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 computational; n# L9 Y# r1 H' E* P* J
techniques for voltage stability assessment and control.: e+ i2 F+ P7 `
Chapters 1 and 2 provide background material for this book. Chapter 2 reviews* l4 E8 M3 m7 I, A9 S# H0 `$ Y
various aspects of bifurcation phenomena and includes numerical . j( \0 a# z( c0 otechniques that can detect the bifurcation points. Chapter 3 discusses the, t6 m# C v! Z2 J" \
application of continuation methods to power system voltage stability and$ V! E5 y) I& P, U: [# N$ L0 ?9 K8 E
provides extensive coverage on continuation power flow. Chapter 4 presents 0 G2 I. U8 X: I9 b# Rgeneral sensitivity techniques available in the literature that includes 2 r3 Z) Z+ p+ m) K% `2 gmargin sensitivity. Chapter 5 introduces voltage stability margin boundary 9 P0 t- _. \6 }! n8 Ltracing. This chapter also discusses application of continuation power flow 4 H7 ]+ k3 V- g. K' sfor ATC. Chapter 6 finally presents time domain techniques that can capture ) K0 n$ B' ^; S+ E" d: `short as well as long term time scales involved in voltage stability. 9 E5 |) @: ~& wDecoupled time domain simulation is introduced in this chapter. Basic1 k/ y( o2 d. ^1 [
steps involved in various methods in each chapter are first demonstrated4 h' v _/ E0 }& l+ i0 U4 g+ d
through a two bus example for better understanding of these techniques. z, m7 g2 B3 X' \# ~7 r: f* o+ uI am grateful to Prof Pai, the series editor, who encouraged me and helped 4 H* [8 n( k p; ~0 ?! d4 k& B1 Tme to write this book.$ l( ]8 c5 S8 u) d _* O- V" _
I would like to acknowledge the help from my previous and current graduate7 w% x$ g2 [7 u+ J* N/ U1 k7 W. a4 W
students who helped me directly or indirectly in many ways to organize8 P, Z, P% g4 x' B
this book. In general would like to thank Srinivasu Battula, Qin Wang,9 D0 [6 I+ f6 M7 J) v3 K5 y: ^: ~
Zheng Zhou, Gang Shen, Cheng Luo and Ashutosh Tiwari. In particular , I8 \" H F6 g# r% ]2 L. v5 |+ ?! B
would like to acknowledge contributions of Colin Christy (for chapter 3) , , t: e6 }% \1 nByongjun Lee (for chapter2) , Bo Long (for chapters 2,3 and 4) , Yuan5 o0 l" F) q' G& C
Zhou (for chapters 3 and 5), Geng Wang (for chapter 5) and Dan Yang (for ; A% O8 f# t' } o" P( Jchapter 6).( e% C( C6 Q/ a3 a! M
I would also like to acknowledge IEEE and Sadhana for some of the figures- g( O3 H0 [; X3 O: y* D( B/ @
and material I borrowed from my papers in these journals.
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