This monograph aims at giving an extensive treatment of modeling issues,( r( H! Q7 u2 R; f+ A
design methodologies and implementation aspects, arising when the adaptive , Q$ i! O; U: C$ E0 a! ^$ ^) ocontrol theory is applied to nodal voltage control in power systems. 9 |2 O. C, }& jThe monograph is structured into six chapters and an appendix. The first) F+ d6 ~) q5 ~8 V
three chapters introduce the reader to the voltage control problem and the 9 Q! _) u; c3 q& X1 x9 }subsequent three chapters illustrate different design methodologies. In particular3 l# a+ g8 B: s% R% e' b5 C) ?
the first chapter describes the power system control problem and the% B; Z W; q) H+ `' M/ a& B w
voltage control structures adopted in transmission, distribution and industrial( M* P* V, r" _5 y4 I% b' @; V" _
electrical systems. The second chapter presents power system models that can8 r) B/ a7 J% P
be usefully employed in voltage control design. The third chapter studies the 6 E9 B' A7 t8 @3 A9 @( o- Eproperties of the Kalman filter used in the estimation of voltage and current7 a" J3 M- k D/ c# g5 A2 {
phasors. The subsequent two chapters deal with the discrete-time design of, # i# l: }( D+ J8 lrespectively, self-tuning and model-reference adaptive voltage controllers. The9 @: n. c9 P/ H6 ]" E9 b
sixth chapter illustrates an adaptive design that is quite different from those - M% y7 n6 T/ J1 ypresented in the two previous chapters, being based on an adaptive mechanism 4 M& y2 n2 D9 V" Icompensating the power system model nonlinearities. Finally, the appendix9 C7 b/ L0 {& ^" v. P' y
describes the high-voltage transmission system and industrial network used d1 Q: B1 h! n+ S7 A7 U' Tin the simulations reported in the monograph.( `( H3 G! Z0 m8 Z; W( {. c
The authors wish to thank Professor Arturo Losi who has actively contributed7 O! \* `% }, I8 ^/ P
to the start-up of the research activities. Finally, the authors are. o; d* V7 h M" z0 H; L6 ~
grateful to all readers who will kindly contribute with their comments to further ) T( C2 \! P4 g9 W& _0 K* P( denhance of this research topic. " S- A2 O7 @: O% F) h) w9 WCassino, Italy, Giuseppe Fusco - c5 P- z: U- o9 q3 _% O5 F, kSeptember 2006 Mario Russo