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4.5
4.6
General fault criteria (GFC)
Input and output signals
Table 93:
Input signals for the GFC (GFC--) function block
Signal
BLOCK
Path in local HMI: ServiceReport/Functions/Impedance/GenFltCriteria/FuncOutputs
Table 94:
Output signals for the GFC (GFC--) function block
Signal
TRIP
STFWL1
STFWL2
STFWL3
STFWPE
STRVL1
STRVL2
STRVL3
STRVPE
STNDL1
STNDL2
STNDL3
STNDPE
STFW1PH
STFW2PH
STFW3PH
STPE
STPP
STCND
Setting parameters
Path in local HMI: Settings/Functions/Groupn/Impedance/GenFltCriteria
Description
Block the operation of the GFC measuring elements
Description
Time delayed trip caused by general fault criteria (GFC)
General fault criteria - forward operation in phase L1
General fault criteria - forward operation in phase L2
General fault criteria - forward operation in phase L3
General fault criteria - forward operation of ph-E loop
General fault criteria - reverse operation in phase L1
General fault criteria - reverse operation in phase L2
General fault criteria - reverse operation in phase L3
General fault criteria - reverse operation of ph-E loop
General fault criteria - non-directional operation in phase L1
General fault criteria - non-directional operation in phase L2
General fault criteria - non-directional operation in phase L3
General fault criteria - non-directional operation of ph-E loop
General fault criteria - single-phase fault in forward direction
General fault criteria - two-phase fault in forward direction
General fault criteria - three-phase fault in forward direction
Start the phase-to-earth measuring loops
Start the phase-to-phase measuring loops
Release (starting) condition for the external distance protection mea-
suring zones
Chapter 4
Line distance
83
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