Frequency relaying based on instantaneous frequency measurement

被引：52

作者：

Moore, PJ

Allmeling, JH

Johns, AT

机构：

[1] School of Electronic and Electrical Engineering, University of Bath, Bath

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 1996年 / 11卷 / 04期

关键词：

frequency measurement; frequency relaying; digital signal processing;

D O I：

10.1109/61.544251

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 frequency relay capable of under/over frequency and rate of change of frequency measurements has been implemented on a digital signal processor using an instantaneous frequency measuring algorithm. Careful attention to the filtering aspects of the relay is needed under dynamic conditions due to frequency modulation of the input signal. An algorithm for avoiding unwanted relay operation due to impulsive changes in the input signal is presented. Results are shown for simulated tests using computer based relay testing equipment, and for overloads on a micromachine power system simulator.

引用

页码：1737 / 1742

页数：6

共 11 条

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