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Which type of commutating circuit will have highest switching losses for same rating of all the components?

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in Power Electronics by (27.1k points)
Which type of commutating circuit will have highest switching losses for same rating of all the components?

(a) current commutated chopper

(b) voltage commutated chopper

(c) load commutated chopper

(d) forced commutated chopper

I got this question in an interview for internship.

The origin of the question is Thyristor Chopper Circuits-3 topic in section Choppers of Power Electronics

1 Answer

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by (45.1k points)
Right answer is (c) load commutated chopper

To explain I would say: Load commutated choppers have 4 SCRs which require frequent turning on and turning off which increases the switching losses.

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