Phase measurement of distorted periodic signals based on nonsynchronous digital filtering

被引：1

作者：

Djokic, B ^{[1
]}

So, E ^{[1
]}

机构：

[1] Natl Res Council Canada, Inst Natl Measurement Stand, Ottawa, ON K1A 0R6, Canada

来源：

IMTC/2000: PROCEEDINGS OF THE 17TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE: SMART CONNECTIVITY: INTEGRATING MEASUREMENT AND CONTROL | 2000年

关键词：

phase measurement; distorted waveforms; harmonics; digital filters; dissipation factor;

D O I：

10.1109/IMTC.2000.846909

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：

Measurement of the phase angle between fundamental components of distorted periodic signals at power frequencies is described in the paper. It is based on a nonsynchronous multirate digital filtering algorithm, which is applied at the voltage and/or current signals to be measured. The digital filters implemented are designed to suppress the higher harmonics and ensure the accuracy of measurement. The measurement method is insensitive to frequency variations in a wide frequency band around the nominal frequency. A verification of the method has been performed by simulations and by measurements. The results of extensive performance evaluation are reported.

引用

页码：469 / 472

页数：4

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