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Inverter

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The output of an inverter is

a)

DC

b)

AC

2.

What are the techniques to control the output voltage?

a)

PWM

b)

buck converter

c)

dc chopper

3.

The rms output voltage for the Single-phase full-bridge inverter with RL load is

a)

Vorms = Vs

b)

Vorms = 2Vs

c)

Vorms = Vs / 2

4.

Name two signals that is used in PWM

a)

A square signal and carrier signal

b)

A reference signal and carier signal

c)

A square signal and reference signal

5.

Inverters convert...?

a)

AC to DC

b)

DC to AC

c)

AC to higher power DC

d)

DC to higher power AC

6.

In Single-phase Half-bridge Inverter, output voltage equals to

a)

Vo = Vs

b)

Vo = Vs/2

c)

Vo = 2Vs

d)

Vo = Vs/3

7.

In Single-phase Full-bridge Inverter, output voltage equals to

a)

Vo = Vs

b)

Vo = Vs/2

c)

Vo = 2Vs

d)

Vo = Vs/3

8.

1. Inverter converts:

a)

AC to DC

b)

DC to AC

c)

DC to DC

d)

AC to AC

9.

The voltage in a single-phase full bridge inverter varies between

a)

Vs and 0

b)

Vs/2 and 0

c)

Vs/2 and –Vs/2

d)

Vs and –Vs

10.

The output voltage of a Single-phase Half-bridge Inverter with R load is ideally

a)

a sine wave

b)

constant dc

c)

a triangular wave

d)

Square wave

11.

The output voltage of a Single-phase Half-bridge Inverter for inductive load is ideally

a)

a sine wave

b)

a square wave

c)

constant dc

d)

sawtooth wave

12.

Single-phase Full-bridge Inverters requires

a)

4 SCRs and 2 diodes

b)

4 SCRs and 4 diodes

c)

2 SCRs and 4 diodes

d)

2 SCRs and 2 diodes

13.

The techniques to control the output voltage of inverter is

a)

PWM

b)

buck converter

c)

dc chopper

14.

The rms output voltage for the Single-phase Full-bridge inverter with RL load is

a)

Vorms = Vs

b)

Vorms = 2Vs

c)

Vorms = Vs / 2

15.

The rms output voltage for the Single-phase Half-bridge inverter with RL load is

a)

Vorms = Vs

b)

Vorms = 2Vs

c)

Vorms = Vs / 2