B.TechSemester 72022-23Power Quality And FactsKEE074

Power Quality And Facts (KEE074) - AKTU Question Paper 2022-23

B.Tech · Semester 7 · Free PDF Download

This is the official AKTU Power Quality And Facts Previous Year Question Paper for B.Tech Semester 7, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 7

Session:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Power Quality And Facts (KEE074) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20

a
What is the meaning of power quality disturbances?
b
What are the causes of sags and swell?
c
Name two types of sag mitigation devices
d
What is the importance of estimating sag performance?
e
What are the types of transient over voltages?
f
Define effect of capacitor switching transients on network?
g
Define the need of FACTS controllers in the power system
h
Draw VI characteristics of SVC. (i) Mention the harmonic sourc es from industrial loads. (j) What is harmonic index? State it’s significant

Section BAttempt any three of the following:

a
Discuss about the Power Quality Evaluation Procedure. Explain General Classes of Power Quality Problems
b
Discuss about the Information Technology Industry Council (ITIC). Explain about the events described in the curve
c
Define lightning? Explain in detail about the surge arrestors and surge suppressors
d
Discuss in detail about the type s of facts controllers with diagram
e
What are the two important harmonic indices used in power syst em? Explain about it briefly

Section CAttempt any one part of the following:

a
Explain short duration voltage variation and its mitigation te chnique with suitable example
b
Define waveform distortion? Exp lain the waveform distortion categories
a
Discuss briefly about the Static Transfer Switches. How it is u sed tominimizing the severity of sags?
b
Explain the following sag mitigation techniques . (i) Hybrid UP with energy storage (ii) Flywheel wheel energy storage
a
What is the range of current induced due to lightning stroke? Explain in detail the mechanism of lightning
b
Explain briefly about the funda mental principles of overvolta ge protection of load equipment
a
Explain the operation of DSTATCOM used for sag mitigation. Com pare STATCOM and SVC
b
What is static VAR system? Expl ain its advantages and applications
a
What is harmonic filter? Write the short notes on the benefits of active harmonic filter
b
Explain for the following terms in detail :- (i) individual and total harmonic distortion (ii) Zig-zag transformer

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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