Received Messages from Com Port 2 265 Diagnostics Communications 265 Com Port 2 0 NA 1 NA NA NA Rx Errors XXXXX e This is a count of Received Errors from Com Port 2 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 69
136. gs entered by the user match the physical posi tion indicator limit settings EXAMPLE 5 Tap Position T5 At Limit Tap Position ADD AMP 14 12 e Present tap position 15 Tap Changer above ADD AMP Limit Soft ADD AMP feature Off e Userconfigured external lower tap limit 14 e User configured external upper tap limit 12 Note Userconfigured upper PI ADD AMP tap limit does not match the upper physical tap limit setting on the Position Indicator Assuming the present tap position is correct the physical upper PI limit must be at position 16 This condition may occur if the userconfigured PI ADD AMP limits do not match the physical Pl ADD AMP tap position settings In this example the regula is at tap position 15 yet the userconfigured upper PI ADD AMP limit is 12 The control will advance the tap changer beyond the userconfigured Pl ADD AMP limit settings provided the actual mechanical PI limit switches do not prevent the operation If the tap changer is at or beyond either userconfigured PI ADD AMP limit At Limit will appear on the second line Compact Flash Card The CL6 series control has a compact flash CF card port located in the front of the control This port allows the operator to import settings into the control or to save settings and data from the control Also firmware upgrades are loaded with a flash card Firmware is the software resident i
137. gulator include the design number and an estimation of the amount of life already used Note Duty Cycle Monitor is active only on Cooper Power Systems regulators with Quik Drive tap changes Leader Follower Scheme The Leader Follower Scheme is an electronic scheme designed to keep two or three individual single phase step voltage regulators on the same mechanical tap position This is primarily used by utilities and others needing three phase voltage regulation at the expense of a balanced load voltage center with unbalanced loading A fiber optic intelligent loop scheme is used between controls providing the communications necessary between phases to initialize a tap change and provide positive feedback in maintaining those equal tap positions As a result of the communications between all phases access to certain data from all phases is available at the display of all controls involved as well as with the ProView NXG software from Cooper Power Systems This scheme can also be used for paralleling substation voltage regulators with a set of power transformers used for increasing capacity and providing a backup for maintaining regulated power For more details see Cooper Power Systems Service Information S225 40 9 Leader Follower scheme Installation and Operation Guide 106 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com SECTION 8 TROUBLESHOOTING WARNING Hazard
138. gure 6 2 Locked forward mode operation Locked Reverse Mode When FC 56 is set for Locked Reverse source voltage is required This mode is not intended to be used in applications where forward power flow is possible METERING Always operates in the reverse direction regardless of power flow direction If forward power occurs the metering functions remain on the source S bushing side of the regulator and no forward demand readings will occur 84 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com OPERATION Figure 6 3 Always operates in the reverse direction using the reverse settings at FC 51 FC 52 FC 53 FC 54 and FC 55 This allows operation down to zero current conditions since there is no reverse threshold involved A safeguard has been built into the control to prevent misoperation in the event forward power flow does occur If more than 2 004 A CT secondary forward current occurs the control idles on the last tap position held and the band edge indicators will turn off As the current flow returns to a level above this forward threshold normal reverse operation resumes Yj NM SS Reactive Current 4 2 Real Current 96 of Primary Reverse Figure 6 3 Locked reverse mode operation Reverse Idle Mode When FC 56 is set for Reverse Idle a source voltage is required for metering only This mode
139. h the input terminals on the circuit board 7 The microprocessor now recognizes that current is flowing in the holding switch circuit The RAISE triac is deactivated 8 As a result of the triac being deactivated the motor current is now carried solely by the holding switch circuit When the motor rotation is complete the holding switch opens as a result of the cam action and the motor stops 9 The microprocessor recognizes that the tap change is now complete by detecting that motor current is no longer flowing The operations counter and tap posi tion indication are incremented A 2 second pause then occurs allowing the sensing voltage to stabilize after motor operation 10 At the end of this pause if the voltage is still out of band another output is issued to reactivate the Raise triac thus starting another tap change sequence If the voltage is in band the Out of Band Low indica tor is turned off and the time delay timer is reset This sequence is altered slightly if the voltage averaging or time integrating mode of operation is selected These characteristics are described in Control Operating Modes in this section of the manual Manual Operation In the manual mode of operation the POWER switch can be set on either Internal or External and the control Switch will be placed on manual If the external position is chosen an external source must be applied to the termi nals on the control This should be a nominal 12
140. haking mode allows adaptability to different tyoes of communication system interfaces with the control RTS without CTS Request to Send RTS without Clear to Send CTS support RTS with CTS Request to Send RTS with Clear to Send CTS support RTR without CTS Ready to Receive RTR without Clear to Send CTS support RTR with CTS Ready to Receive RTR with Clear to Send CTS support e See FC 166 and FC 167 for programming of the Transmit Enable Delay and Transmit Disable Delay settings 166 Com Port 2 Tx Enable Delay 0 mSec 166 Features Communications 0 2 NA 0 0 1000 the time when the transmit enable is enabled to when data is transmitted before data can be transmitted When the control is set for transmit control handshaking the user may require a delay in milliseconds on Com Port 2 between Example If the transmit enable were used as a keying device for a transmitter or modem a warm up period may be necessary For more information refer to the Advanced Control Features Communications section of this manual 167 Com Port 42 Tx Disable Delay 0 mSec 167 Features Communications 0 2 NA 0 0 1000 e When the control is set for transmit control handshaking the user may require a delay in milliseconds on Com Port 2 between the time when the data transmission is terminated and the transmit enable signal is disabled High Limit
141. he corresponding time delay The Out of Band High and Out of Band Low LEDs are used to indicate an out of band condition EXAMPLE 1 Comp Voltage 125 0 Band 119 0 121 0 Using Func 1 5 Compensated Voltage 125 0 V Fwd Set Voltage 120 0 V Fwd Bandwidth 2 0 V Control experiencing Forward Power Flow 94 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com EXAMPLE 2 Comp Voltage 115 0 Band 108 0 112 0 Using Func 51 355 Comp Voltage Compensated Voltage 115 0 e Rev Set Voltage 110 0 V Rev Bandwidth 4 0 V Control experiencing Reverse Power Flow EXAMPLE 3 Comp Voltage 123 0 Band 119 0 121 0 Using Func 1 3 54 55 Compensated Voltage 123 0 V Cogeneration Mode e Fwd Set Voltage 120 0 V Fwd Bandwidth 2 0 V Control experiencing Reverse Power Flow Note When operating in the Cogeneration Mode metering always operates in the forward direction except that load center voltage is calculated based upon the line drop compensation settings when the fixed 1 reverse metering threshold is exceeded Load Voltage When the Load Voltage key is pressed the LCD will display the following information The first line displays a live representation of the load voltage The load voltage is available at FC 6 The second line displays the voltage limits to be appl
142. her See the regulator nameplate for deter mining the exact values 114 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 10 3 ADD AMP Capabilities of 60 Hz Ratings TLoad Current Ratings A Regulation Range Wye and Open Delta 10 8 75 7 5 6 25 5 Regulation Range Closed Delta Rated Rated 15 13 1 11 3 9 4 Volts kVA 7 5 50 200 220 240 270 320 75 300 330 360 405 480 100 400 440 480 540 640 2500 125 500 550 600 668 668 167 668 668 668 668 668 250 1000 1000 1000 1000 1000 333 1332 1332 1332 1332 1332 416 3 1665 1665 1665 1665 1665 25 50 55 60 68 80 50 100 110 120 135 160 100 200 220 240 270 320 5000 125 250 275 300 338 400 167 334 367 401 451 534 250 500 550 600 668 668 333 668 668 668 668 668 416 3 833 833 833 833 833 38 1 50 55 60 68 80 572 75 83 90 101 120 76 2 100 110 120 135 160 114 3 150 165 180 203 240 167 219 241 263 296 350 7620 250 328 361 394 443 525 333 438 482 526 591 668 416 3 548 603 658 668 668 500 656 668 668 668 668 667 875 875 875 875 875 833 1093 1093 1093 1093 1093 69 50 55 60 68 80 138 100 110 20 35 160 207 150 165 80 203 240 276 200 220 240 270 320 13800 414 300 330 360 405 480 500 362 398 434 489 579 552 400 440
143. icators Status Indicators NA voitage Reduction Flash Card Port Communications and LED Indicators Coms Tx and Rx LEDs Multi Use Keypad Numeric Keys Function Keys Short Cut Keys DB9 Style RS 232 Port Redundant Neutral Indicating Light LED Control Function Switch Power Switch Auto Remote Off Internal Off Manual External Manual Raise Lower Switch Supervisory On Off Switch External Source Terminals with Ground Drag Hand Reset Switch Fuse Voltmeter Terminals Figure 1 2 Control panel layout CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com SECTION 1 CONTROL PANEL Lower Panel Grey The lower section of the control contains components which are similar to other controls in the Cooper Power Systems CL line of controls Refer to Figure 1 2 Power Switch In the external position the control and tap changer motor are powered from an external source connected to the external source terminals 120 Vac standard 240 Vac as indicated by decal In the internal position the control and motor are powered from the regulator In the off position no power is delivered to either the control or the motor Control Function Switch In the auto remote position the tap changer motor can be controlled by either the front panel auto or remotely by SCADA In the off position manual and automatic operation and remote motor contro
144. ied by the Voltage Limiting feature see FC 80 If a voltage range is displayed a high and low limit is enabled A single value implies that only the high limit is active The Voltage Limiter High and Voltage Limiter Low LEDs are used to indicate the voltage limiter is active EXAMPLE 1 Load Voltage 1153 0 Limiter 119 0 121 0 Load Voltage Load Voltage 115 0 V Voltage Limiting Mode High and Low Limits Active High Voltage Limit 2 121 0 V Low Voltage Limit 119 0 V EXAMPLE 2 11520 121 0 Load Voltage Limiter e Load Voltage 115 0 V Voltage Limiting Mode Only High Limit Active e High Voltage Limit 121 0 V EXAMPLE 3 115 0 Load Voltage Limiter Off Load Voltage e Load Voltage 115 0 V Voltage Limiting Mode Off Load Current When the Load Current key is pressed the LCD will display the following information The first line displays a live representation of the load current The load current is available at FC 9 This line also includes an abbreviation of the power flow direction Fwd corresponds to Forward Rev corresponds to Reverse The second line displays the current threshold point at which the control switches operation either from for ward to reverse or reverse to forward The current threshold is the product of the CT Primary Rating and the Reverse Threshold percentage EXAMPLE A 328 A regulator utilizing a C
145. igure 10 4 CURRENT TRANSFORMER C TO CONTROL TERMINAL BOARD AND POSITION INDICATOR GROUND TO 1 6 JUNCTION BOX TERM BLOCK JBB TAP CHANGER TERMINAL BOARD TCB1 JBB S6 BLU BLK OR RED M T2 BLU RED WHT RLS NC ayes RSS NC BLU BLK JBB S7 BLK WHT OR GRN WHT M T3 RED LLS NO RED BLK LSS NC RED BLK RLS C BLU WHT RSS C JBB R BLU RHS NO BLU LLS C RED WHT LSS C aye JBB L GRN BLK LHS NO RED RHS C BLK LHS C ine JBB HS ORN NL NO ORG NL C WHT JBB NL RED BLK M T1 WHT TCB2 G TO JBB G RAISE HOLDING SWITCH RHS TCB1 11 BLK TCB1 8 BLU eg TCB1 10 RED LOWER HOLDING TCB1 11 BLK SWITCH LHS Typical internal wiring for a regulator with a OD5 Quik Drive tap changer CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 119 TAP CHANGER TERMINAL BOARD JBB S2 T F1 TO CONTROL TERMINAL BOARD TcB2 BLK AND POSITION INDICATOR CURRENT TRANSFORMER 0 JBB C1 WHT JBB C2 BLK JUNCTION BOX TERM BLOCK JBB TCB1 G 1 51 T E1 T E2 WHT WHT CHANGER TERMINAL BOARD TAP CHANGER MOTOR M JBB S6 BLU BLK OR RED WHT RSS NC BLU M T2 BLU 1 15 57 BLK WHT LSS NC RED OR GRN WHT M T3 RED RSS C BLU RHS NO BLU LSS C RED LHS NO RED RHS
146. ime Delay The time delay is the period of time in seconds that the control waits from when the voltage first goes out of band to the time when a tap change is issued If a rapid response is required a shorter setting should be used If several devices on the same line are to be coordinated cascaded different time delay settings will be required to allow the proper devices to operate in the desired sequence Proceeding from the source each device should have a longer time delay than the preceding device A minimum 15 second difference between regu lators located on the same phase on the same feeder is recommended The delay allows the upstream device to perform its operations prior to the downstream device reacting The time delay setting of a voltage minimizing activated capacitor control should be set the same as a regulator control Alternate time delays are available with the voltage limiting feature Refer to the Voltage Limiting section of this manual Line Compensation Resistance and Reactance Settings Quite often regulators are installed some distance from the theoretical load center the location at which the voltage is to be regulated This means the load will not be served at the desired voltage level due to the losses voltage drop on the line between the regulator and the load Furthermore as the load increases line losses also increase causing the lowest voltage condition to occur during the time of heaviest loadi
147. imiting capabilities for both high voltage and low voltage conditions Additional voltage limiting capabilities are included which are to be used when Integrate Volt VAR Control IVVC software is controlling regulation Options include Off High limit only High low limits High limit only IWC High low limits See the Control Features Voltage Limiting section of this manual CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 61 TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Bead Edit Reset Setting Low High 81 Features Voltage 081 High Voltage 0 2 NA 130 0 120 0 135 0 Limiter Limit 130 0 Volts e The high voltage limit is programmed here e When the voltage limiting function is activated FC 80 high and low limit active the control will prevent the output voltage of the regulator from exceeding this value See the Control Features Voltage Limiting section of this manual 82 Features Voltage 082 Low Voltage 0 2 NA 105 0 105 0 120 0 Limiter Limit 105 0 Volts e The low voltage limit is programmed here e When the voltage limiting function is activated FC 80 high and low limit active the control will prevent the output voltage of the regulator from dropping below this value
148. inet utilizes a 240 Vac to 120 Vac 2 1 auto transformer inside the control cabinet on the back panel This transformer steps down the 240 Vac external supply to provide 120 Vac to the control panel Inside the CL6 control the neutral and ground are connected in several locations Care should be taken when applying external power The 240 Vac external source must be completely isolated In most cases an isolation transformer is needed This isolation transformer must isolate both the neutral and line on the secondary side Also the neutral and ground on the secondary side should not be bonded or connected To check isolation from earth ground check the continuity of each lead on the isolation transformer with respect to ground G Check this before connecting the leads to the control panel See Figure 1 3 The control panel assembly is grounded through the tank or a separate grounding strap Earth ground of the isolation transformer is not connected to the control The only source of earth ground reference on secondary of isolation transformer is through the control box connection to ground Option 2 Control Box Assembly floating typical shop or lab application where control is mounted on ungrounded regulator tank or sitting on workbench Cooper Power Systems offers an optional control configuration that accepts 240 Vac external power In this configuration a 240 Vac to 120 Vac 2 1 auto transformer is installed inside the co
149. ing Instantaneous 018 Voltage 2nd 15th 0 NA NA NA NA NA Harmonic XX X The values of the 2nd through 15th harmonic are displayable Use the arrow keys to scroll through the 2nd through 15th harmonic 19 Metering Instantaneous 019 Current THD 0 NA NA NA NA NA XXX X e The total harmonic distortion THD is displayed after entering FC 19 The total harmonic distortion is computed as the RSS square root of the sum of the squares of the individual harmonic values This is displayed as a percentage of the fundamental RMS voltage e Example 200 A of 60 Hz fundamental power line frequency with a reading of 1 9 at the 5th harmonic 300 Hz is 3 8 A RMS Metering Instantaneous 019 Current 2nd 15th 0 NA NA NA NA NA Harmonic XX X The values of the 2nd through 15th harmonic are displayable Use the arrow keys to scroll through the 2nd through 15th harmonic 20 Metering Forward Demand 020 Forward Load 0 NA 1 NA NA NA Voltage High XXX X Volts Date Time shown e This is the highest secondary output voltage of the regulator since last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the highest secondary output voltage is displayed 204 Metering Forward Demand 020 Forward Load 0 NA 1 NA NA NA Voltage Low XXX X Volts Date Time shown e This is the lowest secondary
150. ion Off High Limit only High Low Limits IVVC High Limit Only and IVVC High Low Limits If low voltage limiting only is desired FC 80 should be set to both high and low limiting to enable this limit and the value programmed into FC 81 for the high limit can be set to some extreme number such as 135 to prevent the high limit from activating The control has two response sensitivities If the output voltage exceeds either the high or low limit by 3 V or more the control samples the voltage for two seconds and then taps immediately to bring the voltage to the limit value If the output voltage exceeds either the high or low limit by less than 3 V the control samples the voltage for 10 seconds then taps to bring the voltage to the limit value The 10 second delay is used to prevent false responses to transient conditions The control uses the sequential method of tapping a two second pause between taps for voltage sampling when bringing the voltage back to the limit value Voltage Limiter High and Voltage Limiter Low indicators in the display indicate when either limit is active To avoid potential cycling of the regulator set the high and low voltage limits at lest two volts above and below the upper and lower bandwidth limits This will establish a grey zone between the high and low voltage limits and the upper and lower limits When the output voltage is within this grey zone the control will not perform any tap changes that w
151. ion Security System section of this manual 62 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting caw High 97 Features Security 097 Security Code 3 3 NA 12121 10000 19999 Access Level 2 12121 e The number to be used as the level 2 security code is entered here e Entry of this number at FC 99 permits the user to change reset only the parameters marked as level 2 security control settings configuration and clock and level 1 security demand and tap positions readings See the Control Operation Security System section of this manual 98 Features Security Access 098 Security Code 3 3 NA 32123 20000 32766 Level 3 32123 e The number to be used as the level 3 security code is entered here e Entry of this number at FC 99 permits the user to change reset any parameter Note If the level 3 code is changed by th codes can be retrieved with a flash card and CCI software with the CCI software via a PC directly connected to the control or with the remote communications system See the Control Operation Security System section of this manual e user the new value should be recorded and kept in a safe place If
152. is set to None 50 Settings Calendar Clock 050 System Calendar 0 3 NA NA NA NA and Clock Date Time shown The system date and time utilizes the MM DD YYYY and 24 hour format The default is Jan 1 1970 Refer to the Control Features Calendar Clock section of this manual for more information 51 Settings Reverse 051 Reverse 0 2 NA 120 0 100 0 135 0 Direction Set Voltage 120 0 Volts The set voltage is the voltage level to which the control will regulate on the 120 V base during reverse power flow See FC 1 and the Control Features Reverse Power Operation section of this manual 52 Settings Reverse 052 Reverse 0 2 NA 2 0 1 0 6 0 Direction Bandwidth 2 0 Volts The bandwidth is defined as that total voltage range around the set voltage which the control will consider as a satisfied in band condition during reverse power flow Example A bandwidth of 3 0 V and a set voltage of 120 0 V will establish a low limit of 118 5 V and a high limit of 121 5 V See FC 2 FC 5 and the Control Features Reverse Power Operation section of this manual 56 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Cow High 53 Settings Reverse 053 Reverse 0 2 NA 45 5 180 Direction Time Delay 45 Seconds
153. ise tap change signal Verify tap position indication TPI is registering prop erly by pressing Tap Position key and comparing the reading to the tap position indicator on the regula tor junction box 10 Place CONTROL FUNCTION switch in Manual posi tion and manually return tap changer to neutral When on neutral the Neutral Light will illuminate continuously and position indicator will point to zero 11 Place CONTROL FUNCTION switch in Off position 12 Press down on DRAG HAND Reset momentary tog gle switch and release the position indicator drag hands will reset to indicating hand 13 Turn POWER switch to Off and disconnect power supply from EXTERNAL SOURCE terminals In Service Check With the control programmed for basic operation per form an operational check of manual and automatic operation Press the Comp Voltage key to display compensat ed voltage and both band edges in the LCD 2 Place CONTROL FUNCTION switch in Manual posi tion 3 Toggle the Raise Lower switch up to activate a raise operation Allow tap changer to operate for enough steps to take voltage out of band Note that the Out of Band High LED on the front panel will come on 4 Place CONTROL FUNCTION switch in the Auto Remote position After the time delay period the control should cause the regulator to step down to the top band edge This will display in the LCD EXAMPLE 120 V and a 2 V bandwidth 121 V top band
154. isolate both the neutral and line on the secondary side Also the neutral and ground on the secondary side should not be bonded or connected To check isolation from earth ground check the continuity of each lead on the isolation transformer with respect to ground G Check this before connecting the leads to the control panel See Figure 1 7 The control panel assembly is grounded through the tank or a separate grounding strap Earth ground of the isolation transformer is not connected to the control Only source of earth ground reference on secondary of Isolation transformer is through control box connection to ground Option 2 Control Box Assembly floating typical shop or lab application where control is mounted on ungrounded regulator tank or sitting on workbench The 120 Vac external source must be completely isolated In most cases an isolation transformer is needed This isolation transformer must isolate both the neutral and line on the secondary side Also the neutral and ground on the secondary side should not be bonded or connected To check isolation from earth ground check the continuity of each lead on the isolation transformer with respect to ground G Check this before connecting the leads to the control panel See Figure 1 8 In this case the ground of the isolation transformer is connected to the green terminal post on the CL6 series control In this configuration the only source of earth ground reference on
155. ities For most Counter quantities there will be only one data alarm that can be triggered for a HIGH threshold value Tap Position High Tap Position Low Total Operations Counter High ast 24 Hours Operations Counter High Last 30 Days Operations Counter High Current Month Operations Counter High ast Month Operations Counter High Current Year Operations Counter High Last Year Operations Counter High Maintenance Quantities See the Advanced Features Duty Cycle Monitor section of this manual for more information on these alarms DCM Duty Cycle Monitor Level 1 High DCM Duty Cycle Monitor Level 2 High Events Use the nested menu to access the lists of events No security code is needed to display an event a security code is needed to acknowledge an event e Alarms Events gt Events This displays a list of system events This section covers Event displays for more informa tion see the Advanced Features Events section of this manual The event labels can use 2 LCD lines for a total of up to 40 characters An actual event display example follows If there are no events available the LCD displays the following message Supervisory On 01 14 2004 11 35 58a The events list may include the following There Are No Events e User Reset Clock Has Been Set Factory Calibration Required No Data Acquisition e Tap Raise Tap Lower e Tap
156. l Cooper QD8 Cooper QD5 Cooper QD3 Cooper Spring Drive Cooper Direct Drive Siemens General Electric Howard LTC Reinhausen Enter 50 Calendar Clock Function 50 Enter Edit Month Day Year Hour Minute Enter 140 Regulator Type Function 140 Enter Edit Scroll Type A Type B Type C Type D Enter 144 Pl ADD AMP High Limit Function 144 Enter Edit Value Enter 145 Pl ADD AMP Low Limit Function 145 Enter Edit Va ue Enter 146 Vin PT Configuration Function 146 Enter Edit Scroll Vdiff Mode Vin Mode Enter 69 Auto Operation Blocking Status Function 69 Enter Edit Scroll Normal Blocked Enter Requirements for Reverse Sensing Mode without IDPTs 039 Source Voltage Calculation Function 39 Enter Edit Scroll On Off Enter Required for Reverse Sensing Modes 051 Reverse Set Voltage Function 51 Enter Edit Value Enter 052 Reverse Bandwidth Function 52 Enter Edit Value Enter 053 Reverse Time Delay Function 53 Enter Edit Value Enter 054 Reverse Line Drop Comp Resistance Function 54 Enter Edit Value Enter 055 Reverse Line Drop Comp Reactance Function 55 Enter Edit Value Enter 056 Reverse Sensing Mode Function 56 Enter Edit Scroll Locked Forward Locked Reverse Reverse Idle Bi directional Neutral Idle Co generation React Bi directional Enter Required for Voltage Reduction Mode 070 Voltage Reduction Mode Function 70 Enter Edit Scroll Off Local Digital Remote Remote Latch Rem
157. l are inhibited In the manual position automatic operation and remote motor control are inhibited and the tap changer may be raised or lowered locally by momentarily toggling the raise lower switch Manual Raise Lower Switch This switch allows the operator to manually raise or lower the tap changer motor when the control switch is set to Manual Supervisory Switch This switch is used for digital communications only When set to On SCADA has full capabilities When set to Off SCADA may only read the control database Drag Hand Reset Switch This switch operates a solenoid in the position indicator to move the drag hands to the present tap position Neutral Light This is the primary indication that the tap changer is in the neutral position See the Control Installation Determining Neutral Position section of this manual Voltmeter Terminals These allow the connection of a voltmeter to measure the potential sensed by the control between the load L bushing and the source load SL bushing of the regula tor There are two terminals a red terminal and a white terminal Fuse The motor fuse is a 125 V 6A fast blow fuse External Source Terminals CAUTION Equipment damage Be mindful of polarity when using an external source Polarity reversal will result in control damage VR T2010 Providing 120 Vac to these terminals powers the control and tap changer motor Controls wired for an external sourc
158. l contact wear levels can be interrogated via the CCI software 350 Features Compact 350 CompactFlash NA NA NA NA NA NA Flash Data Writer This is a command to write information to the compact flash card Refer to the Advanced Features Compact Flash Card section of this manual 351 Features Compact 351 CompactFlash NA 2 NA NA NA NA Flash Load Custom Cfg This is a command to load a custom configuration to the CL 6 control Refer to the Advanced Features Compact Flash Card section of this manual 352 Features Compact 352 CompactFlash NA 2 NA NA NA NA Flash Load Std Config e This is a command to load a standard configuration to the CL 6 control Refer to the Advanced Features Compact Flash Card section of this manual 353 Features Compact 353 CompactFlash NA NA NA NA NA NA Flash Save Custom Cfg e This is a command to save a custom configuration from the CL 6 control Refer to the Advanced Features Compact Flash Card section of this manual 354 Features Compact 354 CompactFlash NA NA NA NA NA NA Flash Save Std Config e This is a command to save a standard configuration from the CL 6 control Refer to the Advanced Features Compact Flash Card section of this manual 355 Features Compact 355 CompactFlash NA NA NA NA NA NA Flash Format CF Card e This command to format the c
159. lations for correct operation This is accomplished by entering the proper option at FC 41 Wye Delta Lagging or Delta Leading Control Operating Modes The CL6 control supports three modes in which the control responds to out of band conditions permitting use of the mode that best fits the application The three modes are Sequential Time Integrating and Voltage Averaging The mode setting can be selected by scrolling within FC 42 or through Settings Configuration in the menu structure Sequential Mode This is the standard mode of response When the load voltage goes out of band the time delay circuit is acti vated At the end of the time out a tap change is initiat ed After each tap change a 2 second pause occurs to permit the control to sample the voltage again This sequence continues until the voltage is brought into band at which time the timing circuit is reset Whenever the voltage goes in band the timer is reset CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 31 Time Integrating Mode When the load voltage goes out of band the time delay circuit is activated At the end of the time out a tap change is initiated After each tap change a 2 second pause occurs to permit the control to sample the voltage again If the voltage is still out of band another tap change is performed This sequence continues until the voltage is brought into band When
160. lead to terminal on TB and its ground lead to G on TB4 A current transducer 200 mA input may be connected as follows Close knife switch C remove the jumper between and on TB4 connect the transducer hot lead to and its ground lead to Cy and open knife Switch C User provided Remote Voltage Reduction Module Relay K Common V IN V OUT Remove Jumper Figure 6 16 Typical user provided Fooler Voltage module TB Fooler Voltage Scheme Using this method the voltage sensed by the control is raised thereby fooling the control into reducing the voltage during its normal automatic operation This method can be used with the CL 6 Series controls A VR module as shown in Figure 6 16 is usually supplied by the Remote Terminal Unit RTU manufacturer The VR module is usually a tapped auto transformer with a pulse activated indexing relay When connected to the control back panel as shown the voltage sensed by the control is raised as the module is pulsed to higher taps Since this method keeps the control in automatic operation Auto Inhibiting is not used An advantage of this method is that it can be applied to many different models of controls from many manufacturers A disadvantage of this method is that while VR is activated the measured load voltage is incorrect as are all other calculated metering values which use the load vo
161. ll save the configuration data to the CF card Upon completion the control will display SAVING COMPLETE The CF card may be removed after this message is dis played If the command is completed with errors a SAVING FAILED message is displayed on the fourth line of the LCD If the command is in progress and is aborted via the ESC key a SAVING ABORTED message is displayed on the fourth line of the LCD Save Custom Configuration FC 353 The Save Custom Configuration function saves all of the settings and configuration data to a file with the format regulator ID reading CFG EXAMPLE 12345 001 CFG After inserting a CF card access FC 353 Press Enter The control LCD will display CONFIRM Press Enter again to confirm The Flash Card Active LED will illu minate the LCD will display SAVING and the control will save the configuration data to the CF card Upon completion the control will display SAVING COMPLETE The CF card may be removed after this message is dis played If the command is completed with errors a SAVING FAILED message is displayed on the fourth line of the LCD If the command is in progress and is aborted via the ESC key a SAVING ABORTED message is displayed on the fourth line of the LCD Load Standard Configuration FC 352 The Load Standard Configuration function loads all of the settings and configuration data from the file labeled with the file titled STANDARD CFG EXAMPLE STAN
162. llows WARNING Explosion Hazard To stop the regulator on the neutral position the CONTROL FUNCTION switch should be returned to Off during the switching operation from positions 1R or 1L to position neutral Switching to Off prior to reaching the neutral position prevents overshoot Failure to comply can result in death or severe personal injury and equipment damage VR T208 0 3 Verify the neutral position of the regulator using four methods A Verify that the neutral indicator light on the control is indicating the neutral position Neutral is indicated only when the light is continuously illuminated B Verify the tap position of the control indicates neu tral numeric key pad number 4 C Verify that the position indicator on the regulator is in the neutral position D Using an acceptable method verify that there is no voltage difference between the source and load bushings WARNING Explosion Hazard After placing the regulator in the neutral position for bypass Switching always disable the motor to prevent a tap change during bypassing which can result in the tap changer stepping off of neutral Failure to comply can cause death or severe personal injury and equipment damage VR T209 0 4 When the regulator has been placed in the neutral position but prior to bypassing additional safety action must be taken to ensure that the tap changer will not inadvertently switch to an off neutral p
163. lost the security 99 Features Security Access Security Code 3 3 NA 32123 iu 32766 This is the function code used to access the menu location where security codes are entered for access to the system Scrolling to this level is not allowed See the Control Operation Security System section of this manual 100 Counters Operations Counter FC 100 displays the time and date since the last total operations counter change as well as the quantity of operations since the last change 100 Last Counter 0 NA NA NA NA NA Change XXXXX Date Time shown The function code may be set to a specific value 101 Counters Operations 101 Last 24 Hours 0 NA 3 See NA NA Counter Operations Note XXXXX Date Time shown e Operations in last 24 hours updated hourly and on every tap change Note This is reset to zero by pressing Edit Reset then Enter 102 Counters Operations 102 Last 30 Days 0 NA 3 See NA NA Counter Operations Note XXXXX Date Time shown Operations in last 30 days updated daily and on every tap change Note This is reset to zero by pressing Edit Reset then Enter CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 63 TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Me
164. ltage To avoid the effects of metering inaccuracy the Pulse Mode of VR should be used CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 93 SECTION 7 ADVANCED CONTROL FEATURES Lug Voltage Limiter High Lug Out Or Band High Out Of Band Low Voltage Limiter Low Tapping Blocked Reverse Power Voltage Reduction Figure 7 1 Operation analysis using Metering PLUS feature Voltage Voltage Current Position Metering PLUS Feature The Metering PLUS feature was designed to allow immediate access to basic control information On the control keypad four keys display an asterisk identifying them as Metering PLUS keys These keys access information on compensated voltage load voltage load current and tap position Compensated Voltage When the Comp Voltage key is pressed the LCD will display the following information The first line displays a live representation of the compensated voltage The compensated voltage is available at FC 8 The second line is used to display the in band compensated voltage range The voltage range 15 dependent on four separate parameters operating mode metering power direction set voltage and bandwidth in the corresponding metering power direction The third line specifies the range of configurable function codes that are used to compute the in band compen sated voltage range and t
165. ltage 073 Remote 1 Value 0 2 NA 0 0 0 0 10 0 Reduction 0 0 e Three levels of remotely activated latching voltage reduction are available e The percentage of voltage reduction to be performed at Remote Level 1 is programmed at FC 73 Remote activation is then accomplished by applying a signal to the appropriate input terminal when FC 70 is set to remote latch See the Control Features Analog SCADA section of this manual 60 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Log High 74 Features Voltage 074 Remote 2 Value 0 2 NA 0 0 0 0 10 0 Reduction 0 0 Three levels of remotely activated latching voltage reduction are available The percentage of voltage reduction to be performed at Remote Level 2 is programmed at FC 74 Remote activation is then accomplished by applying a signal to the appropriate input terminal when FC 70 is set to remote latch See the Control Features Analog SCADA section of this manual T5 Features Voltage 075 Remote 3 Value 0 2 NA 0 0 0 0 10 0 Reduction 0 0 Three levels of remotely activated latching voltage reduction are available The percentage of voltage r
166. ltage 1 25 10 Band 11 97 1241 44 Using Func 1 5 If the control is operating under Reverse Power Flow conditions the LCD displays Comp Voltage 1150 108 0 112 0 Using Func 51 55 When operating in the Cogeneration Mode metering always operates in the forward direction except that load center voltage is calculated based upon the reverse line drop compensation settings when the fixed 196 reverse metering threshold is exceeded So the LCD displays 123 0 Comp Voltage Band 119 0 121 0 Using Func 1 3 54 55 Load Voltage When the Load Voltage key is pressed while the Voltage Limiting Mode High and Low Limits Active the LCD displays Load Voltage 11540 Limiter 119 0 121 0 If Voltage Limiting Mode Only High Limit the LCD displays 115 0 12120 Load Voltage Limiter If Voltage Limiting Mode Off the LCD displays Load Voltage ELS 4 0 Limiter Off Load Current When the Load Current key is pressed while the control is operating under Forward Power Flow conditions and automatic tapping is inhibited the LCD displays Load Current 600 Fwd Current Threshold 12 Mode Locked Forward Blocked TB8 4 amp 5 On the first line Fwd corresponds to Forward Power Flow direction The third line is used to display one of the following operating modes Mode Locked Forward Mode Locked Reverse Mode Reverse ldle M
167. lue Note A default calibration factor is programmed into non volatile memory at the factory and should not be necessary in the field See the Troubleshooting Control Calibration section of this manual 048 Current 0 3 Calibration 100 0 mA NA See Note 100 0 400 0 Calibration Features The current which the control actually measures in mA is displayed at FC 48 The control is designed for 200 mA as the rated CT secondary output current and will meter to 400 mA 200 load with no loss of accuracy To calibrate this value is compared to a reference ammeter and if different is changed to display the correct value Note A default calibration factor is programmed into non volatile memory at the factory and should not be necessary in field See the Troubleshooting Control Calibration section of this manual 49 Settings Configuration 049 Tap Changer Type 0 2 See Note NA NA Cooper QD8 This function code identifies the tap changer type See Service Information S225 10 10 Changing this function code changes the control s sampling rate to accommodate varying tap changer types Options include Cooper QD8 Cooper QD5 Cooper QD3 Cooper Spring Drive LTC Reinhausen e Cooper Direct Drive e Siemens General Electric Howard None Note The LCD will display __ _ _ Invalid if this
168. m Port 1 0 2 NA 65519 0 65535 DNP Remote Adrs2 65519 This is the DNP remote address available for remote configuration For more information contact your Cooper Power Systems representative The DNP Remote Address 2 for Com1 Coms is entered at FC 64 58 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Sub Menu Main Menu Parameter Setting Read Edit Reset Low High 64v 064 Com Port 41 0 2 2179 Remote Adrs 1 Features Communications NA 1 0 2046 e This is the control SCADA 2179 Remote Address for Com1 Coms e Each control on the system can be uniquely addressed by the SCADA RTU or other communications device For 2179 the options include 0 2046 Unique device address range Controls with addresses in this range uniquely respond when the particular address is sent e All controls on the system listen and change as commanded with no response if a message is sent to address 2047 e The control SCADA address for Com Port 1 is entered at FC 64 e For 2179 the High Entry Limit is 2046 65 Features Communications 065 Com Port 1 0 2 NA RTR NA NA Handshake Mode without RTR without CTS CTS FC 65 allows the user to select the appropriate m
169. m to become active only after the timer in seconds has expired When an alarm becomes active it is given the state of Unacknowledged If the alarm is configured to illuminate an LED the LED will flash as long as the alarm is Unacknowledged To acknowledge an alarm the user enters Alarms gt Alarms Active Unacknowledged via the menu displays the alarm and presses the Enter key twice If the alarm is configured to illuminate an LED and has been acknowledged the light will be on continuously The alarm will turn off whenever the alarm configuration is no longer true The control can also record an event or take a profile snapshot whenever an alarm becomes active or inactive The control contains two types of userconfigurable alarms Status Alarms and Data Alarms The Status Alarm type is activated based upon the condition of a binary On Off parameter By default Status Alarms become active when the parameter is On The alarm however can be inverted so that it becomes active when the parameter is Off The following is a list of some of the available parameters for the Status Alarms Supervisory Active Reverse Power Flow No Input Voltage Detected No Output Voltage Detected Tap at Neutral Voltage Limit On Reg Blocked Annunciator Voltage Reduc On Annunciator Power Up Self Test Error LF Ldr Unable to Operate Motor Trouble Alternate Configuration Active EXAMPLE Configuring a Supervisory Active Alarm to be inverted with
170. measurement check the voltage between PD 1 V1 and ground G at the voltage disconnect knife switch 10 1 Step 8 does not yield a voltage measurement check the voltage between PD 1 V1 and ground G at the voltage disconnect knife switch A If the set voltage value is approximately obtained the V4 disconnect or the ratio correcting trans former RCT of the rear panel signal circuit is probably faulty B If voltage is not obtained the trouble is in the control cable junction box or regulator tank Refer to the junction box troubleshooting section of Cooper Power Systems Service Information publication 225 10 30 If the junction box checks are satisfactory the trouble is in the regulator tank See Cooper Power Systems Service Information 5225 12 1 Quik Drive Voltage Regulator Tap Changer Manual and Service Information S225 10 19 Voltage Regulator Quik Drive T875 Tap Changer Switch Operating Maintenance Troubleshooting and Parts Replacement Instructions for troubleshooting methods Motor Capacitor Problem A problem in the motor capacitor can prevent a regulator from operating manually or automatically To check the motor capacitor use the following steps 1 Connect a voltmeter from TB R to G 2 With the control powered up place the Auto Remote Manual switch on Manual 3 Using the Raise Lower Switch give a Raise signal 4 The voltmeter reading should approximate the set voltage 5 With
171. n the control requires source voltage from a differential or source potential transformer or from the Source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 12 Metering Instantaneous 012 Present Tap 0 3 NA NA 16 16 Position XX e This is the present position of the tap changer e The tap position indication is synchronized at the neutral position as indicated by the neutral light circuit Tap positions are dis played from 16 to 16 corresponding to 16 Lower regulator bucking to 16 Raise regulator boosting respectively See the Control Features Tap Position section of this manual See Percent Regulation FC 112 13 Metering Instantaneous 013 Power Factor 0 NA NA NA NA NA X XXX This is the power factor of the primary circuit as represented by the phase difference between the line current and voltage Lagging current or inductive loads are designated by an implied sign and leading current or capacitive loads are designated by a sign Refer to Figures 5 1 and 5 2 Reverse Power Forward Power Lagging Leading o0 Unity E Unity A Leading Lagging Figure 5 1 Figure 5 2 Reverse power vector diagram Forward power vector diagram CL 6 Series Control Installation Operation and Maintenance
172. n is performed by the firmware and consequently the C T primary rating must be entered The C T primary rating is available on the regulator nameplate EXAMPLE A 7620 V 328A regulator 250 kVA would have a C T rating of 400 0 2 and therefore 400 is entered at FC 45 46 Settings Configuration 046 Demand Time 0 2 NA 15 0 0 5 60 0 Interval 15 0 Minutes This is the time period during which the demand integral is performed for all demand readings FC 20 FC 36 Demand readings are useful because they represent the values which produce actual heating effects in electrical equipment and they do not respond to the continuous fluctuations which occur on the line CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 55 TABLE 5 3 cont Function Codes Func Level 1 Code Main Menu Level 2 Sub Menu Level 3 Security Level Factory Parameter Key Entry Limit Setting Read Edit Reset Low High 47 Features Calibration 047 Voltage 0 3 NA See Note Calibration 110 0 Volts 110 0 130 0 The voltage which the control actually measures is displayed at FC 47 In the example given in FC 44 description FC 47 would indicate 125 1 V when FC 6 indicated 120 V To calibrate this value is compared to a reference voltmeter and if different is changed to display the correct va
173. n the control that provides processing algorithms and functionality to the hardware Firmware upgrades are supplied by the factory when revisions are necessary CF cards readily available at most major electronics retailers are widely accepted memory devices The CF card port was designed and tested with a SanDisk9 Type CompactFlash card Other manufacturers cards may work but performance was not evaluated When the controls save data to the CF card the files range in size from 20 to 90 KB depending on what is being saved While any size CF card may be used a standard 32 MB CF card is capable of storing hundreds of such files The compact flash card replaces the Cooper Power Systems Data Reader An external flash card reader writer is necessary to allow for the data to be imported into a computer Determine the appropriate type of reader writer available at most major electronics retailers for your computer s configuration CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 97 A Figure 7 2 Inserting compact flash card into port By inserting a CF card into the port the operator has the ability to easily transfer information to and from the con trol Use care when inserting the CF card into the card port do not attempt to force the card into position Align the card in the guide with the connector toward the control refer to Figure 7 2 When the
174. n the top of the tap changer or on the differential potential transformer located on the side channel inside the regulator tank When all the settings are set per the nameplate the regulator is in neutral and the system line voltage or load voltage matches what is stated on the nameplate the voltmeter test terminals on the control panel will read the value on the nameplate No Load Current When there is no load current reading at FC 9 Load Current Primary or any of the metering components requiring current as part of the calculation check the C switch on the back panel The switch should be open If the C is closed the current transformer is shorted and no current reading is available Regulator Will Not Tap Beyond a Certain Tap Position If the regulator will not tap beyond a certain tap position and the position indicator limit switches setting are at 16 raise and 16 lower check the Soft ADD AMP settings FC 175 Soft ADD AMP High Limit and FC 176 Soft ADD AMP Low Limit Control Calibration WARNING Explosion Hazard Verify that both the neutral light and the position indicator hand indicate neutral when the tap changer is physically in the neutral position Lack of synchronization will cause an indefinite indication of NEUTRAL Without both indications of neutral bypassing of the regulator at a later time will not be possible and the line must be de energized to avoid shorting part of the series winding Failur
175. need to be modified The sync time parameter defines a period of time that the control must idle before recognizing the start of a message The amount of sync time may need to be increased when the control is placed in a loop ring configuration with more than three controls refer to Figures 7 3 and 7 4 SYNC TIME M R D RECEIVE vessace MESSAGE TxD TRANSMIT DATA Figure 7 3 Message received at CL 6A control message is for the CL 6A control Protocols There are two protocols resident in the CL6 control 2179 and DNP3 While only one protocol can be selected for a single Com port at a time the two com ports can be set to different protocols Both of the protocols are highly configurable The 2179 ordinal points map is selected at FC 266 and the DNP3 data dictionary is selected at FC 267 By chang ing from the default CL6 control to either the CL5E or CL5D control the control will look just like a CL 5E or CL 5D control to a master station Therefore the master does not need to be upgraded unless some of the new functions not available in the older controls need to be accessed through remote communications A USER 2179 ordinal points map setting and a USER DNP3 data dictionary setting are also available These can be configured via remote communications including ProView NXG software This allows the user to create a map to match other existing equipment or optimize f
176. ng To provide the regulator with the capability to regulate at a projected load center the control has line drop compensation elements within it This circuitry usually consists of a current source CT which produces a current proportional to the load current and resistive R and reactive X elements through which this current flows As the load increases the resulting CT current flowing through these elements produces voltage drops which simulate the voltage drops on the primary line Within the control the input current is sampled and is used in a computer algorithm which calculates the respective resistive and reactive voltage drops based upon the line drop compensation values programmed into the control at FC 4 and FC 5 or FC 54 and FC 55 for reverse power flow conditions This is an accurate and economical means of developing the compensated volt age To select the proper R and X values the user must know several factors about the line being regulated Regulator Configuration The control is designed to operate on wye star connected and delta connected regulators Regulators connected line to ground wye develop potentials and currents suitable for direct implementation in the control Regulators connected line to line delta develop a potential to current phase shift which is dependent upon whether the regulator is defined as leading or lagging The phase shift must be known by the control to permit accurate calcu
177. ng left in the incorrect positions for their normal operation The utility chose the UserDefined LED to be the output of a PIO equation They used a standard equation with the logical OR operator Lastly they chose inputs as the Supervisory Switch On Inverted and the Control Status Switch Auto Remote Inverted Refer to Figure 7 5 Supervisory On gt Control Switch Auto Remote gt Figure 7 5 Logic Diagram for the I O Example Figure 7 6 Discrete Input and Output Connector User LED On 102 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Optical Pin 10 Isolation INPUT 1 L 11 INPUT 2 dy 12 INPUT 3 1 y t Pin 13 INPUT 4 Lj Panel 77 Power Single Row 14 Pi Connector QUO IO OD OS X D 2 3 4 5 6 n 8 9 0 4 re ak N Figure 7 7 Discrete I O connections Pin 1 gt Normally OPEN OUTPUT 1 Pin 2 gt Normally CLOSED Pin 3 MC XO gt Normally OPEN OUTPUT 2 Pin 4 Control Logic gt Normally CLOSED Pin 5 md NXOHMDXOM Y gt Normally OPEN OUTPUT 3
178. ns have the same meaning as described for FC 351 through 354 FC 357 through FC 360 apply to the loading and saving of standard and custom Basic Configuration settings Basic Configuration settings include all basic voltage regulation settings entered using the control key pad except for communications settings FC 361 through FC 364 apply to the loading and saving of standard and custom Advanced Feature Configuration settings Advanced Feature Configuration settings include settings for Histograms Alarm and Event Recorders Profile Data Programmable I O and Leader Follower FC 365 through FC 368 apply to loading and saving of standard and custom Communication Configuration settings Communication configuration settings include all settings involving communications A list of these settings can be found in Table 5 2 under Features Communications See the list of functions in Table 5 3 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 99 Communications Communicate with the CL6 control using ProView NXG software or protocols such as DNP3 or 2179 The ProView NXG software used with a PC can provide temporary local connection to the control Communication Ports There are three physical communications ports on the CL 6 control The communication port 1 is for use as a temporary local communication connection to the control Connection is made to Com1
179. ntrol cabinet on the back panel This transformer steps down the 240 Vac external supply to provide 120 Vac to the control panel Inside the CL6 control the neutral and ground are connected in several locations The 240 Vac external source must be completely isolated In most cases an isolation transformer is needed This isolation transformer must isolate both the neutral and line on the secondary side Also the neutral and ground on the secondary side should not be bonded or connected To check isolation from earth ground check the continuity of each lead on the isolation transformer with respect to ground G Check this before connecting the leads to the control panel See Figure 1 4 In this case the ground of the isolation transformer is connected to the green terminal post on the CL 6 series control In this configuration the only source of earth ground reference on the secondary side of the isolation transformer is through the control box connection to the isolation transformer ground CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 9 CL6 Panel Cooper supplied 2 1 Auto Transformer on Control Cabinet Back Panel 1 1 Isolation Transformer Neutral connected to ground at panel 240V External to shunt HV to LV Source faults leakage to Karth Ground Can t be Core may or may Earth Ground not To assure Isolation not be tied to Earth carrie
180. nu Sub Menu Parameter Read Edit Reset Setting Low High 103 Counters Operations 103 Current Month 0 NA 3 See Note NA NA Counter Operations XXXXX Date Time shown Operations since the beginning of current month updated on every tap change and reset when the clock s month changes Note This is reset to zero by pressing Edit Reset then Enter 104 Counters Operations 104 Last Month 0 NA 3 See Note NA NA Counter Operations XXXXX Date Time shown Operations in last calendar month if reset this field will remain zero until the month changes Note This is reset to zero by pressing Edit Reset then Enter 105 Counters Operations 105 Current Year 0 NA 3 See Note NA NA Counter Operations XXXXX Date Time shown Operations since January 151 of current year updated on every tap change and reset when the clock s year changes Note This is reset to zero by pressing Edit Reset then Enter 106 Counters Operations 106 Last Year 0 NA 3 See Note NA NA Counter Operations XXXXX Date Time shown Operations in last calendar year if reset this field will remain zero until the year changes Note This is reset to zero by pressing Edit Reset then Enter 107 Counters Operations 107 Enable Interval 0 3 NA Enabled NA NA Counter Counters Enabled e FC 107 is used for enabling FC 10
181. o the desired PT Ratio 3 Calculate the actual voltage at the output of the internal PT Internal PT Output Voltage Desired system voltage Selected Internal PT Ratio 4 Choose the RCT tap 133 127 120 115 110 104 closest to the internal PT output voltage 5 Given the RCT input tap use Table 3 3 to determine the RCT ratio 6 Calculate the control input voltage Control Input Voltage Internal PT Output Voltage RCT Ratio 7 Calculate the overall PT Ratio Overall PT Ratio Internal PT Ratio x RCT Ratio EXAMPLE If a 60 Hz 7620 V regulator is to be used on a system with a nominal voltage of 2500 V the following is determined 1 2500 V 120 V 20 8 2 Choose 20 1 for the internal PT ratio Internal output voltage 2500 V 20 125 V 4 Best RCT input tap is 127 5 RCT ratio is 1 058 6 Control input V 125 1 058 118 V This is within allowable range 7 Overall PT ratio 20 x 1 058 21 2 1 TABLE 3 3 RCT Ratios RCT Input Tap RCT Ratio 133 1 108 127 1 058 120 1 000 115 0 958 110 0 917 104 0 867 26 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Power Systems O 416 3 466 548 614 us 7620 13200Y io WA341B2006AF ser Q737XXXXXX STOCK ide 2075 iss Wu 4485 i Sit 210 SINGLE PHASE STEP VOLTAGE REGULATOR VR 32 55 65 C RISE 60HZ CLASS ONAN TYPE A
182. ode Bi directional Mode Neutral ldle Mode Cogeneration e Mode Reactive Bi directional 80 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com If automatic operation is blocked the fourth line displays one of the following blocking conditions Blocked Cntrl Switch Blocked Tap to Neutral Blocked TB8 4 amp 5 e Blocked Func Code 069 Blocked Rev Pwr Mode If the control is operating under Reverse Power Flow conditions and automatic tapping is not inhibited the LCD displays the following Load Current 200 Rev Current Threshold 2 Mode Bi directional Tap Position When the Tap Position key is pressed while the Soft ADD AMP feature On the LCD displays the following Tap Position 8 SOFT ADD AMP 12 14 P I ADD AMP 14 16 If the Soft ADD AMP feature On and the present tap position indicates that tap changer is at a limit the LCD displays the following Tap Position e At Limit SOFT ADD AMP 12 14 P I ADD AMP 14 16 If the Soft ADD AMP feature Off and the present tap position indicates that tap changer is at neutral the LCD displays the following Tap Position 0 P I ADD AMP 14 16 If the Soft ADD AMP feature Off and if the tap changer is at or beyond userconfigured Pl ADD AMP limits the LCD displays the following Tap Position 16 At Limit P I ADD
183. of the calculated secondary voltage at the load center since the last reset as a demand value accord ing to the demand time interval at FC 46 e The forward line drop compensation settings for resistance and reactance FC 4 and FC 5 are used in this calculation Date and time of the occurrence of the lowest compensated voltage is displayed 21 Metering Forward Demand 021 Fwd Compensated 0 NA NA NA NA NA Voltage Present XXX X Volts e This is the present value of the calculated secondary output voltage of the load center as a demand value according to the demand time interval at FC 46 e The forward line drop compensation settings for resistance and reactance FC 4 and FC 5 are used in this calculation 22 Metering Forward Demand 022 Forward Load 0 NA 1 NA NA NA Current High XXX X A Date Time shown e This is the highest value of the load current since last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the highest load current is displayed 22v Metering Forward Demand 022 Forward Load 0 NA 1 NA NA NA Current Low XXX X A Date Time shown e This is the lowest value of the load current since last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the lowest load current is displayed
184. ompact flash card Refer to the Advanced Features Compact Flash Card section of this manual 357 Features Compact 357 CF Load Custom NA 2 NA NA NA NA Flash Basic Config e This is acommand to load a custom Basic Configuration e See Flash Card Functions in the Advanced Control Features section of this manual for more information 358 Features Compact 358 CF Load NA 2 NA NA NA NA Flash Standard Basic Config e This is a command to load a Standard Basic Configuration e See Flash Card Functions in the Advanced Control Features section of this manual for more information 72 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter ttin Read Edit Reset Setting Low High 359 Features Compact 359 CF Save Custom NA 2 NA NA NA NA Flash Basic Config e This is acommand to save a Custom Basic Configuration See Flash Card Functions in the Advanced Control Features section of this manual for more information 360 Features Compact 360 CF Save NA 2 NA NA NA NA Flash Standard Basic C
185. on of the manual The control offers seven different response characteristics for reverse power detection and operation These characteristics are userselectable by programming the Reverse Sensing Mode FC 56 The seven modes are Locked Forward Locked Reverse Reverse Idle Bi directional Neutral Idle Cogeneration and Reactive Bi directional This section will separately explain each mode of operation Since the control retains the reverse metered demand values separate from the forward metered values the metering will also be explained for each mode In determining power direction the control senses the real component of the current except in reactive bi direc tional mode then determines the current direction and magnitude in that direction When the conditions indicate the power is flowing in reverse the following parameters assume new values and the control operation is affected accordingly Now sensed from what was previously the source voltage supply Load Voltage Source Voltage Now sensed from what was previously the load voltage supply In the forward direction the current is used directly as measured In the reverse direction the current is scaled to reflect the ratio difference between the source and load side of the regula tor according to this formula Load Current Forward Source Load Voltage Current Supply Reverse Load Current Load Voltage Supply
186. onfig This is a command to save a Standard Basic Configuration See Flash Card Functions in the Advanced Control Features section of this manual for more information 361 Features Compact 361 CF Load Custom NA 2 NA NA NA NA Flash AdvFeat Config This is a command to load a Custom Advanced Feature Configuration See Flash Card Functions in the Advanced Control Features section of this manual for more information 362 Features Compact 362 CF Load NA 2 NA NA NA NA Flash Standard AdvFeat Config This is a command to load a Standard Advanced Feature Configuration See Flash Card Functions in the Advanced Control Features section of this manual for more information 363 Features Compact 363 CF Save Custom NA 2 NA NA NA NA Flash AdvFeat Config e This is a command to save a Custom Advanced Feature Configuration See Flash Card Functions in the Advanced Control Features section of this manual for more information 364 Features Compact 364 CF Save NA 2 NA NA NA NA Flash Standard AdvFeat Config This is a command to save a Standard Advanced Feature Configuration See Flash Card Functions in the Advanced Control Features section of this manual for more information 365 Features Compact 365 CF Load Custom NA 2 NA NA NA NA Flash Comms Config This is a command to load a Custom Comms Configuration See Flash Card Functions in the Advanced Control Features section of this manual for more information 366 Features Compact 366 CF Load NA 2 NA NA NA
187. options are used when voltage is being regulated through SCADA Voltage Limiter operates in either the forward or reverse directions When the standard modes are enabled Voltage Limiter has one of the highest priorities of all operating functions and is overridden only when the control switch is set to Off or Manual when Auto Operation Blocking Status FC 69 is set to Blocked when an operator takes local control or through an interconnected SCADA system When the IVVC modes are used Voltage Limiter will take an even higher priority by operating to limit voltage at the set limits even when FC 69 is set to Blocked In addition it will limit SCADA tapping commands if the control voltage is either at a set limit or when the next tap change will take it over a limit The purpose of the Voltage Limiter is to protect the consumer from abnormally high or low voltages resulting from arge rapid changes in transmission voltage e Abnormal loading of the feeder elnaccurate regulator control settings voltage level bandwidth and line drop compensation e Heavy loading by the first customer while there is a leading power factor on the feeder eLight loading at the first customer with heavy loading on the feeder at the same time The appropriate high and low limits for the output voltage can be programmed into the control at FC 81 and FC 82 respectively The feature is then activated by accessing FC 80 and entering the desired operat
188. or their system as needed DNP3 related parameters including Class configuration and deadbands may also be configured through communications Programmable Input and Output Programmable Input and Output Programmable I O or PIO is a powerful tool since it provides the user with the means to configure general logic equations These logic equations can be used to perform discrete SCADA functions modify control function or add communications data points PIO can be configured via digital communications software including ProView NXG software PIO configuration is available via 2179 or DNP3 digital communications protocols To configure PIO the user first selects the output to be performed Then the logical form of the equation is chosen Standard AND OR logical operators may be used in the equation A more advanced user may also choose to add If Then If Else If Else If and Timerbased conditional forms within the programmable I O feature Lastly the inputs to the equation are chosen A total of eighteen different logical inputs may be included in one expression The inputs or outputs of the expression may be logically inverted SYNC TIME R D RECEIVE l DATA MESSAGE MESSAGE Figure 7 4 Message received at CL 6 control message is not for the CL 6 control 100 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Inputs and Outputs
189. or Lower position to complete a tap change the problem is in the hold switch circuit If the holding switch is not working a Quik Drive tap changer will do multiple taps until the tap change time out occurs C Check for voltage between TB HS and G and TB HS and G voltage is present at TB HS and not on TB HS the problem is in the back panel wiring harness Replace the orange HS lead from TB HS to TB HS If no voltage is present at TB HS the problem is in the control cable junction box cover or the hold switch located inside the regulator itself Check cable continuity up to the junction box If it appears normal the problem is the hold switch Adjust or replace it see Cooper Power Systems Service Information 5225 12 1 003 Quik Drive Voltage Regulator Tap Changer Manual and Service Information S225 10 19 Voltage Regulator Quik Drive T875 Tap Changer Switch Operating Maintenance Troubleshooting and Parts Replacement Instructions If all appears to be in order the problem is most likely in the control not in the holding switch Check FC 56 Reverse Sensing Mode When there is no load current and the regulator will not operate in automatic check the C switch on the back panel If the C switch is closed and FC 56 is set for Bi directional the regulator will not operate in auto matic The C switch should be open for normal operation Check FC 69 Auto Operation Blocking Status 1 Check the Auto Remote Manual swi
190. or a voltage at Vg to G if Vg is present This voltage will be 0 0 V when the regulator is in neutral The voltage will increase as the regulator is tapped up When the regulator is at 16 raise the voltage will be 11 5 to 12 Vac If there is no input voltage shown at FC 7 Source Voltage Secondary and the regulator has a differential transformer the problem could be in the control back panel connections control cable the junction box the junction box terminal board under the cover or the differential transformer If there is not a differential transformer on the regulator turn FC 39 to On to verify this indicator This will supply the calculated voltage signal causing the input voltage diagnostic error message to turn off Indication Messages When Using Edit Key The following indication messages can occur when using the Edit key Improper Security message will display while attempting an edit function when changes are disabled by the security system To enable enter a higher security code at FC 99 Security Code Function 99 Enter Security Code Enter Proceed with function code value and setting chang es Value Too Low means the function value entered is below the acceptable limit Value Too High means the function value entered is above the acceptable limit For more information refer to Indication Messages in the Control Programming section of this manual 108 CL 6 Series Control Installation
191. ort 2 DNP Data Dict CL 6 0 NA CL 6 NA NA The options include This allows the user to set the control to emulate different data dictionaries for different CL series Cooper Power Systems regula tor controls for Com Port 2 when using the DNP communications protocol Off e USER CL 5D CL 5E CL 6A CL 6A w Events CL 6 default 300 Diagnostics Maintenance 300 PMT Mode A 0 2 NA off NA NA State here The options include e The Preventive Maintenance Tapping PMT feature Mode A will automatically raise and lower the tap changer to wipe contact blades The PMT feature Mode A is turned off or on A Time Delay 7 Days Off 301 Diagnostics Maintenance 301 PMT Mode A 0 NA NA NA NA NA Countdown Delay 20 Days e This is the time remaining until the next PMT Mode A operation 302 Diagnostics Maintenance 302 PMT Mode 0 2 NA 7 1 99 e This is the user defined period of time between PMT Mode A operations 70 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Head Edit Reset Setting baw High 303 Diagnostics Maintenance 303 PMT Mode NA 2 NA NA N
192. osition This can be accomplished by doing the following A Place the CONTROL FUNCTION switch in the Off position WARNING Flashover Hazard Push the C shorting switch closed before attempting to remove the front panel Failure to comply can open the regulator CT circuit producing a flashover in the control causing personal injury and equipment damage VR T210 0 1 Push closed the current shorting switch C This shorts out the secondary of the regulator CT Note Regulators shipped with a quick disconnect cable contain a solid state CT monitoring circuit in the junction box This device automatically places a burden on the CT anytime the CT circuit is opened For consistency it is recommended that the CT shorting switch be used whenever it is present on the back panel 2 Pull open disconnect switch V1 and V6 if present This de energizes terminal board TB2 3 Disconnect the control from the back panel at TB2 located at the bottom of the back panel 4 Disconnect the control ground lead from the back panel The control can now be lifted off its hinges Care should be taken to prevent damage to a control while in transit and or storage WARNING Flashover Hazard Do not pull open the current shorting switch C until the TB2 connection is completed Failure to comply can open the regulator CT secondary and cause a flashover in the control causing personal injury and equipment damage VR T211 0 CL
193. ote Pulse Enter 072 Local Digital Reduction Value Function 72 Enter Edit Value Enter 073 Remote 1 Value Function 73 Enter Edit Value Enter 074 Remote 2 Value Function 74 Enter Edit Value Enter 075 Remote 3 Value Function 75 Enter Edit Value Enter 076 of Pulse Reduction Steps Function 76 Enter Edit Value Enter 077 96 of Voltage Red Per Function 77 Enter Edit Value Enter Pulse Step Required for Voltage Limit Mode 080 Voltage Limit Mode Function 80 Enter Edit Scroll Off High Limit Only High Low Limits Enter 081 High Voltage Limit Function 81 Enter Edit Value Enter 082 Low Voltage Limit Function 82 Enter Edit Value Enter 24 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Programming and Reconfiguring for Different Voltage Systems Reconfiguring regulators requires more than just reprogramming the control In reconfiguring refer to the nameplate and if necessary change the connection of the ratio correcting transformers RCTs on the back panel see Figure 3 1 In some cases it may be necessary to reconnect the tap windings in the regulator via the hand hole cover Refer to the nameplate for information on programming and reconfiguring a regulator confirm Regulator Configuration FC 41 System Line Voltage FC 43 and Overall PT Ratio FC 44 Refer to Allowable System Voltages and Calculation of Overall PT Ratio and D
194. ould take the output voltage closer to the limit If the voltage is directly on the inner edge of the grey zone the control will allow one tap change to permit the voltage to enter the grey zone by as much as 0 7 V Voltage Reduction An ideal application for system load management is at the distribution voltage regulator Voltage reduction capabilities within the regulator control permit it to trigger the regulator to reduce voltage during situations where power demands surpass the available capacity and where there are extraordinary peak loads The control offers three modes of voltage reduction Local Digital Remote analog Remote Latch and analog Remote Pulse All modes operate for forward or reverse power flow conditions For further information on the Local Digital Remote mode see below Analog Remote Latch and Remote Pulse are discussed in the Analog SCADA section starting later in this section of this manual All voltage reduction modes of the control work by calculating an effective set voltage as follows Effective Set Voltage Set Voltage x 1 reduction Example If the set voltage 123 V and voltage reduction of 4 696 is active the regulator will regulate the compensated voltage to 1173 V that is tap down 5 7 V When any mode of voltage reduction is in effect the Voltage Reduction indicator is turned on Voltage reduction occurs after time out as established by the time delay FC 3 or FC 53 and the Control O
195. ous voltage When trouble shooting energized equipment protective gear must be worn to avoid personal contact with energized parts Failure to comply can cause serious injury or death VR T213 0 When using the CL6 control with a Cooper Power Systems regulator refer to Cooper Power Systems Service Information S225 10 30 VR 32 Voltage Regulator with Quik Drive Tap Changer Installation Operation and Maintenance Instructions for additional information on the regulator operation and maintenance External Check Examine the power connections first For example verify that the load lead is connected to the source bushing and that the source load lead is connected to the source load bushing Check for other potential problems such as an open ground connection Defining the Problem Determine which of the following categories best describes the malfunction and follow the corresponding steps Refer to the Appendix Figures 10 1 through 10 4 while diagnosing the problem Note Parameter options accessed via menu or function code are shown in bold Settings of front panel switches are shown in bold Keypad directions are shown as follows press keys as shown in bold enter numbers as shown in talics Control Panel Troubleshooting No Power Check the 6 A motor fuse on the control front panel Remove the fuse from the control and check for continu ity across the fuse Spare fuses are shipped with each control and are located
196. perating Mode FC 42 The percent reduction in effect is displayed at FC 71 Local Digital Remote Mode Voltage reduction can be performed by selecting the Local Digital Remote mode of operation at FC 70 and then entering into FC 72 the amount of reduction required as a percentage of the set voltage To turn voltage reduction off set FC 70 to Off or set FC 72 to 096 Soft ADD AMP Feature This feature FC 79 allows the user to set the regulator for the Soft ADD AMP feature locally at the control as well as remotely through SCADA The Soft ADD AMP limits can be overridden by a local operator running the tap changer in manual mode of operation This is not the case for the hard ADD AMP limit switches on the position indicator face The Soft ADD AMP feature can be overridden via digital SCADA if the ADD AMP mode is set to Remote Override In addition to using to the standard Soft ADD AMP setting using FC 79 Adaptive ADD AMP is available as an advance control feature It allows the control to sense system and voltage regulator conditions and turn on the Soft ADD AMP feature in reaction to specified conditions Adaptive ADD AMP is controlled by the Programmable Input and Output PIO capabilities of the CL6 control which are described in more detail in the Advanced Control Features Section of this manual Supervisory Control and Data Acquisition SCADA With its tap changer potential transformer and current transformer the reg
197. peration the POWER switch will be set on Internal and the CONTROL FUNCTION switch will be placed on Auto The regulator is assumed energized from the primary circuit If the sequential mode of operation the standard mode is selected the control response on Cooper Power Systems voltage regulator is as follows 1 As the primary voltage moves to a level which repre sents an out of band condition the sensing voltage will correspondingly reflect the same results on the 120 V base Assuming the voltage dropped low a lower than normal signal will appear at the printed circuit board input terminals 2 The signal is transformed and converted into a digital format for use by the microprocessor 3 The microprocessor recognizing the voltage condi tion as low and out of band issues an output which activates the Out of Band Low indicator and starts an internal timer which is equivalent to the time delay setting 4 During the time out period the voltage is continually sensed and sampled Should the voltage momentarily move into band the Out of Band Low indicator is deactivated and the timer is reset 5 At the end of the time delay period the microproces sor issues an output which causes the RAISE triac to be activated 6 The tap changer motor begins to turn as a result of triac closure and a cam on the tap changer closes the RAISE holding switch This now provides an alter nate source for the motor current which passes throug
198. pow ered up either by internal or external power check these input points as follows TB NL located on the bottom terminal board on the control assembly back panel If there in no voltage and there is voltage at TB4 NL the problem is in the connections in the wiring har ness on the back panel If there is voltage on TB2 NL and no neutral light the problem is in the control panel e TB NL located on the top terminal board on the control assembly back panel If there is no voltage the problem can be in the con nection at this terminal point the control cable the connection in the junction box or inside the regulator JBB NL located on the terminal board inside the junction box and TCB NL located on the tap changer If there is no voltage the problem is inside the regulator either with connection point JBB NL under the cover assembly connection TCB NL on the tap changer neutral light switch or the neutral light actuator segments No Input Voltage The No Input Voltage message occurs when no input voltage is sensed or it cannot be calculated The input voltage is the source voltage from a differential or source potential transformer or a calculated value The voltage calculation is enabled when FC 39 Source Voltage Calculation is set to On the regulator type is properly set at FC 140 and the tap position is know When this message is indicated and the regulator has a differential transformer check f
199. power outage or power reversal no demands are calculated This allows the utility system to stabilize from the event which created the outage or power reversal 2 At 3 minutes the present demands for the appropriate power direction are set 10 their corresponding instantaneous value and the integration algorithm begins according to the programmed demand interval at FC 46 3 At 15 minutes or at the demand time interval whichever is longer the high low demand values begin to track the present demand similar to drag hands All demand values are calculated continuously and if a change has occurred the high low demands are stored in the non volatile memory every 15 minutes This prevents loss of data during a power interruption or outage Notice that the provisions are made to reset any demand value by itself via the change reset key or all demand values can be reset simultaneously by entering FC 38 High and low values will be set to their corresponding present demand value and the dates and times will be set to the present date time Two conditions can cause the present demands to be invalid The power has just been applied within the 3 minute freeze period or the power flow has changed direction If the control is metering in the forward direction the reverse present demands will be invalid if metering in the reverse direction the forward present demands will be invalid 100 90 t O 1T
200. r FC 39 is turned on The Vi Mode is selected when an external source is supplied by the user to provide the source voltage for the Mode CL 6 control See the Control Features Source Side Voltage section of this manual 150 Features Calibration 150 Reset 0 3 NA NA NA NA Calibration e This is acommand When Enter key is pressed a CONFIRM message is displayed on the fourth line of LCD When Enter key is pressed again voltage and current calibration factors are reset 151 Settings Calendar 1 151 Daylight Savings 0 3 NA Time Enable Off e This function enables daylight savings time to function Options include Off On 152 Settings Clock 152 Daylight Savings 0 NA NA NA NA NA Time Active No e This function displays if daylight savings time is currently active Yes or No 160 Features Communications 160 Com Port 2 0 2 NA DNP NA NA Protocol DNP e This function defines which resident protocol of the control will be used on Communications Port 2 options include DNP 02179 See the Control Features Digital SCADA section of this manual 66 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes
201. r displaying dashes Func Level 1 Level 2 Level 3 Security Level Factory Key Entry Limit Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 1254 Metering Instantaneous 125 Energy kW hour 0 NA 1 See NA NA Reverse Note XXXX X kW h This is the total reverse energy measured in kilowatt hours Note This is reset to zero by pressing Edit Reset then Enter and when the Date Time is changed 126 Metering Instantaneous 126 Energy kvar hour 0 NA 1 NA NA NA Forward XXXX X kvar h This is the total forward energy measured in kvar 126v Metering Instantaneous 126 Energy kvar hour 0 NA 1 NA NA NA Reverse XXXX X kvar h This is the total reverse energy measured in kvar 127 Metering Forward Demand 127 Maximum Boost 0 NA 1 NA NA NA XX X Date Time shown This is the highest percentage that the regulator has raised the input voltage since last reset This parameter is the upper drag hand value for the present percent regulation FC 12 The control requires an input voltage from a differential or source potential transformer to obtain this parameter Lack of this volt 128 Metering Forward Demand 128 Maximum Buck XX X Date Time shown NA NA NA NA This is the highest percentage that the regulator has lowered the input v This parameter is the lower drag hand va The control requires an input voltage from a differential or source poten
202. r of steps of pulsed reduction up to 10 is programmed at FC 76 The percent reduction per step is programmed at FC 77 Starting at zero percent reduction every time the contact 1 is pulsed one step of reduction is added to the accumulated total EXAMPLE If the number of steps is 3 and the percent per step is 1 596 four successive pulses of voltage reduction will cause the following percentages of reduction 1 5 3 0 4 5 and 0 Pulsing to one step higher than the programmed number returns the reduction to zero Also any time VR input 2 is pulsed the reduction returns to zero O O O Figure 6 13 Dry contact connections for remote latching and pulse mode Input 1 O O O e Q C2 125 to Terminal G Figure 6 14 Whet contact connections for remote latching and pulse modes Tap to Neutral When activated the tap to neutral feature will automatically take the voltage regulator to the neutral position and then block automatic operation until the feature is disengaged By default to activate the tap to neutral feature FC 170 is set to On and 120 is applied to discrete input 3 The setting at FC 170 enables or disables the tap to neutral function The Programmable Input Output tap to neutral turns on or off the feature By default a PIO equation has been written so that disc
203. r setup parameter 3 98 32123 20000 32766 Read reset or change any parameter 30 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Basic Control Operations Set Voltage The set voltage is the voltage level to which the control will regulate on the 120 V base Since the control per forms ratio correction in the firmware this value will normally be set for 120 0 V unless it is desired to operate at a voltage level higher or lower than nominal For proper operation the ratio correcting transformer locat ed on the back panel of the control enclosure must also be set for the correct tap as shown by the regulator nameplate Bandwidth The bandwidth is defined as that total voltage range around the voltage setting which the control will con sider as a satisfied condition As an example a 2 V band width on a 120 V setting means the operational timer will not activate until the voltage is below 119 V or above 121 V When the voltage is in band the band edge indicators are off and the timer time delay is off Selection of a small bandwidth will cause more tap changes to occur but will provide a more tightly regulated line Conversely a larger bandwidth results in fewer tap changes but at the expense of better regulation Selection of the band width and time delay settings should be made recogniz ing the interdependence of these two parameters T
204. ram and read Level 3 parameters To display a parameter on the LCD via a function code FC press Function key in the function code FC number then press Enter For security certain parameters as noted in Table 4 1 can only be accessed via the function code method Also certain parameters and data such as alarms custom logic histograms and profiler data can only be accessed using ProView NXG interface software See Table 5 2 for a list of the functions grouped by menu level and Table 5 3 for a numerical listing of function codes CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 15 Comp Load Number Keys Load Voltage Voltage Current Diag nostics Edit Key Metering PLUS Figure 1 4 Fully numeric scrollable keypad with Metering PLUS Short Cut Keys There are two types of short cut keys which access spe cific locations within the nested menu structure Keys 1 4 support the Metering PLUS feature which vides with one touch commonly requested diagnostic data see Figures 1 3 and 1 4 Keys 5 9 and 0 support Level 1 menu items press keys 5 9 and 0 and the asso ciated Level 2 menu items will display in the LCD The Metering PLUS data includes Compensated Voltage Load Voltage Load Current and Tap Position refer to the Advanced Features Metering PLUS section of this manual for more informa
205. ramming to reset to present demand values Note Go to FC 141 to change the language setting CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 23 TABLE 3 1 Programming for Basic Operations Function Description Instructions Code 99 Security Function Function 99 Enter Password 32123 default Enter 1 Forward Set Voltage Function 1 Enter Edit Value Enter 2 Forward Bandwidth Function 2 Enter Edit Value Enter 3 Forward Time Delay Function 3 Enter Edit Value Enter 4 Forward Line Drop Comp Resistance Function 4 Enter Edit Value Enter 5 Forward Line Drop Comp Reactance Function 5 Enter Edit Value Enter 40 Regulator Identification Function 40 Enter Edit D number Enter 41 Regulator Configuration Function 41 Enter Edit Scroll Wye Delta Lagging Delta Leading Enter 42 Control Operating Mode Function 42 Enter Edit Scroll Sequential Time Integrating Voltage Averaging Enter 43 System Line Voltage Function 43 Enter Edit Value Enter 44 Overall PT Ratio Function 44 Enter Edit Value Enter 45 C T Primary Rating Function 45 Enter Edit Value Enter 46 Demand Time Interval Function 46 Enter Edit Value Enter 49 Tap Changer Type Function 49 Enter Edit Scrol
206. ration handling or maintenance can result in death severe personal injury and equipment damage G101 0 A WARNING This equipment is not intended to protect human life Follow all locally approved procedures and safety practices when installing or operating this equipment Failure to comply can result in death severe personal injury and equipment damage G102 1 A WARNING Power distribution and transmission equipment must be properly selected for the intended application It must be installed and serviced by competent personnel who have been trained and understand proper safety procedures These instructions are written for such personnel and are not a substitute for adequate training and experience in safety procedures Failure to properly select install or maintain power distribution and transmission equipment can result in death severe personal injury and equipment damage G122 3 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com PRODUCT INFORMATION Introduction This document describes the operation and maintenance instructions for the CL 6 Series Control for Eaton s Cooper Power Systems voltage regulators Refer to Eaton s Cooper Power Systems Service Information S225 10 30 VR 32 Voltage Regulator with Quik Drive Tap Changer Installation Operation and Maintenance Instructions for installation and operation information on the Eaton s Cooper Power Systems
207. ration can be altered by pressing Edit keying in the correct voltage as dis played on the reference meter and pressing Enter The voltage circuit is now calibrated Current Calibration 1 Connect an accurate true RMS responding ammeter in series with the current source 2 Connect a stable 60 50 Hz current source with less than 596 harmonic content to the reference ammeter and to the current input terminals C4 and C4 on fanning strip TB2 is identified by a red wire and C4 is identified as the green wire Io power the control connect a 120 Vac voltage source to the EXTERNAL SOURCE terminals Place the power switch on External Adjust the current source to provide 0 200 A to the control as read on the reference ammeter Before calibration can be performed Security Level 3 must be activated by entering the proper security code at FC 99 Security Code Function 99 Enter 32123 default Enter The proper level is now activated 7 Access FC 48 Current Calibration 8 Function Z8 Enter The display will show the current applied to the control This should correspond to the reading on the reference ammeter If the control reading is significantly different greater than 0 6 mA error the calibration can be altered by pressing Edit then entering the correct current as displayed on the reference meter followed by Enter The current circuit 15 now calibrated 112 CL 6 Series Control Installa
208. re the voltage that the control reports on the display to the voltage measured at the test terminals Note Field calibration checks are only an indication of calibra tion and are not as precise as the procedure described in the Troubleshooting section of this manual 1 Connect an accurate true RMS responding voltmeter to the voltmeter terminals 2 Use the keypad to access FC 47 parameter Key in FUNCTION 47 ENTER Or access via the menu Features gt Calibration gt Voltage Calibration 3 Under ideal conditions the displayed voltage of the control will match the voltage of the voltmeter Realistically the voltages may be slightly different because The metering and operation is based upon the RMS value of the fundamental power line fre quency Thus the metered values exclude the influences of harmonic voltages which are proba bly present on the line A true RMS meter how ever will include these harmonic voltages in its calculations of the RMS voltage This does not present a problem with either metering device since each device uses a different approach to metering B The calibration of the voltmeter being used for measurement is probably not exact Even a very good meter with a basic accuracy of 0 596 could be in error by as much as 0 6 V out of 120 V and still be considered to be in calibration The control is calibrated using a conditioned power supply and reference voltmeters which are periodically
209. rectly e The present tap position value will go to invalid if the present tap position is O zero neutral but no neutral signal is detected For example this condition will occur if a replacement control with present tap position set to O is installed on a regulator which is not in the neutral position e f the TPI function detects a successful upward tap and the prior value of FC 12 was 16 or a successful downward tap is detected and the prior value of FC 12 was 16 the prior value will be maintained The display will show a diagnostic error message upon power up when 1 the present tap position value prior to powerup is invalid and the regulator is not in neutral position 2 The present tap position prior to powerup is 0 and the regulator is not in the neutral position This condition will cause the present tap position value to go to invalid and 3 During automatic or manual operation the present tap position changes to 0 but a neutral signal is not received The No Neutral Sync signal is an attention signal not a failure signal The TPI will satisfy the diagnostics routine upon power up when 1 The regulator is in neutral and the present tap position is 0 2 The present tap position is not 0 and the regulator is not in neutral including when the tap position is not set correctly and 3 When the regulator is in neutral and the present tap position is not O TPI will self co
210. rete input 3 activates the PIO tap to neutral feature For additional information on PIO see Programmable Input and Output in the Advanced Control Features section of this manual CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 91 Remote Motor Control and Auto Inhibit Note Terminal board located below RCT on the control back panel is supplied for userconnections for Auto Inhibit blocking and Motor Control See Figure 6 15 When the motor is controlled remotely it is necessary to inhibit automatic operation To control Auto Inhibit remotely remove the jumper between terminals 4 and 5 and supply a nominal 120 Vac to terminal 5 This will inhibit automatic operation To remotely raise or lower the tap changer the appropriate set of contacts is momentarily closed If user provided interposing relays are used such that raise and lower contact closure cannot occur simultaneously the operator should make a permanent connection from TB9 Vg to 2 e peine 6 from Pin 14 Port Raise Lower is ele oves Rear Panel Figure 6 15 Auto inhibit and remote motor control connections For Units Supplied with TB5 Back Panel after October 2010 When the motor is controlled remotely it is necessary to inhibit automatic operation To control Auto Inhibit remotely supply
211. reverse line drop compensation settings FC 54 and FC 55 when the fixed 1 reverse metering threshold is exceeded The Reverse Power indicator turns on when this reverse threshold is crossed The forward line drop compensation settings FC 4 and FC 5 are used when the current exceeds the fixed 1 forward metering threshold The demand values acquired during reverse power flow are stored as reverse metered data but the values are not scaled to reflect the other side of the regulator since the operating direction of the regulator never truly reverses Reverse Forward Normal Forward Metering Rev Pwr Off Reverse Metering with Reverse LDC Rev Pwr On 1 0 1 Current Level Figure 6 10 Cogeneration metering OPERATION Figure 6 11 The control always operates in the forward direction The control will operate in the forward direction but will use the reverse settings for line drop compensation when the real component of the current is above the fixed 1 reverse metering threshold The control will continue to use the reverse line drop compensation settings until the real component of the current is above the fixed 1 forward metering threshold The operational timer time delay is not reset on any transitions between the application of forward and reverse line drop compensation settings Reverse Operations with Reverse LDC Reverse LDC 1 lt Forward Operations with Forward L
212. ries Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 2 cont Function Menu Level 1 Main Menu Level 2 Sub Menu Parameter Code Metering cont Forward Demand cont Power Factor at Max Forward kVA 023 Power Factor at Min Forward kVA 023 Forward kVA Load High 024 Forward kVA Load Low 024 Forward kVA Load Present 024 Forward kW Load High 025 Forward kW Load Low 025 Forward kW Load Present 025 Forward kvar Load High 026 Forward kvar Load Low 026 Forward kvar Load Present 026 Maximum Tap Position 027 Maximum Boost 127 Minimum Tap Position 028 Maximum Buck 128 Forward Source Voltage High 029 Forward Source Voltage Low 029 Forward Source Voltage Present 029 Reverse Demand Reverse Load Voltage High 030 Reverse Load Voltage Low 030 Reverse Load Voltage Present 030 Rev Compensated Voltage High 031 Rev Compensated Voltage Low 031 Rev Compensated Voltage Present 031 Reverse Load Current High 032 Reverse Load Current Low 032 Reverse Load Current Present 032 Power Factor at Max Reverse kVA 033 Power Factor at Min Reverse kVA 033 Reverse kVA Load High 034 Reverse kVA Load Low 034 Reverse kVA Load Present 034 Reverse kW Load High 035 Reverse kW Load Low 035 Reverse kW Load Present 035 Reverse kvar Load High 036 Reverse kvar Load Low 036 Reverse kvar Load Present 036 Reverse Source Volta
213. rmation 1 Open V1 and V6 if present knife switch es located on back panel of control enclosure 2 Place POWER switch in Off position and CONTROL FUNCTION switch in Off position 3 Connect a variable 120 Vac 50 60 Hz source to EXTERNAL SOURCE terminals Controls wired for an external source of 220 240 Vac have a decal specify ing 240 at the terminals Verify proper polarity 4 Place POWER switch in External position 5 Move CONTROL FUNCTION switch to Manual press and hold Raise Lower momentary toggle switch Allow tap changer to operate to 8 L the 596 buck position Verify tap position indication TPI is registering properly by pressing Tap Position key 6 Raise and hold the Raise Lower momentary toggle switch Allow tap changer to operate to 8 R the 596 boost position 7 Place CONTROL FUNCTION switch in the Auto Remote position 8 Increase variable voltage source until applied voltage is out of band Note that the Out of Band High LED on the front panel will come on After the time delay period control will issue a lowertap change signal Verify tap position indication TPI is registering prop erly by pressing Tap Position key and comparing the reading to the tap position indicator on the regula tor junction box 9 Decrease variable voltage source until applied voltage is out of band Note that the Out of Band Low LED on the front panel will come on After the time delay period control will issue a ra
214. rrect and reset the tap position Source Side Voltage Without a source voltage input some functions will indicate dashes when displayed There are three methods for supplying a source side voltage to the Cl 6 control a differential potential transformer PT an external source side PT or source side voltage calculation Differential Voltage The regulator may be designed and ordered with an internal differential potential transformer IDPT This is noted by the schematic on the voltage regulator nameplate A differential PT supplies the voltage difference between the source and load bushings of the voltage regulator This differential voltage is then combined with the load voltage to provide the source side voltage When using an IDPT on a Cooper Power Systems voltage regulator the source voltage accuracy is within x 196 External Source Voltage An external source side PT may be connected to the voltage regulator to supply a directly measured source voltage To use an external source side PT the user must change Vin PT Configuration FC 146 from the default Vdiff Mode to Vin Mode Using an external source side PT may be desirable if the voltage regulators are in a closed delta configuration In a closed delta the source voltage and percent regulation will only reflect the true system source values if an external source voltage is used Voltage regulator performance is not affected by the difference between metering parameter
215. s 30 Metering Reverse 030 Reverse Load 0 NA 1 NA NA NA Demand Voltage High XXX X Volts Date Time shown e This is the maximum value of the secondary output voltage of the regulator during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the highest load voltage is displayed e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes Metering Reverse 030 Reverse Load 0 NA 1 NA NA NA Demand Voltage Low XXX X Volts Date Time shown e This is the minimum value of the secondary output voltage of the regulator during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the lowest load voltage is displayed e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes Metering Reverse 030 Reverse Load 0 NA NA NA NA NA Demand Voltage Present XXX X Volts This is the present value of the
216. s displayed on the fourth line of the LCD If the command is in progress and is aborted the ESC key a LOADING ABORTED message is displayed on the fourth line of the LCD Format Compact Flash Card FC 355 The Format Compact Flash Card function effectively erases all data on a CF card and prepares the card for use in the CI 6 series control card that has not been for matted for use on the CI 6 control may not work on the control i e cards used to store digital photos etc After inserting a CF card access FC 355 Press Enter The control LCD will display CONFIRM Press Enter again to confirm The Flash Card Active LED will illuminate the LCD will display FORMATTING and the control will format the CF card Upon completion the control will display FORMATTING COMPLETE The CF card may be removed after this message is displayed If the command is completed with errors FORMATTING FAILED message is displayed on the fourth line of the LCD If the command is in progress and is aborted via the ESC key a FORMATTING ABORTED message is dis played on the fourth line of the LCD Other Compact Flash Card Functions There are several other Compact Flash Card Functions available using FC 357 through FC 368 Each of the functions allows for saving or loading subsets of control and communications settings either as standard or custom operations The load and save functions along with the standard and custom configuratio
217. s is the sensing circuit supplying voltage from the output of RCT on the rear panel If this voltage is more than 1096 above or below the programmed voltage level setting of the control then the source is beyond the range of the regulator An absence of voltage would indi cate a wiring problem such as an open somewhere in the control power supply If these checks are correct per form the following 1 f the control will not operate automatically verify that the band edge indicators are functioning These are the Out of Band High and Out of Band Low indicators located on the front panel If they are not functioning check FC 56 Reverse Sensing Mode Set it to Locked Forward if it is not there already Retry the automatic mode of operation 2 Verify that 69 Auto Blocking is set to Normal Retry the automatic mode of operation 3 Measure the voltage from Vs to G on lower terminal board A measurement of approximately the set voltage value at Vg to G indicates that the problem is in the control B f there is no voltage present at Vg to G the trou ble is in the V4 disconnect or the ratio correcting transformer of the back panel circuit Replace them 4 Check the hold switch circuit A Verify that the tap changer will complete a tap change by placing the CONTROL FUNCTION switch to Manual and toggling the Raise Lower switch in the desired direction B f the Raise Lower switch must be held in the Raise
218. s voltage will result in the parameter displaying dashes 35V Metering Reverse Demand 035 Reverse 0 NA 1 NA NA NA kW Load Low XXXX X kW Date Time shown e This is the lowest value of the load kW during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 e Date and time of the occurrence of the lowest kW load is displayed The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 35V Metering Reverse Demand 035 Reverse 0 NA NA NA NA NA kW Load Present XXXX X kW e This is the present value of the load kW during reverse power flow as a demand value according to the demand time interval at FC 46 e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 36 Metering Reverse Demand 036 Reverse 0 NA T NA NA NA kvar Load High XXXX X kvar Date Time shown This is the highest value of the load kvar during reverse power flow since last reset as a demand value according to th demand time interval at FC 46 e Date and
219. s when using an external source PT the accuracy of the source voltage is dependent upon the accuracy of the PT Source Side Voltage Calculation The CL6 control has the ability to calculate the source side voltage without a series winding PT or an external PT When this feature is turned on the control will use the load voltage from the main PT the regulator type Type A Type B Type or Type the tap position and the internal impedance of the regulator to calculate the source side voltage This calculated source voltage is within x 1 596 of actual Only the regulator type needs to be programmed into the control The other values are already available to the control CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 83 Reverse Power Operation Most voltage regulators are installed in circuits with well defined power flow from source to load However some circuits have interconnections or loops in which the direction of power flow through the regulator may change For optimum utility system performance a regulator installed on such a circuit should have the capability of detecting reverse power flow and of sensing and controlling the voltage regardless of the power flow direction The control has full reverse power capabilities For fully automatic reverse operation the source voltage must be available to the control Refer to Source Side Voltage in this secti
220. se of existing power facilities or claims against the purchaser or user by its customers resulting from the use of the information recom mendations and descriptions contained herein The information contained in this manual is subject to change without notice 2 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Contents SAFETY INFORMATION Safety 5 5 Hazard Statement Definitions 5 PRODUCT INFORMATION BtrodUctlOne eu s eret Reb EAE 6 Acceptance and Initial Inspection 6 Handling and Storage 6 Standards cg EAE ORAE AES 6 Quality Standards s ss ERR Rd 6 Description sod ble edu Nut en 6 SECTION 1 CONTROL PANEL Lower Panel Grey i ver ebbe ess 8 Power cesso ee RR HE ER 8 Control Function Switch 8 Manual Raise Lower Switch 8 Supervisory 8 Drag Hand Reset Switch 8 Neutral Eight mes E Rr nem ets 8 Voltmeter 8 8 External Source 8 Connecting Power to External Source Terminals 9 240 Vac Applications to Cooper 240 V Control 9 240 Vac Applications to Cooper 120 V Control 11 120 Vac Applications to Cooper 120 V Control
221. see Figure 7 10 Time 100 80 Of Total 272827 73 o000000000000000001 000000000 ETETETT T T T ETTET 16 14 12 10 8 6 4 2 2 4 6 8 10 12 14 16 L R Total Time 0 17 hrs Figure 7 10 Sample TIME ON TAP bar graph Under 118 0 to 118 4 to 118 8 to 119 2 119 6 to 120 0 to 120 4 120 8to 121 2 to 121 6 to Over 118 0 118 4 118 8 119 2 119 6 120 0 120 4 121 8 121 2 121 6 122 2 122 0 Figure 7 8 Histogram sampling bins example CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 105 Preventive Maintenance Tapping Preventive Maintenance Tapping PMT will automati cally operate the tap changer based upon user configured parameters Under certain operating conditions and load tap changer contacts can become susceptible to coking The PMT feature will operate the tap changer to wipe the contact blades and prevent build up of carbon There are two different types of preventive maintenance tapping available PMT Mode A and PMT Mode B PMT Mode A When enabled the control monitors tap position and if it stays on any single tap position for a userdefined period of time Time Delay FC 302 the control will auto matically raise the tap changer one position lower the tap changer two positions and then raise the tap chang er one position When PM
222. t the input source terminals of the regulator e Since ratio correction is performed by the firmware this parameter is scaled according to the inputs at FC 43 System Line Voltage and FC 44 Overall PT Ratio e During forward power operation the control requires source voltage from a differential or source potential transformer or from the Source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 8 Metering Instantaneous 008 Compensated 0 Volt Secondary XXX X Volts This is the calculated voltage at the center of regulation referred to the secondary This is based on the resistive compensation setting FC 4 or FC 54 reactive compensation setting FC 5 or FC 55 and the load current This is the voltage that the regulator is regulating during either forward or reverse power flow During reverse power operation the control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes NA NA NA NA NA 9 Metering 009 Load Current 0 Primary Instantaneous NA NA NA NA NA XXX X A e This is the fundamental RMS current flowing in the primary circuit e This parameter is scaled according to the CT primary rating which is entered at FC 45 e During reverse power operation th
223. tch The switch should be on Auto Remote 2 Verify that FC 69 is set to Normal To check the FC 69 setting Function 69 Enter 3 11 not on Normal and resetting is blocked by the security feature enter the security code via the key pad to change the blocking status A Function 99 Enter 32723 default Enter B Function 69 Enter C Edit Reset Scroll to Normal Enter Check FC 170 Tap to Neutral 1 Verify that FC 170 is set to Off To check the FC 170 setting Function 170 Enter 2 If on Normal and resetting is blocked by the security feature enter the security code via the keypad to change the blocking status A Function 99 Enter 72727 default Enter B Function 70 Enter C Edit Reset Scroll to Off Enter 110 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Testing with the Voltage Limiter ON and a Limit Value Set CAUTION Equipment Damage Be mindful of polarity when using an external source Polarity reversal will result in control damage VR T2010 When testing a regulator with external power it is recommended that FC 80 Voltage Limiter Mode be set to Off When testing in the auto mode with the voltage limiter on there may be problems getting the regulator to oper ate in either raise or lower direction if the external volt age is greater than the voltage limit settings No Band Indicators If
224. the voltage goes in band the timer is decremented at the rate of 1 1 seconds for every second elapsed until it reaches zero Voltage Averaging Mode When the load voltage goes out of band the time delay circuit is activated During this time delay period the microprocessor monitors and averages the instantaneous load voltage It then computes the number of tap changes required to bring the average voltage back to the set voltage level When the time delay period is complete the computed number of tap changes are performed without any delay between them up to a maximum of five consecutive tap changes to avoid an accumulative error The timer is not reset on voltage excursions in band unless the voltage stays in band for at least ten continuous seconds An erroraveraging characteristic is inherent with the voltage averaging mode Note To permit sufficient time for the microprocessor to aver age the voltage the time delay period must be 30 sec onds or longer If the time delay is set for less than 30 seconds the control ignores the setting and uses 30 seconds System Line Voltage The control performs ratio correction in the firmware and consequently the primary voltage must be entered for the control to perform this calculation This value is simply the nominal single phase voltage supplied across the L and SL terminals Regulators shipped from the factory are set for the voltage indicated by the pin on the nameplate and this
225. the voltmeter still connected to TB R to G give a lower signal 6 The voltmeter should read a capacitive voltage This voltage could be somewhere between 60 and 90 Vac 7 A voltage reading on TB R to G of 0 V or a mV reading is a sign of a bad capacitor 8 To double check place the voltmeter lead on TB4 L to G 9 Use the Raise Lower switch and give a Lower signal 10 The voltmeter reading should approximate the set voltage 11 With the voltmeter still connected to TB L to G give a Raise signal 12 The voltmeter should read a capacitive voltage This voltage could be somewhere between 60 and 90 Vac 13 A voltage reading on TB L to G of 0 V or a mV reading is a sign of a bad capacitor 14 11 both the raise and lower circuit reads 0 V or a mV reading when there should be a capacitive voltage then the motor capacitor is open The capacitor will need to be replaced Operation Counter Does Not Indicate Tap Change If the operation counter does not indicate tap changes check the following 1 The voltage signal at and should be approximately 120 Vac when a tap change is made When this voltage signal is applied the control panel operation counter will be updated 2 Measure the voltage at TB2 R5 or L4 when the tap changer is given a command to tap in manual mode by the Raise Lower toggle switch If the voltage signal is present the problem is either in the control connector or the con
226. this from the Main Menu Level 1 With the cur sor selecting Turn Display Off in the main menu press the Enter key and the LCD display will turn off To turn on the LCD display press any button in the keypad Alarms Use the nested menu to access the lists of acknowl edged and unacknowledged system alarms No security code is needed to display an alarm a security code is needed to acknowledge an alarm e Alarms Events gt Alarms Active Unacknowledged This displays a list of active unacknowledged sys tem alarms e Alarms Events gt Alarms Active Acknowledged This displays a list of active acknowledged system alarms This section covers Alarm displays for more informa tion see the Advanced Features Alarms section of this manual 76 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com If there are no unacknowledged active alarms available the LCD displays the following message No Unacknowledged Active Alarms If there are no acknowledged active alarms available the LCD displays the following message No Acknowledged Active Alarms An actual alarm display example follows System Alarm 41 is Active 01 14 2004 11 35 58a MORE Status Alarms The status alarms include the following Supervisory Active Reverse Power Flow No Input Voltage Detected No Output Voltage Detected e T
227. ti age will result in the parameter displaying dashes oltage since last reset ue for the present percent regulation FC 12 al transformer to obtain this parameter Lack of this volt 140 Settings Configuration 140 Regulator Type Type B NA See Note NA NA No te The regulator type is included on Cooper Power Systems nameplates Regulator type defines the regulator type based on ANSI standards Options include Type A series design Type B inverted design Type C series transformer design Series TX is listed on nameplate Used on Cooper Power Systems voltage regulator with voltage rating of 2 5 kV and current ratings above 875 A ype D series auto transformer design Series AX is listed on nameplate Used on Cooper Power Systems voltage regulators with voltage rating of 5 0 kV and 7 62 kV and current rating above 875 A 141 Settings Menu System 141 Language Selection English 0 NA English NA NA English Spanish French This setting allows the user to select the language to display Options include Portuguese CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com 65 TABLE 5 3 cont Function Codes Securi
228. tic with RS 232 Interface Board In this configuration a pair of standard ST type fiberoptic connectors and an RS 232 port are mounted on the interface board to provide the customer connection to digital SCADA via multi mode fiberoptic cables or a standard 9 pin DB 9 RS 232 cable Communication settings are easily changed with the use of DIP switches or through the ProView NXG software package The fiberoptic connections are used for fiber looping fiber loop or fiber star with other controllers The RS 232 interface provides for primary external communication with the control In the event where multiple controls are being interconnected only one device requires connection to the RS 232 port while the remaining devices communicate through the fiberoptic connections See Figure 9 1 for sample connection diagrams Figure 9 1 Fiber optic with RS 232 Interface Board Ethernet Interface Board In this configuration an RJ 45 and ST fiber connectors are mounted to the interface board These provide the customer with digital SCADA via standard cat 5 cable or multimode fiber RS 485 Interface Board In this configuration RS 485 twisted pair terminals are mounted on the interface board to provide the customer connection to digital SCADA via a twisted pair RS 485 connection Heater Assembly A thermostatically controlled heater assembly is available for use in high humidity areas The thermostat in the heater assembly will turn th
229. time of the occurrence of the highest kvar load is displayed e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 52 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com TABLE 5 3 cont Function Codes Security Level Key Entry Limit Func Level 1 Level 2 Level 3 Factory 2 Code Main Menu Sub Menu Parameter Read Edit Reset Setting Low High 36V Metering Reverse Demand 036 Reverse 0 NA 1 NA NA NA kvar Load Low XXXX X kvar Date Time shown This is the lowest value of the load kvar during reverse power flow since last reset as a demand value according to the demand time interval at FC 46 Date and time of the occurrence of the lowest kvar load is displayed The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 36V Metering Reverse Demand 036 Reverse kvar NA NA NA NA NA NA Load Present XXXX X kvar This is the present value of the load kvar during reverse power flow as a demand value according to the
230. tion The Level 1 menu items include Settings Features Counters Metering Alarms Events occurrences and Diagnostics Scroll Keys Use the scrolling arrows to move the cursor between items within a menu level location For example within the Level 2 submenu for Metering the arrows will scroll the cursor through Instantaneous Forward Demand Reverse Demand and Master Reset and then return to Instantaneous The Enter and Escape keys are used to enter the menu structure or move between menu levels Enter is used to access submenus Escape is used to step back or exit submenus Repeated pressing of the Escape key will return the display screen to the level one main menu A deeply nested level location necessitates a greater number of depressions Note Only four line items appear on the display at one time Moving the cursor down from the fourth line will shift the line items up one item at a time 16 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com Alarm Indicators Alarm Warning c User Defined GB Diagnostic Error Communication Indicators Com 1 Port Figure 1 5 Alarm and communication indicators and Com 1 Port Status Indicators 68 Voltage Limiter High High Out Of Band Low Voltage Limiter Low tapping Blocked Cc Reverse Power C Voltage Reduction Flash Card Active ww
231. tion Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com SECTION 9 CONTROL ACCESSORIES The CL 6 voltage regulator control has several accessory features available Accessories available include commu nications software and hardware a heater assembly and a PC to dataport cable Communications Software ProView NXG Software Cooper Power System ProView NXG software was developed as an advanced package to configure program and acquire data from CL6 series voltage regulator controls ProView NXG allows the user to Create control settings Upload control settings Download control settings Provide output of settings and readings Manage settings and readings effectively ProView NXG software is fully compatible with the Microsoft Windows 95 or later operating system with Microsoft windows NT Workstation Version 4 0 or later operating system and the Microsoft Windows XP operating system Both readings and settings are stored as convenient Microsoft Excel XLS format files to allow use of the data by other applications without awkward conversions ProView NXG software is a userfriendly graphically oriented program that is easy to use and understand On line help and a complete user manual help make the program one of the most comprehensive in the industry The software is designed for configuration of the regulator control using Data 2179 and DNP3 protocols Hardware Fiber op
232. tions It will display either Active or Inactive 402 Features Leader 402 LoopShare Comms 0 2 NA COM3 NA NA Follower Port This is the Port LoopShare is using The options are e 2 403 Features Leader 403 LoopShare Comms 0 2 NA Passive NA NA Follower Table Assignment e This is the device in the LoopShare Table The options include e Device 1 e Device2 Device 3 Passive 404 Features Leader 404 LoopShare Comms 0 2 NA 0 0 10000 Follower Tx Delay XXXXX mSec This is the delay between the time a device receives an updated LFDT and when the device passes it along 405 Features Leader 405 LoopShare Comms 0 2 NA 3 1 60 Follower Timeout XX seconds LoopShare timeout time 410 Features Leader 410 Leader Follower 0 2 NA Off NA NA Follower Off This will turn On or Off Leader Follower The options include On Off 411 Features Leader 411 Leader Follower NA 2 NA NA NA NA Follower State Active e This is the state of the Leader Follower function It will display either Active Inactive Ready or Not Ready 413 Features Leader 413 Leader Follower 0 2 NA Follower NA NA Follower Designation 1 Follower 1 This is the Leader Follower table designation The options include e Leader Follower 1 Follower 2 414 Features Leader 414 Follower Devices 0 2 NA One 1 2 Follower Configured One e The number of Follower devices 415 Features Leader 415 Leader Follower 0 2 NA 0 0 10000 Follower Tap Wait Timer e The l
233. to modify basic configuration settings enabling Auto Restore Local will allow the control to revert control settings modified through SCADA communications back to the original settings programmed into the control With ARLH the settings will revert when a heartbeat signal is lost or discontinued For ARLC the settings will revert when a communications signal is lost The settings that are affected by ARL are the same as those listed for Alternate Configurations When either ARL function is active FC 451 will display Active For more information on setting up ARL with SCADA communications contact your Cooper Power Systems representative Programmable Input Output Alternate Configurations settings can be enabled using PI O In order to enable Alternate configuration settings using PI O the Alternate Configuration setting FC 450 must be set to Equations must then be created using CCI software which program the conditions under which Alternate Configuration settings will become active When Alternate Configuration settings are active due to logic the status at FC 451 will display Active For more information on enabling Alternate Configuration settings using contact your Cooper Power Systems representative Transducer Connections Refer to Figure 10 4 To monitor the load voltage forward direction a transducer nominal 120 Vac input may be connected as follows Connect the transducer hot
234. trol 3 If the voltage signal is not present at TB2 R or Lg the problem could be in the back panel wiring harness connections at TB R or Ly the control cable junction box connections or the holding switch on the tap changer 4 Check the voltage signal at TB4 R or L4 If the signal is not present at these points keep tracing the signal back through the components back into the regulator CL 6 Series Control Installation Operation and Maintenance Instructions 5225 1121 July 2013 www cooperpower com 109 Tap Position Out of Sync If the control loses sync with the position indicators check FC 12 Present Tap Position then check FC 49 Tap Changer Type against the nameplate on the regula tor The nameplate indicates what type of tap changer is on the Cooper Power Systems regulator FC 49 must be set for the type of tap changer Spring Drive Direct Drive OD8 005 If the control is on a competitors regulator FC 49 should be set for the manufacturers name Regulator Will Not Tap Beyond a Certain Tap Position If the regulator will not tap beyond a certain tap position check the limit switch settings on the position indicator If the limits need to be adjusted adjust upper and lower limits to allow proper regulation The Regulator Operates Manually but Operates Incorrectly When Set On Automatic Run the regulator to the neutral position with the control Switch Check for voltage between V4 and G on TB Thi
235. ty Level Key Entry Limit Func Level 1 Level 2 Level 3 Factory z Code Main Menu Sub Menu Parameter Read Edit Reset Setting LOW High 142 Counters Menu System 142 Date Format 0 2 NA MM DD NA NA MM DD YYYY e This setting allows the user to select how the date format will be displayed Options include MM DD YYYY DD MM YYYY YYYY MM DD 143 Counters Menu System 143 Time Format 0 2 NA 12 NA NA Hour 12 Hour AM PM e This setting allows the user to select whether time will be displayed on the 12 hour or the 24 hour scale Options include e 12 Hour AM PM 24 Hour 144 Settings Configuration 144 ADD AMP 0 2 16 High Limit 16 e The physical location of the high P I limit of the position indicator as set by the user is entered by the user operator here The allowable values are 16 14 12 10 or 8 145 Settings Configuration 145 P I ADD AMP 0 2 16 NA NA Low Limit 16 The physical location of the low PI limit of the position indicator as set by the user is entered by the user operator here The allowable values are 16 14 12 10 or 8 146 Settings Configuration 146 Vin P T 0 2 NA Vdiff NA NA Configuration Mode Vdiff Mode This defines the configuration of the PT for the source side voltage Options include Vin Mode The Mode is used when the regulator is provided with an internal differential PT or if the Source Voltage Calculato
236. uik Start Set Up for Basic Regulation Function Description Instructions Code Security 099 Security Function 99 Enter Password 32123 Enter Forward Settings 001 Forward Set Voltage Function 1 Enter Edit Value Enter 002 Forward Bandwidth Function 2 Enter Edit Value Enter 003 Forward Time Delay Function 3 Enter Edit Value Enter 004 Forward Line Drip Comp Resistance Function 4 Enter Edit Value Enter 005 Forward Line Drip Comp Reactance Function 5 Enter Edit Value Enter Reverse Settings 056 Reverse Sensing Mode Function 56 Enter Scroll Locked Forward Locked Reverse Reverse Idle Bi Directional Neutral Idle Co generation React Bi directional Enter 039 Source Voltage Calculation Function 39 Enter Edit Scroll On or Off Enter 140 Regulator Type Function 140 Enter Edit Scroll Type A Type B Type C Type D Enter 051 Reverse Set Voltage Function 51 Enter Edit Value Enter 052 Reverse Bandwidth Function 52 Enter Edit Value Enter 053 Reverse Time Delay Function 53 Enter Edit Value Enter 054 Reverse Line Drip Comp Resistance Function 54 Enter Edit Value Enter 055 Reverse Line Drip Comp Reactance Function 55 Enter Edit Value Enter Configurations 041 Regulator Configuration Function 41 Enter Edit Scroll Wye Delta Lag Delta Lead Enter 042 Control Operation Mode Function 42 Enter Edit Scroll Sequential Time Integrating
237. ulator is a likely candidate for a Supervisory Control and Data Acquisition system where the utility needs to have centralized voltage control for peak shaving energy conservation or other purposes Regulators can be connected to Analog SCADA systems where the regulator is controlled by contact closure and the feedback is via a voltage transducer connected to the voltage sensing circuit of the regulator control The CL 6 control has a number of features which allow it to function well on these types of systems For details see Analog SCADA in this section The CL6 control is also capable of real time digital two way communication For details see Digital SCADA in this section The control is also well suited to the user who does not have a SCADA system but does have a need for detailed information about the bus or feeder loading For details see Data Retrieval and Settings Upload Data Retrieval and Settings Uploading The Com 1 port of the CL 6 control is a DB9 style RS 232 port located on the front of the control It allows for temporary connection to a PC Using ProView NXG software the connection allows the user to reset all metering and tap position maximum and minimum values upload settings which are specific to the control I D number and view data The entire control database may be downloaded Analysis of the data allows the user to verify the control settings and analyze the conditions of the feeder as follows
238. unctions the user can use Issue Test FC 328 Duty Cycle Monitor The Duty Cycle Monitor calculates the amount of life used for each arcing surface contact on the voltage regu lator Quik Drive tap changer The control uses the meter ing values such as current voltage power factor and tap position and a detailed data on the internal design of the voltage regulator to calculate the interrupting current and recovery voltage This is then related to the test data for the appropriate Quik Drive tap changer The Duty Cycle Monitor functions only on voltage regulators with a Quik Drive tap changer FC 333 displays the worstcase value of life used expressed as a percentage to the third decimal point This value may be used to generate two different Data Alarms The first DCM Data Alarm is intended to be con figured to that maintenance may be scheduled The sug gested setting is 7596 The second Data Alarm is intend ed to be set at a higher level suggested setting of 9096 to notify the user that a service outage due to contact falure may be imminent For more information on Alarms see Alarms in this section of the manual A detailed percentage of life used for each arcing contact is available ProView NXG software When replacing a control on an existing voltage regulator ProView NXG software must be used to enable and configure the Duty Cycle Monitor feature Configuration values programmed in the software for the specific voltage re
239. und power distribution equipment s trained in the care and use of protective equipment such as flash clothing safety glasses face shield hard hat rubber gloves clampstick hotstick etc Following is important safety information For safe installation and operation of this equipment be sure to read and understand all cautions and warnings Hazard Statement Definitions This manual may contain four types of hazard statements A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING Indicates a hazardous situation which if not avoided could result In death or serious injury A CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury CAUTION Indicates a hazardous situation which if not avoided could result in equipment damage only Safety instructions Following are general caution and warning statements that apply to this equipment Additional statements related to specific tasks and procedures are located throughout the manual A DANGER Hazardous voltage Contact with hazardous voltage will cause death or severe personal injury Follow all locally approved safety procedures when working around high and low voltage lines and equipment G103 3 A WARNING Before installing operating maintaining or testing this equipment carefully read and understand the contents of this manual Improper ope
240. urity level required to change or reset each parameter is listed in Table 4 1 The security access codes for levels 1 2 and 3 have been programmed into the control at the factory These codes may be changed by the user accord ing to Table 4 1 Access into the system is accomplished by entering the appropriate security code at FC 99 The user has the option of overriding inhibiting one or more levels of security by choosing the appropriate Security Override Code at FC 92 Choices at FC 92 are standard security mode no override override level 1 override levels 2 and 1 and override levels 3 2 and 1 The values of the three security codes FC 96 FC 97 and FC 98 may be read only at level 3 If the level 3 code has been changed and forgotten it may be retrieved with a compact flash card or a personal computer using ProView NXG software Table 4 1 Security Codes Security Level Accessible at Factory Programmed User Definable Functions Available at the Active Code Function Code Code Range 0 No Code Required No Code Required No Code Required Read all parameters except security FC 96 FC 97 amp FC 98 1 96 1234 1 9999 Read all parameters as described above and reset all demand metering and tap position maximum and minimum values and date times 2 97 12121 10000 19999 Read all parameters as described above reset all demand meter and tap position maximum and minimum values and date times and change any operational o
241. value is programmed into the control If the regulator is installed on any other system voltage this system voltage must be entered for proper operation Potential Transformer Ratio Since the control performs ratio correction in the firmware the PT ratio for the voltage sensing supply must be entered for the control to perform this calculation The ratio to be programmed in the control is the OVERALL PT RATIO as shown on the regulator nameplate for every applicable system voltage for the particular regulator The PT ratio which corresponds to the regulator s rated voltage is set by the factory If the regulator is installed on any other system voltage the corresponding PT ratio must also be entered for proper operation This value includes the correction performed by the ratio correcting transformer RCT on the back panel of the control enclosure The voltage from the RCT is normally corrected to 120 V However when this voltage is other than 120 V the control will calibrate the input voltage to a 120 V base and 120 V will be displayed at FC 6 The voltage test terminals will continue to show the voltage as applied to the control from the RCT Current Transformer Primary Rating The control is designed for 200 mA full scale as the rated CT current and will meter to 400 mA 20096 load with no loss of accuracy Ratio correction is performed by the firmware and consequently the CT primary rating must be entered The CT primary r
242. voltage of the regulator since last reset as a demand value according to the demand time interval at FC 46 Date and time of the occurrence of the highest source voltage is displayed The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 294 Metering Forward 029 Forward Source 0 NA 1 NA NA NA Demand Voltage Low XXX X Volts Date Time shown This is the minimum source voltage of the regulator since last reset as a demand value according to the demand time interval at FC 46 Date and time of the occurrence of the lowest source voltage is displayed The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashes 294 Metering Forward 029 Forward Source 0 NA NA NA NA NA Demand Voltage Present XXX X Volts e This is the present value of the source voltage as a demand value according to the demand time interval at FC 46 e The control requires source voltage from a differential or source potential transformer or from the source voltage calculation see FC 39 to obtain this parameter Lack of this voltage will result in the parameter displaying dashe
243. would have 7200 entered at FC 43 Example A regulator installed open or closed delta on an 11000 V system line to line would have 11000 entered at FC 43 Note Ratio correction is performed by the firmware and consequently the system line voltage rating must be entered The line voltage rating is available on the regulator nameplate and is summarized in Tables 10 1 and 10 2 for most regulator ratings 44 Settings Configuration 044 Overall 0 2 NA See Note 10 0 300 0 Ratio 20 0 The control is designed to operate on primary system voltages from 1200 V to 36000 V Ratio correction is performed by the firmware and consequently the overall potential transformer PT ratio must be entered for this calculation Note The overall PT ratio is available on the regulator nameplate and is summarized in Tables 10 1 and 10 2 for most regulator rat ings Example A 13800 V regulator installed on a 7970 V system would have 7970 entered at FC 43 and 63 7 entered at FC 44 The control will then define the 125 1 V output from the back panel ratio correction transformer as the 120 base voltage and 120 V is displayed at FC 6 45 Settings Configuration 045 C T Primary 0 2 NA 100 25 2000 Rating 100 Amps The control is designed for a 200 mA as the rated current transformer C T output current and will meter to 400 mA 200 load with no loss of accuracy Ratio correctio
244. ww cooperpower com TB2 NL TB1 NL 123 CURRENT TRANSFORMER v TOROIDAL COIL i n CARN LOAD BUSHING XXY wy Opsushine TAPPED ma SERIES ry y 134 4 WINDING je amp c2 5 BB C1 CT INPUT Sao COUPLER Y Y ij YAS 1J4 3 i TB3 C GROUND LOCATED ___ON BACK PANEL SD1 ERMINAL BLOCk i 1 4 REMOVABLE 7820 TEST d eme ACCESSORIES TB3 03 TB3 C3 _ PS TAPS LOCATED ON TAP CHANGER 10 TERMINAL BOARD UNDER OIL i 5 INTERNAL E3 SOURCE 6 a 12 DF Differential Voltage Fuse E i DHR Drag Hand Rese JBB S2 EST External Source Terminals t G Y g HSL Holding Switch Lower HSR Holding Switch Raise CONTROL IRS Indicator Reset Solenoid Position Indicator WINDING JB Junction Box on the Regulator A Cover ma TB3 V1 JBB Junction Box Terminal Board on the Cover LLS Lower Limit Switch Position Indicator PD LES Lower Logic Switch Tap Changer 4 TB3 VS LSS Lower Safety Switch MC Motor Capacitor MF Motor Fuse MOV Metal Oxide Varistor MR Motor Resistor TB3 133 NL Neutral Light REMOVABLE NLC Neutral Light Capacitor FOR NLS Neutral Light Switch ACCESSO
245. y the value at the regulator not on any one feeder To determine the total three phase value of any one of these parameters each regulator value must be divided by 1 732 before adding the three together 32 CL 6 Series Control Installation Operation and Maintenance Instructions 5225 11 1 July 2013 www cooperpower com SECTION 5 CONTROL PROGRAMMING Use the front keypad to program the control A Quik Start setup is given for programming for basic regulation Refer to the Control Front Panel section of this manual for information on using the front panel Note After turning on the control and the LCD displays PASS press Escape for further keypad use Control functions with corresponding control function codes are accessed via the keypad The menu system 15 structured with a main menu Level 1 a sub menu Level 2 and parameters Level 3 These parameters and other text information are displayed on the LCD screen Refer to Table 5 2 for the three level nested menu of functions and parameters Refer to Table 5 3 for a numerical listing of Function Codes and corresponding menu and parameter information Multiple menu items with the same function code are allowed the first menu item listed is then the main func tion called up when that function code is entered at the keypad Access multiple menu items within the same function code with the scrolling keys Quik Start Setup Refer to Table 5 1 for a quick start up

S225-11-1 CL-6 Series Control Installation

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