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In case of a single-pulse width modulation with the pulse width = 2d, the peak value of the fundamental component of voltage is given by the expression

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in Power Electronics by (27.1k points)
In case of a single-pulse width modulation with the pulse width = 2d, the peak value of the fundamental component of voltage is given by the expression

(a) 4Vs/π

(b) Vs

(c) (4Vs/π) sin 2d

(d) (4Vs/π) sin d

The question was asked in unit test.

Origin of the question is PWM Inverters-1 in chapter Inverters of Power Electronics

1 Answer

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by (45.1k points)
Right option is (d) (4Vs/π) sin d

Best explanation: For the fundamental component put n = 1.

Vo = (4Vs/π) sin (d) sin (ωt)

Hence the peak value is (4Vs/π) sin d.

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