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In case of current commutation of SCR

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in Power Electronics by (27.1k points)
In case of current commutation of SCR

(a) a diode is connected in series with the main SCR

(b) a diode is connected in parallel with the main SCR

(c) a diode is connected in anti-parallel with the main SCR

(d) none of the mentioned

I had been asked this question in class test.

I want to ask this question from Thyristor Chopper Circuits topic in chapter Choppers of Power Electronics

1 Answer

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by (45.1k points)
The correct option is (c) a diode is connected in anti-parallel with the main SCR

Best explanation: The voltage drop across the anti parallel connected SCR reverse biases the main SCR.

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