Explore topic-wise MCQs in Power Electronics.

This section includes 7 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.

For_a_single-phase_dual_converter,_with_converters_C1_and_C2_connected_in_anti-parallel,_which_relation_among_the_following_is_true_to_keep_the_average_voltages_from_C1_and_C2_equal?_C1_and_C2_have_firing_angles_α1_and_α2_respectively.$#

A. α1 = α2
B. α1 + α2 = 360°
C. α1 + α2 = 180°
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
2.

All 4

A. Both (i) and (iv)
B. Both (iii) and (iv)
C. Both (ii) and (iii)
Answer» D.
Discussion
3.

A single full converter alone can given a

A. four quadrant operation
B. three quadrant operation
C. two quadrant operation
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
4.

The four quadrant operation of dual converters can be obtained by

A. moving the mechanical lever
B. adding inductance to the circuit
C. changing the firing angle value
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
5.

The major advantage of using dual converters is that

A. it is cheaply available
B. it has better pf
C. no mechanical switch is required to change the mode of operation
D. its operating frequency is very high
Answer» D. its operating frequency is very high
Discussion
6.

A dual converters has

A. two full converters in series
B. two half converters in series
C. two full converters in anti-parallel
D. two half converters in anti-parallel
Answer» D. two half converters in anti-parallel
Discussion
7.

Dual converters provide

A. two quadrant operation
B. three quadrant operation
C. four quadrant operation
D. none of the mentioned
Answer» D. none of the mentioned
Discussion