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The type of commutation in which the pulse to turn off the SCR is obtained by separate voltage source is

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in Power Electronics by (27.1k points)
The type of commutation in which the pulse to turn off the SCR is obtained by separate voltage source is

(a) class B commutation

(b) class C commutation

(c) class D commutation

(d) class E commutation

The question was asked in my homework.

Question is taken from SCR Commutation Techniques-1 topic in section Other Circuits of Power Electronics

1 Answer

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by (45.1k points)
The correct answer is (d) class E commutation

The explanation: In class E commutation, another voltage source is used. It is also called as external pulse commutation.

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