Power Electronics (3140915) MCQs
MCQs of DC-AC converters – Inverters
| 61. |
In the PWM method
|
||||||||
|
Answer:
Option (c) |
| 62. |
Which of the following is not a PWM technique?
|
||||||||
|
Answer:
Option (c) |
| 63. |
In pulse width modulation
|
||||||||
|
Answer:
Option (c) |
| 64. |
In the single-pulse width modulation method, the output voltage waveform is symmetrical about __________
|
||||||||
|
Answer:
Option (c) |
| 65. |
The shape of the output voltage waveform in a single PWM is
|
||||||||
|
Answer:
Option (c) |
| 66. |
In the single-pulse width modulation method, when the pulse width of 2p is equal to its maximum value of π radians, then the fundamental component of output voltage is given by
|
||||||||
|
Answer:
Option (b) |
| 67. |
Several equidistant pulses per half cycle are used in ___________ type of modulation technique.
|
||||||||
|
Answer:
Option (b) |
| 68. |
In the Multi-Pulse Moduation method, the comparator is given _______ and _______ types of waveform at its input
|
||||||||
|
Answer:
Option (d) |
| 69. |
In the multiple pulse width modulation method, the firing pulses are generate during the interval when the
|
||||||||
|
Answer:
Option (a) |
| 70. |
In ___________ type of modulation method, the pulse width is not equal for all the pulses.
|
||||||||
|
Answer:
Option (c) |
Developed by
