Enumerate and classify the losses in a dc shunt motor

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Reference no: EM131265689

1. Why do we need a compensating winding to nearly over come the armature reaction and how is this winding excited and why?

2. Enumerate and classify the losses in a dc shunt motor.

3. How to determine the load current of a dc shunt motor at which the motor efficiency is maximum?

4. Explain the different methods of braking of dc motors.

5. What are the advantages of Hopkinson's test over Swinburne's test and what are its limits?

Reference no: EM131265689

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