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Identify the below given chopper circuit.

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in Power Electronics by (27.1k points)
Identify the below given chopper circuit.

(a) Type D chopper

(b) Type C chopper with commutating capacitor

(c) Load commutated step-down chopper

(d) Voltage commutated step-up chopper

I have been asked this question during an interview.

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

1 Answer

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by (45.1k points)
Right choice is (c) Load commutated step-down chopper

The explanation is: Load commutated chopper uses 4 SCRs and one commuting capacitor. As there is no L in the circuit, it is a step down chopper.

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