Which machine is the exciter of synchronous machine?

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Answer :

DC shunt machine is the exciter of synchronous machine.

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Answer : Synchronsizing power of a synchronous machine is inversely proportional to the synchronous reactance.

Answer : A synchronous machine with low value of short-circuit ratio has lower stability limit.

Description : If we change the excitation of synchronous machine will it affect on power factor?

Answer : Yes, If we change the excitation of synchronous machine it will affect on power factor. If the synchronous motor is overexcited then it will have leading power factor and if the motor is underexcited then it will have lagging power factor.

Description : If we change the excitation of synchronous machine will it affect on motor speed?

Answer : No, If we change the excitation of synchronous machine it will not affect on motor speed.

Description : V - curve of synchronous machine shows the relation between?

Answer : V - curve of synchronous machine shows the relation between AC armature current and DC field current.