B.TechSemester 62022-23Special Electrical MachinesKEE-061
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Special Electrical Machines (KEE-061) - AKTU Question Paper 2022-23

B.Tech · Semester 6 · Free PDF Download

This is the official AKTU Special Electrical Machines Previous Year Question Paper for B.Tech Semester 6, 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 6
Session:2022-23
University:AKTU / UPTU

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Questions Asked in 2022-23

Special Electrical Machines (KEE-061) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20
  • a
    In which mode the induction machine runs faster th an the synchronous speed and define the nature of slip in the same mode
  • b
    Write the applications of Induction generator, Linear Induction Motor and Servomotors
  • c
    Describe the differences between a Stepper motor and a Servo motor?
  • d
    Define pull in torque and pull out torque in stepper motor
  • e
    Differentiate between Switched Reluctance and stepper motor
  • f
    Draw the torque speed characteristics of Switched Reluctance Motor
  • g
    Differentiate between DC motors and PMDC motors
  • h
    Differentiate between DC motors and BLDC motors. i. State the working principle of single phase ac synchronous motor. j. Write four applications of single phase ac commutator motors
Section BAttempt any three of the following: 10x3=30
  • a
    Illustrate the construction and working principle o f two phase servomotor with the help of torque speed characteristics
  • b
    Explain the construction and working principle of m ulti stack Variable Reluctance Stepper motor with the help of neat sketches
  • c
    Explain the torque production and performance chara cteristics of switched reluctance motors (SRM)
  • d
    Describe the working principle, important features and applications of sinusoidal permanent magnet AC motors (PMAC)
  • e
    Differentiate between single phase induction motor and single phase synchronous motor and discuss the different challenges
Section CAttempt any one part of the following: 10x1=10
  • a
    Illustrate the construction and working principl e of Induction generator with the help of equivalent circuits and characteristics
  • b
    Classify the different types of Induction generator ? Illustrate the construction and working principle of each. 4. Attempt any one part of the following: 10x1=10
  • a
    Classify the different type of stepper motors? I llustrate the construction and working principle of each with the help of neat diagrams
  • b
    Illustrate open loop and closed loop control of stepper motors with the help of microprocessor control circuits, express the five applications of stepper motor. 5. Attempt any one part of the following: 10x1=10
  • a
    Explain the construction and working principle o f rotary and linear switched reluctance motor(SRM)
  • b
    Illustrate the performance characteristics and m ethods of rotor position sensing and sensor less operation of switched reluctance motor. 6. Attempt any one part of the following: 10x1=10
  • a
    Describe the operating principle, equivalent cir cuit and characteristics of permanent magnet DC Motor
  • b
    Classify the different types of permanent magnet brushless DC motors? Explain the principle of operation with the help of e.m.f. and torque equ ation of permanent magnet brushless DC motors. 7. Attempt any one part of the following: 10x1=10
  • a
    Identify the different types of single phase syn chronous motors? Explain the construction, operating principle and characteristics
  • b
    Classify the different types of single phase com mutator motors? Explain the construction, operating principle and characteristics of each type of single phase commutator motors

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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