Improving phasor measurements under power system oscillations

被引：64

作者：

Serna, JAD ^{[1
]}

Martin, KE

机构：

[1] Univ Nuevo Leon, San Nicolas De Los Garza 66450, NL, Mexico

[2] Bonneville Power Adm, Vancouver, WA 98666 USA

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2003年 / 18卷 / 01期

关键词：

amplitude demodulation; digital filters; FACTS; feedback control; network resonances; phasor measurement; power system oscillations; quadrature demodulation; windows;

D O I：

10.1109/TPWRS.2002.807033

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A comprehensive description of the phasor estimation process leads to the ideal criteria that a digital filter must fulfill in order to provide more accurate phasor estimates under power system oscillations. The raised cosine filter, widely used in digital transmission, is described and proposed to approach those criteria. Simulation results corroborate an improvement in the performance (accuracy and speed) of these phasor estimates as compared with those obtained with the Fourier-boxcar filter, commonly used in present commercial applications.

引用

页码：160 / 166

页数：7

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