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GEK-113328A
G650 Generator Protection & Control System
6-19
6 COMMISSIONING
6.14 OVERVOLTAGE ELEMENTS (59P, 59X, 59NH)
6
6.14.4 47 ELEMENT - NEG SEQ OV
Set the relay as follows:
Apply voltage as indicated on the table under the overvoltage setting level and verify that the relay does not trip.
Verify that the relay trips for the set voltage (with an admissible error of 5%).
NOTE: All angles mentioned on the tables are delay angles, where a balanced ABC system would be composed by:
NEG SEQ OV (47)
Function
ENABLED
Pickup Level
50 V
Trip Delay
2.00
Reset Delay
0.00
CHANNEL
APPLIED VOLTAGE (V)
ANGLE
TRIPPING TIME (S)
EXPECTED
ADMISSIBLE
VI
65
0º
NO TRIP
NA
VII
65
120º
VIII
65
240º
VI
55
0º
2
[1.9–2.1]
VII
55
240º
VIII
55
120º
VI
45
0º
NO TRIP
NA
VII
45
240º
VIII
45
120º
CHANNEL
APPLIED VOLTAGE (V) ANGLE
VI
65
0º
VII
65
120º
VIII
65
240º
Содержание Multilin GEK-113328A
Страница 2: ......
Страница 6: ...4 G650 Generator Protection Control System GEK 113328 TABLE OF CONTENTS ...
Страница 26: ...1 20 G650 Generator Protection Control System GEK 113328A 1 4 650 HARDWARE 1 GETTING STARTED 1 ...
Страница 170: ...7 6 G650 Generator Protection Control System GEK 113328A 7 4 RELAY CONFIGURATION 7 FREQUENTLY ASKED QUESTIONS 7 ...
Страница 185: ...GEK 113328A G650 Generator Protection Control System A 11 APPENDIX A A 1 FACTORY DEFAULT LOGIC A ...
Страница 186: ...A 12 G650 Generator Protection Control System GEK 113328A A 1 FACTORY DEFAULT LOGIC APPENDIXA A ...
Страница 218: ...C 2 G650 Generator Protection Control System GEK 113328A C 1 GE MULTILIN WARRANTY APPENDIXC C ...