MCQs of HVDC Transmission (Advanced Power Electronics - 3170906)

Showing 21 to 25 out of 25 Questions

21.

Why dont we prefer the HVDC link for the short distance transmission?

(a)	Huge Filters required
(b)	Audio Frequency Interferance
(c)	Complexity of Contol
(d)	Not economical

22.

Overload Capacity of EHVAC is more than HVDC?

(a)	True
(b)	False

23.

HVDC transmission has ___________ as compared to HVAC transmission.

(a)	smaller transformer size
(b)	smaller conductor size
(c)	higher corona loss
(d)	smaller power transfer capabilities

24.

Two six pulse converters used for bipolar HVDC transmission system, are rated at 1000 MW, ± 200 kV. What is the dc transmission voltage?

25.

HVDC transmission lines are __________ as compared to HVAC lines.

(a)	difficult to erect
(b)	more expensive for long distances
(c)	more expensive for short distances
(d)	less expensive for short distances

Showing 21 to 25 out of 25 Questions