GEK-113285A G650 Generator Protection & Control System 5-57
5 SETTINGS 5.4 PROTECTION ELEMENTS
5
Figure 5–10: RESTRICTED GROUND FAULT ALGORITHM
The elements used in the 87G algorithm are listed in Table 5–55: and Table 5–56:
Table 5–55: RGF ALGORITHM ELEMENT INPUTS
Table 5–56: RGF ALGORITHM ELEMENT OUTPUTS
Table 5–57: RESTRICTED GROUND FAULT CONFIGURABLE SIGNALS
Input Comment
Idiffg Differential Ground Current
Imax Maximum phase current
Output Comment
RESTGNDFLT PKP General Pickup Signal
RESTGNDFLT PKP General Trip Signal
RESTRICTED GROUND FAULT BLOCK SIGNALS
RESTR GND FLT1 BLOCK
RESTR GND FLT2 BLOCK
RESTR GND FLT3 BLOCK
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