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The PIV experienced by each SCRs in M-3 converter is __________ times that in a 3-phase full converter having the same output voltage.

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The PIV experienced by each SCRs in M-3 converter is __________ times that in a 3-phase full converter having the same output voltage.

(a) 0.5

(b) 1

(c) 2

(d) 1.5

I have been asked this question in unit test.

I'd like to ask this question from Three Phase Converters-4 topic in division Converters of Power Electronics

1 Answer

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Correct choice is (c) 2

Best explanation: In case of M-3 type of connection, the devices have to handle more peak inverse voltage (PIV) than the 3-phase full converter which has 6 SCRs.

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