How much Fault current can be contributed by a motor?

Question Posted / karthikeyan eesl -electrical,

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How much Fault current can be contributed by a motor?..

Answer / vishal ingle

THE QUESTION IS LITTLE BIT VAGUE. MOTOR ACTUALLY IS A LOAD
THEN HOW IT CAN SUPPLY THE FAULT CURRENT? I AM ALSO IN A
STATE OF CONFUSION.

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How much Fault current can be contributed by a motor?..

Answer / suresh l

the fault current of motor depends on the positive sequence
reactance of the motor.Which is inversively proportional to
fault current

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How much Fault current can be contributed by a motor?..

Answer / rajnish rauthan

it is a breaker used for arc extinguish through sf6 (sulfer
hexa fluoride)when any fault in our line or we can say when
contect r make & break.

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How much Fault current can be contributed by a motor?..

Answer / vikash

Fault current= I rated / % impedance

In case of motor, negative sequence impeadnce gives the % impedance of motor.

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In response to Mr Bikas. If fault current is 52 kA then what will be the CT specification