Advanced Power Electronics (3170906) MCQs

MCQs of Multipulse Converters

Showing 11 to 20 out of 28 Questions
11.

Do we need to design the filter for 5th order harmonic for 6-pulse converter?    

(a)

Yes

(b)

No

(c)

Maybe

Answer:

Option (a)

12.

In three phase rectifier if the transformer is used then how many windings are required on the secondary side?

(a)

2

(b)

3

(c)

4

(d)

1

Answer:

Option (d)

13.

Which of the following is not a multipulse converter?

(a)

24 pulse converter

(b)

6 pulse converter

(c)

18 pulse converter

(d)

12 pulse converter

Answer:

Option (b)

14.

How many intervals are there in the working principle of 6 pulse converter?

(a)

2

(b)

3

(c)

6

(d)

4

Answer:

Option (c)

15.

Only resistive load can be connected to 6-pulse converter.

(a)

Yes

(b)

No

Answer:

Option (b)

16.

What should be the winding connections in the phase shifting transformer of 12-pulse converter.

(a)

Y/Δ

(b)

Δ/Y

(c)

Y-Δ/Δ

(d)

Y/Y-Δ

Answer:

Option (d)

17.

How many secondary windings are required in the construction of phase shfting transformer for 12-pulse converter?

(a)

1

(b)

2

(c)

3

(d)

4

Answer:

Option (b)

18.

Multipulse converter cancels the harmonics in the 

(a)

Load Current

(b)

Load Voltage

(c)

Line Current

(d)

Supply Voltage

Answer:

Option (c)

19.

Harmonic content in the 12 pulse converter is _______  the 6 pulse converter.

(a)

greater than

(b)

less than

(c)

greater or equal to

(d)

equal to

Answer:

Option (b)

20.

Which harmonics are cancelled in the operation of 12 pulse converter?

(a)

11

(b)

13

(c)

5

(d)

9

Answer:

Option (c)

Showing 11 to 20 out of 28 Questions