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EndsemMay 20252019 patternBE Electrical

Advanced Electric Drives & Control (AEDC) SPPU Endsem Question Paper May 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
May 2025
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6404]-115

Printed for: B.E (Electrical)

Instructions to the candidates

  1. Solve Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Figures to the right indicate full marks.
  3. Neat diagrams must be drawn wherever necessary.
  4. Assume suitable, data if necessary.
  5. Use of non-programmable calculator is allowed.

Questions

  1. Q1

    1. a)

      Compare VSI and CSI speed control of 3- phase Induction motor.

      [4]
    2. b)

      Explain regenerative braking and multi quadrant operation of Induction motor drives.

      Also asked:Nov 2025 ·Nov 2024 ·May 2024

      [6]
    3. c)

      Explain steady-state analysis of induction motor.

      [8]

  2. Q2

    1. a)

      What are different failure modes of Drives?

      [4]
    2. b)

      Draw and explain block diagram of Vector control of induction motor.

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

      [6]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]

  3. Q3

    1. a)

      Draw construction and working of BLDC motor for motoring and regenerative braking.

      Also asked:May 2024 ·Nov 2023

      [9]
    2. b)

      Explain vector control of BLDC drive and mention its importance in EV application. 2

      [9]

  4. Q4

    1. a)

      Explain variable DC link converter topology for BLDC motor half wave drives for motoring and regenerative braking.

      Also asked:Nov 2023

      [9]
    2. b)

      Draw and explain speed torque characteristics of BLDC motor. How it differs from PM synchronous motor.

      [9]

  5. Q5

    1. a)

      Describe closed loop control of PM synchronous motor.

      [8]
    2. b)

      Describe the construction of synchronous reluctance motor. Also judge the suitability of this motor for EV applications.

      Also asked:Nov 2025 ·Nov 2024 ·May 2023

      [8]

  6. Q6

    1. a)

      Draw speed torque characteristics of PMSM. Explain application of synchronous reluctance motor in EV.

      Also asked:Nov 2023

      [8]
    2. b)

      Explain different topologies of rotor construction used in PMSM. Also state application of each.

      Also asked:Nov 2024 ·Nov 2023 ·May 2023

      [8]

  7. Q7

    1. a)

      How motors are classified on the basis of duty and enclosure type. How these will help selecting motors?

      Also asked:May 2023

      [9]
    2. b)

      Explain requirements of motor drive requirements for traction application. Explain with neat sketch any one scheme.

      Also asked:May 2024 ·May 2023

      [9]

  8. Q8

    1. a)

      Write short note on any two: i) Requirements of drive for Sugar industries. ii) Requirements of drive for Solar and battery powered application. iii) Requirements of drive for Machine tools.

      Also asked:Nov 2024 ·Nov 2023

      [9]
    2. b)

      Explain various requirements and choice of drive for EV applications. Also explain basic operations of drive. … … …

      Also asked:May 2024 ·May 2023

      [9]