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Find the output voltage expression for a step down chopper with Vs as the input voltage and α as the duty cycle.

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Find the output voltage expression for a step down chopper with Vs as the input voltage and α as the duty cycle.

(a) Vo = Vs/α

(b) Vo = Vs x α

(c) Vo = Vs^2/α

(d) Vo = 2Vs/απ

I had been asked this question in an interview.

Asked question is from Choppers-1 topic in division Choppers of Power Electronics

1 Answer

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by (45.1k points)
The correct choice is (b) Vo = Vs x α

Explanation: The chopper output voltage is Duty cycle x the input voltage (ideal condition).

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