Home

Power Factor Controller NC-12 USER`S MANUAL

1. 16 i ie CO MOU 18 5 C Ol ori uuu En eee cee 19 5 4 1 Commissioning 19 5 4 2 List Of 20 5 5 Auto Setup of a a raras rasrrrsssrsssrsss ssa 21 5 6 Manual Setup of Parameters cma i e cves tid cma Ue 22 Meac uroment UT T mm mm 24 5 3 Parame u u xuma 26 5 9 Alarms WI CMU 29 5 10 Maintenance 31 Os SC O NOT 33 6 1 SIS DOING OOO FANS ERE 33 6 2 Manual calculation of response 36 6 3 High voltage application 12 38 JO S 40 7 1 External Temperature 40 7 2 Controller Communication nennen nnn nnns 40 36 IR iu sn um 41 Os echiicalespeciiGOlloa NET 44 KOSS K90033 Version V0 9992 uloo Isdeu MMM sulgjs S 1 MOd 1seeunow Ag Power Factor Controller NC 12 USER S MANUAL 161204 JKY 1 General 1 1 Safety The following p
2. 9 9 9 9 161204 JKY Action to do Enter the parameter settings manually using Parameters menu Rerun the commissioning sequence Check wiring CT condition of capacitor steps 15 step Check the condition and sizes of steps Check the contactors and step wiring Check the condition and sizes of steps and contactors Use manual setup to confirm or correct the information obtained by autosetup Check the wiring of voltage and current inputs Check the Wiring setting from Parameters menu Check the Number of Steps setting Check the number of steps in the bank and the condition of steps Check Step Sequence setting Check step sizes used in the bank Check the response value used Check the size of 1 step in the bank Disconnected bank disables Verify and Search functions and Alarm with shutdown text will be shown in the Verify Search result screen 20 uloo Isdeu MMM sulejs S JOMOd 1seeunow Ag pepri oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY 5 5 Auto Setup of Parameters The auto setup sequence is intended for inexperienced users so they can commission the bank with minimal prior knowledge The user need only input three of the most common parameters and then launch an automatic search for the other parameters Auto setup forces application setting to 4 q
3. Power Factor Controller NC 12 USER S MANUAL 161204 JKY 6 2 Manual calculation of response value Normally the response value more generally known as the C K value is set automatically as a part of the Auto Setup sequence but there are cases when these values must be entered manually The correct value can be calculated using an equation requiring the 15 step size in vars line to line voltage of the network used in volts and the CT ratio as follows _ 1 5 0 x43 where size of 1 step in vars Ui line to line voltage in volts CT ratio alternative 1 1A Alternatively the C K value can be taken from the table below valid for 400 V networks CT n1 n2 60 80 100 120 160 200 300 400 500 60011 00 300 400 500 600 800 1000 1500 2000 2500 3000 5 D et gt 180140 1 MAL LLL LO 0 3 018 0 15 0 11 02102201804 OTT 1 E 0 33 0 27 0 22 0 17 0 13 0 360 29 026008 04012020 045038930029 018 O12 _ 054043036027 022 N 68 0 54 045034 27 018 o4 0 72 0 58 0 48 0 36 0 29 0 19 0 14 0 12 0 10 090072060045 028 924 018 914 0 72 0 54 0 43 0 29 0 22 0 17 0 14 j G j 05841 0 961 j 02270181 1 08 0 81 0 65 0 43 0 32 0 26 0 222 11 80 1 44 1 2010 90 0 72 0 48 0 36 0 29 0 241 1 73 1 44 1 08 0 87 0 58 0 43 0 35 0 29 11 8011 35 1 08
4. XX __ _ XTX Table 3 Circular A program Operation sequence 1 1 1 gt lt gt lt gt lt 5 m gt gt gt gt MN s 8 p gt lt gt d e xxx T LLL pepe LT e X X Table 4 Circular B program Operation sequence 1 2 2 Comparison between normal and optimal program Normal program will reach the cos target value by successive connection disconnection of capacitors corresponding to the smallest step value Optimal program will reach the target cos value by successive connection disconnection of capacitors corresponding to the highest relevant and available step value 34 uloo Isdeu MMM sulgjs S 1 MOd 1seeunow Ag pepri oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY Optimal Stepping Programm Uncompensated reactive power Compensated reactive power 4 step sizes 1 2 4 4 Connection of steps 4 Ind a Elo ur ciscscbstoqevciwsscs m Stepson Sepon 4 4 4 1 4 Disconnection of steps 4 Normal Stepping Programm 1 Step sizes 1 2 4 4 Ind V Cap Steps mu 4 2 Steps 4 4 4 4 1 4 a Figure 17 Regulation example Optimal vs Normal 35 WOO ISdeuU MMM sulejs g 1seeunow AG
5. gers I C D 2 LJ SA No Yes Error messages Result screen Browse AG Browse 4 Taken into service wm rm mm EE E I l Il lI ll ll lI IL Ill ll ll Figure 10 Commissioning 19 uloo Isdeu MMM sulejs g 1seeunow AG 4 Power Factor Controller NC 12 5 4 2 List of errors What to do in case of error Error codes can help you to identify a problem and make corrections USER S MANUAL Unstable network The controller is unable to verify search parameters due to excessive load variations on the network Step size too small The effect of the 1 step cannot be measured CT oversized wrong wiring inoperative steps Sequence not found Step ratio does not match available step sequences Step size too large The ratio of measured step compared with the 15 step is too large Step sequence cannot be resolved Non relevant autosetup process with this bank configuration Reserved Wiring verify error Controller wiring not correct Step count verify error The Number of Steps setting is incorrect Step sequence verify error The step size ratios differ from the selected step sequence C K value verify error 9
6. on the same line phase as voltage measurement For LN wiring Voltage setting should be L1 N and Current setting should be L1 Voltage LL Line Line CT normally on the remaining phase normally phase L1 For LL wiring Voltage setting should be L2 L3 and Current setting should be L1 Separated inputs exist for measurement voltage U and and supply voltage OV and 110V 230V 400V The controller can automatically correct incorrect measurement connection when Auto Setup is selected from the main menu External temperature sensor can be installed close to the devices to be watched and connected to inputs T1 and T2 The cable used needs to be certified to national requirements relevant to controller installation voltage Alternative target cos can be controlled by using external relay contact connected between inputs o1 o2 The cable used needs to be certified to national requirements relevant to controller installation voltage Caution For application in HV network look first at chapter 6 3 Control switch switches the power to the controller In ambient temperature of 60 C the temperature class of connection wires must be at least 80 C Notes on installation A switch or circuit breaker shall be included in the building installation It shall be in close proximity to the equipment and within easy reach of the operator It shall be marked as the disconnecting device for the equipment An eq
7. Choose Next uloo Isdeu MMM Adjust a Input Voltage EH OONN 4 Wiring 90 Previous ort Choose Next a M o Target Cos P N Previous djust Next Adjust 4 Delays e 4 Step Program ene GO 0e qali Step Setup Ies Next Cancel Accept Ready Figure 9 Bank pre configuration 18 sulejs g 1seeunow AG PeplAdid Power Factor Controller NC 12 USER S MANUAL 161204 JKY 5 4 Commissioning 5 4 1 Commissioning sequence A pre configured controller is put into service by this menu The sequence contains an automatic C K value detection and and automatic parameter verification to check that the manually entered parameters comply with the network See Glossary chapter 8 for parameter definitions NOTE HAI The use of Commissioning menu is forbidden on HV network applications because verification switches all steps on and off W mc xcmcm ma m s 2 232 7E U CNCE 3 2 2 CN EON RECHNER m s s R RONCHCE UR CN ENU Code Lock DA Language lw P b 2 um x 9 Transformers Previous Choose Next o Target Cos P TUM Previous ont Next
8. T rget cos Target cos o value 1 normally used 0 8ind 1 00 0 9cap Target cos value 2 selected by control input 0 8ind 1 00 0 9cap Current Transformer setting xxx 5 or xxx 1 25 1 25 5 1000 5 6000 1 6000 5 Example CT phase L1 Current connected to phase 1 Detected in Auto Setup and Auto seek checked with verify function See also Installation chapter 2 L1 41 uloo Isdeu MMM sulejs S JOMOd 1seeunow Ag pepri oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY Display Description Min value Default Max value information value CT POLARITY Current polarity selections AUTO Wiring DIRECT direct connection REVERSE inverted connection AUTO automatic polarity controller identifies polarity in 2 quadrant applications disabled in 4 quadrant uin HUS Disconnection of steps in case of alarm ON OFF ON 9 Alarm Paras OFF 2 10 EAT External temperature Present only if external temperature sensor connected Restore Factory Settings F Fan temperature offset adjustable 0 C 20 C 50 C Temp Limits Fan switch on limit is offset degrees lower than temperature limit M Fou apos Demand cd ON GB A I OFF In search seek and verify functions a fixed automatic step is always skipped
9. 4 Verify MAW User Break No Yes Error messages Result screen Browse G Browse AG Taken into service Figure 12 Manual setup of parameters 23 uloo Isdeu MMM sulejs g 1seeunow AG Power Factor Controller NC 12 USER S MANUAL 161204 JKY 5 7 Measurement Menu The measurement menu contains the most common measurements taken from the network This is a read only menu only the selection on some displayed measurements is possible Startup after commissioning Ora MANUAL SETUP T COS 0 98 AUTO SETUP uu HE SUREHEHT5 i 1 8 345 E 173 Silii PARAMETERS Te MEUS MEAS OQ OVERVIEW Alarm List ALANE LI a S ver Temperature THOU F1 Previous harmonic peg F2 THOU Next harmonic Reset alarms Alarm log Alarm Log CURRENT 2 Hunting 4 4Low Voltage 3 8 0ver Temperature 2 4Low Voltage POWER 14Low Voltage TEMPERATURE STEP USAGE A Previous screen E 9 N Next screen Figure 13 Measurement menu Measurement Explanations Item Description List of detected alarms A Active alarm Log of 5 latest alarms Alarm log be cleared using Clear Alarm Log function in Maintenance menu i
10. 0 72 0 54 0 43 0 36 1L80 144 0 96 0 72 058 0 48 Table 5 C K values for 400 V network 8 lt 9 d O o 0 4 6 O gt WIN S ol oololro L amp E So NIA NI 00 P e NI N 57 IN O gt mk 9 a e o1olo1o1010 O01C wo On CO E N l C N C1 N C1 N NO Co N NO EN Oo CO 1 O N QOO N 0 90 1 44 to N 5 The reactive power between limits corresponding to response value is adjusted by successive connections or disconnections of steps 36 uloo Isdeu MMM sulgjs S 1 MOd 1seeunow Ag Power Factor Controller NC 12 USER S MANUAL 161204 JKY Effect of one step Uncompensated power Inductive C K Compensated power Capacitive C K Target cos ti Capacitive P Inductive C K A Inductive target Capacitive target COS Q COS Q uloo Isdeu MMM sulejs g 1seeunow AG pe
11. 2 Controller Info F Temp limits 7 Step Usage 2 Clear Stats Alarm Log Clr Alarm Log Bank Test Factory Config Figure 16 Maintenance menu Maintenance explanations Screen ltem Description Serial number Software version Power on hours 161204 JKY aX Browse steps Clear all step info Clear current step info Return to menu Cancel Accept Display for temperature alarm limit Fan offset setting fan limit alarm limit offset Display for fan temperature limit If external temperature sensor is installed fan is controlled by external temperature Connections of steps usage hours display and possibility of clearing Clear step statistics and alarm log Log of 5 latest alarms Clear alarm log Each step is automatically connected and disconnected in turn This facilitates testing of the operation of each capacitor step contactor To be used only for testing offline capacitors Do not use on HV network applications Restore controller factory settings 32 uloo Isdeu MMM sulejs g 1seeunow AG Power Factor Controller NC 12 USER S MANUAL 161204 JKY 6 Miscellaneous 6 1 Stepping programs The controller s algorithm will try to reach the target cos inside a tolera
12. Calculate using a formula or get from C K value table Detected in Auto Setup and Auto seek or manually if wanted Checked with verify function Automatic C K value seek connects and disconnects first step several times Do not use on HV network applications 10s 900s Reconnection delay and response delay Reconnection delay is used to protect the step capacitors don t use too short values Response delay the minimum time between changes in steps is defined as 20 of reconnection delay min 10 s The default value corresponds to capacitors with internal discharge resistors 50V 1 min Reconnection is faster when using Optimal step program Forced to Optimal in Auto Setup Normal suitable for step sequence 1 2 4 4 4 Circular 1 1 1 suitable for step sequence 1 1 1 1 1 Circular 1 2 2 suitable for step sequence 1 2 2 2 2 Stack suitable for step sequence 1 1 1 1 1 Optimal suitable for several step sequences 28 uloo Isdeu MMM sulgjs S 1 MOd 1seeunow Ag pepri oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY Number of steps 1 12 Detected in Auto Setup checked with verify function Step sequence needed for optimal stepping program step size monitoring function and alarm 12 Detected in Auto Setup checked with verify function Size of first step at given voltage level next parameter 1kvar 400kvar for step size monitoring 0 step size monitoring disabled See Alarms Menu chapt
13. Input voltage Vi Line to Line or V N Line to Neutral 9 Reactive power 4B O 24 uloo Isdeu MMM sulejs g 1seeunow AG Power Factor Controller NC 12 USER S MANUAL 161204 JKY Input voltage Vi Line to Line or V N Line to Neutral and voltage limits If nominal value is not standard graphical display is in scale Total harmonic distortion of voltage and alarm limit for it Wami uu u S components BENE suxa ll components Capacitor overload factor measured current ratio to ww nominal current at nominal voltage and alarm limit for it Reactive current of CT primary Apparent current of CT primary Apparent power Internal temperature fan limit and alarm limit External temperature only present if external temperature sensor connected Fs Number of step connections and usage hours Nominal value Alarm limit Alarm limit Active power 3 phase total power Y lt LL connection of voltage Measured value Figure 13 2 Measured value and alarm limits Harmonic distortion values THOU Total harmonic distortion F4 Values of selected harmonics 3 5BHB 3 Il i315 H Keys for scrolling harmonics Figure 13 3 Graphs showing voltage harmonics Fan limit Alarm limit ALARM Int ba Fan AAE lt Internal temperature ay 48 C External temperature only present if
14. NC 12 USER S MANUAL 161204 JKY 4 Start up Procedure Before connecting power check the wiring of all controller terminals Check carefully for correct operating voltage Selection of wrong voltage input can permanently damage the controller After the first power switch on the controller will automatically ask for the language setting of the menu Language ENGLISH CES EHGLISH F E FRANCAIS Figure 3 Language setting dialog At any time press ON for help screen 13 uloo Isdeu MMM sulejs g 1seeunow AG pepi oJg Power Factor Controller NC 12 5 Menu Operations 5 1 General Navigation between different menu levels USER S MANUAL 161204 JKY As a precaution against accidental use the access of certain menus has been protected by a keylock which is a special sequence of keystrokes enabling the use the particular menu item Code lock is automatically closed after the home delay 5 minutes from last keystroke Keylock Type 1 Code Lock MES Enter code to open lock Code Lock Enter code to open lock SS SS SS cer eme eei ener SSS SS EE SS SS SS rie 1 Press 4 and v simultaneously for 2 seconds x Then 2 Press v and simultaneously for 2 seconds Figure 4 Entering a submenu with a keylock 14 uloo Isdeu MMM sulejs g 1seeunow AG 4 Power Factor Controller NC 12 USER S MANUAL 16
15. Yes 250 V AC 8A Alarm relay Yes 250 V AC 8A Accuracy of FS 2 lo 2 U I samples 2 Phase 1 Distortion 3 dB up to 15 Internal temperature 3 External temperature 2 C option CT setting range 25 1 6000 1 or 25 5 6000 5 Power outage detection Reaction time 15 ms Standards IEC 61010 1 IEC 61000 6 2 IEC 61000 6 4 UL 61010A 1 IEC 60529 Communication Modbus protocol using CCA 01 option 44 uloo Isdeu MMM sulgjs S 1 MOd 1seeunow Ag pepri oJg
16. and considered OK If 1 step is fixed search seek and verify functions are disabled IBHDUL LIVE Response value for the inductive side of the target See Resp Values 5 Normally set up automatically by the controller C K Detected in Auto Setup and Auto seek or manually if wanted Checked with verify function FUL I BBE Nominal input voltage reference value at input voltage 80V 400V 800V terminals U and Us For voltage alarms INT Internal temperature Capacitor overload factor at Language Selection for menus English Lun i Adjustable over temperature alarm limit Fan switches 20 C 50 C 60 C Alarm 9 Para some degrees under this adjustable offset LIMIT Maximum harmonic distortion of voltage adjustable 5 7 20 10 LIPHLT Capacity overload alarm limit maximum lms l4 value 1 0 1 5 1 5 Alarm 11 Para LE Line to Line connection Line to Neutral connection Maintenance Menu for experts Manual Setup Sequence Measurements Menu Alarm setup enable disable rm Paras The use of controller s communication NONE Modbus Setup NONE Communication disabled READ Communication reads information READ RESET Communication reads information and resets alarms READ WRITE Communication reads and writes information A Number of used steps Detected in Auto Setup 1 12 12 Step Setup checked with verify function Normal stepping program for sequence 1 2 4 4
17. user can access the most common operating parameters from this menu Unlike the configuration and setup sequences this is a menu allowing a free and unrestricted entry into all its items and should be used when an occasional parameter access is needed UUO09 ISd U AWA sulejs g 1 MOd 1seeunow AG 4 7 Alarm settings To show status and adjust the parameters of alarms 8 Maintenance The maintenance menu provides useful information about the usage of the bank capacitors and contactors Auxiliary settings and action have also been provided This menu is basically intended for use by the manufacturer s maintenance team 17 Power Factor Controller NC 12 USER S MANUAL 161204 JKY 5 3 Bank Pre Configuration This menu item is a forced sequence meaning that all items must be accessed before the pre configuration takes place NOTES 1 Do not use the Bank Pre Configuration menu for HV network applications 2 Select Cancel at the end of Bank Pre Configuration menu if 1 step is fixed The sequence can be interrupted by pee key See Glossary Ee 8 for definitions MAIN MENU Cede Lock PRECOHF AUTO SETUP T x MANUAL SETUP 6 MEASUREMENTS x x PARAMETERS 7 lt Mo Pe v x EK P ee ee d 7 Language mis ON D Oo yO GG 4 Application Previous gt re
18. 1204 JKY Adjusting a value Single parameter editor To editor Increase rte Previous value u o Adjustment done Cancel lt Save the value adjustment Decrease Next value Multiparameter editor Previous Item To editor Previous value Adjustment done Cancel s Save the values adjustment Next Item Figure 5 Adjusting a value For faster increasing decreasing hold the button down Using controller help At any time pressing 2 button provides information and browsing help for the current controller Screen Lanquage Language selection for menus FY nd choose accept the value and move to the next parameter Figure 6 Using controller hel 15 UUO09 ISd U AWA sulejs g 1seeunow AG 161204 JKY USER S MANUAL Power Factor Controller NC 12 5 2 Main Menu The main menu contains all basic submenus required to set up and operate the controller Which menu to choose Provided by Northeast Power Systems Inc www nepsi com Autorun Autorun Autorun Autorun P d E m E E D gc m D e ua 22 25 ui af e oe SE mE yo F s a 25 o 5 a ow Xm ces m m 0 o oS lt required b Autorun 6 Parameters Autorun f Alarms setup Autorun 7 Alarms setup 8 Mainte
19. 2 Optimal Forced to Optimal in Auto Setup Step Sequence setting defines step size ratios starting 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 8 8 8 Step Setup from the smallest first step Detected in Auto Setup checked with verify function The alternatives are 1 2 2 2 2 2 1 2 3 3 3 3 1 2 3 4 4 4 1 2 3 6 6 6 1 2 4 4 4 4 1 2 4 8 8 8 Step sequence setting is used with optimal stepping program or if the step size monitoring is on Step sequence is predefined with other programs and modification request are not then taken into account HERP dE Step Test each step can be manually connected and disconnected This facilitates testing of the operation of each capacitor step contactor See also Bank Test Number of step connections and usage hours Total Harmonic Distortion of Current Total Harmonic Distortion of Voltage Contains CT setup and VT setup in HV applications Uptime Power On Hours Automatic verification of parameters Checks C K value steps and wiring In case of an error refer to error table page 20 Do not use on HV network applications uL Voltage Transformer ratio setting 0 5 50 kV 1 0 1 0 625 0 Transformers 10 400 kV 60 4000 VOLTAGE PHASE Connections of voltage inputs L2 L3 Wiring Example Voltage phase L2 L3 Voltage connected between phase 2 and 3 Detected in Auto Setup and Auto seek checked with verify function See also Installat
20. 4 4 Optimal stepping program for many step sequencies R5 Parameters Menu P T Nominal network voltage in HV applications Input Voltage Calculated form secondary voltage and VT ratio PROGRAM VERS Software version Controller Info 42 UUO09 ISd U AWA SUU91S S JOMOd 1seeunow Ag Power Factor Controller NC 12 USER S MANUAL 161204 JKY Display Description Min value Default Max value information value Reconnection delay and response delay 10s 50s 900s Reconnection delay is used to protect the step Capacitors don t use too short values Response delay the minimum time between changes in steps is defined as 20 of reconnection delay min 10 s The default value corresponds to capacitors with internal discharge resistors 50V 1 min Response to multi step changes is faster when using Optimal step program Search response value step sizes and wiring u Controller input voltage in HV applications 80V N Input Voltage Serial Number of the product for internal manufacturer Controller Info use IRLA Linear stepping program for sequence 1 1 1 1 1 1 2 digits containing correct message total counter Modbus Setup 2 digits containing faulty message counter 2 digits containing replied message counter Selection of suitable stepping program between see Normal 6 1 Stepping programs Stack Normal Circular 1 1 1 Circular 1 2
21. 4 JKY MAIN MENU Code Lock 4 AUTO SETUP T MANUAL SETUP T 3 MEASUREMENTS 551 PARAMETERS PE Keylock type 1 v Edit mode Choose x parameter larm 1 Params i Alarm 2 Params 4 Adjust value dis iir re EN enter Accept value Discard value Alarm 12 Params amp Figure 15 Alarms menu Alarm contacts are e closed when the controller is not energized e opened when the controller is energized without alarm e closed when the controller is energized with active alarm Alarm parameter explanations Item 7 Alarm Salus ACT Alarm active and triggered PAS Alarm passive ENABLED Alarm ON DISABLED Cannot cause an alarm under any conditions The other settings of the alarm have no effect For alarms 2 9 amp 10 ON Bank shut down in case of alarm OFF No shutdown Alarm detection limit for alarms 9 10 amp 11 5 10 Maintenance menu The maintenance menu provides useful information about the usage of the bank capacitors and contactors Also some auxiliary settings have been provided CAUTION This menu access is dedicated to specialists 31 uloo Isdeu MMM sulejs g JOMO 1seeunow AG PeplAdid Power Factor Controller NC 12 USER S MANUAL 4 MAIN MEHU MAHUAL SETUP T x MEASUREMENTS 4 PARAMETERS Te Green gt ALARMS v v 799 Keylock type
22. 5 6 AG Power Factor Controller NC 12 USER S MANUAL 161204 JKY Screen item Description Voltage transformer ratio Used if voltage range with VT selected Nominal input voltage reference value at input voltage terminals U and Us For voltage alarms In VT application the secondary voltage is entered and the calculated primary voltage is displayed Location of voltage measurement L2 L3 L3 L1 L1 L2 L1 N L2 N or L3 N Detected in Auto Setup and Auto seek checked with verify function See also Installation chapter 2 Location of current measurement L1 L2 or L3 Detected in Auto Setup and Auto seek checked with verify function See also Installation chapter 2 Detected in Auto Setup and Auto seek checked with verify function DIRECT 2 Normal polarity of current measurement REVERSE Inverted polarity of current measurement AUTO Automatic current polarity detection disabled in 4 quadrant applications Primary Target Cos normally used when control input is open 0 80 ind 0 90 cap Secondary Target Cos selected by closing relay input 0 80 ind 0 90 cap Symbol in Base Display shows the status of control relay C K value for inductive reactive power 0 01 1 99 Calculate using a formula or get from C K value table Detected in Auto Setup and Auto seek or manually if wanted Checked with verify function C K value for capacitive reactive power 0 01 1 99
23. Power Factor Controller NC 12 USER S MANUAL Power Factor Conirofier NC 12 161204 JKY WOO ISdeuU MMM sulejs g 1seeunow AG PeplAdid Power Factor Controller NC 12 Menu Structure First Startup Language selection gt Main Menu For bank builders USER S MANUAL Sequences 5 Main Menu lt 161204 JKY tartup after reconfi uration Language selection uloo Isdeu MMM sulejs g JoMog 1seeunow AG pepi oJgd 161204 JKY USER S MANUAL Power Factor Controller NC 12 Startup after commissionin Provided by Northeast Power Systems Inc www nepsi com For experts Menus Power Factor Controller NC 12 USER S MANUAL 161204 JKY Power Factor Controller NC 12 USER S MANUAL Table of Contents eee eee eee ee 5 l 5 1 2 Environmental 5 We ICS COTO E T 6 s WASTAGE RR 9 SNB Oc y 12 4 Start up Procedure a nnne nna r nsu sina nsns nsu 13 SUMI MUO Del I Ti ERE EDEN 14 G lt lt MER 14 st CIN E
24. SER S MANUAL Power Factor Controller NC 12 LOAD amp L days joyoede7 amp L L L Xmy xmy ll ace HHI m X xg jam D Provided by Northeast Power Systems Inc www nepsi com days LIL Xmg ON H ze 558 E foc JESH CFIN Jaagu Al Al Al Al Al Om oi B L5 A ZL pue UA se LL 2 sdas jo uonoauuog ajdwexg AH ZL 2N i i0431luo2 101263 I cl Es Z1 E 55 JvAUtC Agli my 1 Bu sasn Figure 19 HV use of the controller 39 Power Factor Controller NC 12 USER S MANUAL 161204 JKY 7 Options 7 1 External Temperature Sensor The controller has terminals 1 2 for external temperature sensor With the external temperature probe the temperature in a critical point in a capacitor bank can be monitored with the controller The external temperature measurement overrides the internal temperature in fan and alarm monitoring The External Temperature Sensor can be purchased as an option and installed into the capacitor bank Do not touch the connectors when the controller is energized make sure that the operating voltage is disconnected before touching any parts located on the rear side of the controller 7 2 Controller Communication Adapter The controller is equi
25. asny apas J30 NO yueg uon ouuo2 ZL 2N 19 043u02 10328 4 400 50 50 Hz Figure 1 2 Controller connection example Line to Neutral LN 11 Power Factor Controller NC 12 3 Display USER S MANUAL 161204 JKY The controller is equipped with a backlighted dot matrix display with a resolution of 128 x 64 pixels Essential indicators General Inductive Capacitive Target Cos p 1 or 2 Request up down Step off on Broken steps Fixed steps ran Alarm active Communication symbols Great Read Lire Read Reset alarm Orete Read Write ie Request up Menu symbols Warning symbols mu Sequence LI Low warning U woe measurement voltage Commissioning Bank Preconfiguration I ManualSetup jg _ lHigh waming AUTO Auto Setup scrolling and editing symbols Up button functional Measurements Dl Parameters hd Down button functional Alarms Up and down buttons functional m Maintenance Arrows for menu selection I Locked menu Alarm codes BASE DISPLAY di t g symbol COS h 1234557 B310iii ALARMS MEAS i To Alarm Handling To Measurement Menu Figure 2 Display layout and symbols 12 uloo Isdeu MMM sulejs g 1 MOd 1seeunow AG 4 Power Factor Controller
26. er 5 9 Alarm 12 Nominal voltage of step the line to line voltage A Automatic default 0 Step fixed OFF 1 Step fixed ON Steps set fixed are not included in any automatic functions Fixed steps and Optimal Stepping Program cannot be used together Automatic verification of C K steps and wiring In case of an error refer to error table page 20 Do not use in HV network applications 2 digits containing correct message total counter 2 digits containing faulty message counter 2 digits containing replied message counter The use of controller s communication NONE Communication disabled READ Communication reads information READ RESET Communication reads information and resets alarms READ WRITE Communication reads and writes information i Modbus slave address of the controller 5 Bit rate used for data transmission Language selection of user interface 5 9 Alarms Menu In Alarms menu each individual alarm can be enabled or disabled Alarms 1 11 are enabled and alarm 12 is disabled as default Alarm screen also shows whether the alarm is active or passive Also some alarm triggering levels can be adjusted Disconnection of steps due to alarms 2 9 10 can be enabled or disabled from alarm settings Once an alarm condition is detected the corresponding alarm number is shown at the upper part of the display and the alarm symbol becomes visible The alarm relay is also activated Alar
27. external temperature xt sensor is connected Temperature values Figure 13 4 Temperature values and fan status 25 uloo Isdeu MMM sulejs g 1seeunow AG pepi oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY 5 8 Parameters CAUTION case of installation in HV bank with VT you must adjust the default factory settings The reconnection delay must be changed to a larger value e g 600 secs to prevent destruction of capacitors The most common operating parameters can be accessed from this menu Unlike the configuration and setup sequences presented earlier in this text this is a menu allowing a free and unrestricted entry into all of its items and should be used when occasional parameter access is needed Restart the controller after major changes in parameters To start the step size monitoring set number of steps step sequence and the size of the 15 step reactive power and voltage initialize the measurement asked when exiting the editor If wanted set the alarm on from the alarm menu If the step size is set to O the step size monitoring is disabled otep size monitoring cannot be used when loads change constantly and rapidly if the 15 step is very small compared to total measurement scale if HV application is selected automatically disabled Fixed steps cannot be monitored or verified Setting 15 step fixed disables also search and seek functions oee Gl
28. i oJgd Power Factor Controller NC 12 USER S MANUAL 1 3 Description Front view Legend A Display B Keys Opening of door D Door E Mounting bracket for panel mounting installation 161204 JKY uloo Isdeu MMM sulejs g 1seeunow AG pepi oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY Rear view H lt 5 lt 9 lt lt lt s p J D o O os 8 38 0 lt o D 0 Legend 5 F Step output connectors G Name plate H Mounting bracket for panel mounting installation Fixing spring for DIN rail mounting J Current voltage temperature sensor and target cos connection inputs K Fan and alarm ij outputs L DIN rail mounting installation area M Controller Communication Adapter CCA 01 cover N Power Factor Controller NC 12 USER S MANUAL Side view Legend N DIN rail fixing spring O Air inlet for temperature measurement See Chapter 9 for technical details 161204 JKY uloo Isdeu MMM sulejs g 1seeunow AG pepi oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY 2 Installation The controller is designed for either panel cut out 138 x 138 mm or DIN rail installation It is locked to a panel by a side fitting springs or to the rail by a screwdriver operated fixing spring There are two ways of connecting the controller to the network Voltage LN Line Neutral
29. ion chapter 2 43 uloo Isdeu MMM sulejs g JoMog 1seeunow AG pepi oJgd Power Factor Controller NC 12 9 Technical specifications USER S MANUAL Number of steps 12 Dimensions 144 x 144 x 75 mm Frequency 50 Hz nominal range 48 52 Hz 60 Hz nominal range 58 62 Hz Measuring current 0 1A or 0 5A Measuring voltage 80 690 V nominal max 115 Displayed measuring power 100000 kVA Nominal power consumption 13 VA Supply voltages 110 VAC nominal range 88 130 V 230 VAC nominal range 185 265 V 400 VAC nominal range 320 460 V Relay inputs outputs 250 2A Display Dot matrix display resolution 64x128 pixels backlighted Protection class IP41 front panel IP20 rear part Target cos o range 0 85 ind 1 00 0 90 cap Response limits 0 01 1 99 symmetrical or asymmetrical Heconnection delay 10 900 s Response delay 20 of reconnection delay min 10s Displayed measurements COS 0 lact lreact lapp laus li P Q S THD U and voltage harmonics THD I and current harmonics internal and external temperature Installation method Panel installation DIN rail installation Casing Impact resistant PC ABS UL94V 0 Operating temperature range 0 60 C Alarm log List of 5 last alarms Step counters Yes Fan control with dedicated relay
30. m indications can be reset in base display alarm dialog this clears all passive alarms If alarm condition is still active the alarm cannot be reset 29 uloo Isdeu MMM sulejs S JOMOd 1seeunow Ag pepri oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY List of alarm descriptions and limits Description Limit limit adjustment 1 Out of Steps No steps left to connect Network is still 7 inductive and request for more steps exist 2 Hunting Continuing more fewer step request detected 10 min Abnormal Cos Current flows but cos out of range Ind lt 0 50 cap lt 0 80 Low voltage 18 J 2 E 5 Over Compensation No steps left to disconnect network is still capacitive Wrong frequency Frequency detected at startup neither 50 Hz 2 Hz of nominal at startup nor 6 2 7 OverCurrent PY 115 nominal 8 Over Voltage 110 30 min or 120 1 min Over Temperature If external temperature sensor is installed only Temperature limit setting default external temperature is watched 50 C 10 Too High THD U Harmonic distortion of voltage over limit THD U limit setting default 7 11 Cap Overload Harmonic distortion or resonance polluted Inus l1 limit setting default 1 5 current overload factor Inys l4 over limit 12 Cap Output Low Capacitance is measured and watched during Capacitor value 75 96 nominal connection and disconnection S
31. nance For specialist only Figure 7 Required skills and menu selection If bank preconfiguration is properly done commissioning does not require any special skill 16 Power Factor Controller NC 12 gets BANK 7 2 COMMISSIOHIHG COMMISSIONING Lp auro SETUP re SETUP MANUAL SETUP 7 A E MEASUREMENTS MEASUREMENTS EE 4 PARAMETERS 1040 ERS PARAMETERS 4 mams MAINTENANCE ia MAINTENANCE Figure 8 Main menu USER S MANUAL 161204 JKY 1 Bank pre configuration When factory settings have not been changed this menu provides the means of pre configuring the bank at the workshop After pre configuration this menu topic is replaced by 2 Commissioning by which the controller is taken into service 3 Automatic setup of parameters In the event that the controller has not been pre configured an inexperienced user can automatically set up all the characteristics of the bank and bring it into service 4 Manual setup of parameters In the event that the controller has not been pre configured an experienced user can manually set up all the characteristics of the bank and bring it into service 5 Measurement The measurement menu contains the most common measurements taken from the network and provides some information about the bank This is a read only menu 6 Parameters At any time an experienced
32. nce area dependant upon the C K value figure 18 It reaches the value by switching on or off available relevant steps The regulation program choice follows the steps definition a Stack Program linear All capacitor steps are of equal size i e 1 1 1 1 The operation sequence obeys to a ast in first out LIFO principle The first step connected will be the last one to be disconnected and vice versa See Table 1 b Normal program 2 linear Normal program can be used on bank whose step ratio is 1 2 4 4 The linear sequence starts with the 3 step The two first steps are used as fine tuning The controller always start by switching the first step then the second Other steps are used successively See Table 2 Circular 1 1 1 program All capacitor steps are of equal size i e 1 1 1 1 The operation sequence obeys the first in first out FIFO principle With this stepping program the amount of on and off connections at each step will eventually be the same The first step connected will be the first one to be disconnected and vice versa Then a circular sequence is followed In order to operate correctly the number of steps programmed into the controller must strictly comply with the number of physical steps oee Table 3 d Circular 1 2 2 program 1 Circular Circular B program can be used on a bank whose step ratio is 1 2 2 2 The first step is used as tuning after the activating limit is exceeded The circular seque
33. nce starts with the 2nd step See Table 4 Optimal Program The optimal program operates with many step configurations 1 1 1 1 1 2 2 2 1 1 2 3 3 1 1 2 4 4 1 2 2 2 2 3 3 3 1 2 3 4 4 1 2 3 6 6 1 2 4 4 4 1 2 4 8 8 N 1 1 The target cos power is reached using the fewest number of steps in minimal time Like the circular program this algorithm equalizes the usage of largest steps This program uses optimally selected step sizes when approaching the target power and at the same time the response delays are shortened particularly if there is a large requirement for compensation power or if the network suddenly becomes capacitive As circular program this stepping program keeps the usage of steps even Optimal program is disabled with fixed steps and vice versa 33 uloo Isdeu MMM sulgjs S JOMOd 1seeunow Ag pepri oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY Step Step number demand 3 4 5 TO e s 5 p ps gt lt Table 2 Normal program Operation sequence 1 2 4 4 Table 1 Stack program Operation sequence 1 1 1 1 demand 1 2 1 X X X X X number gt lt w D D O 2 gt lt gt lt gt lt gt gt lt gt lt 4 z L X gt lt gt lt gt lt X X X s S TXT
34. og of 5 latest alarms Alarm Menu ACT Alarm active and triggered PAS Alarm passive Power flow and network voltage level of the capacitor bank 2 quadrant only power consumption typical situation 4 quadrant power generation possible Application is forced to 4 quadrant in Auto Setup 2 quadrant 100 700 V 2 quadrant 100 700 V 4 quadrant 10 400 kV VT Automatic search of C K response value Automatic Setup Sequence Bank Pre configuration Sequence Bank Test each step is automatically connected and disconnected in turn This facilitates testing of the operation of each capacitor step contactor To be used only for testing offline capacitors Do not use in HV network applications See also Step Test Data transmission speed of the controller 1200 9600 38400 Modbus Setup Resp Values Response value for the capacitive side of the target cos Normally set up automatically by the controller Detected in Auto Setup and Auto seek or manually if wanted Checked with verify function See C K The controller has a connector for CCA communication module option Circular stepping program for sequence 1 1 1 1 1 1 Circular stepping program for sequence 1 2 2 2 2 2 Response value Can be manually set up or automatically searched by the controller 0 01 0 50 1 99 Clear Statistics Clear Alarm Log Commissioning Sequence
35. ossary chapter 8 for parameter definitions In case of error in verifying refer to error table page 20 26 uloo Isdeu MMM sulgjs S 1 MOd 1seeunow Ag pepri oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY 4 MAIN MENU BAHK PRECOHF T AUTO SETUP MANUAL SETUP T E m p A MEASUREMENTS 4 PARAMETERS Keylock type 1 rr M M r DREAM Application Edit mode Choose parameter AX y Adjust value Accept value Transformers Input Voltage i Wiring Target Cos F Resp Yalues baad bad Auto Seek Discard value Confirm gt Delays Step Program Step setup Step Setup Fixed steps Verify Confirm Step Test e Modbus Setup TENE Language SS I_ 5 LP Figure 14 Parameters Parameter Explanations Screen Hem Description common situation 4 quadrant application Power generation possible Application is forced to 4 quadrant in Auto Setup Network voltage range of application Current transformer primary and secondary current 27 MMM SUU9 JS S 1
36. p takes place The sequence can be interrupted by pressing See Glossary chapter 8 for parameter definitions In case of error in verification refer to error table page 20 NOTE The use of verification in Manual Setup of Parameters is forbidden on HV network applications because verification switches all steps on and off 22 uloo Isdeu MMM sulejs g 1seeunow AG pepi oJg Power Factor Controller NC 12 USER S MANUAL 161204 JKY a HAIN MENU PRECOHF x AUTO SETUP 7 Code Lock Keylock type 1 6 x M Application p AW 1 2 _ D Dom Previous Choose lt ae sa S gt Transformers MAH _ AG F1 F2 Previous Adjust Next 4 Input Voltage _ AW i Adjust O OG lt ie Previous Choose Next 4 Target Cos Previous Adjust Next 4 Previous gt Adjust Next 4 Resp Values MAH M m Delays Q0 Adjust 4 Step Program OW D Choose jas SS se Step Setup MAH P Previous T Green Cancel Accept Next
37. pi oJg Figure 18 Compensation example and consequences 3 Power Factor Controller NC 12 USER S MANUAL 161204 JKY 6 3 High voltage application of NC 12 CAUTION case of installation in a HV bank with VT you must adjust the default factory settings The reconnection delay must be changed to a larger value e g 600 secs to prevent destruction of capacitors The controller can be used in HV networks if the following points are taken into account Connections must employ VT and CT with respect to the figure 19 The application menu has two voltage ranges for HV applications 0 5 50 kV and 10 400 kV The lower voltage range has finer VT ratio resolution and range than the higher voltage range oafety or reconnection delay must be adapted to the value of the discharge resistors of the capacitors the most usual value is 600 seconds 10 minutes The controller s default reconnection delay is adapted for LV use Using too short a reconnection delay may damage the capacitors Important the whole commissioning process must be performed using the Parameter menu the commissioner should not use Bank Pre Configuration Manual Setup and Commissioning menus the use of Auto Setup menu is strictly forbidden to prevent capacitor destruction do not use Verify or Auto Seek on HV network applications 38 uloo Isdeu MMM sulgjs S 1 MOd 1seeunow Ag pepri oJg 161204 JKY U
38. pped with a communication port to connect the controller to a remote master The communication connector is covered to ensure electrical safety during the operation of the controller The Controller Communication Adapter CCA 01 can be purchased as an option and is installed into the controller according to installation instructions supplied with the 01 Always switch off the power from the controller before installation Make sure that the communication connector is always covered either with 01 adapter or the original cover before switching on the power Touching an uncovered connector with the power applied may lead to an electrical shock 40 uloo Isdeu MMM sulejs g 1seeunow AG pepi oJg Power Factor Controller NC 12 USER S MANUAL 8 Glossary 161204 JKY Display information Description Min value Default value Max value Current too high gt 1 10 Inom Current too low All steps are disconnected in 2 quadrant application 0 025x No Input Voltage Step Setup Size and voltage of 1 step the line line voltage of capacitor for step size monitoring 0 step size monitoring disabled see Alarms Menu chapter 5 9 Alarm 12 O kvar 200V O kvar 400 400 800V M The Modbus slave address of the controller 247 List of detected active A and passive alarms Reset clears passive alarms L
39. recautions must be taken into account when installing and operating the controller The installation of the controller must be performed by a qualified electrician Do not touch the connectors when the controller is energized make sure that the operating voltage is disconnected before touching any parts located on the rear side of the controller Do not open a live current circuit this may cause dangerous overvoltages Always short circuit the current transformer CT before replacing or removing the controller installed in a bank Do not open the controller casing there are no user serviceable parts inside External computing devices connected to the communication connector of Power Factor Controller have to comply with the standard IEC 60950 1 For better understanding of the terminology used please refer to the Glossary chapter 8 at the end of this manual 1 2 Environmental conditions The controller is designed for the following environmental conditions Indoor use Altitude up to 2000 m Ambient temperatures within 0 60 C Maximum relative humidity 80 percent for temperatures up to 31 C decreasing linearly to 50 percent relative humidity at 40 C Mains supply voltage fluctuations not to exceed 20 15 percent of the nominal voltage Transient overvoltage for the Mains supply according to installation categories IEC 61010 1 Pollution degree 2 IEC 61010 1 uloo Isdeu MMM sulejs g 1seeunow AG pep
40. tep sizes must be configured for step size monitoring see Parameters Step Setup List of alarm causes and actions Possible cause Controller action 1 Wiring or LL LN definition error WEN Out of Steps Undersized bank 2 Hunting Too small C K value If disconnection in alarm setup is Wrong program choice ON disconnects bank for 10 Defective capacitors minutes No disconnection as default 3 Abnormal cos Wiring mistake Over capacitive network welded contactors Too low current 4 lowvoliage Disconnection till voltage returns Improper use of fixed steps Pomme ug eene em epum emm at startup restart p during alarm and delay after that Over Temperature Ambient temperature too high Temporary disconnection of steps Defective cooling system during alarm and delay after that if disconnection in alarm setup is ON Disconnection as default uloo Isdeu MMM sulejs S JOMOd 1seeunow Ag pepri oJg Resonance during alarm and delay after that if disconnection in alarm setup is ON No disconnection as default Cap Overload Harmonic distortion resonance Temporary disconnection of steps during alarm and delay after that Cap Output Low Defective capacitor P marks in Base Display In case of Alarm 12 user can set the defective capacitor Fixed OFF to clear the alarm situation Too High THD U Harmonic pollution Temporary disconnection of steps 30 Power Factor Controller NC 12 USER S MANUAL 16120
41. uadrant step program to optimal and disables step size monitoring C K value step setup and wiring are detected automatically The automatic detection is unavailable if fixed steps are set NOTE The use of Auto Setup of Parameters menu is forbidden on HV network applications because auto search switches all steps on and off In the event of error see the error table on previous page MAIN _ MENU AUTO BANK PRECOMF 1 Eee ENE joue HEARSUREMEHTS pi 2 PARAMETERS D Keylock type 1 DG SL mish Transformers UTO E1 F2 Adjust Next m rA Y i Input Voltage AUTO y QU Pe Adjust iia Target Cos TO Previous Adjust Naxt No Yes A Error messages Result screen Browse v Browse 99 Taken into service Figure 11 Auto setup of parameters 21 UUO09 ISd U AWA sulejs g 1 MOd 1seeunow AG PeplAdid Power Factor Controller NC 12 USER S MANUAL 161204 JKY 5 6 Manual Setup of Parameters The manual setup sequence is intended for experienced users There are nine important parameters to input before the controller can be taken into service This sequence is completed by an automatic verification of the parameters entered in this sequence This menu item is a forced sequence meaning that all items must be accessed before the validation of the setu
42. uipment switch or circuit breaker employed as a disconnecting device shall comply with relevant requirements of IEC 60947 1 and IEC 60947 3 Overcurrent protection devices such as fuse or miniature circuit breaker with a rating of no more than 10 A shall be connected in supply conductors The overcurrent protection devices need to be certified to national requirements UUO09 ISd U AWA SUU91S S 1 MOd 1seeunow Ag pepri oJg 161204 JKY USER S MANUAL Power Factor Controller NC 12 LOAD Joyagdg Provided by Northeast Power Systems Inc WWW nepsi com 7 days days lt gt 1 1 USMS eas HI Ts o ps aqoud aunjguaduia ewag Alli ee MalA JESH J lonuoo 101983 J9 Og se 11772 sd ls 30 aurT 0j aur jdwexg uon25 uuo ZL ON 10328 J 3 N 1 1 v OL xeu s sn3a U 91AAS ddO NO queg 400 50 60 Hz Figure 1 1 Controller connection example Line to Line LL 10 161204 JKY USER S MANUAL Power Factor Controller NC 12 LOAD 21 days Provided by Northeast Power Systems Inc www nepsi com pry days 20502 Lad JOJ WMS ajag agud aJnjgeJaduia Igual 4244 co fee JESH CHIN Jajonuon 101224 JMO zL UMA Se LL sdajs jo uonaauuo dd N E 21 1 v OL S

Power Factor Controller NC-12 USER`S MANUAL

Contents

Download Pdf Manuals

Related Search

Related Contents