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What is the shaft power at the DC Generator?

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What is the shaft power at the DC Generator?

(a) sum of mechanical power and rotational losses

(b) only mechanical losses

(c) no-load losses and mechanical power

(d) any of the mentioned

This question was addressed to me during an interview.

My query is from Circuit Model of DC Machines topic in chapter DC Machines of Electrical Machines

1 Answer

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Best answer
Correct option is (a) sum of mechanical power and rotational losses

Easy explanation: The shaft power is sum of mechanical power and rotational losses.

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