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InsemFeb 20232019 patternBE Electrical

Advanced Electric Drives & Control (AEDC) SPPU Insem Question Paper Feb 2023

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

Open the PDFMost repeated AEDC questions
Subject code
403149
Pattern
2019 pattern
Exam
Insem
Session
Feb 2023
Max. marks
30
Time
1 Hour
Semester
VIII
Paper code
[6010]-51

Printed for: B.E. (Electrical Engineering) (In-Sem)

Instructions to the candidates

  1. Answer Q1 or Q2, Q3 or Q4.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right side indicate full marks.
  4. Use of 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 2025 ·Mar 2024

      [5]
    2. b)

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

      [5]
    3. c)

      Derive the criteria of steady state stability of an electrical drive system.

      Also asked:Mar 2024

      [5]

  2. Q2

    1. a)

      Explain multi quadrant operation of a motor driving a hoist load.

      Also asked:Mar 2024

      [5]
    2. b)

      What are the different components of load torque? Explain in detail.

      Also asked:Mar 2025

      [5]
    3. c)

      State the factors on which the choice of electrical drive depends.

      [5]

  3. Q3

    1. a)

      Explain operation of chopper controlled separately excited DC motor drive with suitable waveforms.

      Also asked:Mar 2025 ·Mar 2024

      [5]
    2. b)

      A 200 V, 875 rpm 150 A separately excited dc motor has an armature resistance of 0.06 ohm, it is fed from a single phase fully controlled rectifier with an ac source voltage of 220 V, 50 Hz. Assuming continuous conduction, Calculate i) Firing angle for rated motor torque & 750 rpm. ii) Firing angle for rated motor torque & -500 rpm. 2

      Also asked:Mar 2025

      [5]
    3. c)

      Explain regenerative braking of dc motor along with speed torque characteristics.

      [5]

  4. Q4

    1. a)

      Explain operation of single phase fully controlled converter fed separately DC motor drive with suitable waveforms and derive relation between speed and firing angle.

      Also asked:Mar 2024

      [5]
    2. b)

      A 220 volts, 200 A, 800 rpm, dc separately excited motor has an armature resistance of 0.06 ohm. The motor armature is fed from a variable voltage source with an internal resistance of 0.04 ohm. Calculate internal voltage of variable voltage source when the motor is operating in regenerative braking at 80% of the rated motor torque and 600 rpm.

      [5]
    3. c)

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

      [5]