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Full form of SPWM.

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Full form of SPWM.

(a) Sinusoidal pulse width modulation

(b) State per width modulation

(c) State pulse width modulation

(d) Sinusoidal per width modulation

I had been asked this question during an interview for a job.

My question is taken from Motors Rating and Heating in division Rating and Heating of Motors of Electric Drives

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Right option is (a) Sinusoidal pulse width modulation

The best explanation: SPWM stands for sinusoidal pulse width modulation. SPWM is a high-frequency PWM technique. This technique is used to achieve variable voltage level.

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