EE2351 POWER SYSTEM ANALYSIS Syllabus EEE Sixth(6th) Semester - Anna University - Regulation 2008


                                   EE2351 POWER SYSTEM ANALYSIS                    L T P C
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AIM
To understand the necessity and to become familiar with the modelling of power system and
components. And to apply different methods to analyse power system for the purpose of system
planning and operation.
OBJECTIVES
i To model the power system under steady state operating condition. To apply efficient numerical methods to solve the power flow problem.
ii. To model and analyse the power systems under abnormal (or) fault conditions.
iii. To model and analyse the transient behaviour of power system when it is subjected to a fault.
UNIT I INTRODUCTION 9
Modern power system (or) electric energy system - Analysis for system planning and operational
studies – basic components of a power system. Generator models - transformer model –
transmission system model - load representation. Single line diagram – per phase and per unit
representation – change of base. Simple building algorithms for the formation of Y-Bus matrix and ZBus matrix.
UNIT II POWER FLOW ANALYSIS 9
Importance of power flow analysis in planning and operation of power systems. Statement of power
flow problem - classification of buses into P-Q buses, P-V (voltage-controlled) buses and slack bus.
Development of Power flow model in complex variables form and polar variables form.
Iterative solution using Gauss-Seidel method including Q-limit check for voltage-controlled buses –
algorithm and flow chart.
Iterative solution using Newton-Raphson (N-R) method (polar form) including Q-limit check and bus
switching for voltage-controlled buses - Jacobian matrix elements – algorithm and flow chart.
Development of Fast Decoupled Power Flow (FDPF) model and iterative solution – algorithm and
flowchart;
Comparison of the three methods.
UNIT III FAULT ANALYSIS – BALANCED FAULTS 9
Importance short circuit (or) for fault analysis - basic assumptions in fault analysis of power systems.
Symmetrical (or) balanced three phase faults – problem formulation – fault analysis using Z-bus
matrix – algorithm and flow chart. Computations of short circuit capacity, post fault voltage and
currents.
UNIT IV FAULT ANALYSIS – UNBALANCED FAULTS 9
Introduction to symmetrical components – sequence impedances – sequence networks –
representation of single line to ground, line to line and double line to ground fault conditions.
Unbalanced fault analysis - problem formulation – analysis using Z-bus impedance matrix –
(algorithm and flow chart.).
UNIT V STABILITY ANALYSIS 9
Importance of stability analysis in power system planning and operation - classification of power
system stability - angle and voltage stability – simple treatment of angle stability into small-signal and
large-signal (transient) stability
Single Machine Infinite Bus (SMIB) system: Development of swing equation - equal area criterion -
determination of critical clearing angle and time by using modified Euler method and Runge-Kutta
second order method. Algorithm and flow chart.
TOTAL: 45 PERIODS

TEXT BOOKS:
1. Hadi Saadat, ‘Power System Analysis’, Tata McGraw Hill Publishing Company, New
Delhi, 2002.
2. Olle. I. Elgerd, ‘Electric Energy Systems Theory – An Introduction’, Tata McGraw Hill
Publishing Company Limited, New Delhi, Second Edition, 2003.
REFERENCES:
1. P. Kundur, ‘Power System Stability and Control, Tata McGraw Hill, Publications,
1994.
2. John J. Grainger and W.D. Stevenson Jr., ‘Power System Analysis’, McGraw Hill
International Book Company, 1994.
3. I.J. Nagrath and D.P. Kothari, ‘Modern Power System Analysis’, Tata McGraw-Hill
Publishing Company, New Delhi, 1990.
4. .K.Nagasarkar and M.S. Sukhija Oxford University Press, 2007.

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