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GEK-113328A
G650 Generator Protection & Control System
6-15
6 COMMISSIONING
6.12 DIRECTIONAL ELEMENTS (67N, 67G)
6
6.12.2 67G ELEMENT
Activate only protection elements 50G and 67G and set the relay as follows:
Configure one of the outputs to be activated only by unit 50G.
Apply the following tests:
67G SETTINGS
50G SETTINGS
Function
ENABLED
Function
ENABLED
MTA
-45 Deg
Input
PHASOR (DFT)
Direction
FORWARD
Pickup Level
0.50 A
Polarization
VO
Trip Delay
0.30
Block Logic
PERMISSION
Reset Delay
0.00
Pol V Threshold
10 V
ELEMENTS
PHASE UNDER TEST
POLARIZATION PHASE
ELEMENT TRIP
CHANNE
L
MAGNITUDE
CHANNEL
MAGNITUDE
MOD
ARG
MOD
ARG
50G/67G
IG
2 A
0º
VI
60V
0º
NO
60V
180º
YES
VII
0º
VIII
0º