Advanced Power Electronics (3170906) MCQs

MCQs of Multi-level Converters

Showing 1 to 10 out of 47 Questions
1 2 3 4 5
1.

The output of Voltage Source Inverter is ____________

(a)

Traingular
(b)

Sinusoidal
(c)

Squarewave
(d)

Ramp
Answer:

Option (c)

2.

Why do we have to use Multilevel Inverter?

(a)

To overcome device rating limitation
(b)

For higher power application
(c)

It produces output with less harmonic content
(d)

All of these
Answer:

Option (d)

3.

Harmonic content of Multilevel Inverter output is ________ the output of Voltage Source Inverter.

(a)

less than
(b)

zero
(c)

greater than
(d)

same as
Answer:

Option (a)

4.

An ‘m’ level inverter needs _______ number of capacitors

(a)

1-m
(b)

m-1
(c)

1*m
(d)

1/m
Answer:

Option (b)

5.

Voltage distribution across each capacitor, connected across the dc input is same.

(a)

Yes
(b)

No
Answer:

Option (a)

6.

Which of the following switch/es can be used to construct the multilevel inverter?

(a)

IGBT
(b)

GTO
(c)

SCR
(d)

UJT
Answer:

Option (a)

7.

SCR is a self commutated device.

(a)

Yes
(b)

No
Answer:

Option (b)

8.

Which switch is used to understand the concept of the multilevel inverter?

(a)

Single Pole Multiple Throw
(b)

Single Pole Single Throw
(c)

Multiple Pole Multiple Throw
(d)

Multiple Pole Single Throw
Answer:

Option (a)

9.

Which of the following is not a type of multilevel inverter?

(a)

Diode Clamped Multilevel Inverter
(b)

Balancing Capacitor Multilevel Inverter
(c)

DC Bus Capacitor Multilevel Inverter
(d)

Cascaded H Bridge Multilevel Inverter
Answer:

Option (c)

10.

For 3 Level Diode Clamped Multilevel Inverter, How many IGBTs are required to produce complete cycle waveform?

(a)

4
(b)

8
(c)

6
(d)

10
Answer:

Option (b)

Showing 1 to 10 out of 47 Questions
1 2 3 4 5