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GATE 2022 : Power Electronics Quiz- 78

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Question 1

The circuit employing class C commutation has Vs= 200V, R1 = 100 Ω, R2 = 150Ω. The peak current through thyristor T1 is ___?

Question 2

Which of the following statements is correct?

Question 3

In the following DC to DC converter circuit. If the switch is operated at 20 kHz with duty ratio of 0.Find energy transferred (in Joules) from V1 to V2 is _______.

Question 4Multiple Correct Options

Consider a single phase full-bridge inverter that is supplying an RLC load. The parameters are: R = 5 Ω, L = 0.5 H, C = 50 μF, supply voltage = 220 V, 50 Hz. Then choose the correct option(s):

Question 5

A single phase bridge controlled rectifier is shown in figure below. For an A.C. source voltage of 230 V, 50 Hz and firing angle 30°. Find the power deliver to battery (in KW)?

Question 6

Given Vs = 20, Vo = 50 V, Duty cycle α = 0.5, L = 20 μH, R = 50Ohm. Find the switching frequency (KHz)?

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Jul 17ESE & GATE EE

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Mohd. IrshadMohd. IrshadMember since Apr 2020
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