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In the below given circuit, T1 is fired at 0,T and so on and T2 at T/2, 3T/2 etc. What is the frequency of the alternating voltage obtained?

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in Power Electronics by (27.1k points)
In the below given circuit, T1 is fired at 0,T and so on and T2 at T/2, 3T/2 etc. What is the frequency of the alternating voltage obtained?

(a) 50 Hz

(b) T Hz

(c) 1/T Hz

(d) T/2 Hz

I had been asked this question during an interview.

My question is based upon Single Phase VSI-2 topic in division Inverters of Power Electronics

1 Answer

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by (45.1k points)
Correct option is (c) 1/T Hz

Easiest explanation: T1 conducts from 0 to T/2 and T2 from T/2 to T. Hence, 1 cycle is completed in T time. f = 1/T Hz.

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