Ormazabal ekor.rps User Manual

IG-150-EN version 04; 03/10/16
4
Contents General instructions
ekor.rps
4.6.2. Phase directional by sequences (67) .........63
4.6.3. Neutral directional (67N); polarization
by S
0
(V
0
)....................................64
4.6.4. Neutral directional (67N); polarization
by S-(V
2
) ...................................65
4.6.5. Neutral directional (67N); polarization
by S
0
+S-(V
0
+V
2
) ..........................66
4.6.6. Neutral directional (67N); polarization
by I .........................................66
4.6.7. Neutral directional (67N); polarization
by S
0
+I(V
0
+I
pol
) ...........................67
4.6.8. Neutral directional (67N); polarization
by S– + I(V
2
+I
pol
)...........................67
4.6.9. Neutral directional (67N); polarization
by S
0
+ S- + I (V
0
+ V2 + I
pol
) ..................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

Ormazabal ekor.rps Specifications

General

Brand	Ormazabal
Model	ekor.rps
Category	Relays
Language	English