Short-circuit Current Characteristics of Distributed Power and Fault Location Method after Distributed Power is Connected

被引：0
|
作者：
Zhao Dan [1 ]
Zhang Xinyu [1 ]
Wang Yang [2 ]
Tian Ye [1 ]
Wang Yanan [1 ]
Lang Yexing [1 ]
机构：
[1] State Grid Liaoning Elect Power Co Ltd, Elect Power Res Inst, 39 Siping St, Shenyang, Peoples R China
[2] State Grid Liaoning Elect Power Co Ltd, 18 Ningbo St, Shenyang, Peoples R China
来源：
2020 5TH ASIA CONFERENCE ON POWER AND ELECTRICAL ENGINEERING (ACPEE 2020) | 2020年
关键词：
fault location; distribution network; abrupt current; matrix algorithm; overcurrent;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
With the increasing penetration of distributed power sources, the fault location of distribution networks after short-circuit faults becomes more complicated. Therefore, it is of great significance to study the fault location methods after the access of distributed power sources. This paper proposes a new fault location algorithm for distribution networks based on the abrupt current direction. The fault location is determined based on the abrupt direction of the short circuit current and the magnitude of the short circuit current. The matrix algorithm is used to locate the fault, and direction of the short circuit current of detection terminal in the network is taken as the research object. Based on the directivity of the distribution network, the continuity and directivity of the fault overcurrent are combined to determine the fault location.
引用
收藏
页码：1782 / 1786
页数：5
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