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With respect to the below given circuit, from ωt = 0 to α, ____ thyristor(s) block the forward voltage

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in Power Electronics by (27.1k points)
With respect to the below given circuit, from ωt = 0 to α, ____ thyristor(s) block the forward voltage

(a) T1 and T2

(b) T2

(c) T3 and T4

(d) T4

This question was addressed to me during an interview for a job.

Question is from Single Phase FW AC-DC-2 in division Converters of Power Electronics

1 Answer

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by (45.1k points)
The correct option is (a) T1 and T2

Best explanation: T1 and T2 are not yet gated, hence they block the forward voltage.

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