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InsemMar 20252019 patternBE Electrical

Advanced Electric Drives & Control (AEDC) SPPU Insem Question Paper Mar 2025

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Subject code
403149
Pattern
2019 pattern
Exam
Insem
Session
Mar 2025
Max. marks
30
Time
1Hour
Semester
VIII
Paper code
[6411]-51

Printed for: B.E. (Electrical Engineering) (Insem.)

Instructions to the candidates

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

Questions

  1. Q1

    1. a)

      What is an electric drive? Discuss essential parts of electric drive with the help block diagram.

      Also asked:Mar 2024 ·Feb 2023

      [8]
    2. b)

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

      [7]
  2. Q2

    1. a)

      What are different components of load torque? Explain with their characteristics.

      Also asked:Feb 2023

      [7]
    2. b)

      Explain four quadrant operation of drive with the help of hoist example.

      [8]
  3. Q3

    1. a)

      Explain speed control operation of single phase fully converter fed separately excited DC motor and also draw speed - torque characteristics.

      [8]
    2. b)

      A 220V. 875 rpm and 150A D.C separately excited motor has an armature resistance of 0.06  . it is fed from single phase fully controlled converter with an ac source voltage of 230V, 50Hz. Assuming continuous conduction calculate firing angle for rated motor torque and 750 rpm.

      Also asked:Feb 2023

      [7]
  4. Q4

    1. a)

      Explain motoring operation of chopper controlled separately excited DC motor drive with neat diagrams.

      Also asked:Mar 2024 ·Feb 2023

      [7]
    2. b)

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

      [8]