傅里叶算法暂态特性以及微机保护的动作时间  

The Transient Characteristics of Fourier Algorithm and Action Time of Microcomputer Protection

作　　者：刘华龙 阮宜菁 LIU Hualong;RUAN Yijing(Dalian Shipbuilding Industry Corporation,Liaoning Dalian 116000,China)

机构地区：[1]大连船舶重工集团有限公司,辽宁大连116000

出　　处：《机电设备》2020年第6期75-78,共4页Mechanical and Electrical Equipment

摘　　要：文章主要分析傅里叶算法的暂态特性及其与微机保护动作时间之间的关系。讨论2种傅里叶算法的计算式并评述其特性,详细分析了由傅里叶算法所影响的过流继电器的动作时间与返回时间并给出结论,对提高微机保护的动作特性具有重要的研究意义。The transient characteristics of the Fourier algorithm and its relationship with the operating time of the microcomputer protection are mainly analyzed.The calculation formulas of the 2 Fourier algorithms are discussed and their characteristics are reviewed.The action time and return time of the over current relays affected by the Fourier algorithm are analyzed in detail and the conclusion is given.It has important research significance for improving the action characteristics of microcomputer protection.

关 键 词：傅里叶算法 暂态特性 微机保护 

分 类 号：U665[交通运输工程—船舶及航道工程]