Ormazabal ekor.rps General Instructions Manual Download Page 4

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IG-150-EN version 04; 03/10/16

Contents

General instructions

ekor.rps

4.6.2. Phase directional by sequences (67) . . . . . . . . .63

4.6.3. Neutral directional (67N); polarization

by S

). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

4.6.4. Neutral directional (67N); polarization

by S - (V

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

4.6.5. Neutral directional (67N); polarization

by S

+ S - (V

+ V

) . . . . . . . . . . . . . . . . . . . . . . . . . .66

4.6.6. Neutral directional (67N); polarization

by I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

4.6.7. Neutral directional (67N); polarization

) . . . . . . . . . . . . . . . . . . . . . . . . . . .67

4.6.8. Neutral directional (67N); polarization

by S – + I (V

+ I

pol

). . . . . . . . . . . . . . . . . . . . . . . . . . .67

4.6.9. Neutral directional (67N); polarization

) . . . . . . . . . . . . . . . . . .68

4.6.10. Neutral directional (67N); watimetric

directional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

4.6.11. Neutral directional (67N);

I*cos (φ)/I*sen (φ) directional . . . . . . . . . . . . . . . .70

4.7.

Sensitive neutral overcurrent protection . . . . .72

4.7.1. General description . . . . . . . . . . . . . . . . . . . . . . . . .72

4.7.2. Setting ranges of the timed characteristic

(6 tables) (normal and HIGH2) . . . . . . . . . . . . . . .72

4.7.3. Setting ranges of the instantaneous

characteristic (single level) (6 tables)

(normal and HIGH2). . . . . . . . . . . . . . . . . . . . . . . . .72

4.7.4. Directionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

4.8.

Current unbalance protection . . . . . . . . . . . . . . .77

4.8.1. General description . . . . . . . . . . . . . . . . . . . . . . . . .77

4.8.2. Setting ranges of the timed characteristic

(6 tables) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

4.8.3. Setting ranges of the instantaneous

characteristic (6 tables). . . . . . . . . . . . . . . . . . . . . .77

4.9.

Broken conductor protection. . . . . . . . . . . . . . . .78

4.9.1. General description . . . . . . . . . . . . . . . . . . . . . . . . .78

4.9.2. Setting ranges (6 tables). . . . . . . . . . . . . . . . . . . . .78

4.10. Phase characteristic voltage control

(function 51 V/50 V) . . . . . . . . . . . . . . . . . . . . . . . . .78

4.10.1. Mode 1 (51 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

4.10.2. Mode 2 (51 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

4.10.3. Mode 2 (50 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

4.10.4. Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

4.11. High current lockout . . . . . . . . . . . . . . . . . . . . . . . .80

4.11.1. Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

4.11.2. Setting (table 0, single). . . . . . . . . . . . . . . . . . . . . .80

4.12. Cold load pickup. . . . . . . . . . . . . . . . . . . . . . . . . . . .80

4.12.1. Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

4.12.2. Settings (table 0, single) . . . . . . . . . . . . . . . . . . . . .81

4.13. Isolated neutral protection . . . . . . . . . . . . . . . . . .82

4.13.1. General description . . . . . . . . . . . . . . . . . . . . . . . . .82

4.13.2. Setting ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

4.14. Overvoltage protection . . . . . . . . . . . . . . . . . . . . .83

4.14.1. General description . . . . . . . . . . . . . . . . . . . . . . . . .83

4.14.2. Setting ranges of the timed characteristic

(6 tables) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

4.14.3. Setting ranges of the Instantaneous

characteristic (6 tables). . . . . . . . . . . . . . . . . . . . . .84

4.15. Undervoltage protection . . . . . . . . . . . . . . . . . . . .84

4.15.1. General description . . . . . . . . . . . . . . . . . . . . . . . . .84

4.15.2. Setting ranges of the timed characteristic

(6 Tables) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

4.15.3. Setting ranges of the instantaneous

characteristic (6 tables). . . . . . . . . . . . . . . . . . . . . .85

4.16. Voltage unbalance protection . . . . . . . . . . . . . . .85

4.16.1. Timed characteristic. . . . . . . . . . . . . . . . . . . . . . . . .85

4.16.2. Instantaneous characteristic. . . . . . . . . . . . . . . . .86

4.17. Zero sequence overvoltage protection . . . . . .86

4.17.1. Setting range (6 tables) . . . . . . . . . . . . . . . . . . . . .87

4.18. Frequency protection . . . . . . . . . . . . . . . . . . . . . . .87

4.18.1. Minimum frequency . . . . . . . . . . . . . . . . . . . . . . . .88

4.18.2. Maximum frequency . . . . . . . . . . . . . . . . . . . . . . . .88

4.18.3. Frequency gradient . . . . . . . . . . . . . . . . . . . . . . . . .88

4.19. Fuse failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

4.20. Teleprotection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

4.20.1. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

4.20.2. Setting range (6 tables) . . . . . . . . . . . . . . . . . . . . .91

4.20.3. Protection trip mask (6 tables) . . . . . . . . . . . . . . .92

4.20.4. Used signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92

4.21. Thermal image. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

4.21.1. General description . . . . . . . . . . . . . . . . . . . . . . . . .96

4.21.2. Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

4.21.3. Trip times. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

4.21.4. Heating curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98

4.21.5. Cooling curves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98

4.22. Field loss protection. . . . . . . . . . . . . . . . . . . . . . . . .99

4.22.1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99

4.22.2. General settings range . . . . . . . . . . . . . . . . . . . . . .99

4.22.3. MHO area settings range . . . . . . . . . . . . . . . . . . 100

4.23. Power protection . . . . . . . . . . . . . . . . . . . . . . . . . 101

4.23.1. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

4.23.2. Minimum power protection . . . . . . . . . . . . . . . 101

4.23.3. Maximum power protection. . . . . . . . . . . . . . . 102

4.23.4. Reverse power protection . . . . . . . . . . . . . . . . . 102

4.23.5. Reactive power reverse protection. . . . . . . . . 103

4.23.6. Minimum apparent power protection . . . . . 103

4.23.7. Maximum apparent power protection . . . . . 104

4.24. Breaker monitorin. . . . . . . . . . . . . . . . . . . . . . . . . 104

4.24.1. General description . . . . . . . . . . . . . . . . . . . . . . . 104

4.24.2. Setting range (6 tables) . . . . . . . . . . . . . . . . . . . 105

4.24.3. Coil monitoring example . . . . . . . . . . . . . . . . . . 105

4.25. Coil monitoring example . . . . . . . . . . . . . . . . . . 106

4.25.1. General description . . . . . . . . . . . . . . . . . . . . . . . 106

4.25.2. Setting range (6 tables) . . . . . . . . . . . . . . . . . . . 106

4.26. Breaker failure protection . . . . . . . . . . . . . . . . . 106

4.26.1. General description . . . . . . . . . . . . . . . . . . . . . . . 106

4.26.2. Setting range (6 tables) . . . . . . . . . . . . . . . . . . . 107

4.27. Tap changer locking (50TCL function). . . . . . 107

4.28. Locking of the protection functions . . . . . . . 107

4.29. Fault locator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

4.29.1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

4.29.2. Programming settings and

collecting results. . . . . . . . . . . . . . . . . . . . . . . . . . 108

4.29.3. Locator operation. . . . . . . . . . . . . . . . . . . . . . . . . 109

Summary of Contents for ekor.rps

Page 1: ...LIB ekor rps Multifunctional protection unit Volume 1 of 3 General instructions IG 150 EN version 04 03 10 16 ...

Page 2: ...lectrical installations Personnel must be fully familiar with the instructions and warnings contained in this manual and in other recommendations of a more general nature which are applicable to the situation according to current legislation 1 The above must be carefully observed as the correct and safe operation of this equipment depends not only on its design but also on general circumstances wh...

Page 3: ... 3 Programming of LEDs 47 3 4 Programming of general settings 47 3 4 1 General description 47 3 4 2 Setting ranges table 0 single 48 3 5 Communication configuration 49 3 5 1 Communication via front door Port 1_1 and rear port Nr 2 Port 1_2 COM 1 49 3 5 2 Communication via rear port Nr 1 Port 2 COM 2 49 3 5 3 Ethernet communication 51 3 6 Other configuration settings 52 3 6 1 Frequency 52 3 6 2 Lan...

Page 4: ... 4 14 2 Setting ranges of the timed characteristic 6 tables 83 4 14 3 Setting ranges of the Instantaneous characteristic 6 tables 84 4 15 Undervoltage protection 84 4 15 1 General description 84 4 15 2 Setting ranges of the timed characteristic 6 Tables 84 4 15 3 Setting ranges of the instantaneous characteristic 6 tables 85 4 16 Voltage unbalance protection 85 4 16 1 Timed characteristic 85 4 16 ...

Page 5: ...ts 123 7 2 fault records 124 7 3 Measurements 125 7 3 1 Measurements at the secondary 125 7 3 2 Measurements at the primary 126 7 4 Measurements historical report 127 7 4 1 General description 127 7 4 2 Settings range 6 tables 127 7 5 Statistical data 127 7 6 Protection status 128 7 6 1 By keyboard display 128 7 6 2 Through PC protections console 128 7 7 Oscillograph data recorder 128 8 Other func...

Page 6: ...am 1 2 Functions 1 Protection Standard functions a Three phase overcurrent protection 3 x 50 51 with two instantaneous levels b Neutral overcurrent protection 50N 51N with two instantaneous levels c Phase current unbalance protection 46 d Broken conductor protection 46 BC e Breaker monitoring f Close and trip circuit monitoring g Breaker failure h 2nd harmonic restraint Functions depending on mode...

Page 7: ... NB 50 51 50 51N 46 46BC 50BF three phase 74TC CC NC Model NB 50 51NS 49 51 V cold load pickup 50TCL 68FF ND Model NC 59 27 47 59N 81 O U 81R 25 NE Model ND FL For all of them the 79 function is optional 2 Directional DB 67 67N 46 46BC 50BF three phase 74TC CC DD Model DC 59 27 47 59N 81 O U 81R 25 DE Model DD 2nd unit 67 67N 50BF single phase DF Model DE FL For all of them the 79 function is opti...

Page 8: ...measurement 2 3 Optional operating temperature Battery voltage measurement and optional operating temp Current polarized 67N No 0 Yes 1 V0 or IN calculation None 0 1 V0 calculated 2 IN calculated Both only for models DD current polarized 67N DE current polarized 67N DF current polarized 67N 3 Programmable Protocol Programmable Protocol Programmable Protocol Programmable Protocol Note 1 Note 1 Note...

Page 9: ... current polarized 67N INS I0 VSYNC IN and V0 calculated Model de Same transformer arrangement as model dd Model de current polarized 67N Same transformer arrangement as model dd current polarized 67N Model df Same transformer arrangement as model dd Model df current polarized 67N Same transformer arrangement as model dd current polarized 67N Model ib IN V0 VSYNC Model ib current polarized 67N IN ...

Page 10: ...active Moreover the pushbuttons to be effective push button enable setting must be set as YES see other configuration settings chapter 3 2 line 16 character LCD 4 7 red LEDS and one green red 5 RS232 connector for direct connection with a PC PROCOME protocol 1 4 2 Remote Depending on model the rear board has one or two ports which can be glass fiber optic ST type connector plastic fiber optic RS23...

Page 11: ...puts 6 independent 3 with a common point 7 outputs 4 independent 3 with a common point c Extended option 2 adds to the standard 5 independent inputs 6 outputs 4 independent 2 with a common point 2 analog outputs 0 to 5 mA for other ranges please consult Ormazabal s technical commercial department 6 Rear communication a Glass optical fiber GOF b Plastic optical fiber POF c RS232 d RS485 e GFO GFO f...

Page 12: ...nce Acc to EN 61000 6 4 10 Immunity to radiated fields Acc to IEC 61000 4 3 class III 11 Immunity to conducted Acc to IEC 61000 4 6 class III radiofrequency signals 12 Immunity to low frequency Acc to IEC 61000 4 8 radiated fields 1 7 2 Environmental tests 1 Cold Acc to IEC 68 2 1 40 C 2 Dry heat Acc to IEC 68 2 2 85 C 3 Humid heat Acc to IEC 68 2 3 70 C 93 relative humidity 4 Change of temperatur...

Page 13: ... 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 16 15 14 13 12 X3 11 8 7 6 5 4 3 2 1 XFA 2 3 Power Supply Vdc ED16 ED15 ED14 ED13 ED12 ED11 ED10 ED9 ED6 ED5 ED4 ED3 ED2 ED1 0V 5 Tx 3 Rx 2 SD6 SD5 SD4 SD3 SD2 SD1 DC DC T1 IA T2 IB T3 IC T4 IN T6 VA T7 VB T8 VC A X1 ED17 X3 B C C B A 52 General trip Close Phase trip Ground trip Free Free 52 state Close command Open command ED7 ED8 12 13 14 15 16 IRIG B 11 13...

Page 14: ... DC DC T1 IA T2 IB T3 IC T4 IN T6 VA T7 VB T8 VC A X1 ED17 X3 B C C B A 52 T5 INS General trip Close Phase trip Ground trip Free Free 52 state Close command Open command ED7 ED8 12 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 Free Free Free Synchronization OPTIONAL HW status 1 OPTIONAL Free Free or Ethernet Rear Port C...

Page 15: ...RIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 OPTIONAL 1 Plastic O F Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Glass O F Tx OPTIONAL OPTIONAL HW status Free Free Ground trip Phase trip Close General trip Port COM1 RS232 Front OPTIONAL Port COM1 Rear Port COM2 Rear Open command Free Synchronization Free Free Free Free Close command 52 stat...

Page 16: ...B T8 TC A X1 ED17 X3 B C C B A 52 ED7 ED8 12 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 OPTIONAL 1 X3 10 9 T5 V0 Open command Free Synchronization Free Free Free Free Close command 52 state Rx Glass O F RS232 Plastic O F Tx Rx 2 DTR 4 RTS 7 0V 5 Tx 3 Port COM1 RS232 Front Port COM1 Rear OPTIONAL Port COM2 Rear HW sta...

Page 17: ...B A 52 ED7 ED8 12 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 X3 10 9 T5 V0 Trip direction RS232 Tx Rx Rx 2 DTR 4 RTS 7 0V 5 Tx 3 RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL Open order Not configured Synchronization Not configured Not configured Not configured Not configured Close order 52 status Glass O F Plastic...

Page 18: ...7 ED8 12 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Tx T9 I0 polarization 17 18 RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close command 52 status Glass O F Plastic O F Port...

Page 19: ... B C C B A 52 T5 INS ED7 ED8 12 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Tx 17 18 T9 V0 RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close command 52 status Glass O F Plasti...

Page 20: ...D8 12 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Tx 17 18 RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close command 52 status Glass O F Plastic O F Port 1A RS232 Front Port 1...

Page 21: ... 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Tx 17 18 RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close command 52 status Glass O F Plastic O F Port 1A RS232 Front Po...

Page 22: ...IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Tx T5 I0 17 18 RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close command 52 status Glass O F Plastic O F Port COM1 RS232 Front Port COM1 Rear O...

Page 23: ...7 X3 B C C B A 52 T5 V0 ED7 ED8 12 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Tx RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close command 52 status Glass O F Plasti...

Page 24: ...2 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Tx T5 I0 17 18 RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close command 52 status Glass O F Plastic O F Port COM1 RS232 Front Po...

Page 25: ... 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Tx T5 I0 17 18 RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close command 52 status Glass O F Plastic O F Port COM1 RS232 Fro...

Page 26: ...D3 SD2 SD1 DC DC T1 IA T2 IB T3 IC T4 IN T6 VA T7 VB T8 VC A X1 ED17 X3 B C C B A 52 T5 INS ED7 ED8 12 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 Rx RS232 Tx 3 Rx 2 0V 5 RTS 7 DTR 4 Tx RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL OPTIONAL Open command Not configured Synchronization Not configured Not configured No...

Page 27: ...IN T6 VA T7 VB T8 VC X1 ED17 X3 C B A 52 ED7 ED8 12 13 14 15 16 IRIG B 11 13 12 SD7 25 SD14 26 14 SD8 SD9 SD10 SD11 SD12 SD13 23 24 22 21 19 20 17 18 15 16 X2 18 20 22 24 26 28 1 X3 10 9 T5 INS T9 V0 18 17 Rx RS232 Tx Rx 2 DTR 4 RTS 7 0V 5 Tx 3 RS485 3 2 4 1 5 GND Power supply Vdc OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close...

Page 28: ...ED8 12 13 14 15 16 IRIG B 11 13 12 SD7 1 X3 10 9 T5 Trip direction T9 17 18 Power supply Vdc Trip coil 52 open supervision Not configured Synchronization Not configured Not configured Close coil 52 open supervision Close coil 52 close supervision Trip coil 52 close supervision 52 status Internal communication with TCP s CPU Port 1 RS232 Front Port 2 TTL level HW status Unbalance trip Instantaneous...

Page 29: ... 12 13 14 15 16 IRIG B 11 13 12 SD7 1 Rx Tx ED12 ED13 ED10 ED11 ED9 SD11 SD10 SD13 SD9 SD8 25 26 24 23 21 22 20 19 X1 18 17 20 25 26 24 19 18 17 16 15 X2 14 21 23 22 SD12 29 28 31 30 27 32 SA1 SA2 Power supply Vdc OPTION 2 OPTIONAL OPTIONAL Open command Not configured Synchronization Not configured Not configured Not configured Not configured Close command 52 status Port COM1 RS232 Front Port COM2...

Page 30: ...rminals corresponding toT6 andT9 transformers because VA VB and VC measurement transformers have a common point that is compound voltages cannot be connected with closed type terminals but only single voltages can Connections of the analogue inputs in models with closed type terminals 14 13 12 11 8 7 6 5 4 3 2 1 T1 IA T2 IB T3 IC T4 IN T6 TA T7 TB T8 TC X3 10 9 T5 V or I ac to model 16 15 T9 V or ...

Page 31: ... O N 1 SD13 SD12 SD11 SD10 SD9 SD8 31 32 30 29 25 28 27 25 26 24 23 21 22 X1 20 19 18 17 26 20 23 24 22 21 19 18 17 16 15 14 Figure 1 20 9 digital inputs DI 7 digital outputs DO ED12 ED13 ED10 ED11 ED9 O P T I O N 2 SD11 SD10 SD13 SD9 SD8 25 26 24 23 21 22 20 19 X1 18 17 20 25 26 24 19 18 17 16 15 X2 14 21 23 22 SD12 29 28 31 30 27 SA1 SA2 32 Figure 1 21 5 DI 6 DO 2 analog outputs AO ...

Page 32: ...C RS485 RS232 Display LCD Keyboard Push butt Relays outputs Digital inputs IRIG B input LEDs Port 1 1 RS232 DSP Lowpass Filters Programmable amplifiers Wavemakers I A I B I C I N I NS optional V A V B V C V SYNC optional Address data bus uP Communic SPI statics dinamic RAM 8 MB RAM 2 MB FLASH 2 MB PLD Figure 1 22 Blocks diagramm ...

Page 33: ... EN version 04 03 10 16 33 General instructions ekor rps Hardware 2 Hardware 2 1 Constructive characteristics Horizontal box ekor rps h Figure 2 1 Unit s external dimensions mm Figure 2 2 Panel cut off in mm ...

Page 34: ...IG 150 EN version 04 03 10 16 34 Hardware General instructions ekor rps 2 2 Constructive characteristics ekor rps tcp Figure 2 3 Unit s external dimensions mm Figure 2 4 Panel cut off in mm ...

Page 35: ...IG 150 EN version 04 03 10 16 35 General instructions ekor rps Hardware 2 3 Rear terminals Figure 2 5 Standard all for pin type terminals Figure 2 6 Option with closed type terminals for analog inputs ...

Page 36: ...0 16 36 Hardware General instructions ekor rps 2 4 Options for rear communications ports OF glass or plastic RS 485 RS 232 Figure 2 7 Single port OF OF RS 485 RS 232 RS 232 RS 232 OF RS232 Ethernet OF OF Figure 2 8 Double port ...

Page 37: ...IG 150 EN version 04 03 10 16 37 General instructions ekor rps Hardware Ethernet RJ45 OF Eth RJ45 RS232 Eth RJ45 RS485 Figure 2 9 Ethernet ...

Page 38: ...mber 3 and 4 if a connection is done on the bus side as it is shown in the figure a unit can be removed without causing a loss in the chain continuity 1 2 3 5 6 7 7 7 8 3 2 4 2 2 2 2 1 Computer 2 Screen 3 Network end R 120 Ohms 4 DB9 Female type rear connector in the unit 5 Screened twisted pair 6 Last unit 7 ekor rps unit 8 Rest of DB9 connector terminals without inner connection Figure 2 10 RS48...

Page 39: ...2 6 Connection between fiber optic and a radio modem The contact of the ekor rps protection is made by programming a digital output such as RTS control 1 2 3 4 5 1 ekor rps 2 FO RS232 converter 3 Radio 4 RTS contact 5 12 Vdc aprox Figure 2 11 Connection between fiber optic ...

Page 40: ...s allowed Losses km Connection losses Glass 62 5 125 μm 8 db 4 db 0 5 db Table 2 2 Pérdidas según el tipo de fibra 12 The maximum transmission distance is calculated as follows ME PC PP l where PP Losses in the link PC Additional connection insertion losses ME Aging margin should be 3 db Δ Cable attenuations in db Km 13 Maximum distance that can be reached In the worst possible conditions In the b...

Page 41: ... load a for 220 Vdc 0 15 A b for 125 Vdc 0 4 A c for 48 Vdc 2 A 4 Breaking capacity L R 40 ms a for 125 Vdc 0 25 A b for 48 Vdc 0 5 A 2 8 3 Digital inputs optoisolated 1 Extended range High operating range 86 up to 280 Vdc inactive below 60 Vdc Low operating range 18 up to 160 Vdc inactive below 13 Vdc Consumption 3 mA They are single directionals In the interconnection diagrams they are presented...

Page 42: ...ir 4 ekor rps unit Figure 2 14 IRIG B input The input circuit is a 390 Ω serial resistance with an optoacoplator fora5 Vsignal theapproximateconsumption is 10 mA The number of units that can be connected in parallel to a generator depends on its capacity of supplying output current a typical value could be 70 mA so 6 units could be connected although the length and the type of wire can also influe...

Page 43: ...Ir 0 025 A 0 015 VA 2 8 8 Phase and neutral current circuits specified rating 1 5 A 1 Thermal capacity a Continuous 20 A b For 1 second 500 A c For cycle 1 250 A 2 Consumption Ir 5 A 0 2 VA 3 Consumption Ir 1 A 0 02 VA 2 8 9 Sensitive neutral or isolated neutral current circuits specified rating 0 25 0 025 A 1 Thermal capacity a Continuous 20 A b For 1 second 500 A 1 s 2 Consumption Ir 0 025 A 0 0...

Page 44: ...of the real value for I 1 A In areas where the measurement range and the protection rangeoverlap theaccuracyisthebestoneoutofbothofthem 2 Voltage Accuracy 0 5 of the rated voltage Ur up to 1 2 Vr 3 Phase difference angles Accuracy 1 4 Active power Measurement range 0 to 1 2 Ir 1 2 Vr For Ir 1 Class 1 1 of Pr For Ir 5 Class 0 5 0 5 of Pr 2 9 Operating frequency Rated 50 or 60 Hz programmable Operat...

Page 45: ...s table 3 as the active table 10 Set table 4 If a pulse is received sets settings table 4 as the active table 11 Set table 5 If a pulse is received sets settings table 5 as the active table 12 Set table 6 If a pulse is received sets settings table 6 as the active table 13 Set local command remote 14 Close circuit supervision 1 with 52 open 15 Close circuit supervision 1 with 52 close 16 Trip circu...

Page 46: ...not possible for example programming breaker state as digital input and as logical input 3 2 Programming of digital outputs By console it is carried out in the screen Digital outputs configuration By keyboard display PROG TABLE 0 PROG CONFIG PROG OUTPUTS OUTPUT ACTIV T The functionality of each digital output can be programmed like an OR of the logical signals available in this unit see point List...

Page 47: ...ominal voltage Typeofvoltage itindicatesifthevoltagesignalsconnected to the unit are simple phase earth or compound phase phase In the case of units with closed terminals only the single ones can be applied Voltage measurement it indicates over which voltages the voltage protections must be applied These settings are located in the console on the screen general settings and remote port configurati...

Page 48: ...ndary absolute value S Full scale 3 Vr 1 2 6 7 Cos A phase A power factor absolute value Full scale 1 8 Cos B phase B power factor absolute value Full scale 1 9 Cos C phase C power factor absolute value Full scale 1 10 Average cos average power factor absolute value Full scale 1 11 Fault distance given in the feeder s total length percentage The operation of the analog output used for the fault di...

Page 49: ...IG COMMUNIC SELEC COMMU COM 2 The options are PROCOME DNP MODBUS IEC 870 5 101 or IEC 870 5 103 PROCOME If the option chosen is PROCOME in CHANGE SETTINGS PROG TABLE 0 CONFIG COMMUNIC PORT COM2 a setting group is programmed which is analogous to the one defining the front port it is not necessary that they have the same values but there also exists the setting CONTROL SIGNALS with the options none...

Page 50: ...and the rest of the 101 parameters without been programmed They have to be programmed by the user If the ekor rps unit is replaced by another one the installed unit must have the same address as the one removed They are also programmable the baud rate the parity and the auxiliary timers for activation and deactivation of the RT signal internal The established communication settings can be seen on ...

Page 51: ... IP address identifier Indicates the IP address of protection 2 it wants to communicate with It is 32 bits in decimal numbers separated by dots If the IP address is programmed as 0 0 0 0 there is no communication with relay 2 e Signals to transmit relay 2 They are the signals to be sent to relay 2 the one with the protection IP address programmed in the previous parameter The operation is as follo...

Page 52: ... unbalance currents and voltages To verify that the order corresponds to the wiring check in measurements that the ratio of the inverse direct component is close to 0 when introducing 3 balanced currents of about 1 A 3 6 4 Neutral Parameter If it is by transformer indicates that an input transformer existstomeasurethezerosequencevoltage ifitis measured indicates that it must be calculated as a vec...

Page 53: ...ctionblocking unblockingcontrolcommands are enabled if it is set at NO they are disabled R KEY BLOCKING If it is set to YES the Leds are not handled in the program they are all deactivated except for Led 8 which turns green There is a setting under PRESS REMOTE which allows to execute commands via push buttons if it is set to YES even in remote mode If it is set to NO it must be in Local mode to e...

Page 54: ... ranges of the timed characteristic 6 tables normal and HIGH2 Setting Min Max Step Notes Enable YES NO pickup YES drop out Pickup A 0 02 40 00 0 01 With standard ratings 0 1 200 0 0 01 With specified ratings Curve type Definite time Normal curve very inverse extrem inverse etc User curve Time index 0 05 0 5 1 09 30 0 0 01 0 1 For IEC curves For ANSI curves Definite time s 0 0 600 0 0 01 These sett...

Page 55: ...igher than 50 ms is 30 ms or 5 of the theoretical value the higher of the two For the definite time setting of 0 ms the behavior is the same as for the instantaneous characteristic see next paragraph Ifanunacceptableindexvalueisprogrammed for a type of curve the unit takes the closest acceptable value 4 1 3 Timing cancellation Through the console screen timing cancellation or through keyboard disp...

Page 56: ...ion 4 2 1 General description In neutral earthed installations the neutral overcurrent protection has the same possible characteristics as the described for phase overcurrent and independent settings function 50N 51N 4 2 2 Setting ranges of the timed characteristic 6 tables normal and HIGH2 Setting Min Max Step Notes Enable YES NO pick up YES drop Pick up A 0 010 20 000 0 001 With standard ratings...

Page 57: ...k up Neutral instantaneous time A 0 010 20 000 0 001 With standard ratings 0 1 200 0 0 01 With specified ratings Instantaneous additional time s 0 00 60 00 0 01 Special operation See instant special operation Type of neutral only in HIGH2 Transformer calculated These settings can be found in the console on the screen overcurrent protection 1 INSTANT NEUTRAL box Table 4 6 Settings ranges of the ins...

Page 58: ...independent masks for every instantaneous level The operation described below implies the setting enable be at YES and that the recloser is in service although it can be blocked It is enabled at NO the instantaneous is disable under any condition If the recloser is out of service the masks do not have any effect Operation with setting of the function enable at YES Option NO Everything operates as ...

Page 59: ...order to act as a true instantaneous If the corresponding mask is at NO the instantaneous is disabled Figure 4 3 Option timing after reclosing Option Timing after reclosing 1 After the first reclosing if the corresponding in the trip permission screen is at YES during special operation time the instantaneous operates with the additional time Special Fixed Time instead of using the normal additiona...

Page 60: ...ns The settings 6 tables are those below Setting Min Max Step Notes 2nd harmonic restraint enable NO Restraint for phase Restraint for all phases Neutral enable NO YES 2nd harmonic threshold 5 100 1 Phase minimum threshold A 0 1 200 0 01 Neutral minimum threshold A 0 1 200 0 01 The settings are located in the console in the 2nd harmonic restraint and manual closing protection blocking screens Tabl...

Page 61: ...directional function 67 and in the neutral directional function 67N in case the S neutral direction criterion has been chosen Neutralpolarization This setting is only for models that have the possibility to polarize the neutral direction by current In this case the possibilities are V polarization by voltage only I polarization by current only or V I polarization by both parameters Neutral directi...

Page 62: ...are the voltages composed by the healthy phases These voltages are obtained through calculation or through transformer measurement depending if the setting voltage type shows that the introduced signals are simple voltages calculation or compound measurement In case the phase order ABC is polarized with Vab Vbc and Vca against Ic Ia and Ib In case the phases order CBA is polarized with Vba Vcb and...

Page 63: ...gative sequence Directional Locking 1 If the negative sequence voltage is lower than a threshold Polarization V setting the positive sequence directional is carried out 2 If the negative sequence current is lower than a threshold 0 068A thepreviousselectionismaintained Positive sequence directional The direction is determined comparing the positive sequence voltage and current There is a 5th zone ...

Page 64: ... the threshold the direction is not signaled Being the trip permission without Vpol Directional Locking set as YES if the polarization magnitudes are below the threshold it signals reverse and forward 4 6 3 Neutral directional 67N polarization by S0 V0 OperationwithpolarizationbyV0 zerosequencevoltage The direction is determined using the neutral current 3 I0 with the neutral voltage as polarizati...

Page 65: ...e current with the negative sequence voltage V2 as polarization The angle determines the range in which the fault is considered forwards and reverse The setting angle is the same as that used for the phase directional There is a 5th zone between the locking zone and the trip zone for which the present directional status is maintained 1 2 3 90 setting angle arg I2 arg V2 270 setting angle 1 Trip zo...

Page 66: ...cking set as NO if the polarization magnitudes are below the threshold the direction is not signaled Being the trip permission without Vpol Directional Locking set as YES if the polarization magnitudes are below the threshold signals reverse and forward 4 6 6 Neutral directional 67N polarization by I Operation with polarization by current The direction is determined comparing the earthing current ...

Page 67: ... the trip permission without Vpol Directional Locking set as YES if the polarization magnitudes are below the threshold signals reverse and forward 4 6 8 Neutral directional 67N polarization by S I V2 Ipol Operation The direction is determined regardless of the previous criteria V2 and I If any of them determines that the direction is the trip direction the trip permission is given The earth fault...

Page 68: ...ol Directional Locking on the display This setting is used only when in the three units the polarization magnitude is below the threshold V polarization setting in the case of the V0 and the V2 and below 68 mA in the case of the current Signaling It provides forward and reverse signaling The directional units output is an OR of the polarization by voltage and polarization by current units so that ...

Page 69: ... displaced the maximum torque angle and must be between 97 and 263 3 97 ang I0 angle V0 angle characteristics 263 4 For backwards faults the angle between the current and the voltage displaced the maximum torque angle and must be between 277 and 83 5 277 ang I0 angle V0 angle characteristics 83 6 The power P Vr Ir cos j jc must exceed the P minimum threshold in absolute value If P sign is negative...

Page 70: ...rent Iminimum Ir cos j jc must exceed the minimum threshold in absolute value If the sign is negative the fault is forward If it is positive it is reverse 3 For forwards faults the angle between the current and the voltage displaced the maximum torque angle and must be between 97 and 263 97 ang I0 ángle V0 characteristic angle 263 4 For backwards faults the angle between the current and the voltag...

Page 71: ...um current Imínima Ir cos j jc must exceed the minimum threshold set in absolute value If the sign is negative the fault is forward If it is positive it is reverse 3 For forwards faults the angle between the current and the voltage displaced the maximum torque angle and must be between 187 and 353 187 ang I0 angle V0 characteristic angle 353 4 For backwards faults the angle between the current and...

Page 72: ...0 05 0 5 1 09 30 0 0 01 0 1 For IEC curves For ANSI curves Definite time s 0 0 1 800 0 0 01 These settings can be found in the console on the screen overcurrent protection 1 Table 4 10 Setting ranges of the timed characteristic The remarks about curves and accuracy in times are the same as the ones quoted for phases 4 7 3 Setting ranges of the instantaneous characteristic single level 6 tables nor...

Page 73: ...s These units are set in order to trip backwards or forwards Setting Min Max Step Directional type Angular I cos j I sen j watimétric Minimum active power homopole 0 100 W 0 01 W For the watimetric directional P Vn Ins cos j jc j angle between Vn and In If the power is higher than this value in negative value it is considered as a forward fault it is higher than this value in positive it will be a...

Page 74: ...nd must be between 97 and 263 97 ang I0 angle V0 characteristic angle 263 3 For backwards faults the angle between the current and the voltage displaced the maximum torque angle and must be between 277 and 83 277 ang I0 angle V0 characteristic angle 83 4 The power P Vr Ins cos j jc must exceed the minimum threshold of P in absolute value If P sign is negative the fault is forwards If it is positiv...

Page 75: ...d 2 The minimum current Imínima Ir sects j jc must exceed the minimum threshold in absolute value If the sign is negative the fault is forwards If it is positive it is backwards 3 For forwards faults the angle between the current and the voltage displaced the maximum torque angle and must be between 97 and 263 97 ang I0 angle V0 characteristic angle 263 4 For backwards faults the angle between the...

Page 76: ... minimum threshold 2 The minimum current Iminimum Ins sen j jc must exceed the minimum threshold in absolute value If the sign is negative the fault is forwards If it is positive it is backwards 3 For forwards faults the angle between the current and the voltage displaced the maximum torque angle and must be between 187 and 353 4 187 ang I0 angle V0 characteristic angle 353 5 For the angle between...

Page 77: ...cified ratings Curve type Definite time Normal inverse curve very inverse curve extremely inv curve User curve Time index 0 05 0 5 1 09 30 0 0 01 0 1 For IEC curves For ANSI curves Definite time s 0 600 0 0 01 These settings can be found in the console on the screen Overcurrent protection 1 TIME SETTING UNBALANCE box Table 4 13 Setting ranges of the timed characteristic The remarks about curves ar...

Page 78: ... if the voltage control is lower than the nominal voltage To activate this function the setting voltage acceleration of the settings screen overcurrent protection 1 phases or by keyboard display the PROTECTION CURRENT PROT PHASE TOC ACCEL ENABLE must be set to YES If it is set to NO the effective settings are the ones programmed in the time delay phase overcurrent unit The control by voltage has t...

Page 79: ...o the former one when some of the compound voltages are lower than the control voltage one programmed value the effective settings of the function 50 stop being those programmed in phase instantaneous unit as much in low as in high level to become the programmed as control by voltage This function is subordinated to phase instantaneous in the sense of making them operative with other settings but ...

Page 80: ...following situation Afterbeingthelinede energizedforaperiodoftime and re energized later the load can exceed the protection setting without the presence of a fault This may be due to the accumulative inrush current caused when connecting all the loads furnaces heaters coolers etc at the same time This phenomena can occur not only at the moment of the breaker manual closing after having remained op...

Page 81: ...3 Operating time of cold load settings 0 1 to 3600 s 1 hour with 0 01 s resolution in console duty time During this time after coming back the current 0 2 A all the overcurrent protection settings phase neutral and sensitive neutral stop being the corresponding to the active table and become the corresponding to cold load Enabling actions pickups curves times etc Remarks The function cold load is ...

Page 82: ...t to YES it operates as directional checking the angle between VG and IG if it is set to NO it does not check the angle that is it works as non directional 3 Low current IL in the characteristic curve Range 0 005 to 1 A with 1 mA resolution 4 High current IH Range 0 005 to 1 A with 1 mA resolution 5 IH IL must be fulfilled 6 Low voltage VL Range 0 5 V to 60 V 0 1 V resolution 7 High voltage VH Ran...

Page 83: ...s Enable YES NO Pickup V 10 200 0 1 Curve type Definite time Normal inverse curve Short inverse curve Long inverse curve Very inverse curve Extremely inverse curve Very inverse special curve Moderately inverse curve User curve Time index 0 05 0 5 1 09 30 0 0 01 0 1 For IEC curves For ANSI curves Definite time s 0 0 600 0 0 01 Table 4 16 Setting ranges of the timed characteristic 6 tables These set...

Page 84: ...ection which can be simples or compounds see General settings with following selectable characteristics to choose from function 59 Timed Characteristic 1 Inverse normal time I BSC or I ANSI 2 Inverse short time IC BSC 3 Inverse long time IL BSC 4 Very inverse time MI BSC or MI ANSI 5 Extremely inverse time EI BSC or EI ANSI 6 Very inverse special time MIEs BSC 7 Moderately inverse time ANSI 8 4 Us...

Page 85: ...Notes Enable YES NO Phase instantaneous trip V 10 200 0 1 Additional time s 0 00 60 00 0 01 Table 4 19 Setting ranges of the instantaneous characteristic These settings can be found in the console on the screen voltage protection The tripping voltage is set to secondary volts The remarks about times are the same as the ones quoted for the overcurrent function In both the timed and instantaneous fu...

Page 86: ...ectorial sum of the phase simple voltages The setting defining whether the voltage is measured or calculated is only accessible through keyboard display in Program table 0 define protect key 8 8 neutral parameter At this point and under the text NEUTRAL V TRANSF 3 possibilities can be chosen No transf in this case the calculated value will be used voltage transf 9 or voltage transf 5 depending on ...

Page 87: ...e same as the ones used by the overcurrent protection units The starting voltage is set to secondary volts On definite time the relay trips when the programmed time expires since the starting voltage is exceeded independently of the voltage value 4 18 Frequency protection This function has 5 steps programmable as minimum frequency or maximum frequency The settings per step independent for each ste...

Page 88: ... activation occurs if the frequency variation per time unit frequency decreasing is higher than the set value The function is only effective for frequencies lower than a threshold called maximum supervision frequency and for currents higher than a threshold called Minimum current 4 18 3 2 Settings 6 tables Setting Min Max Step Notes Enable df dt YES NO for all steps Max frequency supervision Hz 40...

Page 89: ... to a trip For the unit to pickup the frequency derivative must be exceeded in module during the set number of cycles minus 4 cycles That is if it is set to 5 cycles the frequency rate of change must be viewed repeated once in order to pickup If the setting is 4 or lower the unit picks up the first time the measurement is viewed above the threshold in absolute value The pickup happens only if the ...

Page 90: ...ral current Ir against the current measure 2 cycles before must be lower than 0 05 of the full scale 40 A 4 4 The increase and decrease of positive sequence current I1 and of the neutral current Ir against the current measured 2 cycles before must be lower than 0 1 A 5 Positive sequence voltageV1 memorized 2 cycles before must exceed VFF 6 Positive sequence voltage V1 must be lower than the 95 of ...

Page 91: ...1 Permissive overreach 2 Permissive underreach 3 Directional Locking 4 Directional unlocking Additionally together with the schemes the following can be selected 1 ECO 2 Inverse direction locking 4 20 2 Setting range 6 tables Setting Min Max Remarks Remarks Protection scheme Permissive overreach Permissive underreach Directional Locking Directional unlocking Drop off time for input RTP 0 1 0 01 Ad...

Page 92: ...n is disabled by setting Let s suppose for example that neutral instantaneous in zones 1 2 and 3 functions are set as YES in unconditional trip mask but neutral instantaneous is set as NO in trip permission after closing after second reclosure During security time after second reclosure it will not trip by neutral instantaneous because this command will not even be executed 4 20 4 Used signals Bel...

Page 93: ...ot activated The Z3 R MEM signal can be eliminated from the logic only by disabling the Inverse direction locking function In this case the Z3 R MEM would be continuously as 0 The logic diagram of this function is Figure 4 25 Permissive underreach Permissive overreach POTT This scheme uses the teleprotection signal in the overreach zone 2 or 1 or 3 depending on the mask of the line Instantaneous t...

Page 94: ...channel loss signal RPSG is received during the guard signal loss time TPSG Since the moment in which the guard channel loss signal is activated a 150 ms time span is opened during which the trip can be given if the RPGS signal is activated during the programmed time TPSG without RTP reception After these 150 ms the guard channel loss signal will have no effect over the pilot protection trip There...

Page 95: ...change of flow direction due to the breaker opening The Z3 signal is used with a storage time Z3 R MEM thereby obtaining the Z3 R MEM signal to be used in the rest of the schemes as shown in the following figure The figure shows a flow scheme when the fault occurs and when the breaker is opened If this scheme is not used the effect could be the following When the failure occurs terminal C sees it ...

Page 96: ...lized in the display in with respect to the trip value when reaching the programmed valueanalarmrelayisactivated ifthereisanyprogrammed and when reaching the 100 the thermal image trip relay if the unit is enabled and the corresponding signaling are activated Once the unit has tripped by this unit the relay does not dropout while the calculated temperature is above the 75 and the rest of the locki...

Page 97: ...cription and settings 4 21 2 Settings Setting Min Max Step Notes Enable YES NO Heating time constant min 3 60 1 Cooling time constant min 3 180 1 Threshold alarm 80 100 1 Threshold restore 50 99 1 Rated current A 0 1 200 0 0 01 Table 4 27 Settings 4 21 3 Trip times Figure 4 32 Trip times ...

Page 98: ...ting curve is The next figure gives as an example the heating curves with 3 min time constant for I I0 1 and for I I0 2 Figure 4 33 Heating curves 4 21 5 Cooling curves The cooling curve is calculate from the following Being Tf final temperature Ti initial temperature t time τ2 cooling time constant Starting from Ti 1 100 in tripping temperature in order to arrive to a final temperature of Tf 0 th...

Page 99: ...I I0 0 both time constants of 3 min Figure 4 36 Combined examples cooling and heating 4 22 Field loss protection 4 22 1 Overview Fieldlossprotection generatorexcitation withthefollowing characteristics function 40 1 2 MHO tripping areas with independent settings 2 1 directional unit common to both areas 3 1 undervoltage unit common to both areas Each area can be enabled independently 4 22 2 Genera...

Page 100: ... start value 2 That the area s undervoltage monitoring setting is disabled When the generator enters one of the MHO areas a timer is activated If the area is not in undervoltage conditions the area s alarm timer is activated However if the area is in undervoltage conditions the tripping activates the area s timer The latest timer must be set to a value below the other timer s The reason for this i...

Page 101: ...programming the minimum ranges as 1 exists the effective minimum range is 2 5 as there is a minimum current threshold established in 25 mA 4 23 2 Minimum power protection General description Itprotectsagainstexcessivedecreasesinthegeneratedpower and it compares the active power with the minimum power givenbythesetting Ifthegeneratedpowerislowerthanthe set value the protection will trip the corresp...

Page 102: ...me HI Set s 0 00 60 00 0 01 LO Set enable YES NO Maximum power trip LO Set 1 0 200 0 0 1 Step 1 in versions before Q Additional time LO Set s 0 0 600 0 0 1 Table 4 32 Setting range 4 23 4 Reverse power protection General description The protection actuates when the power flow gets reversed and the power exceeds the set value In this situation the protection trips the relay or relays programmed for...

Page 103: ...verse trip LO Set 1 0 200 0 0 1 Step 1 in versions before Q Additional time LO Set s 0 00 600 0 0 01 Table 4 34 Setting range 4 23 6 Minimum apparent power protection General description Itisaprotectionagainstexcessivedecreasesinthegenerated power From the voltage and current measurements the protection calculates the active and reactive power and the power factor and compares the apparent power w...

Page 104: ...signal when there is a number of trips higher than programmed during the programmed time passing to definitive trip When manual closing occurs the period of time is reinitialized An event is also generated each time when after a trip the kI2 counter exceeds the programmed threshold it is a pole to pole treatment While on this situation the corresponding signal is sent to control For the pole wear ...

Page 105: ...2a contact is also closed If there is continuity in the circuit the input programmed as coil monitoring with 52 close is seen as closed if there was not continuity it would be seen as open breaker failure When the breaker is open 52b contact is closed If there is continuity in the circuit the input programmed as coil monitoring with 52 open is seen as closed if there was not continuity it would be...

Page 106: ...tatus 2 Breaker open failure It looks after the input 52 status 3 Open failure with overcurrent It works according to a settings group generically known as breaker failure a Enable b Phase restore current c Neutral restore current d Definite time If the function is enabled it works as follows If the unit gives a tripping signal or an external protection signal is received through a digital input a...

Page 107: ...ocked by a digital input or by a logic function combination of control inputs and or signals See logic signals programming in the configuration section The locking programming is done by keyboard display as one setting more of the given function By console the programming is done through screens called locks whose number depends on the optional functions available in the unit 4 29 Fault locator 4 ...

Page 108: ...Real part of the positive sequence impedance in parallel with the relay s line W ZAB2 Imaginary part of the positive sequence impedance in parallel with the relay s line W tpV Voltage variation minimum threshold for the phase voltage V fault detection primary V tp1 Voltage variation minimum threshold for the phase voltage V fault detection primary A tpIO NEUTRAL current minimum threshold for the n...

Page 109: ...t instant 2 Pre fault and post fault filtering 3 Determination of the kind of fault 4 Location algorithm 5 Presentation of the results Fault detection Once the protection has started up the fault detection algorithm begins to process the analogue signals received in search of the exact instant at which the fault occurred This search is made by a comparison of the samples between consecutive cycles...

Page 110: ...on the known Girgis method for distance relays This procedure which analyses the various magnitudes of the change between the pre fault situation and the post fault situation in the basic component of the currents has demonstrated an enviable accuracy in its results Distance Calculation The distance calculation algorithm developed for the single line has been designed for a line topology such as t...

Page 111: ... active during the whole set time b If the recloser is not in an ongoing cycle the current is deactivated during 2 minutes and then the new calculation is displayed during the set time The operation of the locator has a special feature when the Inrush setting is selected Current detection on the locator s settings screen 20 0 100 5 mA 1 2 Figure 4 43 When it is set toYES the operation is as follow...

Page 112: ...n to surveillance and in the second to definitive trip 4 Definitive trip status The recloser s final situation when it has executed all of the programmed attempts and the breaker remains open given that it is a permanent fault Exit from this status can only be achieved by closing the breaker manually 5 Time for first second third and fourth closure It is the waiting time after the breaker s trip u...

Page 113: ...First successful reclosing Figure 5 1 First reclosing Once the surveillance state has been reached a new trip causes the start of a new cicle restarting the reclosing 1 as shown below Figure 5 2 Start of a new cicle It may happen that a low current permanent fault causes tripping after expiring the reclaim time In order to avoid that in such situation all the reclosings become first reclosings and...

Page 114: ...eclosing 3 Third successful reclosing Figure 5 4 Third successful reclosing 4 Moves onto a definitive trip after exhausting the programmed number of reclosings Figure 5 5 definitive trip number of reclosings 5 Moves onto definitive trip due to a trip during the reclaim time after a manual closing Figure 5 6 definitive trip after a manual closing ...

Page 115: ... is effective during the corresponding reclaim time and with the condition that the recloser is engaged If the enabling of trip by external protection operation is programmed NO the recloser will not consider that input during the reclaim time and if a circuit breaker opening occurs for this reason and without a trip order by their own protection it is considered as a manual opening and therefore ...

Page 116: ...tus This input is necessary for the recloser operation b Reference voltage It is not necessary If it is programmed the recloser function demands to see closed that input to carry out the reclosing not if it is not programmed c Recloser locking As its name indicates it inhibits this automation It is not necessary if it is not wished to use the locking d External protection It can cause the beginnin...

Page 117: ...he definitive tripping waiting time has elapsed and the reclosing conditions have not been met it goes to definitive tripping if definitive tripping waiting time is set to YES If it is set to NO it remains waiting for reclosing conditions indefinitely There is a reclaim time after the closure if during that time a new trip by minimum frequency happens it moves to definitive trip Setting the reclos...

Page 118: ...e single pole and if there is it must be the first one The second and subsequent are always three pole So unlike the closure and reclaim times for three pole trips that are 4 there is one only closure time and one reclaim time for the single pole trip 5 5 Syncrocheck 5 5 1 General description The synchronism checking or Synchrocheck function function25 isusedtomakethebreakerclosureconditional to t...

Page 119: ...rmission enable No B A YES NO Voltage difference condit enable YES NO Voltage difference V 2 90 1 Frequency difference condit Enable YES NO Frequency difference Hz 0 05 2 0 01 Angle difference condit Enable YES NO Angle difference º 5 50 1 Conditions fulfilling time s 0 100 1 Table 5 3 Settings 5 6 Close locking with presence or absence of voltage Inhibition by voltage presence on the line side It...

Page 120: ...t is not an automation function in it but a control signal To give the voltage presence control signal 1 presence 0 absence the higher phase to phase voltage must be within some o preset values as 1 There are three settings referred to voltage presence a Phase to phase rated primary voltage kV b Voltage absence threshold of the rated one c Voltage presence threshold of the rated one 2 Operation Wh...

Page 121: ...her document The protections console manual The logic signals can be generated according to the following scheme OR AND OR AND T T NOT opcional 1 2 3 4 1 1 Logical signals available 2 Delay 3 Duration 4 Logic output Figure 6 1 Logical signals As it can be observed in the definition of a logic output intervene the following elements 1 Up to 16 signals among the available ones or their negated ones ...

Page 122: ...situation table 1 logic 8 will be programmed 79 I recl On standby OR 79 I intens definitive trip OR 79 I Intens recloser locked T delay 0 0 s and duration 0 5 s Then in command configuration LOG 8 which activates table 1 activation will be programmed 1 2 3 4 1 4 Tdelay 1 s Duration by logic Programming of output DO7 Logic 1 1 Input DI6 2 Delay 3 Duration 4 Logic output 1 Figure 6 2 Application 1 T...

Page 123: ...hrough front port c Remote mode acts through rear port 2 Current protection a Timed unit pickup phase A b Timed unit pickup phase B c Timed unit pickup phase C d Instantaneous unit pickup phase A e Instantaneous unit pickup phase B f Instantaneous unit pickup phase C g Activation of output of timed unit phase A trip h Activation of output of timed unit phase B i Activation of output of timed unit ...

Page 124: ...ontrol message or input e Breaker open command control message or input f Close command failure g Open command failure 7 Self checking a Critical Hardware error Converter reference voltage error Converter error FLASH memory recording error Relays activation error SPI communication error between micro and DSP b Non critical Hardware error Clock synchronization error c Hardware error corrected 7 2 f...

Page 125: ...tage 11 Frequency in Hz 12 Current maximeter in amperes 13 I2 I1 negative sequence component in The phase current values in this screen are absolute values this is without the sign Note about the maximeter The maximeter shows the maximum value of the average value during a specific time interval of the three phase average current The time interval is that programmed as time window for samplings in...

Page 126: ...onics 1 to 15 The phase current values in this screen are absolute values this is without the sign Through PC protections console 1 They are on the first of the measurements screens 2 Phase A current module in amperes and angle in degrees 3 Phase B current 4 Phase C current 5 Neutral current 6 Neutral sensitive current 7 Current maximeter in A 8 Date and time corresponding to the maximeter 9 Phase...

Page 127: ...gister interval is automatically synchronised with he clock so if 15 minutes are programmed 4 registers will be done every tour that is at 0 15 30 and 45 minutes Calendar mask operation If the setting mask disabled is at YES the register is done everyday of the week If it is at NO what is programmed for each day has to be taken into account If one day it is at YES it is registered if it is NO it i...

Page 128: ... d Closing and trip circuit supervision status 7 7 Oscillograph data recorder It has a capacity of 1200 cycles being programmable the number of cycles per perturbation so if for example 40 cycles register are registered there is space for 30 registers If 120 cycles register is registered there is space for 10 etc The number of cycles previous to the pick up is also programmable between 1 and 100 O...

Page 129: ...f variable widths The time it shows corresponds to PPS Pulse per second coinciding with the mesh reference mark of the mesh Onintegratedcontrolsystems SIPC theunitissynchronized periodically every minute by the substation control Unit UCS In this case there will be no use in making a time change by keyboard or protection console as this will be soon eliminated by the UCS 8 2 Control messages The p...

Page 130: ...urrent maximeter 2 Word PROCOME 6 Current maximeter 2 Word PROCOME 3 Vr 1 2 1 2 P active power 2 Word PROCOME 3 Vr 1 2 6 P active power 2 Word PROCOME 3 Vr 1 2 1 2 Q reactive power 2 Word PROCOME 3 Vr 1 2 6 Q reactive power 2 Word PROCOME 3 Vr 1 2 1 2 S apparent power 2 Word PROCOME 3 Vr 1 2 6 S apparent power 2 Word PROCOME 70 Frequency 2 Word PROCOME 70 Frequency Syncrocheck 2 Word PROCOME 1 Pha...

Page 131: ...hase A 2 Word PROCOME Vr 1 2 6 Q reactive power phase B 2 Word PROCOME Vr 1 2 6 Q reactive power phase C 2 Word PROCOME 3 Vr 1 2 6 P maximum active power 2 Word PROCOME 3 Vr 1 2 6 Q maximum reactive power 2 Word PROCOME Vr 1 2 6 P maximum phase A 2 Word PROCOME Vr 1 2 6 P maximum phase B 2 Word PROCOME Vr 1 2 6 P maximum phase C 2 Word PROCOME Vr 1 2 6 Q maximum phase A 2 Word PROCOME Vr 1 2 6 Q m...

Page 132: ...ut of service programmable 28 Set recloser in service programmable 26 Table 1 activation programmable 60 Table 2 activation programmable 61 Table 3 activation programmable 62 Table 4 activation programmable 63 Table 5 activation programmable 64 Table 6 activation programmable 65 Set in local programmable not programmed Set in telecommand programmable not programmed Phase instantaneous locking prog...

Page 133: ... unlocking zone 2 programmable not programmed Neutral locking zone 3 programmable not programmed Neutral unlocking zone 3 programmable not programmed Neutral locking programmable not programmed Neutral unlocking programmable not programmed Sen Neutral locking programmable not programmed Sen Neutral unlocking programmable not programmed Phase locking programmable not programmed Phase unlocking prog...

Page 134: ...t 14 programmable not programmed Act output 1 local console programmable not programmed Act output 2 local console programmable not programmed Act output 3 local console programmable not programmed Act output 4 local console programmable not programmed Act output 5 local console programmable not programmed Act output 6 local console programmable not programmed Act output 7 local console programmab...

Page 135: ...operation is alternative this means that each time the input is pressed or activated rising slope the status is changed The control keys for closing and opening on the front panel are only operative on the Local mode They have to be pressed at the same time as to be effective in order to avoid unwished operations The control commands described in the previous section are only operative on the remo...

Page 136: ...l mode except for the L R push button When this push button is in remote mode and the local mode or remote mode orders are programmed ON or OFF the unit switches into local Therefore the other function push buttons are active 8 5 Power supply supervision It is only available in those models with this option This function detects the voltage drop of the power supply under the level that guarantees ...

Page 137: ...al signals commands measurements and counters Digital signals At the start of the test mode the signals sent to remote control and simulator are the real ones This program allows to change the values of the digital signals In Test Mode only the signals fictitious changes and not the real ones are sent to remote control When exiting the test mode the equipment sends all changes from the latest stat...

Page 138: ...er MW 9 Reactive power MVAr 10 Power factor 11 Information on the last fault a Phases involved b Fault current in phase A c Fault current in phase B d Fault current in phase C e Fault current in neutral f Fault start date and time g Fault end date and time h Fault acknowledgement press 2 s and release Turn the trippingde LEDs off Push button R This key is active if the special setting R KEY Blocki...

Page 139: ...ess the key Through this all settings and initializations are made accessible except the ones contained in the section protection definition The key is necessary to get access to these In the last level of the menus where the name of the settings we want to change appear the keyboard operation is different from the one we have explained until now When entering into each group to change the setting...

Page 140: ...OUNT MAXIM kI2 which requires a particular explanation By pressing INTRO in INITIALIZE we come to a CLOSURE COUNT 0 if pressing INTRO the total and partial reclosing counters and the trip counters are set to 0 and it goes on to the next question if we do not want to set them to 0 we press or ESC b MAXIMETER 0 if pressing INTRO the maximeter is set to 0 c SUM kI2 INIT if pressing INTRO the accumula...

Page 141: ...dance with the enclosed external connection diagram It is a general diagram the programming of inputs and outputs should be taken into consideration in each specific case 10 2 1 Power supply The polarity is indifferent 10 2 2 Earth connection It is important for the earth connection to be correctly connected in order for the protection disturbance rejection devices it incorporates to operate prope...

Page 142: ...oard display and or PC with the correct values for the application following the setting procedures The protection has been checked at the factory in order to guarantee its accuracy in all of the setting points of the different parameters However it is convenient to test some points during reception and commissioning in order to ensure it is totally in proper operating condition Once the line is c...

Page 143: ......

Page 144: ...Subject to change without prior notice For further information contact Ormazabal Ormazabal Protection Automation IGORRE Spain www ormazabal com ...

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Ormazabal ekor.rps, General Instructions Manual

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