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EndsemNov 20252019 patternBE Electrical

Advanced Electric Drives & Control (AEDC) SPPU Endsem Question Paper Nov 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated AEDC questions
Subject code
403149
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2025
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6584]-105

Printed for: B.E. (Electrical Engineering)

Instructions to the candidates

  1. Solve Q1 or Q2, Q3 or Q4, Q5 or Q6, Q7 or Q8.
  2. Figures to the right indicate full marks.
  3. Neat diagrams must be drawn wherever necessary.
  4. Assume suitable additional data, if necessary.
  5. Use of non-programmable calculator is allowed.

Questions

  1. Q1

    1. a)

      Explain AC dynamic (rheostatic) braking of three-phase induction motor with the two-lead connection.

      [4]
    2. b)

      Explain how to obtain multi quadrant operation of Induction motor drives.

      Also asked:May 2025 ·Nov 2024 ·May 2024

      [6]
    3. c)

      Explain close loop speed control of 3-phase Induction Motor.

      Also asked:Nov 2023

      [8]

  2. Q2

    1. a)

      Explain Plugging of three phase induction motor. Draw speed torque characteristics.

      [4]
    2. b)

      Write the merits and demerits of VSI and CSI fed Induction motor Drives.

      Also asked:Nov 2024 ·May 2024 ·Nov 2023

      [6]
    3. c)

      Explain the principle of Vector control of three phase Induction motors with a neat diagram.

      Also asked:May 2025 ·Nov 2024 ·May 2024 ·Nov 2023

      [8]

  3. Q3

    1. a)

      State the construction block diagram and working of BLDC drive in motoring modes.

      [9]
    2. b)

      Explain with block diagram the operation of vector control of BLDC motor drives.

      [9]

  4. Q4

    1. a)

      What are the control strategies used for Permanent magnet Brushless DC motor? How constant torque control is used?

      [9]
    2. b)

      Explain the close loop control of BLDC drive by using PI controller.

      [9]

  5. Q5

    1. a)

      Which are the different topology of rotor construction used in PMSM? Explain any one in detail.

      [8]
    2. b)

      Describe the construction of synchronous reluctance motor. Also explain the suitability of this motor for EV application.

      Also asked:May 2025 ·Nov 2024 ·May 2023

      [8]

  6. Q6

    1. a)

      Explain motoring and regenerative braking operation for permanent magnet synchronous motor drive.

      [8]
    2. b)

      Write a short notes on application of Synchronous Reluctance Motor in electric vehicle

      [8]

  7. Q7

    1. a)

      What is the selection criterion for motors? How ratings of the motor subjected to variable load duty is decided?

      [10]
    2. b)

      Explain the type of drive used and control achieved for specific operation in case of following applications. (for any two) i) Textile mills ii) Centrifugal pump iii) Traction drives

      [8]

  8. Q8

    1. a)

      Write short notes on Rolling mill drive and Why Four quadrant operation of drive is need for rolling mill drive?

      [10]
    2. b)

      Write a short note on solar and battery powered drives. 

      Also asked:Nov 2023

      [8]