Explore topic-wise MCQs in Power Electronics.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Power Electronics knowledge and support exam preparation. Choose a topic below to get started.

1.

In case of MPM with two pulses per half cycle of width = d each and as the distance between the first pulse and t=0, for eliminating the nth harmonic from the output voltage, the value of gamma ( ) must be equal to

A. 0
B.
C. /n
D. d/n
Answer» D. d/n
Discussion
2.

In case of MPM with two pulses per half cycle of width = d each and as the distance between the first pulse and t=0, for eliminating the nth harmonic from the output voltage, which of the following condition must be satisfied?

A. d = 2
B. d =
C. d = n
D. d = 2 /n
Answer» E.
Discussion
3.

The amplitude of the nth harmonic of the two-pulse MPM waveform is given by __________
Let d be the width of a single pulse and be the distance from 0 to the centre of the first pulse.

A. (8Vs/n ) sin(n ) sin(nd/2)
B. (4Vs/n ) sin(n ) sin(nd/2)
C. (8Vs/n ) sin(n ) sin(nd/2)
D. (8Vs/n ) sin(n /2) sin(nd/2)
Answer» B. (4Vs/n ) sin(n ) sin(nd/2)
Discussion
4.

In the multiple-pulse width modulation method with two pulses per half cycle of width = d each and as the distance between the first pulse and t=0, has the Fourier coefficient bn =

A. (8Vs/ ) [ cos( /2) cos(nd/2) ].
B. 0
C. (4Vs/n ) [sin(n ) sin(nd/2)].
D. (8Vs/n ) [sin(n ) sin(nd/2)].
Answer» E.
Discussion