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When TG is synchronised with Grid.What are the protection needed when Grid Fails or Got disturbed for Islanding of Tg Set?

Power Plant Operations PowerPlant
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Question added by Himadri Roy , MANAGER ELECTRICAL , STEAG ENERGY SERVICES
Date Posted: 2014/07/17
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Leonardo Banzali
by Leonardo Banzali , Electrical Maintenance-trainer , Sadara Chemical Company

We can always utilize some Pilot wire relays which will determine power loss fault in a certain desired distances on the transmission/distribution lines.

GULAMMOHMED BHA
by GULAMMOHMED BHA , electrical engineer , British Petroleum J V Project with Petrofac-China Petrol.

Loss of excitation,reverse power,nagative squence,under voltage,over excitetion,found fault etc. Protection required.

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