Answer / satya dev

For Alternator..... Over Voltage & Under Voltage Relay,
Over current & Earth fault relay but all these are not
directlay connected to alternator, It is connected to the
ACB of alternator to safe the Same during faults.


For Transformer...... Buckholz Relay, Winding temperature
Indication(Alarm & tripping system) Oil temp. Indcation etc.

Answer / taju

For Alternator- Under/over voltage protection,Reverse
power,under/over frequency,ground fault protection,

For TXR-Buckholz rely,winding temperatur,Oil
temperature,ground fault protection.

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