An application of Prony methods in PSS design for multimachine systems

Author

Trudnowski, D.J. ; Smith, J.R. ; Short, T.A. ; Pierre, D.A.

Author_Institution

Dept. of Electr. Eng., Montana State Univ., Bozeman, MT, USA

Volume

6

Issue

1

fYear

1991

fDate

2/1/1991 12:00:00 AM

Firstpage

118

Lastpage

126

Abstract

A method for obtaining transfer functions for power system stabilizer (PSS) design is presented. It results in an accurate reduced-order model of a generator connected to a large system. The method is based on Prony signal analysis and incorporates both local and interarea electromechanical oscillatory modes. Two PSS units are designed using the proposed method along with root-locus and sequential decentralized control techniques. The design procedure and results are illustrated using computer simulation of a 27 bus system with 16 generators. The test system was developed to exhibit interarea modes that are comparable to the western North American power system. This provides a new perspective on damping interarea oscillatory modes using PSS units

Keywords

control system synthesis; damping; decentralised control; digital simulation; oscillations; power system control; power systems; stability; transfer functions; Prony methods; USA; computer simulation; control system synthesis; damping; electromechanical oscillatory modes; multimachine systems; power system stabilizer; reduced-order model; root-locus; sequential decentralized control; signal analysis; transfer functions; Computer simulation; Design methodology; Distributed control; Power system analysis computing; Power system modeling; Power system simulation; Reduced order systems; Signal analysis; System testing; Transfer functions;

fLanguage

English

Journal_Title

Power Systems, IEEE Transactions on

Publisher

ieee

ISSN

0885-8950

Type

jour

DOI

10.1109/59.131054

Filename

131054