Power System Dynamics and Stability-Question
Power System Dynamics and Stability-Question
Power System Dynamics and Stability-Question
No.
Name
M.TECH DEGREE EXAMINATION
Model Question Paper
Branch: Electrical and Electronics Engineering;
Specialization: Power Systems
POWER SYSTEM DYNAMICS AND STABILITY
[Regular/ Supplementary]
Time: Three hours
1. Define Power system stability and explain in detail different types of stability.
(25 marks)
Or
2. Derive the expression for electrical power and torque in a synchronous machine.
(25 marks)
3. Obtain the IEEE ST1A excitation system model.
(25 marks)
4. Explain the effect of AVR on Synchronizing and damping torque components (25 marks)
Or
5. (a) Explain the small signal stability of single machine infinite bus system. Develop the
block diagram of SMIB using Classical Generator Model for Small Signal Stability
Analysis.
6. Explain the Special techniques for the analysis of very large systems. Or
7. What is power system stabilizer and why it is used? How can you model a power system
stabilizer?
8. l.a) discuss clearly how the angular stability issue occurs in power system.
b)
Derive
swing
formula.
[12]
10. With the help of block diagram provide the structure of a Power System
stabilizer. discuss in detail different components in it. [12]
11. Discuss the SSR phenomenon and make a distinction between SSR
schematic diagrams. 10
13.(a) Develop the block diagram of single machine infinite bus
10