电力系统自动化2012，Vol.36Issue(3)：87-91,5.
同杆双回线跨线永久性故障识别方法
Method for Identifying Permanent Cross-line Fault of Double-circuit Transmission Line on the Same Tower
摘要
Abstract
Based on the terminal voltage difference of the opened phases in different circuits,a new method for identifying cross-line permanent fault on double-circuit transmission line is presented.When cross-line fault occurs,recovery voltages of the opened phases are studied and it is found that the terminal voltage difference is much different in the case of permanent fault and transient fault.The amplitude and phase of terminal voltage difference are both used for identification of permanent fault under the situation of different load current flows along the line.Simulation results demonstrate that the proposed method is reliable when applied in double-circuit transmission line on the same tower.关键词
同杆双回线/跨线故障/瞬时性故障/永久性故障/电容耦合电压/电磁耦合电压Key words
double-circuit transmission line on the same tower/cross-line fault/transient fault/permanent fault/capacitive coupling voltage/electromagnetic coupling voltage分类
信息技术与安全科学引用本文复制引用
李博通,李永丽..同杆双回线跨线永久性故障识别方法[J].电力系统自动化,2012,36(3):87-91,5.基金项目
国家重点基础研究发展计划（973计划）资助项目 （）
国家自然科学基金资助项目 （）
