Course Title and Code

Power System Protection (EE5513)

Programme

B.Tech/M.Tech/MS/PhD

Course Credit

3-0-0-3 (Lecture-Tutorial-Practical-Total Credits)

Course Category

PME

Prerequisite

Nil

Consent of Teacher

Not required

Course Content

S/N Topic Lecture (hours)
1 Fundamentals of Power System Protection: Introduction, Apparatus Protection, System Protection, and Desirable attributes of protection, Signals and Sensing (CT and PT), Zone of Protection, Types of Protection, Evolution and conceptual development of Protection Philosophy. 5
2 Sequence Components and Fault Analysis: Introduction to sequence components, Sequence Modeling of Power Apparatus, Fault Calculation. 6
3 Overcurrent Protection: Fuse Protection, Fundamentals of overcurrent protection, Earth fault protection using overcurrent relays, Directional overcurrent protection, Relay coordination. 4
4 Distance Protection: Fundamentals of Distance Protection, Setting of Distance Relays, Pilot Protection with Distance Relays. 5
5 Out-of- Step Protection: Power Swing and Distance Relaying, Analysis of Power Swing in a Multi Machine System, Power Swing Detection, Blocking and Out-of- Step Relays. 4
6 Numerical Relaying: Introduction to Numerical Relaying, Sampling Theorem, Aliasing, Least Square Method for Phasor Estimation, Fourier Algorithms, Discrete Fourier Transform, Estimation of System Frequency, MATLAB implementation of LSQ, FFT Algorithms. 8
7 Differential Protection of Bus, Transformer and Generator: Bus Protection, Transformer Protection, Generator Protection, Percentage Bias Differential Characteristics. 6
8 Recent Trends in Power System Protection: Introduction to Wide Area Measurement System, Synchrophasor enabled digital relay, Protection System with Phasor inputs, Digital Protection, IED (Intelligent Electronics Device). 5

Total: 43 hours

Learning Outcomes

  • A fundamental understanding of overcurrent, distance, and differential relays and their application.
  • An understanding of the mathematical relationships and numerical techniques used in digital protection.
  • Learned to write codes to implement/realize different relaying algorithms.

Teaching Methodology

Classroom lectures

Assessment Methods

Written examination, Quiz Test, Simulation Assignment

Text Books

  • P. M. Anderson, “Power System Protection., Wiley-IEEE Press, ISBN-13: 978-8126534586, ISBN-10: 8126534583
  • A.G. Phadke and J.S. Thorp, Computer Relaying for Power Systems, 2nd edition, John Wiley & Sons, New York, 1988, ISBN-13: 978-0470057131, ISBN-10: 0470057130

References

  • Stanley, H. Horowitz (ED), “Protective relaying for power systems II”, IEEE Press, 1992, ISBN-13: 978-0780304130, ISBN-10: 0780304136
  • Gerhard Ziegler, “Numerical Distance Protection: Principles and Applications”, SIEMENS 4th Edition, ISBN-13: 978-3895783814, ISBN-10: 9783895783814