Why sometime i receive GCU fault /Excitation voltage loss in my Generator Syn

Why sometime i receive GCU fault /Excitation voltage loss
in my Generator Synch Panel .

Question Posted / arun

Why sometime i receive GCU fault /Excitation voltage loss in my Generator Synch Panel ...

Answer / sakkaravarthi soganur arakonam

GCU meaning ( generator control unit)
this is maximum ground fault otherwise short circuit

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