Monday, February 13, 2023

Dr. A.P.J. Abdul Kalam University MTECH II SEM (MTPS) Power Quality & Conditioning [MTPS203] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Technology

Second Semester Examination, June-2021

Power Quality & Conditioning [MTPS203]

Time: 3:00 Hrs Max Marks 70

Note : Attempt any five questions

Each questions carry equal marks.

Q.1 Explain Power quality improvement method. Explain Causes and

effects of harmonics. Define harmonics and explain sources of

harmonics.

Q.2 Explain Power quality and types of power quality disturbances. Explain

Causes and effects of power quality disturbances.

Q.3 Explain converter configuration and their contribution to supply

harmonics.

Q.4 Explain types of harmonics and elimination method.

Q.5 Explain design of harmonic filters. Explain Radio interference.

Q.6 Explain improved power quality converter topologies of single phase

Explain improved power quality converter topologies of three phase.

Q.7 Explain PWM converter Explain Elimination/suppression of harmonics

using active power filters.

Q.8 Explain classical solutions & their drawbacks of harmonics .Explain design

of harmonic filters.

Q.9 Write Short Notes on:

(i) Explain constant frequency control

(ii) Explain variable tolerance band control and constant tolerance band

control.

(iii) Explain discontinuous current control

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