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While connecting two DC generators in parallel, which of the following is not a desirable condition?

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While connecting two DC generators in parallel, which of the following is not a desirable condition?

(a) Same voltage rating

(b) Same percentage voltage regulation

(c) Same percentage speed regulation of the prime movers

(d) Same current rating

I had been asked this question in an internship interview.

My enquiry is from Parallel Operation of DC Generator topic in chapter DC Generator of DC Machines

1 Answer

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Best answer
Correct choice is (d) Same current rating

Explanation: Same voltage rating, same percentage voltage regulation, same percentage speed regulation are the desirable conditions for connecting two generators in parallel, though these conditions are not a must.

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