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Number of switches turned on in 3-phase 180° VSI at a single time are __________

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Number of switches turned on in 3-phase 180° VSI at a single time are __________

(a) 3

(b) 2

(c) 1

(d) 4

I had been asked this question during an online exam.

My question is based upon Solid-State Switching Circuits in portion Introduction to Solid-State Switching Circuits of Electric Drives

1 Answer

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Best answer
Correct choice is (b) 2

Easy explanation: In 3-phase 180° VSI each phase conducts for 180° and only two switches from different phases conduct at a single time.

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