EE2351 Power System Analysis

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Previous year question papers

Normally previous year question papers are more important for finding which are the repeated questions and to concentrate on those question more for semester exam.
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  November/December 2011



Syllabus

EE2351                                            POWER SYSTEM ANALYSIS                                 L T  P C
                                                                                                                                             3 1  0  4 

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 Z-Bus 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

Prescribed books
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.


2 Marks and 16 Marks


Lecture Notes

Ebooks

"Electric Power Systems Analysis and Control" by "Fabio Saccomanno" Download link

"Power System Analysis and Design" by "Glover" Download link

"Power System Analysis" by "Stevenson" Download link

"Power System Analysis" by "J.C.Das"  Download link

"Power System Protection" by "P.M.Anderson" Download link

"Modelling and Analysis of Electric Power Systems" by "Goran Andersson" Download link


"Power System Analysis" by "Hadi Saadat" Download link

"Power System Analysis" by "John J.Grainger" Download link

"Modern Power System Analysis" by "Wang" Download link

"Power System Analysis" by "P.S.R.Murthy" Download link
 
 


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