Course Details
Subject {L-T-P / C} : EE6202 : Power System Protection { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Ananyo Sengupta
Syllabus
Module 1: Brief review of power system protection schemes (9 hrs)
Introduction to protection systems, function of protection system (1hr)
Protection of feeder & transmission lines: overcurrent relays, directional relays, distance relays, pilot relaying. (5hr)
Transformer, reactor protection (1hr)
Generator protection (1hr)
Busbar Protection (1hr)
Module 2: Introduction to computer relaying (3hrs)
computer relay architecture (1hr)
Analog-to-digital converters, Anti-aliasing filters (1hr)
Expected benefits of computer relaying and limitations (1hr)
Module 3: Mathematical basis for protective relaying algorithms (5hrs)
Probability and Random process, Fourier series, Walsh functions (1hr)
Fourier transforms (1hr)
LES Technique (1hr)
Frequency estimation: Zero crossing Method, Using Phasor estimation technique (1hr)
Kalman filtering (1hr)
Module 4: Digital Protection of Transmission line relaying (4hrs)
Relaying as parameter estimation, Symmetrical component distance relay (1hr)
Fault classification, Wavelet application (1hr)
Protection of series compensated lines (1hr)
Digital Relaying: Benefits, Protection Functions (1hr)
Module 5: Digital Protection of transformer, machines and buses (3hrs)
Digital Protection of power transformer: Needs, Benefits, Algorithms, Protection functions etc. (1hr)
Digital generator protection & motor protection: Needs, Benefits, Algorithms, Protection functions etc. (1hr)
Digital bus protection: Needs, Benefits, Algorithms, Protection functions etc. (1hr)
Module 6: System relaying and control (4hrs)
Measurement of frequency and phase (1hr)
Introduction to Phasor Measurement Unit (PMU) (1hr)
Application of PMU for state estimation, monitoring of power system, control application. (2hrs)
Module 7: Relaying application of traveling wave (3hrs)
Basic concept of traveling wave, Traveling wave on single phase and three phase lines (1hr)
Directional wave relay, Traveling wave distance relay (1hr)
Determination of fault location (1hr)
Module 8: Wide area measurement application (3hrs)
Adaptive relaying (1hr)
Wide area measurement system (WAMS) (1hr)
Protection based on WAMS. (1hr)
Course Objectives
- To understand different techniques of digital relaying - their constructions, working principles, applications and limitations along with introduction to Wide Area Measurement System and network protection.
Course Outcomes
At the completion of the course, students will be able to: <br /> <br />CO1: Design protection scheme for feeder, transmission line, busbar, transformer, reactor, generator, motor etc. <br />CO2: Coordinate the relays placed at entire power system. <br />CO3: Get an exposure on digital relaying, its fundamentals, attributes and advantages. <br />CO4: Implement Digital relay for different power system elements <br />CO5: Understand basics behind synchro-phasor based power system relaying. <br />CO6: Get exposure on power system monitoring using wide area measurement system.
Essential Reading
- Arun G. Phadke, James S. Thorp, Computer Relaying for Power Systems, Wiley
- Allan Thomas Johns, S.K. Salman, Digital Protection for Power Systems, The Institution of Engineering and Technology
Supplementary Reading
- A.G. Phadke, J.S. Thorp, Synchronized Phasor Measurements and Their Applications, Springer
- Walter A. Elmore, 'Protective Relaying: Theory and Applications, CRC Press