Computational Techniques for Voltage Stability Assessment and Control
编者:
Venkataramana Ajjarapu
内容简介:
Presenting the continuation and bifurcation-based approaches to assess power system voltage stability, this self-contained manual first provides basic definitions related to voltage stability based on IEEE/CIGRE voltage stability classification. Then the need for robust numerical techniques that are needed to address various aspects of voltage instability is articulated. It presents a tutorial introduction to the basic concepts in bifurcation theory and continuation methods. These methods lead to robust numerical techniques for voltage stability study. The book also provides details related to continuation power flow. In addition, it provides the approach to trace voltage stability boundary for changing system conditions and proposes a uniformed framework that provides computational approaches for both short-term and long-term voltage stability phenomena.
This book is intended to present bifurcation and continuation based computational3 Z, Y( O1 d Y% @- L; D, w
techniques for voltage stability assessment and control. 0 k" s% P: |& g# nChapters 1 and 2 provide background material for this book. Chapter 2 reviews O# t& e% C# E9 E; k z( I( p& ?various aspects of bifurcation phenomena and includes numerical 9 B6 [ X; u2 q4 @- t7 [0 E# t; M. otechniques that can detect the bifurcation points. Chapter 3 discusses the . h" G" {% P1 g6 x% eapplication of continuation methods to power system voltage stability and4 a: S4 j" v/ k/ A
provides extensive coverage on continuation power flow. Chapter 4 presents+ S ^* p$ Y1 |; y% u2 Y5 v
general sensitivity techniques available in the literature that includes# g* q! \3 _- z, [
margin sensitivity. Chapter 5 introduces voltage stability margin boundary) P+ @+ K, M3 A5 q
tracing. This chapter also discusses application of continuation power flow/ i6 W9 i6 X) O& w" I5 s, D
for ATC. Chapter 6 finally presents time domain techniques that can capture: Y2 n: a4 x o( g$ k0 j8 ]
short as well as long term time scales involved in voltage stability.2 s) z: {! E6 P* s/ _! x
Decoupled time domain simulation is introduced in this chapter. Basic ' ~! g# S% J6 P! f9 |3 T) e6 `steps involved in various methods in each chapter are first demonstrated( l% C% N2 c1 i9 {9 j3 G
through a two bus example for better understanding of these techniques." `, V4 Y% X& u; _+ P( P
I am grateful to Prof Pai, the series editor, who encouraged me and helped' Y/ l+ h( P- Q1 _6 |5 g+ O
me to write this book.1 V/ g& P/ J/ z$ Q
I would like to acknowledge the help from my previous and current graduate / N9 E; Q$ R9 B3 {! W8 bstudents who helped me directly or indirectly in many ways to organize! N% l' t. v, }
this book. In general would like to thank Srinivasu Battula, Qin Wang, 7 ~0 z9 [3 c& XZheng Zhou, Gang Shen, Cheng Luo and Ashutosh Tiwari. In particular , I ! M8 @% v& J9 e( Fwould like to acknowledge contributions of Colin Christy (for chapter 3) ,9 \+ u0 Y& S$ P R
Byongjun Lee (for chapter2) , Bo Long (for chapters 2,3 and 4) , Yuan ! j" h& t3 I# E. f; M% a+ G6 xZhou (for chapters 3 and 5), Geng Wang (for chapter 5) and Dan Yang (for1 e" N0 b( @1 x# ?( t
chapter 6). # f( g% y; D( a% [+ TI would also like to acknowledge IEEE and Sadhana for some of the figures 2 }' s, R! ^6 c* Y/ o) s4 J/ B7 p, P6 nand material I borrowed from my papers in these journals.
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