B.TechSemester 72024-25Power Quality And FactsKEE074
View PDFDownload

Power Quality And Facts (KEE074) - AKTU Question Paper 2024-25

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 2024-25. 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:2024-25
University:AKTU / UPTU

Rate this paper

Questions Asked in 2024-25

Power Quality And Facts (KEE074) — complete question paper · 100 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 10 = 20
  • a
    What are long-duration voltage variations?
  • b
    Define voltage fluctuation
  • c
    What are common sources of voltage sag?
  • d
    Name two solutions to mitigate voltage sag at the end-user level
  • e
    What are atmospheric transients?
  • f
    Mention one device used for overvoltage protection
  • g
    What does FACT stand for in power systems?
  • h
    Name two types of FACT devices. 4 K3 i. What are the effects of harm onics on transformers? 5 K2 j. What is one technique for mitigating harmonics?
Section BAttempt any three of the following: 10 x 3 = 30
  • a
    Explain the key terms and defi nitions associated with power quality, including transients, long-durat ion voltage variations, short-d uration voltage variations and other phenomena
  • b
    What are the primary sources of voltage sag, such as motor s tarting, arc furnaces, and fault clearing? E xplain their impact on power sys tem performance and end-user equipment
  • c
    Describe the sources of transient over voltages in power sys tems, including atmospheric and switching transients
  • d
    Define FACTS (Flexible AC T ransmission Systems) and explain their role in power flow control. Prov ide an overview of various FACT controllers
  • e
    What are the causes of harmoni cs in electrical systems, and how do current and voltage harmonics di ffer? Discuss their measurement techniques in detail
Section CAttempt any one part of the following: 10 x 1 = 10
  • a
    Discuss the impact of voltage fluctuations and waveform dist ortions on electrical equipment performance and power system stability
  • b
    Describe the causes and characteristics of power frequency v ariations and their potential effects on sensitive electrical equipment and industrial processes
  • a
    How can the performance of voltage sag be estimated, and wha t are the principles of its protection? Discuss in detail the methods and tools used for this purpose
  • b
    Discuss various solutions for mitigating voltage sag at the end-user level, such as isolation transformers, voltage regulators, static and rotary UPS systems, and active series compensators
  • a
    What are the effects of neutral voltage swings and UPS switc hing transients on power system stabil ity and equipment performance? Provide examples and mitigation techniques
  • b
    Explain the various devices us ed for overvoltage protection, highlighting their working principles and applications in modern power systems
  • a
    Discuss the types of FACT devi ces, such as SSC, SVC,TCSC and their applications in power systems
  • b
    Derive the basic relationship for power flow control in a tr ansmission line using FACTS devices
  • a
    Explain the effects of harmonics on transformers, AC motors, capacitor banks, cables, and communication lines
  • b
    Discuss harmonic mitigation techniques, including both passi ve and active solutions. Provide examples of their applications in modern power systems

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.

Power Quality And Facts — Other Year Papers

AKTU Power Quality And Facts PYQs from other sessions

Power Quality And Facts2022-23

More B.Tech Semester 7 (2024-25) Papers

Other subjects from same semester and session

Electric Drives2024-25Additive Manufacturing2024-25Machine Learning2024-25Maintenance Engineering Management2024-25Disaster Preparedness And Management2024-25Speech Processing2024-25Power Plant Engineering2024-25Vlsi Design2024-25
View all B.Tech Semester 7 2024-25 papers →

Syllabus & More PYQs

Paper solve karne se pehle unit-wise syllabus dekh lo

AKTU 4th Year PYQs — All Branches