GE F650 - Element

6-18 F650 Digital Bay Controller GEK-113000AE
6.13 DIRECTIONAL ELEMENTS (67P, 67N, 67G, 67SG) 6 COMMISSIONING
6
6.13.3 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