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In the sinusoidal pulse width modulation, ____________ is the reference wave signal.

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in Power Electronics by (27.1k points)
In the sinusoidal pulse width modulation, ____________ is the reference wave signal.

(a) square wave

(b) triangular wave

(c) sinusoidal wave

(d) quasi-square wave

I got this question in an interview for internship.

This intriguing question originated from PWM Inverters-3 topic in chapter Inverters of Power Electronics

1 Answer

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by (45.1k points)
The correct option is (c) sinusoidal wave

Best explanation: In SPWM, a high-frequency triangular wave is compared with a sinusoidal reference wave of the desired frequency.

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