Single-phase Controlled Rectifiers (Part 6)

Single-phase Controlled Rectifiers (Part 6)

University

10 Qs

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Single-phase Controlled Rectifiers (Part 6)

Single-phase Controlled Rectifiers (Part 6)

Assessment

Quiz

Other

University

Practice Problem

Hard

Created by

IR. RAHMAN

Used 19+ times

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10 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Choose power switches used in controlled rectifier circuits.

BJTs

Diodes

IGBTs

Thyristors

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During the positive half-cycle of the supply voltage, the power switches of controlled rectifiers are automatically turn-on.

True

False

3.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Choose the requirements to turn-on the thyristors in a controlled full-wave rectifiers.

The anode terminal of the thyristors is positive.

The cathode terminal of the thyristor is positive.

The half-cycle of the AC supply voltage is positive.

Applying a control signal to the gate terminal of the thyristors.

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The function of controlled rectifiers is to vary the DC power supplied to the load.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Under typical operation, the current conduction range of controlled rectifiers is larger than uncontrolled rectifiers.

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Calculate the RMS output current if the firing angle is 28⁰

3.57 A

3.61 A

5.05 A

5.11 A

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Determine the average value of vo(t) if the firing angle, α is 35⁰. Note: Vm = 100 V.

28.95 V

31.83 V

40.95 V

57.91 V

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