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PAC-P100 - ADC Energy

1. Figure 5 2 1 Terminal Block Diagram of PAC P100 gt m pne Feeder Protection and Control Unit PAC P100 User s Manual 2 TB1 76 A1 COM 61 46 DL1N lal 16 1 77 2 62 A2 NO 47 32 17 2 IB 78 COM 63 NO 48 83 DISP 148 IC 8 Ic 79 4 64 A4 49 DaN 84 19 IN 4 IN 80 5 65 A5 NO 50 peP 35 5 20 15 8 Is 81 _ 66 AG NO 81 peP 36 7 21 6 vA 82 NO 67 A7 NO 521 DL58N 37 221 VB 7 vB 83 A10 NO 68 A9 NO 53 38 10 e3 vc vc 84 712 89 11 NO 4 DLO 12 N 39 24 9 vn 85 A13 NO 70 12 0 55 Di14P 40 DL13P 25 lt 10 gt 86 rcm 71 A14NO 56 41 psp 26 gt 87
2. AAAAAN i AWN CURRENT OF a Figure Very Inverse VI TC Curve 86 94 Feeder Protection and Control Unit PAC P100 User s Manual mmm 4000 CURRENT Figure 4 KEPCO Very Inverse KVI TC Curve 87 94 Feeder Protection and Control Unit PAC P100 User s Manual 88 94 NN AAW TIME Sec CURRENT Figure 5 Extremely Inverse EI TC Curve Feeder Protection and Control Unit PAC P100 User s Manual 4000 200 7 LLL LATFFFUPELUILLEILI ULL xlii lb ZU ILL i i M HE m Zo i 100 8 8 2 225 EN 0 CURRENT X OF Figure A 6 Long time Inverse LI TC Curve 89 94 Feeder Protection and Control Unit PAC P100 User s Manual OVR SIAI 50 10 5 M yer Jio sec 10 TIME Sec o VOLTAGE 25 OF Figure A 7 Inverse Curve for OVR gt Feeder Protection and Control Unit PAC P100 User s Manual TL Te a 7 2 jo 222 400 500 600 700 A VOLTAGE OF TAP 10 1 22 GAIL a 100 Figure 8 Inverse Curve for OVGR gt
3. gt INST OVGR setting items 1 Function use or non use of IOVGR Enabled Disabled 2 Volt Pickup pickup start voltage 110 150 V step 1 V 3 OpTime operation time delay 0 00 30 00 step 0 05sec 4 Block internal input element for blocking IOVGR Refer to Table 4 3 2 EasyLogic Operand gt 5 Events event recorded or not for IOVGR Enabled Disabled OPNE Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT TIME OVGR This menu is used to set values for the protection element of time delayed ground overvoltage It is used to enable disable functioning and event recording for TOVGR to select TC curve to set pickup start voltage value time multiplier for Inverse curve and delay time for definite time and to select an internal input element and block this protection function If Function item is set to disabled TOVGR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for TOVGR while TOVGR protection element is still being used Pickup value ranges from 19 to 76 V with 1 V value step Time dial multiplier for Inverse curve moves from 0 1 to 10 0 with 0 1 value step and time delay for definite time does from 0 05 to 30 00 sec with 0 01 sec value step Block set to COLD LD OP of Table 4 3 2 EasyLogic Operand for example when TOVGR protection element is to be inhibited if cold l
4. 2 gt gt V V Feeder Protection and Control Unit PAC P100 User s Manual DISPLAY METERING HARMONIC This menu displays harmonics up to 31 bar graphs of voltages and currents and THD Total Harmonic Distortion Each harmonics for A B C currents and voltages of total even odd waves is selected using Up Down Left Right arrow keys The symbol lt gt in the right topside represents the X axis expansion which means that only a half of harmonics left or right is so displayed as to watch the graph more precisely Left arrow key also comes to escape from the menu armonic 74 14 lt gt DISPLAY RECORD EVENT This menu displays total number of recorded events and whole event data including event index occurrence time and description Up to 1024 events are stored and follow the FIFO scheme And event recording is configured to be enabled disabled task by task These event data can be uploaded to and listed on EMOS PAC PC S W Engineering Tool through RS232C port on front display panel Left arrow key escapes from the menu and Up Down arrow keys scroll up down and roll over to show all the events 2 5 2 tA 4 3 CB T R Qn to Ed Qo C eme 001 ont 001 yst 001 ett 001 rea 001 ett 0
5. 5 5 7 e 1 2 3 4 5 6 7 8 Boe ore nOn RA INST OCR setting items 1 Function use or non use of IOCR Enabled Disabled 2 Direction operating direction Disabled Forward Reverse Disabled Non direction overcurrent Forward or Reverse Forward or reverse directional component is enabled 3 Pickup pickup current 10 100 step 4 OpTime operating delay time 0 00 30 00 step 0 05sec 5 MTA maximum torque angle 90 90 step 1 6 VoltLoss BIk block or unblock IOCR in case of voltage loss condition Disabled Enabled Disabled non directional tripping is permitted Enabled tripping is blocked in case of voltage loss condition 1sec memory voltage are prepared for very close fault 7 Block internal input element for blocking IOCR refer to Table 4 3 2 EasyLogic Operand gt 8 Events event recorded or not for IOCR Enabled Disabled and 6 VoltLoss Settings are valid only when 2 Direction set to Forward or Reverse ww pne Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT TIME OCR This menu is used to set values for the protection element of time delayed overcurrent It is used to enable disable functioning and event recording for TOCR to select TC curve to set pickup start current value time multiplier for TC curve and delay time for definite time and to select an internal input element and bloc
6. 72 57 DL 13 16 42 Surge 27 12 gt 88 C2 NC 73 C2 NO 58 RS485_2D 43 5485 10 28 lt 13 gt 89 PWR 74 Surge 59 RS485 2D 44 RS485 1D 29 a4 gt 90 PWR 75 Chassis 60 45 ive 30 15 Surge 68 94 Feeder Protection and Control Unit PAC P100 User s Manual 53 External Connections Control Source Control source or Energizing input to PAC P100 necessitates validation between permitted ranges If the control source is connected to other than control source terminal protection units and internal circuits are damaged AC or DC Internally Fused PAC P100 Figure 5 3 1 Control Source Terminal Connection of 100 gt pne Feeder Protection and Control Unit PAC P100 User s Manual CT Connection Refer to the Figure 5 2 1 Terminal Block Diagram in the above section In case of ZCT connection the cable shield should be wired through ZCT PAC P100 Figure 5 3 3 3P3L3CT Network CT Connection non use of PAC P100 gt mw Feeder Protection and Control Unit PAC P100 User s Manual PAC P100 PAC P100 Figure 5 3 5 3PAL Network CT Connection IN use of PAC P100 gt QpNC Feeder Protection and Control Unit PAC P100 User s Manual ZCT Connection PAC P100 Figure 5 3 6 Connection of PAC P100 gt PT Connection Refer to the Figure 5 2 1 Terminal Block Diagram
7. po m o mio 06 0606 060606000 DISPLAY STATUS SELF DIAGNOSIS This menu displays self diagnosis results If some trouble occurs in the system Fail is presented and trouble message will pop up on LCD and System Error LED will be on red Left arrow key escapes from the menu ce pt e Ae INANE Ut gt 2 Feeder Protection and Control Unit PAC P100 User s Manual DISPLAY STATUS PROTECTION This menu displays picked up started and operated status of 10 protection elements Phase elements show started and operated phases A B and C and ground elements show and symbols when the fault current is picked up and the relaying element is signaled to operate Left arrow key escapes from the menu Protection DISPLAY METERING POWER QUANTITY This menu displays measurement and metering data of electric values in text mode Total 8 pages are presented the line to line voltage current page the phase voltage current frequency page the phase A power quantity page the phase B power quantity page the phase C power quantity page the 3 phase power quantity page the sequence voltage current page and the energy page Left arrow key escapes from the menu and Up Down arrow keys swap and roll over the pages gt o 0 0 0 0 0 0 0 5 5 5 2 2 2 2 gt gt 5 5 5 2 2 2
8. 91 94 Feeder Protection and Control Unit PAC P100 User s Manual UVR EHA 225 ANIL ASR EEE 10 20 30 40 50 60 70 80 90 pooo o0 0 et i 2 VOLTAGE Figure 9 Inverse Curve for UVR gt 92 94 Feeder Protection and Control Unit PAC P100 User s Manual Appendix B DNP3 0 Point Index Feeder protection and control unit PAC P100 adopts DNP3 0 protocol to communicate with SCADA system Contact us for the detailed information on DNP3 0 point index mapping Wu Feeder Protection and Control Unit PAC P100 User s Manual P amp C Technologies Co Ltd Address Phone Fax Homepage Contact Point 94 94 603 Anyang Megavalley 799 Kwanyang dong Dongahn ku Anyang city Kyongki do 431 080 Korea 82 31 3885791 82 31 3817924 http www pnctech co kr Deuy Park Oversea Sales amp Marketing Manager ttegur pnctech co kr
9. a m 4 ETE Zeman I1N 12 A11 NO A12 NO 12 COM A13 NO 14 NO 7 13 2 I 16 P I 13 16 RS485_1D RS485_1D 485 RS485 20 AC or DC POW 485 2D e o o 7 Z 14 14 14 n f mv e RS485 2COM Surge Figure 5 3 14 Wiring Diagram of PAC P100 gt GROUND DDpNC 76 94 Feeder Protection and Control Unit PAC P100 User s Manual 6 EMOS PAC Package This chapter contains information on configuring and interrogating PAC P100 via a personal computer running the EMOS PAC software 6 1 Installation and Setup The EMOS PAC Software package runs with Microsoft Windows operating system This version of EMOS PAC only supports communication via the ModBus protocol EMOS is available in a compact disk and it is not copy protected and may be copied to your hard disk For more information on your specific rights and responsibilities regarding the software refer to the licensing agreement enclosed with the software or contact P amp C Technologies Co Hardware Requirements EMOS PAC will run on any IBM PC compatible computer that provides at least the following 8MB of RAM Microsoft Windowns 95 or later One CD ROM drive One serial RS 232 communication port VGA monitor Mouse or pointing device Windows compatible printer The front panel port is used as a temporary connection to locally set and interrogate
10. curve except DT is selected for 2 Curve item DT Time time delay for DT 0 05 30 00 sec step 0 01 sec only when is selected for 2 Curve item MTA maximum torque angle 90 90 step 1 7 VoltLoss BIk block or unblock TOCR in case of voltage loss condition Disabled non directional tripping is permitted pne Feeder Protection and Control Unit PAC P100 User s Manual Enabled tripping is blocked in case of voltage loss condition 1sec memory voltage are prepared for very close fault 8 Block internal input element for blocking TOCR refer to Table 4 3 2 EasyLogic gt 9 Events event recorded or not for TOCR Enabled Disabled 6 MTA 7 VoltLoss Settings are valid only when 2 Direction set to Forward or Reverse Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT INST OCGR This menu is used to set values for the protection element of instantaneous ground overcurrent t is used to enable disable functioning and event recording for IOCGR to set pickup start current value and to select an internal input element and block this protection function If Function item is set to disabled IOCGR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for IOCGR while IOCGR protection element is still being used Pickup value ranges from 2 5 to 50
11. INST OCGR Inst Ground Overcurrent TIME OCGR Timed Ground Overcurrent SGR Selective Ground Overcurrent PROTECT UVR Undervoltage OVR Overvoltage INST OVGR Inst Ground Overvoltage TIME OVGR Timed Ground Overvoltage NSOVR Negative Sequence Overvoltage COLD LD PICKUP COLD LD PICKUP COMMAND DISPLAY CLEAR Wh Varh Accumulation data clear CLEAR EVENT Event data clear CLEAR WAVEFORM Fault data clear CONTACT OUT TEST Output contacts test PANEL TEST Display panel test DDpNC Feeder Protection and Control Unit PAC P100 User s Manual 4 3 Navigating the Menu Tree Menu Tree Display and Initial Measurement Display are swapped through ENT and Left arrow Escape keypad buttons Graphical LCD mimics the Windows Explorer treeview pane and 4 arrow keys can browse the tree nodes and full path name is also presented Main menus first child nodes of the root consist of DISPLAY SETTING and COMMAND DISPLAY METERING RECORD gt DISPLAY menu shows status of I O contacts and logic components self diagnosis results starting and operating status of protection elements metering of electric values harmonics bar graph of voltages and currents recorded event and fault data and software version of MPU Main Processing Unit and DSP SETTING menu lets setting values to be corrected It inclu
12. Boooesp eB coe AN ONAwW WHS Orne Feeder Protection and Control Unit PAC P100 User s Manual DISPLAY RECORD WAVEFORM This menu displays total number of recorded fault waveforms and whole fault data including fault index triggered time triggering source block and description It follows the FIFO scheme and the stored number of fault waveforms depends on the record type in the waveform recording setting 2x240 4x120 8x60 cycles at 64 samples cycle Trigger source and position trigger time s percentage position from left start point in the waveform to be recorded also can be configured These fault data and waveforms are uploaded to and analyzed on EMOS PAC PC S W Engineering Tool through RS232C port on front display panel Left arrow key escapes from the menu and Up Down arrow keys scroll up down and roll over to show all the fault data Waveform 0002 2001 08 01 08 0003 2001 07 31 22 25 54 0004 2001 07 30 19 26 21 914 lt DISPLAY SYS INFO This menu displays the software version of MPD Main Processing Unit and DSP for the maintenance purpose Left arrow key escapes from the menu 2 DSP S W lt Feeder Protection and Control Unit PAC P100 User s Manual 4 3 2 SETTING MENU Basically modifying settings and viewing are carried out in 2 ways through LCD and ke
13. Feeder Protection and Control Unit PAC P100 User s Manual SETTING SETUP KEY SETTING This setting is used to enable or disable keypad manipulation and prevent the mal operation of keypad in SETTING menu For example 1 SYS SETUP Disabled setting disables keypad manipulation in SETTING SYS SETUP setting menu and any key is not operated in SYS SETUP menu Each key setting of 4 SETTING s submenus is configured enabled or disabled individually Enabled Enabled KEY SETTING setting steps Right arrow key from KEY SETTING menu in Menu Tree Select which key setting to change using Up Down keys and Right key Enter settings modification password if required Change or select values using arrow keys and ENT key Repeat step 2 amp 4 for other items Save setting changes in escaping SETTING menu or Change other values BEES I Feeder Protection and Control Unit PAC P100 User s Manual SETTING SETUP POWER SYSTEM This menu is used to set the values for external connection and network configurations of PAC P100 s analog circuit Setting steps are as same as those of the previous setting menu ER 0 Corna Wy t 10 i 0 1 0 lt gt ANALOG CIRCUIT setting items 1 Frequency rated frequency of power system 60 default 50 Hz 2 PT Connect Primary PT connection type NONE Wye Delta PT Connect Measure or Protection
14. IC PICKUP 0 05 30 005 FUNC ENABLED OC BLOCK DOCR lt Figure 3 1 Functional Diagram for Overcurrent Element QpNC Feeder Protection and Control Unit PAC P100 User s Manual The phase directional components one of phase A B and C determines the direction of flow of phase current and can be used to control the operation of the phase overcurrent This component is intended to apply a block signal to overcurrent to prevent an operation when current is flowing in a particular direction The direction of current flowing is determined by measuring the phase angle between the current from CT and the line line voltage from PT based on the 90 connection The main part of phase directional component is the phase angle comparator with two signal Ia phase A current Vbc line line voltage for example phase A and maximum torque angle MTA Maximum Torque Angle Ia MTA 430 Vbc 2 Vb 2 Forward Reverse lt Figure 3 2 The Phase Directional Characteristics gt To increase security for three phase faults very close to the location of the PT used to measure the polarizing voltage a memory voltage feature is incorporated This freature remembers of the polarizing voltage the moment before the voltage collapses and uses it to determine direction The memory voltage is valid for one second after the voltage has collapsed om Feeder Protection and
15. Inverse OVR Inverse 3 Volt Pickup pickup start voltage line to line 110 170 V step 1 V 4 Time Dial multiplier for Inverse curve 0 1 10 0 step 0 1 when Inverse is selected for 2 Curve item DT Time time delay for DT 0 05 30 00 sec step 0 01 sec when DT is selected for 2 Curve item 5 Block internal input element for blocking OVR refer to Table 4 3 2 EasyLogic gt 6 Events event recorded or not for OVR Enabled Disabled Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT INST OVGR This menu is used to set values for the protection element of instantaneous ground overvoltage It is used to enable disable functioning and event recording for IOVGR to set pickup start voltage value and to select an internal input element and block this protection function If Function item is set to disabled IOVGR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for IOVGR while IOVGR protection element is still being used Pickup value ranges from 110 to 150 V with 1 V value step Block set to COLD LD OP of Table 4 3 2 EasyLogic Operand for example when IOVGR protection element is to be inhibited if cold load pickup protection is operated Setting steps are as same as those of the previous setting menu INST OVGR tlon Pickup e lt
16. WAVEFORM DISPLAY SYS INFO 4 3 2 SETTING MENU 37 SETTING SETUP PASSWORD SETTING SETUP KEY SETTING SETTING SETUP ANALOG CIRCUIT SETTING SETUP SETTING SETUP WAVEFORM RECORD SETTING SETUP BREAKER SETTING SETUP COMMUNICATION SETTING EASYLOGIC CONTACT INPUT SETTING EASYLOGIC CONTACT OUTPUT SETTING EASYLOGIC LOGIC COMPONENT SETTING PROTECT INST OCR SETTING PROTECT TIME OCR SETTING PROTECT INST OCGR SETTING PROTECT TIME OCGR SETTING PROTECT SGR SETTING PROTECT UVR SETTING PROTECT OVR SETTING PROTECT INST OVGR SETTING PROTECT TIME OVGR SETTING PROTECT NSOVR SETTING PROTECT COLD LD PICKUP Feeder Protection and Control Unit PAC P100 User s Manual 4 3 3 COMMAND MENU COMMAND CLEAR Wh Varh COMMAND CLEAR EVENT COMMAND CLEAR WAVEFORM COMMAND CONTACT OUT TEST COMMAND PANEL TEST COMMAND TRIP COUNTER SET 5 Dimensions and External Connections 5 1 Dimensions 5 2 Rear Terminals 5 3 External Connections Control Source CT Connection ZCT Connection PT Connection GPT Connection Input Output Contacts Connection RS232 Port Connection RS485 Port Connection 6 EMOS PAC Package 6 1 Installation and Setup 6 2 Operation 6 2 1 PACSet Program 6 2 2 PACEval Program Appendix A Inverse Time Curves Appendix B DNP3 0 Point Index 4 94 63 66 66 67 69 77 79 79 83 84 93 Feeder Protection an
17. Waveform Other functions of the setting tool are uploading listing of recorded events and uploading of recorded fault waveforms from PAC P100 Events are listed up with occurred time 1 ms time resolution and description And fault waveforms data which have instantaneous current voltage values operation status of protection elements and time stamps are utilized in the fault evaluation program to analyze faults OPNE Feeder Protection and Control Uni t PAC P1 00 User s Manual 6 2 2 PACEval Program Fault waveforms data uploaded from PAC P100 through the above setting program analyzed in this fault evaluation tool Graphs of fault currents voltages and operation of protection elements are displayed and instantaneous RMS current voltage values phase angels and time information at tracker position are presented If 2 trackers one is moving with left mouse button and the other with right mouse button are used time difference between two points is presented and it becomes the ruler for correct operation of protection element as setting And harmonics up to 31 and THD Total Harmonic Distortion also show up These fault data are saved as COMTRADE file format and compatible with other analyzing tools Ir Evaluation Tool PACEval nl x File F Option O Help H E EJ CJ CJ 3 3 RMS Voltage 0 00 20 09 V p B m 8 96 218029 V C 7 65
18. phase difference item and DT operate time item in the settings modification for SGR element of PAC P100 IO PICKUP VO PICKUP TRIP 0 05 30 005 FUNC ENABLED SGR BLOCK SGR lt Figure 3 5 Functional Diagram for Sensitive Ground Overcurrent Element gt MTA Operate lt Figure 3 6 SGR Operating characteristics gt w Feeder Protection and Control Unit PAC P100 User s Manual Under Voltage As the supplied voltage to load lowers down there occur the weakness of illumination intensity and shortening of life span for lighting load and the damage to motors because of the overcurrent flow To cope with this situation of damages to equipment undervoltage protection UVR is used UVR of PAC P100 supports the definite time element and the inverse time element and the inverse time element uses Inverse TC curve Furthermore UVR can be used to generate only alarm signal to operator instead of trip signal to circuit breaker PICKUP VB PICKUP VC PICKUP FUNC ENABLED TRIP 0 05 30 00s UV BLOCK lt Figure 3 7 Functional Diagram for Undervoltage Element Over Voltage On the other hand as the supplied voltage goes up behind the regular load voltage there occur some problems of equipment deterioration insulation breakdown equipment life span shortening etc Overvoltage protection OVR manages this situa
19. 14 55 37 Figure 3 8 Protection Page of EMOS PAC QpPNC Feeder Protection and Control Unit PAC P100 User s Manual 4 FRONT PANEL OPERATION 4 1 Overview Front Panel Structure The front face display panel of PAC P100 is composed of a graphic LCD 240x128 30 char x 16 lines 6 LED s 11 keypad buttons and a RS232C communication port Password protection prevents the unexpected mal operation of keypad for control LCD displays the up to date event of higher priority and the protection functions are executed in the background even during the manipulations of keypad The alternative way to communicate with PAC P100 for settings modification and fault event data upload is to use the engineering tools through 5232 port in the front face LCD Error LED Direction Key Enter Button RS232C Setting amp Maintenance Run Test LED Local Remote Button Select Button Control Open Button Control Close Button Port Figure 4 1 Front face Display Panel OPNE Feeder Protection and Control Unit PAC P100 User s Manual Operation Indicators Run Test Green Green lamp is On at all times when source is normally applied Run Green lamp is On and Blinking when testing output contacts and LCD amp LEDs in the command menu Test System Error Red Red lamp is On when self diagnosis function detects device abnormalities Relaying operation is inhibited Detai
20. Contact Mode 6 0 kV Air Mode 8 0 Voltage Waveform 1 2 x 50 Current Waveform 8 x 20 Output Impedance 20 Applying Method Asynchronous Polarity Positive Negative Applied Count 3 times Applied Interval 30sec Control Source Circuit IEC Common Mode 2 0 60255 22 5 Differential Mode 1 0 kV Transducer Circuit Common Mode 2 0 Differential Mode 1 0 kV Contact Circuit Common Mode 2 0 Differential Mode 1 0 kV Applied Frequency 1SOMHz 400MHz Power Output SW Applied Part Enclosure 60255 22 3 Radiated Applying Method Front Side Susceptibility Back ANSI IEEE Distance from Antenna Near and C37 90 2 Close Applied Interval sec 14 94 pPNc Feeder Protection and Control Unit PAC P100 User s Manual 3 FUNCTIONAL DESCRIPTION 3 1 Protection Functions Faults in power system are mainly caused by arbors contact cross wires crane accidents broken wires equipment deterioration etc Most of the faults are temporary faults of short fault duration but there exist permanent faults In case of permanent fault the fault is detected even after reclosing whereas temporary fault is eliminated after short fault section isolation and blackout and power can be re transmitted in a while The protection functions of PAC P100 are to detect faults from measured electric values of voltage current frequency etc and to output trip signal to circuit breaker fo
21. OP IOVGR is operated TOVGR OP TOVGR is operated OVGR PKP At least 1 OVGR is picked up NSOVR OP NSOVR is operated NSOVR PKP NSOVR is picked up COLD LD OP COLD LD is operated COLD LD PKP COLD LD is picked up Cont IN 1 Contact input 1 status Contact inputs 2 ss Cont IN 16 Contact input 16 status Logic Cmp 1 Logic component 1 status Logic components 20 Logic Cmp 48 Logic component 48 status 49 94 DDpNC Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT INST OCR This menu is used to set values for the protection element of instantaneous overcurrent It is used to enable disable functioning and event recording for IOCR to set pickup start current value and to select an internal input element and block this protection function If Function item is set to disabled IOCR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for IOCR while IOCR protection element is still being used Pickup value ranges from 10 to 100 A with 1 A value step Block set to COLD LD of Table 4 3 2 EasyLogic Operand for example when protection element is to be inhibited if cold load pickup protection is operated Setting steps are as same as those of the previous setting menu 2 un o a lt oom gt Scoe
22. case of transformer inrush current Setting steps are as same as those of the previous setting menu Cold Load Pickup setting items 1 Function use or non use of Cold Load Pickup Enabled Disabled 2 Pickup pick current 0 01 2 5 A step 0 01 A If all of three phase current drop below pickup setting value Cold Load Pickup start 3 OP Dly operation delay time 0 1000 sec step 1 sec 4 Reset Dly reset delay time 0 1000 sec step 1 sec 5 Events event recorded or not for Cold Load Pickup Enabled Disabled pne Feeder Protection and Control Unit PAC P100 User s Manual 4 3 3 COMMAND MENU COMMAND menu is used to clear memory data such as accumulation data energy values Wh Varh and VAh recorded event data and recorded fault waveforms data to set the initial value of trip counter and to test contact outputs and front face display panel LCD and LEDs the submenus are required to enter the password before proceeding as in SETTING menu Users are recommended to be very careful in this COMMAND menu otherwise the precious and important data are lost never restored COMMAND CLEAR Wh Varh This command is used to clear and erase the accumulation data of energy values from memory Maximum energy value unit is Tera Wh and Tera Varh 10 Wh and 10 Varh Settings modification password is also used here again in this command Clear Wh Clear Wh Varh VAh No CLEAR Wh Varh command step
23. in the above section PAC P100 Figure 5 3 7 Open Delta PT Connection ABC Rotation of PAC P100 gt nm OPIN Feeder Protection and Control Unit PAC P100 User s Manual PAC P100 Figure 5 3 8 General PT Connection of PAC P100 gt PAC P100 Figure 5 3 9 3PAL type PT Connection of 100 gt QpNC Feeder Protection and Control Unit PAC P100 User s Manual GPT Connection PAC P100 Figure 5 3 10 GPT Connection of 100 gt Input Output Contacts Connection PAC P100 DC 125V Figure 5 3 11 DI Connection of PAC P100 gt mC PING Feeder Protection and Control Unit PAC P100 User s Manual RS232 Port Connection PAC P100 Notebook PC Pin No 2 amp 3 Twisted RS232 D sub Connector D sub Connector Female Figure 5 3 12 RS232 Port Connection of PAC P100 gt RS485 Port Connection Twisted PAC P100 1 Chassis Grounded only Zr 1200 473 100 wer 45 65485 1 COM Figure 5 3 13 RS485 Port Connection of PAC P100 gt w 5 QpNC Feeder Protection and Control Unit PAC P100 User s Manual Wiring Diagram ABC mu B j TC VN CURRENT INPUTS VOLTAGE INPUTS 1 NO 1 2 NO 2 A3 NO A3 COM A4 NO A4 COM A5 NO A5 COM A6 NO A6 COM A8 NO A9 NO A10 lt lt z J 14
24. menu in Menu Tree Select test item of 16 contact outputs using Up Down key and Right key Enter settings modification password if required Execute Energized or DeEnergized test using Up Down key Run Test LED blinking green or Error message 5 Left key to escape and Repeat steps 2 4 for other items wa ROWDY Feeder Protection and Control Unit PAC P100 User s Manual COMMAND PANEL TEST PANEL TEST command is used to test LCD and LEDs on front face display panel During the test LCD display as follows and all the LEDs are blinking 3 times if the test result is OK otherwise error message will show up Settings modification password is also required aaaaan aaaaan PANEL TEST command steps 1 Right arrow key from PANEL TEST menu in Menu Tree 2 Enter settings modification password and Right arrow key again 3 LCD and all LEDs blinking or Error message and Return to Menu Tree COMMAND TRIP COUNTER SET TRIP COUNTER SET command is used to set the initial value of trip counter Settings modification password is also used in this command But no saving confirmation exists differently from SETTING menu and ENT key finishes setting and saving And the set value is initially displayed on Measurement Display as TripCnt Escape Til Value ENT TRIP COUNTER SET command steps 1 Right arrow key from TRIP COUNTER SET menu in Menu Tree 2 Enter setting
25. of time delayed elements and red Trip LED is on for the operation of protection elements When any LED is on LCD displays the operating status menu of protection elements and operators can easily recognize what protection element is picked up and or operated Manual reset using Reset button only can reset these LED s to off mm Feeder Protection and Control Unit PAC P100 User s Manual 3 4 Metering Functions Correct measurement and metering is indispensable for the operations of 100 PAC P100 adopts 16 bit ADC Analog to Digital Converter to raise the measurement accuracy and can analyze the harmonics even up to 31 at sample rate of 64 samples per cycle 32 bit DSP is used exclusively for measurement and calculation and auto calibration function can compensate the delicate hardware deviation The measured values of current and voltage are based on RMS values for protection functions and DFT Discrete Fourier Transformation algorithm is used to calculate the RMS values Measuring targets are voltage current frequency power factor power and energy values 3 5 Recording Functions Event Recorder This function is used to verify shortly the operated history or log of PAC P100 in normal operation and fault situation Event recording is triggered by power reset set value change operation of protection elements system error on self diagnosis etc and up to 1024 events can be stored including event occurred time measu
26. shows protection page of setting program RP Setting Tool PACSet File F Protection Easylogic Event Waveform Monitoring Setting Waveform Record COM 1 DNP i Function Disabled gt TxDela Setup Disabled 8 50 Cycle 0 65000 EasyLogic Disabled uee BPS 9500 TrigPos 50 LnkConfirm Never z Protection Disabled p Datas E 1765534 LnkRetry 71 Power System Protocol Modbus z 0 5 Frequency 602 zi Ring n mj econdary 110 LnkTimeout 11 j COM2 165000 msec Ground PT Ratio 3 PT Connection DELTA z 0 1 6500 0 1 1 Er Ded M Phase PT Seconda Phase CT Ratio t O Timeout mmm 500 20 5 10000 5 5 m 1785000 msec Phase PT Ratio 1 Ground CT Ratio ite Ti 0 1 6500 0 21 65 10000 5 5 068000 min Modbus isabled X AA Disabled Fonction Disabled E Protocol u Cold Restart Disable ID Breaker ID Breaker l ATC 52a Input No Connect v 52a Input Connect 2004 08 20 14 55 09 52b Input Connect 52b Input Connect 5 1 Key Control Disabled Key Control Disabled zi Set Control ole 0 Ur 7 Breaker 1 Breaker Connected COMT 18200 N 8 1 2004 09 20
27. step Operate time 0 05 30 00 sec 0 1 sec step Phase angle 90 90 1 step Reset ratio gt 97 98 of pickup value Phase accuracy lt 3 Operation accuracy lt 3 of set value lt 35ms op time lt 100ms 5 time gt 10015 Negative Sequence Protection 117 Pickup 5 125 1 96 step Operate time 0 05 30 00 sec 0 1 step Cold Load Pickup Pickup 3 of rated current fixed Outage time before cold load 0 1000 sec 1 sec step On load time before reset 0 1000 sec 1 sec step Operation accuracy lt 3 Timing accuracy lt 10 OPNE Feeder Protection and Control Unit PAC P100 User s Manual 2 3 Metering RMS value of fundamental wave amp phase angle per phase Range 0 5 250A Measuring accuracy RMS 0 5 for 0 5 45 A 1 0 others RMS value of fundamental wave amp phase angle per phase Voltage Range 5 210 V Measuring accuracy RMS 0 2 00 Based on A phase voltage Frequency Range 45 65 Hz Measuring accuracy 0 002 Hz Based on fundamental waves per phase Measuring accuracy 0 02 00 Active Power per phase amp 3 phase total Measuring accuracy 1 0 at PF between 0 8 and 1 0 Reactive Power per phase amp 3 phase total Measuring accuracy 1 0 at PF between 0 2 and 1 0 Apparent Power per phase amp 3 phase total Measuring accuracy 1 0 00 Accumulation of 3 phase kWh k VARh kVAh Mea
28. the current of several times larger than the normal load current flows impulsively on the line and then the current slows down to the normal load current This phenomenon is explained by that the high inrush current of transformers or motors flows on a sudden and it is lowered Inrush current must be distinguished from faults retaining high current Cold load pickup is used to block the operation of protection functions for a time in case of re transmission after the line open or initial power supply PAC P100 however supports the settings of outage time before cold load and on load time before reset to prevent mal operations such in reclosing sequences Cold Load PICKUP Y i 0 TRIP FUNC ENABLED 0 05 30 00s Cold Load BLOCK lt Figure 3 11 Functional Diagram for Cold Load Pickup Element QpPNC Feeder Protection and Control Unit PAC P100 User s Manual 3 2 Control Functions Circuit Breaker Control One fundamental requirement for line automation contains the remote open close control of circuit breaker so PAC P100 supports the CB open close control function Control functions of 100 also provide a local remote selection for control location As for remote control PAC P100 communicates with an upper master system through the rear RS485 port using DNP3 0 protocol To control the circuit breaker the operator must get the right to control The Local Remote button renders CB control right t
29. the relay by computer The RS 232 standard specifies a maximum cable length of 15m for RS 232 connections Successful operation cannot be guaranteed for cable lengths exceeding this recommendation Every effort should be made to keep cabling as short as possible Low capacitance cable is recommended Use of EMOS PAC and PAC P100 via Direct Serial Connection In order to use EMOS G5R to communicate with the relay via direct serial connection a serial null modem cable is required The cable must be provided with a 9 pin connector DB9P for the system and an applicable connector for the computer usually DB9S or DB25S Pin outs for a null modem adapter are provided in Appendix C Null Modem Cable m Feeder Protection and Control Unit PAC P100 User s Manual Installation Before installing the EMOS PAC program make a backup copy of the software for archive purposes EMOS PAC can run from a hard disk An installation utility setup exe has been provided to make the process easier PACP100Set Install Program Version 1 0 0 Copyright 2004 DNC Fig 6 1 Setup Wizard Installing EMOS PAC 1 Insert the software CD in your drive 2 Run the setup exe 3 The installation utility establishes a program folder P amp C Tech and subdirectory EMOS PAC You can change this program folder during the installation After installation the EMOS PAC program item icon see Fig 6 1 is located in the EMOS PAC folder The
30. um Feeder Protection and Control Unit PAC P100 User s Manual SETTING SETUP 1 2 This setting is used to configure DNP3 0 protocol items Setting steps are as same as those of the previous setting menu c Escape Tli Move o Select COM 1 COM 2 setting items 1 Function use or non use of COM Port Enabled Disabled 2 BPS Bits Per Second 300 1200 2400 4800 9600 19200 38400 3 Slave Addr Slave Device Address 0 65534 4 Protocol Protocol Setting ModBus DNP 3 0 COM 2 protocol is fixed with ModBus In case 4 Protocol Setting is changed PAC P100 should be re powered om QpNCc Feeder Protection and Control Unit PAC P100 User s Manual e Bep OO m D ZEO me eeg oR ms mm gt a K gt DNP setting items 43 94 TX Delay Delay time of response frame 0765000 msec 1msec step Link Confirm Link Layer Confirm Never Always Sometimes Link Retry number of Link Retry 0 5 1 step Link Timeout Link Layer Timeout 1 65000 1 step SBO Timeout SBO Select Before Operation Timeout 1 65000msec imsec step WR_Time_INT Time Synchronization request interval 1 65000msec imsec step Cold Restart Cold Restart Command Action Enabled Only DNP task restart Disabled pPNc Feeder Prot
31. 0 A with 0 5 A value step Block set to COLD LD OP Table 4 3 2 EasyLogic Operand for example when IOCGR protection element is to be inhibited if cold load pickup protection is operated Setting steps are as same as those of the previous setting menu INST OCGR c e k i a 1 2 3 4 5 6 7 8 9 lt lt lt oom Pe SOR lt gt INST OCGR setting items Function use or non use of IOCGR Enabled Disabled 2 Direction operating direction Disabled Forward Reverse Disabled Non direction overcurrent Forward or Reverse Forward or reverse directional component is enabled Pickup pickup start current 2 5 50 0 A step 0 5 OpTime operating delay time 0 00 30 00 step 0 05sec Polarizing polarizing reference VOLT CURR VOLT CURR MTA maximum torque angle for voltage polarizing 90 90 step 1 MTA for current polarizing is fixed to 0 7 VoltOPickup pickup start voltage 5 50 V step 1 V 8 Block internal input element for blocking IOCGR refer to Table 4 3 2 EasyLogic Operand gt 9 Events event recorded or not for IOCGR Enabled Disabled 4 Polarizing 6 MTA and 7 VoltOPickup Settings are valid only when 2 Direction set to Forward or Reverse wa Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT TIM
32. 22 5 V N 7 85 22 7 V Current 0 08 235 0 09 2 1838 C 0 08 214 1 Current N 0 00 2249 3 Voltage Current 0 00 323 22 B 296 25 255 35 205 CBI Trip m T 463 02 msec m 500 26 msec Delta End sse 2133 178 OOT File Name demo Trigger Time 2004 1 15 12 8 320 00 Figure 6 2 1 Fault Evaluation Tool Main Display Wa OPNE Feeder Protection and Control Unit PAC P100 User s Manual Appendix A TC Characteristics Curves S onto 9 5 LL HAAA ILC M 2222 EE 100 AI 225 5 CURRENT OF Figure A 1 Normal Inverse NI TC Curve 84 94 Feeder Protection and Control Unit PAC P100 User s Manual 0 5 A ont 9 o o N Ht ttt HA HAA ot e AS EN P 22 TT 8 096 2 500 CURRENT OF d Figure 2 KEPCO Normal Inverse KNI TC Curve 85 94 Feeder Protection and Control Unit PAC P100 User s Manual enero ot nm Q 6 gt 7 i scili EEE Be ee ee 4000 Mh 2
33. C 125V Switching capacity For Alarm Signaling 8 points configurable Rated load 5 0 5 AC 250V Resistive load 5 0 5sec DC 125V Resistive load 0 15 0 1 Power factor AC 250V 0 3A 40ms L R time constant DC 125V Switching capacity Contact Inputs 16 points dry contact configurable When no applied voltage 10000 When voltage supplied DC 250V Recognition time lt 101 Case 8 94 Construction Color Pantone Draw out type Color 2715C Material Fe DDNC Feeder Protection and Control Unit PAC P100 User s Manual 2 2 Protection Elements Current Protection Protection Elements OCR 50 51 Instantaneous 10 90 A step Time delayed 0 2 16 0 0 1 A step OCGR 50 51N Instantaneous 5 50 A 1 A step Time delayed 0 1 2 5 0 1 A step TC curve Normal Inverse Very Inverse Extremely Inverse Long time Inverse KEPCO Normal Inverse KEPCO Very Inverse Definite Time Normal Inverse Very Inverse Extremely Inverse Long time Inverse KEPCO Normal Inverse KEPCO Very Inverse Definite Time Multiplier 0 1 10 0 0 1 step 0 1 10 0 0 1 step DT operate time 0 05 30 00 sec 0 01 sec step 0 05 30 00 sec 0 01 sec step Reset gt 97 98 of pickup value gt 97 98 of pickup value Operation accuracy Timing accuracy Directional 9 94 lt 3 of set value l
34. Control Unit PAC P100 User s Manual Directional Ground Overcurrent Arbors contact crane accidents and broken wires can cause ground earth faults that larger zero sequence current flows through neutral point as a circuit is formed between the line and the earth Ground overcurrent protection OCGR detects faults by measuring the zero sequence current on neutral point It is similar to overcurrent protection that ground overcurrent protection has instantaneous time delayed elements and the time delayed element has inverse definite time elements Also TC curves are of the same type to those of overcurrent protection but the setting ranges are different IO PICKUP VO PICKUP IN PICKUP He 0 FUNC_ENABLED OCG_BLOCK DGR 0 05 30 00s TRIP lt Figure 3 3 Functional Diagram for Ground Overcurrent Element gt The ground directional components determines the direction of flow of phase current and can be used to control the operation of the ground overcurrent This component is intended to apply a block signal to ground overcurrent to prevent an operation when current is flowing in a particular direction The direction is determined by zero sequence current 310 calculated from the phase current and zero sequence voltage 3V0 from the phase voltage ground current from ground CT There are three polarizing mode Voltage 3 V0 Current IG Curr
35. E OCGR This menu is used to set values for the protection element of time delayed ground overcurrent It is used to enable disable functioning and event recording for TOCGR to select TC curve to set pickup start current value time multiplier for TC curve and delay time for definite time and to select an internal input element and block this protection function If Function item is set to disabled TOCGR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for TOCGR while TOCGR protection element is still being used Pickup value ranges from 0 1 to 2 5 A with 0 1 A value step Time dial multiplier for TC curves moves from 0 1 to 10 0 with 0 1 value step and time delay only for definite time does from 0 05 to 30 00 sec with 0 01 sec value step Block set to COLD LD OP Table 4 3 2 EasyLogic Operand for example when TOCGR protection element is to be inhibited if cold load pickup protection is operated Setting steps are as same as those of the previous setting menu TIME OCGR lt oO BHBonndaB 1 2 3 4 5 6 7 8 9 1 Til Move o TIME OCGR setting items 1 Function use or non use of TOCGR Enabled Disabled 2 Direction operating direction Disabled Forward Reverse Disabled Non direction overcurrent Forward or Reverse Forward or reverse di
36. P AD converter analog input circuit internal logic components I O contacts and so on When abnormality is detected for the items red System Error LED is on and self diagnosis results are displayed on LCD with showing Fail for the troubled item Reset is manually attained using Reset button on front panel mw Feeder Protection and Control Unit PAC P100 User s Manual 3 7 Communication Interfaces PAC P100 supports 2 communication ports one is RS232 port on front panel and the other is RS485 port on rear side RS232 port is used for EMOS PAC and settings modification system configuration sequence logic composition event and fault data uploading are performed through this port ModBus protocol And RS485 port is used to communicate with SCADA DNP3 0 protocol 3 8 EMOS PAC Package PAC P100 has the dedicated engineering tool EMOS PAC Through RS232 port on front panel of PAC P100 to notebook computer s RS232 port maintenance and batch jobs are easily done In the following the functions of this tool are described briefly System Configuration amp Set Value Upload to PC and Batch Download to PAC P100 Graphic Editor for Sequence Logic Composition of EasyLogic Upload amp Download Event Data Upload to PC and Listing Fault Waveforms Data Upload to PC and Analysis Set Value amp Recorded Data Saving and Printing Dur The manipulation of EMOS PAC is explained in more detail on chapter 6 and the following figure
37. P amp C Technologies Co Ltd User s Guide Feeder Protection amp Control Unit PAC P100 100 is a Feeder Protection and Control Unit designed for the management and primary protection of distribution feeders It can be used as a backup protection relay for a bus or a transformer PAC P100 is multi function protection relay including functions for instantaneous time delayed phase overcurrent instantaneous time delayed ground overcurrent sensitive ground overcurrent phase undervoltage phase overvoltage instantaneous time delayed ground overvoltage negative sequence overvoltagte and cold load pickup It has 4 IEC standard TC curves 2 KEPCO s EM type TC curves and voltage inverse curves for UVR and OVR Also it provides the measurements of 3 phase voltages 3 phase currents A B C phase values voltage current apparent active reactive power 3 phase values 3 pahse apparent active reactive power frequency power factor and energy values KWh kVARh kVAh PAC P100 has recorders for events and oscillographies and control functions for a circuit breaker EasyLogic is designed for the replacement of external wiring for the sequence logic and it has 48 configurable logic components The configuration of contact inputs outputs are very easy with EasyLogic EMOS is a specially designed software for easy maintenance and operation of PAC P100 Feeder Protection and Control Unit PAC P100 User s Manual 2 94 Table of Co
38. R Any protection element is picked up IOCR OP OR At least 1 phase of IOCR is operated IOCR OPA Phase A of IOCR is operated IOCR OP B Phase B of IOCR is operated IOCR OPC Phase C of IOCR is operated TOCR OP At least 1 phase of TOCR is operated TOCR OPA Phase A of TOCR is operated TOCR OP B Phase B of TOCR is operated TOCR OPC Phase C of TOCR is operated OCR PKP OR At least 1 Phase of IOCR TOCR is picked up OCR PKP A Phase A of IOCR TOCR is picked up OCR PKP B Phase B of IOCR TOCR is picked up OCR PKPC Phase C of IOCR TOCR is picked up IOCGR OP IOCGR is operated TOCGR OP TOCGR is operated OCGR PKP At least 1 OCGR is picked up SGR OP SGR is operated SGR PKP SGR is picked up UVR OP OR At least 1 Phase of UVR is operated UVROPA Phase A of UVR is operated UVR OPB Phase B of UVR is operated UVROPC Phase C of UVR is operated UVR PKP OR At least 1 Phase of UVR is picked up UVR Phase A of UVR is picked up UVR PKP B Phase B of UVR is picked up UVR PKP C Phase C of UVR is picked up OVR OP OR At least 1 Phase of OVR is operated OVR OPA Phase A of OVR is operated OVR OPB Phase B of OVR is operated OVR OPC Phase C of OVR is operated OVR PKP OR At least 1 Phase of OVR is picked up 48 94 DDpNC Feeder Protection and Control Unit PAC P100 User s Manual OVR PKPA Phase A of OVR is picked up OVR PKP B Phase B of OVR is picked up OVR PKPC Phase C of OVR is picked up IOVGR
39. Ref Angle None Line to line voltage and phase voltage measure IA display 0 Protections OVR UVR NSOVR by voltage are impossible Wye Line to line voltage and phase voltage are VA normally measured Delta Phase voltage measure display 0 VAB Line to line voltage are normally measured Protections DOCGR Volt Polarizing setting is impossible 3 PH PT Sec GND PT Rated voltage of Phase Ground PT secondary 50 0 240 0 0 1 step 4 PH PT Ratio GND PT Ratio Phase Ground PT turn ratio primary to secondary 0 1 6500 0 0 1 step 5 PH CT Ratio GND CT Ratio CT turn ratio primary to secondary multiplied by 5 5 10000 5 step In case 1 Frquency Setting is changed PAC P100 should be re powered Feeder Protection and Control Unit PAC P100 User s Manual SETTING SETUP RTC This menu is used to set the current values of real time system clock Setting items are year month day hour minute and second and each item is selected using Left Right keys and the values are changed using Up Down keys ENT key finishes entering the new value SETTING SETUP WAVEFORM RECORD This setting is used to configure fault waveform recordings and the items are record length trigger source and position Setting steps are as same as those of the previous setting menu Waveform Record KL Escape Ti Move o Select WAVEFORM RECORD setting items 1 Record Ty
40. application files are located on drive C in the same subdirectory 4 After installation you can see 6 files in the EMOS folder The PACRSet exe and the PACEvaLexe are the main programs The PACSet exe is used for alteration of system configuration or settings viewing records editing the logic or monitor the measurements or statuses The PACEval exe is the special program to view a oscillograph and analyze a fault case mw 5 Feeder Protection and Control Unit PAC P100 User s Manual 6 2 Operation 6 2 1 PACSet Program Modification of settings or and system configuration is generally performed using key pad buttons in the LCD menu on front panel of PAC P100 But this job is handled item by item at one time So this setting tool is used to facilitate a batch job Refer to the figure of RS232 connection in the previous section and the ModBus protocol is used the data can be saved in files as project concept and the specific setting values are downloaded to PAC P100 just by opening the saved project data file For the sequence logic composition of EasyLogic graphical editor is provided and both uploading the present logic composition to this program and downloading graphically edited sequence logic to 100 are possible through this program Other functions include event data uploading amp listing fault data uploading and data printing Program Menu The following figure shows the main menu of s
41. d Control Unit PAC P100 User s Manual 1 OVERVIEW Feeder Protection amp Control Unit PAC P100 is microprocessor based numerical protection relay designed for the management and primary protection of a distribution feeder It can also be used for the backup protection of a bus or a transformer PAC P100 has the protection elements of phase overcurrent OCR ground overcurrent OCGR sensitive ground overcurrent SGR phase overvoltage OVR phase undervoltage UVR ground overvoltage OVGR negative sequence overvoltage NSOVR and cold load pickup PAC P100 has 4 standard IEC TC curves Normal Inverse Very Inverse Extremely Inverse Long time Inverse 2 KEPCO s induction type TC curves KEPCO Normal Inverse KEPCO Very Inverse and 2 inverse curves for OVR amp UVR It has other useful functions perform local remote CB control metering faults and events recording self diagnosis and SCADA communications EasyLogic consists of 48 configurable logic components and provides flexibility for editing the internal sequence logic using these logic components without external wiring Furthermore the dedicated engineering tools EMOS PAC makes it easy to change settings editing graphical logic configuration view records and analyze the fault case Feeder Protection and Control Unit PAC P100 User s Manual Features Digital feeder protection and control unit using dual processor architecture O Provides backup protectio
42. des password for setting and control keypad enabling disabling analog circuit configuration real time system clock fault waveforms recording CB setup communication input output contacts and logic components setup operation setup for protection elements calibration data COMMAND menu is used to clear the memory and to test the system It contains clearing of accumulation data Wh Varh and VAh clearing of events and fault waveforms setting of trip counter initial value and testing of output contacts and display panel In the following each of the specific sub menus is explained wma Feeder Protection and Control Unit PAC P100 User s Manual 4 3 1 DISPLAY MENU DISPLAY STATUS CONTACT INPUT This menu displays On Off status information of 16 contact inputs If a contact input to PAC P100 is entered high is presented for that input contact Left arrow key escapes from the menu 00000000 0 Lus LLL oj 5 db XE HE GE Wb me DISPLAY STATUS CONTACT OUTPUT This menu displays Energized DeEnergized status information of 16 contact outputs If a contact output is activated Energized is presented for that outpu
43. e selected CB s name ID and shows the outline blinking of that CB in the single line diagram CB status is so determined by using open 52a contact input closed 52b contact input or both that 3 statuses can exist Open Closed Abnormal and it is displayed on the single line diagram as blank box open shaded box closed half shaded box abnormal and X symbol box no connect LCD 1 line display communication status of rear RS 485 COM port TIR1 T2R2 characters blinking means COM 1 COM 2 port is good Menu Tree ENT keypad button enters into Menu Tree Display and 4 arrow keys browse the tree nodes The root node has 3 first child menus DISPLAY SETTING and COMMAND And each of first child menus has the child menus of one s own Full path from root node is presented on the topside of LCD DISPLAY menu is composed of STATUS METERING RECORDS and SYS INFO sub menus STATUS menu is used to monitor the statuses of input output contacts and logic components the results of self diagnosis and start operated statuses of protection elements METERING menu is used to display the measurement and metering of electric values and to show bar graphs of harmonics RECORDS menu displays event and fault data in text mode and each of input output contacts logic components and protection elements are configurable to record the event or not SYS INFO menu is used to display the system information of MPU and DSP S W versions for main
44. ection and Control Unit PAC P100 User s Manual SETTING EASYLOGIC CONTACT INPUT This setting is used to enable disable the use of a digital contact input and event recording for that contact input and to name its ID using ASCII character codes If Function item is set to disabled for some contact inputs those contact inputs are not used and events are not recorded But only Event item can be disabled to prevent event recording for a specific contact input while that contact input is still being used Setting steps are as same as those of the previous setting menu and 16 different pages exist for the independent configurations of 16 contact inputs 2 ID Co 2 ID 3 Event D 3 lt gt lt CONTACT IN setting items 1 Function use or non use of contact input Enabled Disabled 2 ID contact input identification 12 ASCII characters 3 Event event recorded or not for contact input Enabled Disabled Feeder Protection and Control Unit PAC P100 User s Manual SETTING EASYLOGIC CONTACT OUTPUT This setting is used to enable disable the use of a digital contact output and event recording for that contact output to name its ID using ASCII character codes and to select the connected source for output signal If Function item is set to disabled for some c
45. ee Display MENU key Initial Measurement Display Left key Tree Display MENU key 30 94 DISPLAY Table 4 2 1 CONTACT INPUT Overall Tree Menu On Off status of 16 input contacts CONTACT OUTPUT Energized Deenergized status of 16 output contacts STATUS LOGIC COMPONENT On Off status of 48 logic component SELF DIAGNOSIS Self diagnosis results PROTECTION METERING Start Operated info of 10 protection elements Electric values METERING HARMONIC THD Harmonics bar graph EVENT RECORD Total Event time and contents WAVEFORM SYS INFO Total Trigger time source and block MPU and DSP S W versions SETTING PASSWORD Setting and Control password KEY SETTING Enabled disabled setting of key manipulation for SETTING menu POWER SYSTEM System Configuration RTC System time setting WAVEFORM RECORD Record type Trigger source and pos BREAKER Enabled disabled setting of control key CB id Contact inputs COMMUNICATION BPS Slave Master address Link amp App confirm retry timeout CONTACT INPUT Enabled disabled setting of function and event ID CONTACT OUTPUT Enabled disabled setting of function and event ID Source connection LOGIC COMPONENT Enabled disabled setting of function and event ID Logic operator INST OCR TIME OCR Inst Overcurrent Timed Overcurrent
46. ent operate status Operator AND 8 inputs OR 8 inputs NOT LATCH S R Timer On Off Delay Features Up to 48 operators can be used Sequence logic is composed using above operands and operators Graphic editor of EMOS PAC S W for logic drawing upload amp download Communication Front Port 1 RS232 port 19200 BPS ModBus protocol For EMOS interface Rear Port 2 RS485 port 300 38400 BPS DNP3 0 or Modbus protocol For remote communication DDpNC Feeder Protection and Control Unit PAC P100 User s Manual 2 7 Insulation Tests Service 10 C 50 C Storage 20 C 60 C Humidity Daily average RH 30 46 90 90 Altitude lt 1000 m No abnormal vibration impact inclination or magnetic field effect No explosive combustible dust combustible corrosive gas or salinity Vibration 16 7 Hz 0 4 mm 600 sec Direction front back left right top bottom 30g Applying Method front back left right top bottom twice per each total six times Temperature Environmental Conditions Mechanical Test Insulation resistance Overall Electric Circuit Enclosure 10M Q Between Electric Circuits 5 MQ Between Contacts 5MQ IEC 60255 5 Dielectric test voltage Applied Time 1 min Overall Electric Circuit Enclosure Between Electric Circuits Insulation Tests Between Contacts TEC 60255 5 Impulse test voltage Applied Wavefor
47. ent or voltage Polarizing mode Compared phasors Voltage 3 0 1 Z 3I0 Current IG 30 Current or voltage 3V0X 1 Z 3I0 Or IG 30 Where 3V0 Zero sequence voltage 310 IJatIb Ic Zero sequence current IG ground CT current 17 94 DDpNC Feeder Protection and Control Unit PAC P100 User s Manual 30 Maximum Torque Angle MTA 430 3 0 3 0 2 Forward Reverse lt Figure 3 4 The Ground Directional Voltage Polarized Characteristics gt Wu Feeder Protection and Control Unit PAC P100 User s Manual Sensitive Ground Overcurrent Sensitive ground overcurrent protection SGR is used to detect earth faults non grounded networks Since the circuit between line and earth in non grounded networks is formed through leakage capacitance components the fault current is very small Therefore ZCT which is sensitive enough to measure this zero sequence current on low current level should be adopted instead of normal CT The zero sequence voltage is also measured using GPT to determine whether the fault direction is in the zone of one s own or not The phase angle difference between fault current and voltage should reside in 90 to 90 to detect earth fault in non grounded networks Definite time DT element is supported to select the operate time at free choice For this reason there are zero sequence current voltage pickup items
48. etting tool program and each menu is described below O Connect RS232 Port Communication Connection and File F HelptH Initialization Connect Disconnect Communication Disconnection and Port Closing Fy Disconnect O0 Upload Set Data on PAC P100 Transfer 4 Upload from PAC P100 to PC 5 Download 3 Download Edited Data on the program Transfer New Ctrl N Open Ctrl O from PC to PAC P100 Save Ctrl S O New New Project Generation for Setting Save Open Saved Project File Loading Report Save Edited Data Saving to File Option O Save As Edited Data Saving to File as Different Name Recent File Report Edited Data Saving to Text File and Printing Exit X O Option Comm Communication Port Selection on PC 5 Exit Program Exit QnpPNC Feeder Protection and Control Unit PAC P100 User s Manual System Configuration This configuration is related to general system setting of PAC P100 Setting items are key setting key manipulation enable disable in the LCD menu analog circuit circuit breaker DNP communication real time clock RTC and waveform recording Each item s function is the same as that of LCD menu on front panel and refer to chapter 4 Operational Description for more detailed explanation No Comet 2 Re Connect 2 Dabei gt Figure 6 1 1 Setting Tool System Configuration om OPNE Feeder Protec
49. finite time does from 0 05 to 30 00 sec with 0 01 sec value step Block set to COLD LD OP of Table 4 3 2 EasyLogic Operand for example when TOVGR protection element is to be inhibited if cold load pickup protection is operated Setting steps are as same as those of the previous setting menu Negative Sequence Overvoltage setting items 1 Function use or non use of NSOVR Enabled Disabled 2 Pickup percentage value that negative sequence voltage divide by positive sequence voltage 5 125 95 step 1 3 OP Time time delay for DT 0 05 30 00 sec step 0 01 sec 4 Block internal input element for blocking NSOVR Refer to Table 4 3 2 EasyLogic gt 5 Events event recorded or not for TOVGR Enabled Disabled am pne Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT COLD LD PICKUP This menu is used to set values for the protection element of cold load pickup It is used to enable disable functioning and event recording for cold load pickup and to set operation and reset time If Function item is set to disabled cold load protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for cold load start while cold load protection element is still being used Both operation and reset delay time range from 0 to 1000 sec with 1 sec value step Cold load pickup is used for the protection in such a
50. g of 7 Off Dly sec item when the logic input of 5 L_Input item becomes 0 Additional setting menu items differ according to this item Feeder Protection and Control Unit PAC P100 User s Manual Table 4 3 1 Additional Logic Component Setting Menu according to Logic Operator 4 1 Operator Additional Menu Setting Description NOP N A N A 5 L_Input 1 6 L_Input 2 7 L_Input 3 8 L_Input 4 9 L_Input 5 10 L_Input 6 Refer to Table 4 3 2 EasyLoic 11 L_Input 7 Operand 12 L_Input 8 NOT 5 L_Input 5 L_Set 6 L_Reset 5 L_Input TIMER 6 On Dly sec 0 00 10 00 sec 0 05 step 7 Off Dly sec 0 00 10 00 sec 0 05 step AND OR LATCHS R pne Feeder Protection and Control Unit PAC P100 User s Manual Table 4 3 2 EasyLogic Operand gt Operand Group Operand Description bons L OFF 0 L ON Logic 1 System SYSTEM ERR Self diagnosis error is occurred Annunciator reset ANN Reset Annunciator Reset Local or Remote Breaker control OPN CTL Breaker Open Control Local or Remote CLS 1 Close Control Local or Remote BRK2 OPN CTL BRK2 CLS CTL Breaker2 Open Control Local or Remote Breaker2 Close Control Local or Remote Protection elements PROT OP OR Any protection element is operated PROT PKP O
51. gic components those components are not used and events are not recorded But only Event item can be disabled to prevent event recording for a specific logic component while that component is still being used L_Operator item is configured as one of NOP AND OR NOT LATCHS R and TIMER and determines the respective logic inputs for a logic component except for NOP where no operator is used and hence comes no use of that logic component Setting steps are as same as those of the previous setting menu and 48 different pages exist for the independent configurations of 48 logic components Disabled NOP Escape tTl Move gt 5 Select LOGIC COMP setting items 1 Function use or non use of logic component Enabled Disabled 2 ID logic component identification 12 ASCII characters 3 Event event recorded or not for logic comp Enabled Disabled 4 L Operator logic operator for a logic component NOP No Operator no use of a logic component AND logical AND of 8 logic inputs OR logical OR of 8 logic inputs NOT logical negation of a logic input LATCHS R retention until set reset set 1 when the logic input of 5 L_Set item is 1 and the logic input of 6 L_Reset item is 0 reset 0 when only the logic input of 6 L_Reset item is 1 TIMER on off delay of a logic input output 1 when the logic input of 5 1 Input item remains 1 during the time of 6 On Dly sec item output 0 after time elapsin
52. imary protection control and management of distribution feeder for medium and low voltage networks O Backup protection of a bus or a transformer Feeder Protection and Control Unit PAC P100 User s Manual PAC P100 Figure 1 1 Functional Single Line Diagram Symbol Description Device Number Function Instantaneous Over Current Protection Time delayed Over Current Protection Instantaneous Ground Over Current Protection Time delayed Ground Over Current Protection Under Voltage Protection 9 Over Voltage Protection 5 67G Sensitive Ground Over Current Protection 52 AC Circuit Breaker Feeder Protection and Control Unit PAC P100 User s Manual 2 TECHNICAL DATA 2 1 Rate Current General Specification AC 5A 50 60Hz Rate Voltage 50 60Hz Current 0 01 250A Input range Voltage 1 220V continuous 10A 2 times of rated value 2 Withstand 10s 100A 20 times of rated value 1s 200A 40 times of rated value Voltage withstand continuous 143V 1 3 times of rated value Burden lt 0 5VA phase Rated Control Source Voltage AC DC 110 240V free voltage Power Consumption 30VA Rated Frequency 50Hz or 60Hz Contact Outputs For Trip Signaling 3 point configurable Rated load 10A 0 3sec AC 250V Resistive load 30A 0 3sec DC 125V Resistive load 1 0 1 Power factor AC 250V 25ms L R time constant D
53. k this protection function If Function item is set to disabled TOCR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for TOCR while TOCR protection element is still being used Pickup value ranges from 0 2 to 16 0 A with 0 1 A value step Time dial multiplier for TC curves moves from 0 1 to 10 0 with 0 1 value step and time delay only for definite time does from 0 05 to 30 00 sec with 0 01 sec value step Block set to COLD LD Table 4 3 2 EasyLogic Operand for example when protection element is to be inhibited if cold load pickup protection is operated Setting steps are as same as those of the previous setting menu oF zwy l 2 3 4 5 6 7 8 9 lt shee co E TIME OCR setting items 1 Function use or non use of TOCR Enabled Disabled 2 Direction operating direction Disabled Forward Reverse Disabled Non direction overcurrent Forward or Reverse Forward or reverse directional component is enabled 3 Curve 7 TC characteristics curves IEC standards NI Normal Inverse VI Very Inverse El Extremely Inverse LI Long time Inverse DT Definite Time Induction type KVI KEPCO Very Inverse KNI KEPCO Normal Inverse Pickup pickup start current 0 2 16 0 step 0 1 5 Time Dial multiplier for TC curve not for 0 1 10 0 step 0 1 when
54. llowing logic sequence Time delays can be set for the operation time of relaying elements and the operation time is adjusted according to the magnitude of fault current or voltage Feeder protection and control unit PAC P100 has 7 protection elements by and large and each protection element is described in the following Directional Overcurrent Overcurrent protection OCR detects faults from phase current measurements It judges fault by current magnitude as the fault current is several times larger than the load current in normal state Overcurrent is categorized in the instantaneous element that operates immediately when current over the set pickup value flows and the time delayed element that operates with delay time And the time delayed element is divided into the inverse time element that operation time is inversely proportional to the magnitude of fault current and the definite time element that operates if over fixed value PAC P100 supports both the instantaneous element and the time delayed element and the time delayed element supports both the inverse time element and the definite time element Time current characteristics curves for the inverse time element are 4 IEC standard curves Normal Inverse Very Inverse Extremely Inverse Long time Inverse and 2 KEPCO s electromagnetic style curves for coordination KEPCO Normal Inverse KEPCO Very Inverse t 0 gt 1 PICKUP TRIP IB PICKUP Lx L
55. ls of abnormality are displayed on LCD and even if the abnormal state returns to normal lamp is not reset to Off but latched On Reset keypad returns lamp to Off Relay Pick up Yellow Yellow lamp is On when a protection element is started Trip Red Red lamp is On when any trip signal is outputted Lamp is latched On until manual reset L R Yellow Keypads 26 94 Yellow lamp is On in Local or Remote LED when L R control keypad is pushed by turns This control keypad is password protected Initial Measurement Display Change Menu Move Value Change Menu Move Menu Item Selection Menu Move Escape to Upper Menu Cancel Item Manual Reset of System Error and Trip LED Enter into Menu Tree Display Value Set and Confirm L R Local or Remote Control Mode Change CONTROL SELECT CB Selection to Control Password protected OPEN Selected CB Open CLOSE Selected CB Close DDpNC Feeder Protection and Control Unit PAC P100 User s Manual 42 LCD Display Key Manipulation LCD display of PAC P100 mainly consists of Measurement Display and Menu Tree Display When power is on and the system is initialized after checking SRAM EEPROM and DPROM 100 shows Measurement Display initially And Menu Tree Display is entered through ENT keypad button Two display modes are alternated by MENU and Left keypad buttons In the Menu Tree Display 4 ar
56. m 1 2 50 us Overall Electric Circuit Enclosure Between Transducer Circuits Transducer Circuit Control Circuit Between Electric Circuits Between Contacts Terminals Vibrating Frequency 1MHz Voltage Rising Time 75nsec Repeating Frequency 400Hz Output Impedance 2000 Applying Method Asynchronous Polarity Positive Negative IEC 60255 22 1 Electromagnetic 1MHz Control Source Circuit Compatibility Tests burst disturbance Common Mode 2 5 kV Differential Mode 1 0 kV ANSI IEEE C37 90 1 Transducer Circuit Common Mode 2 5 Differential Mode 1 0 kV Contact Circuit Common Mode 2 5 Differential Mode 1 0 kV w Feeder Protection and Control Unit PAC P100 User s Manual Electromagnetic Compatibility Tests Voltage Rising Time 5nsec 50 Peak Voltage Holding Time 50 Repeating Frequency 2 5kHz Burst Burst Holding Time 15msec Burst Burst Period 300msec IEC Applying Method 60255 22 4 Fast Asynchronous transients burst Mode ANSI AEEE Polarity Positive 037 901 Negative Applied Time Halted Time Imin Control Source Circuit 4 Transducer Circuit 4 Contact Circuit 4 Ground Circuit 4 Polarity Positive Negative Applied Count 10 times Applied Interval 1sec IEC 60255 22 2 discharge Applied Part Enclosure
57. n for a bus and a transformer O 8 protection elements OCGR SGR UVR OVR OVGR NSOVR Cold Load Pickup O Various TC curves including 4 IEC standard curves NI VI EI LI 2 KEPCO s EM type curves KEPCO NI KEPCO VI 2 inverse curves for UVR amp OVR O Control of CB open close on local remote mode Metering 3 phase voltages currents 3 phase active reactive apparent power Watt hour Var hour VA hour frequency power factor THD Total Harmonic Distortion and harmonics up to 31 O Event recorder up to 1024 events and 8 oscillographes at 64 samples cycle EMOS PAC Package Engineering tools for Easy Operation amp Analysis of setting modification event list and fault waveforms analysis H Graphic LCD 240x128 30 characters amp 16 lines for single line diagram harmonics bar graph and tree menu 6 indicators 11 buttons One front RS232 port for EMOS PAC and 2 rear RS485 ports for remote communications Self diagnosis doing supervisions of DC power CPU DSP and memory Watchdog settings range A D converter analog input circuits and digital I O circuits EasyLogic for sequence logic editing using 48 configurable logic components Self test functions for output contacts and front panel operation Flexible control source AC DC 110 220V 50 60Hz Auto calibration for analog input circuits Oo LH LH Access Security by password for settings and CB control Applications Pr
58. ntents 1 Overview Features Applications 2 Technical Data 2 1 2 2 2 3 24 2 5 2 6 27 General Specification Protection Elements Metering Recorder EasyLogic Communication Insulation Tests 3 Functional Description 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 Protection Functions Directional Overcurrent Directional Ground Overcurrent Sensitive Ground Overcurrent Under Voltage Over Voltage Ground Over Voltage Negative Sequence Over Voltage Cold Load Pickup Control Functions Circuit Breaker Control Operation Indicators Run Test System Error Pickup Trip Metering Functions Recording Functions Event Recorder Oscillograph Recorder Self Diagnosis Communication Interfaces EMOS PAC Package 4 Front Panel Operation 12 12 12 13 15 15 15 17 19 20 20 21 21 21 22 22 23 23 23 24 24 Feeder Protection and Control Unit PAC P100 User s Manual 4 Overview 25 Operation Indicators Settings Display 4 2 LCD Display 24 Basic Principles of LCD Display amp Keypad Manipulation Measurement Display Initial LCD Display Menu Tree 43 Navigating the Menu Tree 21 4 3 1 DISPLAY MENU 32 DISPLAY STATUS CONTACT INPUT DISPLAY STATUS CONTACT OUTPUT DISPLAY STATUS LOGIC COMPONENT DISPLAY STATUS SELF DIAGNOSIS DISPLAY STATUS PROTECTION DISPLAY METERING POWER QUANTITY DISPLAY METERING HARMONIC DISPLAY RECORDS EVENT DISPLAY RECORDS
59. o select an internal input element and block this protection function If Function item is set to disabled SGR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for SGR while SGR protection element is still being used Pickup values range from 5 to 50 V with 1 V value step for voltage and from 0 9 to 9 8 mA with 0 1 mA value step for current Operation time delay moves from 1 0 to 10 0 sec with 0 1 sec value step Block set to COLD LD OP of Table 4 3 2 EasyLogic Operand for example when SGR protection element is to be inhibited if cold load pickup protection is operated This protection element is used for the ground protection of non grounded network mH 0 M B lt 6495 gt SGR setting items 1 Function use or non use of SGR Enabled Disabled 2 Volt Pickup pickup start voltage 5 50 V step 1 V 3 Curr Pickup pickup start current 0 9 9 8 mA step 0 1 mA 4 OP Time operation time delay 0 05 30 00 sec step 0 01 sec 5 Block internal input element for blocking SGR Refer to Table 4 3 2 EasyLogic Operand gt 6 Events event recorded or not for SGR Enabled Disabled wa pne Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT UVR This menu is used to set values for the undervoltage protection element It is u
60. o the local operators on site or to the remote operators in control center Remote operator cannot control CB on the local mode and vice versa Security check by password inhibits the random mode change The CB Open or Close button is active at the Local mode This function performs open close command actions of the selected CB 3 3 Operation Indicators PAC P100 has 6 operation indicators to display the present operating condition and to indicate the internal monitoring of PAC P100 There are 4 indicating LED s for internal monitoring on front panel and all the operating statuses are displayed in the tree menu on LCD 4 LED indicators are Run Test System Error Relay Pickup and Trip Status menu on LCD displays contact inputs outputs status self diagnosis results logic components status etc Run Test Green Run Test LED is on in normal operation and blinking in performing test System Error PAC P100 supports self diagnosis function and supervises the abnormalities on control source memory CPU DSP contact inputs outputs set values connections and internal logic Red System Error LED is on for some trouble and LCD displays automatically the self diagnosis results in status menu After the error is settled down only the Reset button can reset the system of PAC P100 manually Pickup Trip These LED s indicate the operation or pickup of internal protection elements Yellow Relay Pickup LED is on for start value detection
61. oad pickup protection is operated Setting steps are as same as those of the previous setting menu lt Em lt OF 1 2 3 4 5 6 TIME OVGR setting items 1 Function use or non use of TOVGR Enabled Disabled 2 Curve DT Definite Time Inverse Overvoltage Inverse 3 Volt Pickup pickup start voltage 5 80 V step 1 V 4 Time Dial multiplier for Inverse curve 0 1 10 0 step 0 1 when Inverse is selected for 2 Curve item DT Time time delay for DT 0 05 30 00 sec step 0 01 sec when DT is selected for 2 Curve item 5 Block internal input element for blocking TOVGR Refer to Table 4 3 2 EasyLogic Operand gt 6 Events event recorded or not for TOVGR Enabled Disabled om pne Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT NSOVR This menu is used to set values for the protection element of negative sequence overvoltage It is used to enable disable functioning and event recording for NSOVR to set pickup start voltage value and delay time for definite time and to select an internal input element and block this protection function If Function item is set to disabled NSOVR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for NSOVR while NSOVR protection element is still being used Pickup value ranges from 5 to 125 with 1 value step Operation time delay for de
62. on this sequence logic can be downloaded to PAC P100 Reversely the sequence logic that is now set and stored in PAC P100 can be uploaded to and displayed on this editor program saved in file and reused for the logic composition of another PAC P100 AII the configuration data can be printed out Maximum number of available logic components is 16 Each logic component operand and operator are described in detail on chapter 4 Lp set ppj 5 52 gt t 62 PROT OP BRK1 OPN CTL gt gt Le BRK1 CLS gt gt BRK2 OPN CTL I Tr gt Le BRK2 CLS CTL 1 TOCR OP 1092 TMR_OFF 1 CB1_Close gt cere s gt gt be ir m E CB2 Close gt gt 0 20 5 11 TMR_Pulse 4 uude gt TOCGR OP 7 TMR_OFF 2 gt UVR_ALM 18 TMR_OFF 3 wi gt Figure 6 1 2 Setting Tool Sequence Logic Event amp
63. ontact outputs those contact outputs are not used and events are not recorded But only Event item can be disabled to prevent event recording for a specific contact output while that contact output is still being used Setting steps are as same as those of the previous setting menu and 16 different pages exist for the independent configurations of 16 contact outputs L1 Funcitioh Emsbled ID Cont OUT 01 2 Poe ent Disabled 4 Connection L ON lt gt CONTACT OUT setting items 1 A i use or non use of contact output Enabled Disabled 2 contact output identification 12 ASCII characters 3 A event recorded or not for contact output Enabled Disabled 4 Connection source connection to contact output for output signal Refer to lt Table 4 3 2 EasyLogic Operand gt Feeder Protection and Control Unit PAC P100 User s Manual SETTING EASYLOGIC LOGIC COMPONENT This setting of EasyLogic is used to enable disable the use of an internal terminal of logic component and event recording for that component to name its ID using ASCII character codes and to select the logical operator and logical inputs for logical output Logic component is outputted using the logically composed input signals and substitutes the unnecessarily additional external circuits If Function item is set to disabled for some lo
64. pe waveform recording length and type at 64 samples cycle 8x60 cycles default 4x120 cycles 2x240 cycles 2 Trig Source refer to Table 4 3 2 EasyLogic Operand gt 3 Trig Pos 0 99 96 default 50 percentage position of trigger from start point in the recorded waveforms When 40 is set for example 40 of all the recorded waveforms from the start is the before trigger waveform and the rest 60 is after trigger one Feeder Protection and Control Unit PAC P100 User s Manual SETTING SETUP BREAKER This setting is used to enable disable the control keypad for CB to name the ID of CB using ASCII character codes and to select contact inputs for Open Close CB status and contact output for trip count Setting steps are as same as those of the previous setting menu 1 Cont P r I No Connect e Enabl d BREAKER setting items 1 Function use or non use of COM Port Enabled Disabled 2 ID CB identification 12 ASCII characters 3 52a Input No Connect Cont IN 1 16 one of 5 digital input terminals connected to 52a contact or no connect 4 52b Input No Connect Cont IN 1 16 one of 5 digital input terminals connected to 52b contact or no connect These 2 input contacts a b contacts determine one of 3 CB statuses open closed abnormal unknown 5 Key Control local control permission of CB Enabled Disabled When disabled CB local control on display panel is inhibited
65. rectional component is enabled 3 Curve 7 TC characteristics curves IEC standards NI Normal Inverse VI Very Inverse El Extremely Inverse LI Long time Inverse DT Definite Time Induction type KVI KEPCO Very Inverse KNI KEPCO Normal Inverse Pickup pickup start current 0 1 2 5 A step 0 1 5 Time Dial multiplier for TC curve not for DT 0 1 10 0 step 0 1 when TC curve except DT is selected for 2 Curve item DT Time time delay for DT 0 05 30 00 sec step 0 01 sec only when is selected for 2 Curve item Polarizing Polarizing reference VOLT CURR VOLT or CURR 7 MTA maximum torque angle for voltage polarizing 90 90 step 1 ww Feeder Protection and Control Unit PAC P100 User s Manual MTA for current polarizing is fixed to 0 8 VoltOPickup pickup start voltage 5 50 V step 1 V 9 Block internal input element for blocking TOCGR refer to Table 4 3 2 EasyLogic Operand gt 10 Events event recorded or not for IOCGR Enabled Disabled 6 Polarizing 7 MTA and 8 VoltOPickup Settings are valid only when 2 Direction set to Forward or Reverse wu pne Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT SGR This menu is used to set values for the sensitive ground protection element It is used to enable disable functioning and event recording for SGR to set pickup start voltage current values and operation delay time and t
66. red values of current voltage and operation description And this function follows the FIFO First In First Out rule If the order of event occurrence is investigated along with fault waveforms then the cause of the fault and the mal operations of equipment can be deduced Stored events can be uploaded to and listed on EMOS PAC PC S W through RS232 port on front panel Oscillograph Recorder Fault waveforms recording function is used to store the measured instantaneous current voltage values of pre fault and post fault at 64 samples per cycle Record length trigger source and trigger position of pre post fault in recorded data are adjustable The record types are 2 blocks x 240 cycles 4 blocks x 120 cycles or 8 blocks x 60 cycles According to the purpose operators can set the fault recording trigger source and trigger position of pre fault post fault Trigger position means the percentage position in recorded fault data and the pre fault data are recorded before this point and rest of the data are recorded as the post fault after this point The Recorded fault waveforms are also uploaded to EMOS PAC PC S W and current voltage waveforms at fault and protection elements operation can be analyzed with fault evaluation program 3 6 Self Diagnosis Function As monitoring internal operating status self diagnosis function is provided to prevent the mal operations of PAC P100 Diagnosed items are control source memory CPU set values DS
67. row keys determine the tree node and value change and ENT key sets the determined values The graphical LCD shows single line diagram and measurement data in the Measurement Display and even bar graphs of harmonics and THD Total Harmonic Distortions in the metering display menu All the menu items and set values take the rollover schemes using Up Down keys Measurement Display Initial LCD Display Initial Measurement Display shows 7 measurement displays event and fault recording counts single line diagram selected device name trip counts and system real time clock PAC P100 7 measurement data are Voltage phase A B C Current phase A B C A Phase A phase s voltage current active reactive apparent power B Phase B phase s voltage current active reactive apparent power C Phase C phase s voltage current active reactive apparent power Total 3 phase active reactive apparent power power factor frequency Energies kWh kVARh kVAh These displays are rolled over by Up Down arrow keys Events and Waves means the number of recorded event and fault data respectively and TripCnt is the trip count And the real time clock represents system time in the order of year month day hour minute and second PAC P100 follows the SBO Select Before Operate rule and when a CB is selected by OPNE Feeder Protection and Control Unit PAC P100 User s Manual SELECT control keypad button Measurement Display presents th
68. s 1 Right arrow key from CLEAR Wh Varh menu in Menu Tree 2 Enter settings modification password and Right arrow key again 3 Select Yes to clear or No to cancel and ENT key 4 Result message shows up and Return to Menu Tree Feeder Protection and Control Unit PAC P100 User s Manual COMMAND CLEAR EVENTS amp CLEAR WAVEFORMS CLEAR EVENTS and CLEAR WAVEFORMS commands are used to clear and erase all the recorded event data and fault waveforms data respectively from the memory of PAC P100 Settings modification password is also used in these commands Clear Waveform Record Clear ALI Waveforms N 0 e Escape 4 Value ENT CLEAR EVENTS amp CLEAR WAVEFORMS commands steps 1 Right arrow key from CLEAR EVENTS or CLEAR WAVEFORMS menu 2 Enter settings modification password and Right arrow key again 3 Select Yes to clear or No to cancel and ENT key 4 Result message shows up and Return to Menu Tree COMMAND CONTACT OUT TEST CONT OUT TEST command is used to test Energized 1 and DeEnergized 0 of 16 contact outputs individually During the test Run Test LED on front face display panel is blinking green if the test result 15 OK otherwise error message will show up Settings modification password is also required in this command Contac D D D D D lt gt CONT OUT TEST command steps Right arrow key from CONT OUT TEST
69. s modification password and Right arrow key again 3 Change the value using Up Down keys 4 Ent key to set and save the value and Return to Menu Tree om pne Feeder Protection and Control Unit PAC P100 User s Manual 5 Dimensions and External Connections PAC P100 is designed as draw out type and external connection installation and maintenance are easily managed 5 1 Dimensions 4h ty wi ZU ff Sep EL Protzetlan Canteal Unit A d pi ACP 100 Sy Errar olay up CJ X x p 4 lt gt foo OPEN cur 4 B E Beo Figure 5 1 1 Dimensioned Drawings of 100 gt OPNE Feeder Protection and Control Unit PAC P100 User s Manual 5 2 Rear Terminals
70. sed to enable disable functioning and event recording for UVR to select TC curve to set pickup start voltage value time multiplier for Inverse curve and delay time for definite time and to select an internal input element and block this protection function If Function item is set to disabled UVR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for UVR while UVR protection element is still being used Pickup value ranges from 30 to 100 V with 1 V value step Time dial multiplier for Inverse curve moves from 0 1 to 10 0 with 0 1 value step and time delay for definite time does from 0 05 to 30 00 sec with 0 01 sec value step Block set to COLD LD OP of Table 4 3 2 EasyLogic Operand for example when UVR protection element is to be inhibited if instantaneous overcurrent protection is operated Setting steps are as same as those of the previous setting menu D B E lt 14 gt 1 Function use or non use of UVR Enabled Disabled 2 Curve DT Definite Time Inverse Undervoltage Inverse 3 Volt Pickup pickup start voltage line to line 30 100 V step 1 V 4 Time Dial multiplier for Inverse curve 0 1 10 0 step 0 1 when Inverse is selected for Curve item DT Time time delay for DT 0 05 30 00 sec step 0 01 sec when DT is selected for 2 C
71. suring accuracy 1 0 1 to 31 harmonics analysis for current voltage per phase Harmonics Bar graph for ratio of harmonics RMS to fundamental THD Total Harmonic Distortion Current Power Factor Energy mw Feeder Protection and Control Unit PAC P100 User s Manual 12 94 2 4 2 5 2 6 Recorder Events Total number Up to 1024 time tagged events Time resolution ms Event items Relaying element pickup release operate Status change of I O contacts CB control Self diagnosis error Setting value change Recorded data clear Trip counter setting etc Features Electric values voltage current phase freq are recorded together in case of event for relaying element Data are stored even if control source is missing Oscillographies Total number Up to 8 configurable Record type BlocksxCycles 2x240 4x120 8x60 Sample rates Trigger source 64 samples cycle Operation of relaying element Status change of I O contacts CB control Operation of logic component etc Trigger position 0 99 of set block Recorded data Voltage Current I O contacts status Relaying elements status Features EasyLogic Operand COMTRADE file format Data are stored even if control source is missing CB open close control Relaying element operate status Self diagnosis status Contact inputs status Logic compon
72. t 35ms Inst op time 100ms 5 op time gt 100ms Function Disabled Forward Reverse MTA 90 90 1 step Memory Voltage 15 at 3 phase Near Fault Voltage Pickup 3 of rated voltage value Phase Angle Accuracy lt 3 lt 3 of set value lt 35115 Inst op time lt 10015 5 time gt 100ms Function Disabled Forward Reverse MTA 90 90 1 step Voltage Pickup 5 50V 1V step Phase Angle Accuracy lt 3 DDpNC Feeder Protection and Control Unit PAC P100 User s Manual Voltage Protection 2 UVR 27 OVR 59 OVGR 59N ements Instantaneous Pickup 30 100 V 1 V step 110 170 V 1 V step 2 Vp Valet 5 780 V 1 V step TC curve Inverse DT Inverse DT Inverse DT Multiplier 0 1 10 0 0 1 step 0 1 10 0 0 1 step 0 1 10 0 0 1 step DT operate time 0 05 30 00 sec 0 05 30 00 sec 0 05 30 00 sec 0 01 sec step 0 01 sec step 0 01 sec step Reset ratio 97 96 of pickup value 97 96 of pickup value gt 97 96 of pickup value Operation accuracy lt 3 of set value 3 94 of set value 3 94 of set value lt 35115 Inst lt 35105 Inst lt 35105 Inst Timing op time 100ms op time 100ms op time 100ms 5 5 5 op time gt 10025 op time gt 100 op time gt 100ms Sensitive Ground Protection Protection Elements SGR 67G Voltage pickup 5 50 V 1 V step Current pickup 0 9 9 8 mA 0 1 mA
73. t contact Left arrow key escapes from the menu 2 3 4 5 6 7 8 9 0 1 2 eO O00 000000 occcccccocc 222 db HHH dt dt dt m m O 5 Nr uocccocooccoccc 0000000 Ej E E E bn bn EN EN Hm orm 000000070 um umm umm goa ge go 92 go go 92 va go yo va N N NN N N N N NN 0000000 Feeder Protection and Control Unit PAC P100 User s Manual DISPLAY STATUS LOGIC COMPONENT This menu displays On Off status information of 48 logic components Each logic sequence can be configured in SETTING menu and if a logic component outputs to be logical high is presented for that logic component Left arrow key escapes from the menu and Up Down arrow keys scroll up down and roll over to show all list items c D nao Minna M M M M M M M M z z X dk dk dk db 4 db db dt db dt Ur EERTE E EI ococcccccccooc ge yo ya va yva va va 00000000000 m m 2 lt lt Ur mb
74. tenance SETTING menu is composed of SYS SETUP LOGIC PROT COMP and CALIBRATION sub menus This menu is used for settings modification and it includes passwords keypad lockup analog circuit system time recordings circuit breaker communication input output contacts logic components and protection elements CALIBRATION menu has no sub menus and is used to calibrate current and voltage values for the references on the installation of PAC P100 COMMAND menu is composed of CLEAR Wh Varh CLEAR EVENTS CLEAR WAVEFORMS TRIP COUNTER SET CONT OUT TEST and PANEL TEST sub menus This menu is used to clear the memory of accumulation data recorded event and fault data to set trip counter value and to test output contacts and LCD LEDs of front face display panel All the menu trees are described in the following table 4 2 1 and the details of menu items are described in the next sections QpPNC Feeder Protection and Control Unit PAC P100 User s Manual STATUS CONTACT CONTACT OUTPUT LOGIC COMPONENT SELF DIAGNOSIS PROTECTION SETUP PASSWORD METERING HARMONIC CONTACT OUTPUT WAVEFORM SETTING POWER SYSTEM I RTC TRIP CNT WAVEFORM SET RECODE BREAKER COLD LOAD PICKUP Figure 4 2 Menu Tree Feeder Protection and Control Unit PAC P100 User s Manual Initial Measurement Display Left key Tr
75. tion OVR of PAC P100 supports the definite time element and the inverse time element and the inverse time element uses Inverse TC curve OVR also can be used to generate only alarm signal to operator instead of trip signal to circuit breaker VA PICKUP TRIP VB PICKUP VC PICKUP 0 05 30 00s FUNC ENABLED OV BLOCK lt Figure 3 8 Functional Diagram for Overvoltage Element Feeder Protection and Control Unit PAC P100 User s Manual Ground Over Voltage Ground overvoltage protection OVGR is operated by the zero sequence voltage on earth fault and this protection element is also used either in alarm mode or in trip mode OVGR of PAC P100 supports the definite time element and the inverse time element and the inverse time element uses the same P amp C OVR Normal Inverse TC curve as overvoltage protection VO PICKUP ENABLED BLOCK lt Figure 3 9 Functional Diagram for Ground Overvoltage Element TRIP 0 05 30 00s Negative Sequence Over Voltage The Negative sequence voltage element operates as the overvoltage element on the calculated V2 Negative Sequence Voltage NS PICKUP TRIP FUNC ENABLED 0 05 30 00s NSOVR BLOCK Figure 3 10 Functional Diagram for Ground Negative SequenceOvervoltage Element Cold Load Pickup Abruptly applied voltage in the line open state can cause a phenomenon that
76. tion and Control Unit PAC P100 User s Manual Protection Setting This setting is a main settings modification of PAC P100 and is related to the setting items of protection elements In the sub frames it is separated into OCR OCGR OVGR UVR OVR SGR and Cold Load Pickup The selected TC curve represents each inverse time element and reflects the change of time dial multiplier Refer to LCD setting menu on chapter 4 Operational Description for more detailed explanation Disabled Time sec M oC CEU E o Enabled Disabled Do dy Em ri A L amp ond BH reme prune Disabled Figure 6 1 2 Setting Tool Protection Wa pne Feeder Protection and Control Unit PAC P100 User s Manual Sequence Logic EasyLogic Configuration Graphic Editor Graphical editor is provided to compose sequence logic easily and graphically and to upload the present logic configuration from PAC P100 to PC and download the edited logic configuration to PAC P100 in a batch job The graphic objects for up to 16 logic components are AND OR NOT LATCH Timer and Internal Logic Input And the sequence logic is composed by connecting objects each other After finishing editing and logic configurati
77. urve item 5 Block internal input element for blocking UVR refer to Table 4 3 2 EasyLogic gt 6 Events event recorded or not for UVR Enabled Disabled wm OPNE Feeder Protection and Control Unit PAC P100 User s Manual SETTING PROTECT OVR This menu is used to set values for the overvoltage protection element It is used to enable disable functioning and event recording for OVR to select TC curve to set pickup start voltage value time multiplier for Inverse curve and delay time for definite time and to select an internal input element and block this protection function If Function item is set to disabled OVR protection element is not used and events are not recorded But only Event item can be disabled to prevent event recording for OVR while OVR protection element is still being used Pickup value ranges from 110 to 170 V with 1 V value step Time dial multiplier for Inverse curve moves from 0 1 to 10 0 with 0 1 value step and time delay for definite time does from 0 05 to 30 00 sec with 0 01 sec value step Block set to COLD LD OP of Table 4 3 2 EasyLogic Operand for example when OVR protection element is to be inhibited if instantaneous overcurrent protection is operated Setting steps are as same as those of the previous setting menu T B E OVR setting items 1 Function use or non use of OVR Enabled Disabled 2 Curve DT Definite Time
78. ypad and engineering tool batch download using Setting Tool EMOS PAC SETTING menu has 4 submenus SYS SETUP is for the general system setup LOGIC is for I O contacts and logic components PROT COMP is for 10 protection elements and CALIBRATION is for the initial installation Password enter is always required when the setting values are to be changed and the updated setting values are stored and reflected after yes no confirmation escaping SETTING menu And once the password is entered using ENT key it doesn t need to be entered again while in SETTING menu New values are set and selected using arrow keys and ENT keypad button SETTING SETUP PASSWORD There are 2 types of passwords for PAC P100 Settings modification password and Control action password Settings modification password is used for modification of setting values on LCD and control action password is used for manipulation of 4 control keypad buttons on front face display panel Both passwords are 4 digit decimal 0 9 numbers and have the initial values of 0000 on delivery of PAC P100 System Passwords 2 Control PASSWORDS setting steps Right arrow key from PASSWORDS menu in Menu Tree Select which password to change using Up Down keys and Right key Enter original settings modification password if required Change or select each of 4 digit values using arrow keys and ENT key Save setting changes in escaping SETTING menu or Change other values Sip wm OPNE

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