摘要
针对小电流接地系统单相接地故障选线的研究现状,提出基于非故障相暂态电流的单相接地故障选线的方法。该方法利用小波变换分析非故障相暂态电流,通过对暂态电流模极大值数值的比较实现故障线路的选择。ATP仿真分析的结果表明,该方法准确可靠。
The single-phase-grouding fault in the 6.35kv distribution network is studied. The detecting method for the earthed fault location is discussed. According to the condition of faulted line selection, a new method using the transient current component of non-fault phase to seiect the faulted line is suggested The wavelet analysis is used it analyze the transient current component of non-fault phase and to select the faulted llne The ATP simulation result Verifies the reliability of the proposed method.
出处
《华北电力大学学报（自然科学版）》
CAS
北大核心
2006年第2期45-49,共5页
Journal of North China Electric Power University：Natural Science Edition
基金
电力系统保护与动态安全监控教育部重点实验室资助项目(1204)
关键词
配电网
故障选线
非故障相暂态电流
小波变换
ATP仿真
distribution networks
line selection
transient current component of non-fault phase
wavelet transform
ATP simulation
