9-18
G650 Generator Protection & Control System
GEK-113285A
9.14 OVERVOLTAGE ELEMENTS (59P, 59X, 59NH)
9 COMMISSIONING
9
9.14.3 59NH ELEMENT
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%).
Vn voltage is calculated as a sum of the phase voltages.
NEUTRAL OV HIGH (59NH)
Function
ENABLED
Pickup Level
120 V
Trip Delay
2.00
Reset Delay
0.00
ELEMENTS
INPUT
PICKUP LEVEL
(VOLTS)
TRIP DELAY
(SECONDS)
APPLIED
VOLTAGE (V)
TRIPPING TIME (S)
EXPECTED
ADMISSIBLE
59NH
VI
120 2
114
NO
TRIP
NA
132
2
[1.9–2.1 ]
132
2
[1.9 – 2.1]
Содержание Multilin G650
Страница 9: ...8 G650 Generator Protection Control System GEK 113285A TABLE OF CONTENTS ...
Страница 29: ...1 20 G650 Generator Protection Control System GEK 113285A 1 4 650 HARDWARE 1 GETTING STARTED 1 ...
Страница 293: ...5 150 G650 Generator Protection Control System GEK 113285A 5 9 LOGIC CONFIGURATION PLC EDITOR 5 SETTINGS 5 ...
Страница 391: ...11 6 G650 Generator Protection Control System GEK 113285A 11 4 RELAY CONFIGURATION 11 FREQUENTLY ASKED QUESTIONS 11 ...
Страница 426: ...GEK 113285A G650 Generator Protection Control System A 31 APPENDIX A A 1 LOGIC OPERANDS A ...
Страница 427: ...A 32 G650 Generator Protection Control System GEK 113285A A 1 LOGIC OPERANDS APPENDIXA A ...
Страница 587: ...C 22 G650 Generator Protection Control System GEK 113285A C 8 ANALOG INPUTS APPENDIXC C ...
Страница 595: ...D 8 G650 Generator Protection Control System GEK 113285A D 5 IEC 60870 5 104 POINT LIST APPENDIXD D ...
Страница 606: ...GEK 113285A G650 Generator Protection Control System E 11 APPENDIX E E 1 FACTORY DEFAULT LOGIC E ...
Страница 607: ...E 12 G650 Generator Protection Control System GEK 113285A E 1 FACTORY DEFAULT LOGIC APPENDIXE E ...
Страница 639: ...G 2 G650 Generator Protection Control System GEK 113285A G 1 GE MULTILIN WARRANTY APPENDIXG G ...