What are the special protection given for high capacity Motor, more then 10mw

What are the special protection given for high capacity
Motor, more then 10mw

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What are the special protection given for high capacity Motor, more then 10mw..

Answer / loganath

Winding differential protection, thermal overload, negative
sequence(unbalance), locked rotor, excess long start,
Instantaneous over current, earth fault, bearing,stator
winding temperature monitor

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What are the special protection given for high capacity Motor, more then 10mw..

Answer / gowtham

High precision current transformer is used to trip the circuit breaker.for low rating motors current transformer is not required to trip the circuit breaker.

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