断层(地质)
基质(化学分析)
陷入故障
故障指示器
算法
网格
点(几何)
断层模型
计算机科学
功率(物理)
对分法
拓扑(电路)
故障检测与隔离
工程类
数学
电气工程
人工智能
电子线路
几何学
复合材料
地震学
执行机构
地质学
物理
量子力学
材料科学
作者
Hanyu Yan,Xueying Wu,Chun-Lan Lin,Haiyan Liu
标识
DOI:10.1051/e3sconf/202020402010
摘要
The operation mode of distribution network is diversified, and it is difficult to accurately locate the fault point when the fault occurs in the case of multiple power sources and branches. In order to accurately locate the fault point and quickly restore the power supply in the fault-free area, a bisection fault location method based on improved matrix is proposed. According to the feedback information of terminal feeder equipment, the improved matrix algorithm is used to form the grid structure matrix and fault information matrix base on the connection relationship of distribution network. The grid structure matrix reflects the connection relationship between nodes and the power flow direction of the distribution network in normal operation. The fault information matrix is the flow direction of power flowing through terminal equipment when the system fails. According to the grid matrix and fault information matrix, the fault judgment matrix is obtained to judge the fault area. Finally, the dichotomy method is used to judge the fault area and determine the specific fault point. The effectiveness and practicability of the method are verified by an example.
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