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EndsemMay 20242019 patternBE Electrical

Power System Operation & Control (PSOC) SPPU Endsem Question Paper May 2024

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

Open the PDFMost repeated PSOC questions
Subject code
403141
Pattern
2019 pattern
Exam
Endsem
Session
May 2024
Max. marks
70
Time
2½ Hours
Semester
VII
Paper code
[6263]-104

Printed for: B.E. (Electrical Engineering)

Instructions to the candidates

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

Questions

  1. Q1

    1. a)

      What is control area concept? Define control area error.

      Also asked:May 2025 ·Nov 2023

      [4]
    2. b)

      Develop the block diagram of the load frequency control (LFC) of a single area system.

      Also asked:Nov 2025 ·May 2025 ·May 2023 ·Nov 2022

      [6]
    3. c)

      Explain clearly about proportional plus integral LFC with a block diagram.

      [8]

  2. Q2

    1. a)

      Explain the necessity of maintaining the constant frequency of the system.

      Also asked:May 2023

      [4]
    2. b)

      Explain droop characteristics of the speed governor system.

      Also asked:Nov 2024 ·May 2023

      [6]
    3. c)

      Derive transfer function of speed governor system used in single area load frequency control.

      [8]

  3. Q3

    1. a)

      Discuss operating cost of thermal unit? What is incremental cost curve.

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

      [3]
    2. b)

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

      [6]
    3. c)

      Derive the expression for optimal system operation considering transmission loss (penalty factor) for economic load Dispatch (ELD). 2

      [8]

  4. Q4

    1. a)

      What is the concept of unit commitment in the optimal operation of power system?

      Also asked:Nov 2025 ·May 2023 ·Nov 2022

      [3]
    2. b)

      With an example, explain the priority list method for unit commitment.

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

      [6]
    3. c)

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

      [8]

  5. Q5

    1. a)

      State the advantages of interconnection of power system.

      Also asked:Nov 2025 ·Nov 2023 ·May 2023 ·Nov 2022

      [4]
    2. b)

      Write a short note on power pool?

      [6]
    3. c)

      Explain: i) Diversity interchange ii) Energy banking

      [8]

  6. Q6

    1. a)

      Explain the concept of power pool?

      [4]
    2. b)

      Discuss the economy interchange between interconnected utilities

      Also asked:Nov 2024 ·May 2023

      [6]
    3. c)

      Explain: i) Capacity Interchange. ii) Interchange evaluation with unit commitment.

      Also asked:Nov 2025 ·May 2025 ·Nov 2023 ·May 2023 ·Nov 2022

      [8]

  7. Q7

    1. a)

      Define Voltage stability? Write equation for active power and reactive power for stability.

      [3]
    2. b)

      Plot a typical P-V curve and write the observations form PV curve.

      [6]
    3. c)

      Explain problem associated with voltage instability in power system.

      [8]

  8. Q8

    1. a)

      Discuss the causes of voltage collapse.

      [3]
    2. b)

      Write a short note on Q-V curve.

      [6]
    3. c)

      Explain the following voltage stability indices. i) Line stability factor (LQP) ii) Line stability index (LSI) … … …

      [8]