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The shape of the output voltage waveform in a single PWM is

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in Power Electronics by (27.1k points)
The shape of the output voltage waveform in a single PWM is

(a) square wave

(b) triangular wave

(c) quasi-square wave

(d) sine wave

The question was asked in semester exam.

This key question is from PWM Inverters-1 topic in portion Inverters of Power Electronics

1 Answer

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by (45.1k points)
The correct choice is (c) quasi-square wave

The best I can explain: Positive and the negative half cycles of the output voltage are symmetrical about π/2 and 3π/2 respectively. The shape of the waveform obtained is called as quasi-square wave.

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