B.TechSemester 72024-25Power System ProtectionKEE077
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Power System Protection (KEE077) - AKTU Question Paper 2024-25

B.Tech · Semester 7 · Free PDF Download

This is the official AKTU Power System Protection 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

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Questions Asked in 2024-25

Power System Protection (KEE077) — extracted question text · 100 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 1 0 = 2 0
  • a
    Discuss frequency of occurrence of different types of faults o n overhead lines
  • b
    Define time setting multiplier?
  • d
    Discuss the advantages of differential relay?
  • e
    Define Plug setting mu ltiplier (PSM)
  • f
    Explain the need for Pilo t wire protection
  • g
    Illustrate the two applications o f Minimum oil circuit breaker and Bulk oil circuit breaker
  • h
    Define the insulation level of a circuit breaker. 4 K2 i. Discuss the differences of Static versus Electromagnetic relay s. 5 K2 j. Explain the reliability and secu rity of Static relays
Section BAttempt any three of the following: 10 x 3 = 30
  • a
    Explain in detail the Zo nes of protection
  • b
    State and class ification of distance relay?
  • c
    Discuss the protection of transformer with Merz-price protec tion scheme
  • d
    Explain the different methods of testing of circuit breaker? 4 K 2
  • e
    Write short notes on Schmitt Tr igger with Transistor level Detector
Section CAttempt any one part of the following: 10 x 1 = 10
  • a
    Define potential transformer and explain the construction of potential transformer?
  • b
    State the classification of protective schemes
  • a
    Explain Mho relay and draw operating characteristics of Mho relay
  • b
    Discuss the directional induc tion type over current relay. 2 K 2
  • a
    Explain the restricted earth fault protection of generators. What is the effect of earth resistance on percentage of winding unprotected?
  • b
    Discuss the protection employed for the field winding of the alternator against ground faults
  • a
    Explain the construction and working of Vacuum circuit break er
  • b
    State the sequence of operatio n of circuit breaker, isolator and earthing switch while closing
  • a
    Explain advantages o f Static Relays
  • b
    State the various f unctional circuits in a static relay. 5 K 2

Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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