Power System Operation & Control (PSOC) SPPU Endsem Question Paper May 2025
All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.
- Subject code
- 403141
- Pattern
- 2019 pattern
- Exam
- Endsem
- Session
- May 2025
- Max. marks
- 70
- Time
- 2½ Hours
- Semester
- VII
- Paper code
- [6404]-104
Printed for: B.E. (Electrical Engineering)
Instructions to the candidates
- Solve Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
- Figures to the right indicate full marks.
- Neat diagrams must be drawn wherever necessary.
- Assume suitable additional data, if necessary.
- Use of non-programmable calculator is allowed.
Questions
Q1
ORQ2
- a)[4]
Draw and explain the working of speed governor system of turbo generator.
- b)[6]
Obtain the generator model, turbine model and power system model of single area load frequency control.
Also asked:Nov 2025
- c)[8]
Explain with a block diagram the working of proportional puls integral load frequency controller for an isolated power system.
- a)
Q3
- a)[4]
Explain the heat rate and cost curve of thermal generating units.
- b)[6]
Explain the dynamic programming method used for unit commitment with an example.
Also asked:Nov 2025
- c)[7]
This part has equations that don’t show as text. Open the PDF to read it.
OR- a)
Q4
- a)[3]
Define term penalty factor and write its formula.
- b)[6]
State the various methods for the unit commitment. Hence, explain the ‘ priority list method ’ for unit commitment.
- c)[8]
Explain with mathematical formulation the economic load dispatch without transmission loss and including equality constraints of meeting load.
Also asked:Nov 2024
- a)
Q5
- a)[4]
Explain in detail: Interchange evaluation with unit commitment.
- b)[6]
Explain in detail- Capacity Interchange.
- c)[8]
Explain the concept of a power pool in energy control. State and explain the advantages associated with a power pool? Also, discuss constraints related to the power pool.
OR- a)
Q6
- a)[4]
What are benefits of diversity interchange?
- b)[6]
Explain the concept of energy banking and how it facilitates power exchange between utilities.
Also asked:Nov 2024
- c)[8]
What are the challenges associated with coordinating interchange evaluation with unit commitment across multiple utilities?
- a)
Q7
- a)[4]
This part has equations that don’t show as text. Open the PDF to read it.
- b)[6]
Explain various voltage stability indices with their formula.
- c)[7]
Derive the expression of the power-voltage relationship for drawing the PV curve in detail and hence draw the PV curve with showing stable- unstable region.
OR- a)
Q8
- a)[4]
- b)[6]
Give the detailed classification of the voltage stability based on the time frame and based on nature of the disturbance.
- c)[7]
State the procedure to draw the QV curve. Hence, draw the QV curve with showing stable-unstable regions.