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Course Detail

Course Name Power System Stability
Course Code 15EEE356
Program B. Tech. in Electrical and Electronics Engineering
Credits Bengaluru / Coimbatore / Amritapuri
Year Taught 2015
Year Taught 2016
Year Taught 2017
Year Taught 2018


Unit 1

Introduction to power system stability problem – Basic concepts and definitions of rotor angle stability, voltage stability and voltage collapse – Mid term and long term stability – Classification of stability – Small signal stability – Fundamental concepts of stability of dynamic systems – Small signal stability of a single machine infinite bus system – Effects of excitation system.

Unit 2

Small signal stability of multi-machine systems – Characteristics of small signal stability problems – Transient stability – An elementary view of transient stability – Simulation of power system dynamic response – Performance of protective relaying – Case study.

Unit 3

Sub synchronous oscillations – Introduction – Torsional interaction with power system – Voltage stability – Basic concepts – Voltage collapse – Prevention of voltage collapse – Mid term and long term stability – Nature of system response severe upsets – Case studies.

Methods of improving stability – Transient stability enhancement – Small signal stability enhancement.

Text Books / References

  • Prabha Kundur, ”Power system stability and control”, Tata McGraw Hill, 2006.


  • K. R. Padiyar, ”Power system dynamics – stability and control”, B. S. Publications, 2008
  • Peter W. Sauer and M. A. Pai, ”Power system dynamics and stability”, Pearson Education, 2003.

‘Power System Stability’ is a course offered in B. Tech. in Electrical and Electronics Engineering program at School of Engineering, Amrita Vishwa Vidyapeetham.

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