Stability analysis of radial power systems: a passivity approach

Author

Lechevin, N. ; Sicard, P. ; Yao, Z.

Author_Institution

Dept. of Electr. & Comput. Eng., Univ. du Quebec a Trois-Rivieres, Que., Canada

Volume

151

Issue

3

fYear

2004

fDate

5/23/2004 12:00:00 AM

Firstpage

264

Lastpage

270

Abstract

A passivity approach is presented that acts as a framework for the analysis of the stability of power systems and allows the derivation of controllers. A radial power system is decomposed according to the component oriented modelling technique (COMT). The whole system is thus modelled as a feedback subsystem decomposition suitable for the application of the passivity approach. Under the assumption of a passive or a passified load, L/sub 2/-stability properties are obtained when disturbances occur in the network. Once disturbances are cleared an asymptotic stability property is derived. In the case of non-passivity of certain loads or series elements located in the network and when an energy-like constraint is satisfied, ultimate boundedness properties are obtained with a quasi-passivity concept.

Keywords

asymptotic stability; feedback; fuzzy logic; power system control; power system stability; L/sub 2/-stability; asymptotic stability; component oriented modelling technique; controller derivation; feedback subsystem decomposition; passified load; passive load; passivity approach; power system stability analysis; radial power systems; stability analysis; ultimate boundedness properties;

fLanguage

English

Journal_Title

Control Theory and Applications, IEE Proceedings

Publisher

iet

ISSN

1350-2379

Type

jour

DOI

10.1049/ip-cta:20040336

Filename

1309316