Element - Neg Seq Ov - GE F650 Instruction Manual

10 COMMISSIONING
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%).
CHANNEL
VI
VII
VIII
VI
VII
VIII
VI
VII
VIII
NOTE: All angles mentioned on the tables are delay angles, where a balanced ABC system would be composed by:
CHANNEL
VI
VII
VIII
GEK-106310AB
10.15 OVERVOLTAGE ELEMENTS (59P, 59X, 59NH, 59NL, 47)
NEG SEQ OV (47)
Function
Pickup Level
Trip Delay
Reset Delay
APPLIED VOLTAGE (V) ANGLE
65 0º
65 120º
65 240º
55 0º
55 240º
55 120º
45 0º
45 240º
45 120º
APPLIED VOLTAGE (V) ANGLE
65
65
65
F650 Digital Bay Controller

10.15.4 47 ELEMENT - NEG SEQ OV

ENABLED
50 V
2.00
0.00
TRIPPING TIME (S)
EXPECTED
NO TRIP
2
NO TRIP
0º
120º
240º
ADMISSIBLE
NA
[1.9–2.1]
NA
10
10-23