GEK-113000T F650 Digital Bay Controller 6-17
6 COMMISSIONING 6.12 DIRECTIONAL ELEMENTS (67P, 67N, 67G, 67SG)
6
6.12.4 67SG ELEMENT
Activate only protection elements 50SG and 67SG and set the relay as follows:
Configure one of the outputs to be activated only by unit 50SG.
Apply the following tests:
67SG SETTINGS 50SG 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
CHANNEL MAGNITUDE CHANNEL MAGNITUDE
MOD ARG MOD ARG
50SG/67SG ISG 2 A 0º VI 60 V 0º NO
60 V 180º YES
VII 0 V 0º
VIII 0 V 0º
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