Earth-leakage protection relay GPM-S

earth-leakage protection relay
earth-leakage protection relay
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Stator ground module combines with UR G60 to work for ensuring 100% stator ground fault protection that is operational during generator start-up, running and stopped conditions. 100% stator ground fault protection is esnured by sub-harmonic injection. The ground faults at any point across 100% of the winding is detected through injection of 20Hz voltage to completely protect the stator winding. The stator ground faults are also detected earlier.


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