PS4011 Computer Relaying and Wide Area Measurement Systems Syllabus:
PS4011 Computer Relaying and Wide Area Measurement Systems Syllabus – Anna University PG Syllabus Regulation 2021
COURSE OBJECTIVES:
The goal of this course is
1. To discriminate conventional relays and computer relays
2. To comprehend the operating values of a computer relays
3. To provide exposure to wide area measurement systems through the computer hierarchy in the substation, system relaying and control
4. To inculcate knowledge on phasor measurement unit and its application to power system
5. To enhance the conventional power system studies with wide area measurement techniques
UNIT I INTRODUCTION
Historical background – Expected benefits – Computer relay architecture – Analog to digital converters – Anti-aliasing filters – Substation computer hierarchy – Fourier series Exponential fourier series – Sine and cosine fourier series – Phasor.
UNIT II FILTERS IN COMPUTER RELAYING
Walsh functions – Fourier transforms – Discrete fourier transform – Random processes – Filtering of random processes – Kalman filtering – Digital filters – Windows and windowing – Linear phase Approximation – Filter synthesis – Wavelets – Elements of artificial intelligence.
UNIT III COMPUTATION OF PHASORS
Introduction – Phasor representation of sinusoids – Fourier series and Fourier transform and DFT Phasor representation – Phasor Estimation of Nominal Frequency Signals – Formulas for updating phasors – Non-recursive updates – Recursive updates – Frequency Estimation.
UNIT IV PHASOR MEASUREMENT UNITS
A generic PMU – The global positioning system – Hierarchy for phasor measurement systems – Functional requirements of PMUs and PDCs – Transient Response of: Phasor Measurement Units, of instrument transformers, filters. Transient response during electromagnetic transients and power swings.
UNIT V PHASOR MEASUREMENT APPLICATIONS
State Estimation – History, Operator’s load flow – Weighted least square: least square, Linear weighted least squares, Nonlinear weighted least squares – Static state estimation – State estimation with Phasors measurements – Linear state estimation – Protection system with phasor inputs: Differential and distance protection of transmission lines – Adaptive protection – Adaptive out-of-step protection.
TOTAL: 45 PERIODS
COURSE OUTCOMES:
Students able to
CO1 Demonstrate knowledge of fundamental theories, principles and practice of computer relaying, Wide area measurement system
CO2 Analyze the power system with computer relaying and Wide area measurement system
CO3 Validate the recent relaying technologies which work towards smart grid
CO4 Design wide area measurement systems for Smart grid.
CO5 Compare the performance of modern relaying schemes and measurement techniques with the conventional one.
REFERENCES:
1. A.G. Phadke, J.S. Thorp, “Computer Relaying for Power Systems”, John Wiley and Sons Ltd., Research Studies Press Limited, 2nd Edition, 2009.
2. A.G. Phadke, J.S. Thorp, “Synchronized Phasor Measurements and Their Applications”, Springer, 2008
3. Antonello Monti, Carlo Muscas, FerdinandaPonci,“Phasor Measurement Units and Wide Area Monitoring Systems” Academic Press, 09-Jun-2016
4. Stanley H. Horowitz, Arun G. Phadke, “Power System Relaying”, John Wiley & Sons, 25-Oct- 2013.