摘要
针对轨道交通复杂电网的多重故障问题,基于故障区域不存在流出该区域的故障过流的原理,提出了一种新的配电网故障定位算法,可对单一故障、复杂电网多重故障和馈线末端故障迅速做出定位,且在网络拓扑结构发生改变时算法的定位计算过程改变不大。并模拟计算了三电源配电网闭环运行时故障和轨交电网开闭环运行时故障。结果表明,该算法快速、有效、简便易用。
In view of multiple faults of complex subway power system,a new fault location algorithm of power distribution networks is presented on basis of the fact that there is no overcurrent flowing out from a fault section.This algorithm can locate single fault.Meanwhile,its capability of locating multiple faults of complex networks and faults of feeder ends is verified.At the same time,there is little modification in locating calculation procedure when the network topology changes.The simulation,which commits fault locations of both three-source distribution network operating in closed-loop and subway power system operating in open and closed-loop operating,indicates that the proposed algorithm has characteristics of quick calculation speed,effectiveness and implementation easily.
出处
《水电能源科学》
北大核心
2011年第3期172-174,130,共4页
Water Resources and Power
基金
城市轨道交通电力系统运行安全关键技术示范基金资助项目(10DZ1200200)
关键词
配电网络
故障定位
轨道交通电网
矩阵算法
多重故障
power distribution networks
fault location
subway power system
matrix algorithm
multiple faults
