Adaptive Taylor-Fourier synchrophasor estimation for fast response to changing conditions

Author

Castello, Paolo ; Lixia, Marco ; Muscas, Carlo ; Pegoraro, Paolo Attilio

Author_Institution

Dept. of Electr. & Electron. Eng., Univ. of Cagliari, Cagliari, Italy

fYear

2012

fDate

13-16 May 2012

Firstpage

294

Lastpage

299

Abstract

This paper proposes a modified version of the synchrophasor estimation algorithm which uses the non-orthogonal transform defined as a Taylor-Fourier Transform (TFT) and which is based on a Weighted Least Squares (WLS) approximation respect to a second order of Taylor model. The aim of the proposed changes is to improve the performance of the algorithm in presence of fast transient events. Several tests are presented, in different test conditions, to show the improvements achievable with the proposed method.

Keywords

Fourier transforms; least squares approximations; phasor measurement; transient response; TFT; Taylor model; WLS approximation; adaptive Taylor-Fourier synchrophasor estimation; fast response; fast transient events; nonorthogonal transform; weighted least squares approximation; Discrete Fourier transforms; Estimation; Frequency modulation; Heuristic algorithms; Phasor measurement units; Time factors; Transient analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Instrumentation and Measurement Technology Conference (I2MTC), 2012 IEEE International

Conference_Location

Graz

ISSN

1091-5281

Print_ISBN

978-1-4577-1773-4

Type

conf

DOI

10.1109/I2MTC.2012.6229532

Filename

6229532