A hybrid decoupled approach to optimal power flow

Author

Yan, Z. ; Xiang, N.D. ; Zhang, B.M. ; Wang, S.Y. ; Chung, T.S.

Author_Institution

Inst. of Syst. Sci., Acad. Sinica, Beijing, China

Volume

11

Issue

2

fYear

1996

fDate

5/1/1996 12:00:00 AM

Firstpage

947

Lastpage

954

Abstract

This paper presents a hybrid decoupled optimal power flow approach aimed at implementing an optimal power flow program for online applications. By taking advantage of the partial duality principle of mathematical programming theory and the inherent weak coupling characteristics between real and reactive power flows in a power system, the solution to the original optimization problem can be approximated iteratively by solving a real and a reactive subproblem alternately. Two special deliberately customized techniques, one (based on linear programming) and the other (based on quadratic programming), are adopted to solve the two subproblems respectively. This hybrid feature makes the approach very flexible while preserving the efficiency of decoupling. The approach has been successfully implemented for online usage in the Control Center of Northeast China Electric Power Administration

Keywords

control system synthesis; duality (mathematics); load flow; load management; load regulation; mathematical programming; optimal control; power system control; reactive power control; decoupling efficiency; hybrid decoupled approach; linear programming; mathematical programming theory; optimal control design; optimal load flow; partial duality principle; power systems; quadratic programming; reactive power flow; real power flow; weak coupling characteristics; Constraint optimization; Hybrid power systems; Linear programming; Load flow; Mathematical programming; Power system economics; Power systems; Quadratic programming; Reactive power; Samarium;

fLanguage

English

Journal_Title

Power Systems, IEEE Transactions on

Publisher

ieee

ISSN

0885-8950

Type

jour

DOI

10.1109/59.496179

Filename

496179