Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 7th Sem Old 172403 Power Processing Circuits Ii Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (Old) EXAMINATION ? WINTER 2019
Subject Code: 172403 Date: 28/11/2019
Subject Name: Power Processing Circuits - II
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) List and explain the performance parameters of inverter. 07
(b) Explain principle of operation of inverter. Classify them and give applications 07
Q.2 (a) Explain the working of full bridge inverter with neat diagram and waveforms. 07
(b) What is Multi Level Inverter? Explain their need briefly. Give applications. 07
OR
(b) Explain the working of Flying Capacitor Multi Level Inverter (FC-MLI) 07
Q.3 (a) Explain 120? conduction mode operation of inverter. 07
(b) Explain the difference between square wave and quasi square wave operation of
inverter.
07
OR
Q.3 (a) Explain 180? conduction mode operation of inverter. 07
(b) What do you mean by resonant converters? Explain ZVS resonant inverter. 07
Q.4 (a) Explain input side control techniques of inverter. 07
(b) List different types of PWM techniques for control of inverter. Explain any one. 07
OR
Q.4 (a) Explain output side control techniques of inverter. 07
(b) Explain the concept of Triplen Harmonic Injection with its advantages. 07
Q.5 (a) Classify AC voltage controllers. List and explain its performance parameters. 07
(b) State the advantages and applications of Active Front End Rectifiers. 07
OR
Q.5 (a) Explain Integral Cycle Control of AC-Ac controllers. 07
(b) List different types of batteries. Explain in brief their methods of charging. 07
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This post was last modified on 20 February 2020