Explore topic-wise MCQs in Power Systems.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Power Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

INSULATOR_CAPACITANCE_IS_DOES_NOT_PLAY_SIGNIFICANT_ROLE_IN_HVDC_LINES?$

A. True
B. False
Answer» B. False
2.

The overvoltage that occur mainly under converter stations are due to ________?

A. Lightening and switching overvoltage
B. Transients produced in conductors
C. Overvoltage due to fault clearing
Answer» B. Transients produced in conductors
3.

Which of the DC links can be operated when a fault occurs in the transmission line?

A. Bipolar link and Homopolar link
B. Monopolar link and Bipolar link
C. Monopolar link
D. Bipolar link
Answer» B. Monopolar link and Bipolar link
4.

Homopolar link is employed instead of bipolar link to ___________

A. reduce corona loss
B. reduce radio interference
C. improve reliability
D. all of the mentioned
Answer» B. reduce radio interference
5.

If the currents in the two conductors of bipolar HDVC link is same, then _______

A. ground current is zero
B. two poles work independently
C. ground current zero and two poles work independently
D. none of the mentioned
Answer» C. ground current zero and two poles work independently
6.

(i) Bipolar link has two conductors

A. Both conductors have same magnitude of voltage.
B. (i) is False & (ii) is True
C. (i) is True & (ii) is True
D. Both are false
Answer» C. (i) is True & (ii) is True
7.

(i) Monopolar DC link has one energised conductor of positive polarity.

A. It was ground as return path
B.
C. (i) is False & (ii) is True
Answer» B.
8.

Which of the above is not a DC link?

A. Monopolar link
B. Bipolar link
C. Homopolar link
D. None of the mentioned
Answer» E.
9.

Smooth reactor is connected between _____________

A. DC output of converter and load
B. load and ground
C. source and input of converter
D. any of the mentioned
Answer» B. load and ground
10.

Ripple of the DC-output at power converter is ____________

A. maximum value of instantaneous difference between average and instantaneous value
B. minimum value of instantaneous difference between average and instantaneous value
C. average value of output
D. maximum value of instantaneous value
Answer» B. minimum value of instantaneous difference between average and instantaneous value