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ElectricalMachine
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In the design of a wound rotor three-phase induction motor. What are the advantages of keeping the Rotor voltage between Slip rings within the limit?

A

It becomes easy & cheaper to insulate Rotor winding.

B

it protects a person working on the motor.

C

It becomes easy & cheaper to insulate Rotor winding & it protects a person working on the motor.

D

Need Brush gear protection & High Current in rotor winding

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