This monograph aims at giving an extensive treatment of modeling issues, 2 r/ m% d# H+ M0 y! q" Y- u1 Zdesign methodologies and implementation aspects, arising when the adaptive 1 [4 K7 _2 C, N) U7 h, icontrol theory is applied to nodal voltage control in power systems.7 C' M3 f6 i0 S; }; Y; d
The monograph is structured into six chapters and an appendix. The first2 s- E7 C9 A" }; U6 q$ ^1 T* I
three chapters introduce the reader to the voltage control problem and the - J. b8 j4 [" }- f# h* A: Usubsequent three chapters illustrate different design methodologies. In particular + k" B$ x; [- M. ]the first chapter describes the power system control problem and the ) X$ h' K; q$ S. C% K4 h P1 pvoltage control structures adopted in transmission, distribution and industrial' j- L' Y0 B/ N5 {% O( m9 a
electrical systems. The second chapter presents power system models that can " l; I+ v3 f! c9 n4 q7 i" Ube usefully employed in voltage control design. The third chapter studies the* R _2 |8 i# s" D
properties of the Kalman filter used in the estimation of voltage and current $ z- q4 v! x! B. Ophasors. The subsequent two chapters deal with the discrete-time design of, 1 x' e7 m# _! V3 mrespectively, self-tuning and model-reference adaptive voltage controllers. The $ d! e( @' U2 Ysixth chapter illustrates an adaptive design that is quite different from those9 l6 W; K7 Z0 N9 x) C
presented in the two previous chapters, being based on an adaptive mechanism ; }* ]8 ^, F* a! Y1 D' xcompensating the power system model nonlinearities. Finally, the appendix , X/ l2 u0 u+ J3 {4 \6 n5 Ldescribes the high-voltage transmission system and industrial network used2 S% ]0 Q. ~! I! L
in the simulations reported in the monograph. & O; ]9 S) ?% G7 o4 O( IThe authors wish to thank Professor Arturo Losi who has actively contributed $ C o% }" \+ l+ ~" g: M/ o; Wto the start-up of the research activities. Finally, the authors are * n$ i# i+ ~0 @5 F. G cgrateful to all readers who will kindly contribute with their comments to further 6 ]8 Y" \2 ]- F) L( Kenhance of this research topic.6 t L6 R7 [( L
Cassino, Italy, Giuseppe Fusco 4 S1 o, k3 w9 V9 G2 t% lSeptember 2006 Mario Russo