PWM Inverters Objective Questions – 1

In the single-pulse width modulation method, the Fourier coefficient b_n is given by

In the single-pulse width modulation method, the output voltage waveform is symmetrical about __________

In case of a single-pulse width modulation with the pulse width = 2d, to eliminate the nth harmonic from the output voltage

In the single-pulse width modulation method, when the pulse width of 2d is equal to its maximum value of π radians, then the fundamental component of output voltage is given by

In the single-pulse width modulation method, the output voltage waveform is symmetrical about ____________ in the negative half cycle.

In the single-pulse width modulation method, the Fourier coefficient a_n is given by

Find the peak value of the fundamental component of voltage with a pulse width of 2d = 90 and Vs = 240 V for single-pulse modulation in a full wave bridge inverter.

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

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

In case of a single-pulse width modulation with the pulse width = 2d, to eliminate the 3rd harmonic from the output voltage waveform, the value of the pulse width (2d) must be