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EndsemNov 20232019 patternBE Electrical

Advanced Electric Drives & Control (AEDC) SPPU Endsem Question Paper Nov 2023

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

Subject code
403149
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2023
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6181]-136

Printed for: B.E. (Electrical Engineering)

Instructions to the candidates

  1. Solve Q.1 or Q.2, Q.3 or Q.4, 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 closed loop speed control of 3-phase Induction motor.

      Also asked:Nov 2025

      [4]
    2. b)

      Explain Plugging braking of Induction motor. What precautions are to be taken during plugging operation of Induction motor?

      Also asked:Nov 2024

      [6]
    3. c)

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

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

      [8]
  2. Q2

    1. a)

      Compare merits and demerits of VSI and CSI fed induction motor drive.

      Also asked:Nov 2025 ·Nov 2024 ·May 2024

      [4]
    2. b)

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

      [6]
    3. c)

      Explain the principle of vector control of Induction motor. 2

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

      [8]
  3. Q3

    1. a)

      Describe working of BLDC motor for motoring and regenerative braking with neat block diagram with.

      Also asked:May 2025 ·May 2024

      [9]
    2. b)

      Explain closed loop control of BLDC drive. Also judge the suitability of this motor for EV application.

      Also asked:Nov 2024

      [9]
  4. Q4

    1. a)

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

      Also asked:May 2025

      [9]
    2. b)

      Describe with necessary diagram vector control of BLDC motor. State the advantages of vector control.

      Also asked:Nov 2024 ·May 2024 ·May 2023

      [9]
  5. Q5

    1. a)

      Draw neat diagram and explain vector control of PM synchronous motor.

      Also asked:Nov 2024 ·May 2024

      [8]
    2. b)

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

      Also asked:May 2025

      [8]
  6. Q6

    1. a)

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

      Also asked:May 2025 ·Nov 2024 ·May 2023

      [8]
    2. b)

      Draw construction of synchronous reluctance motor and explain its operation.

      Also asked:Nov 2024 ·May 2024

      [8]
  7. Q7

    1. a)

      Explain requirement and choice of drives for steel rolling mills. Why four quadrant operations are needed in rolling mill drives?

      Also asked:Nov 2024

      [10]
    2. b)

      How drives are selected for Solar and battery powered application.

      Also asked:Nov 2025

      [8]
  8. Q8

    1. a)

      Write short note on any two: i) Classes of motor duty. ii) Requirements of drive for Traction. iii) Requirements of drive for Machine tools.

      Also asked:May 2025 ·Nov 2024

      [10]
    2. b)

      With schematic diagram explain drives required is sugar industries. Will modern power converters be useful in sugar industry? Explain. 

      Also asked:May 2023

      [8]