摘要
行波保护与检测技术由于具有超高速的动作特性且不受故障点过渡电阻、系统振荡等因素的影响,在某些故障分析过程中,将行波分解为前行波和反行波这两种单一方向行波是很有必要的。总结国内外基于单一方向行波的故障判别和状态检测原理,分析了行波分解在各种电压等级输电线路和配电线路的故障启动、故障选线、故障选相、故障测距和故障方向判别等领域应用的必要性,并指出了单一方向行波的应用前景。
It is necessary to decompose travelling wave for forward wave and back wave which is a kind of single direction travelling wave during the period of failure analysis because that travelling wave protection and detection technology are pro- vided with characteristic of ultra-high speed and will not be affected by transition resistance of the fault point or system oscil- lation. It concludes failure discrimination and state detection principles based on single direction travelling wave at home and abroad, analyzes necessity of application of travelling wave decomposition in fields like failure start, line selection for fault, phase selection for fault, fault location and fault direction discrimination and at last it points out the application prospect of single direction travelling wave.
出处
《广东电力》
2012年第10期22-27,32,共7页
Guangdong Electric Power
基金
国家自然科学基金资助项目(50937003
51007045
51120175001)
北京市自然科学基金资助项目(3102017)
关键词
行波保护
故障检测
方向行波
前行波
反行波
travelling wave protection
failure detection
direction travelling wave
forward wave
back wave
