MCQOPTIONS
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MCQOPTIONS
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 | |
| 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. | |
| 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) | |
| 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. | |