Auto-reclosing adaptive to distribution line non-communication protection

被引：0
|
作者：
Liu, Kun [1 ]
Dong, Xinzhou [1 ]
Shi, Shenxing [1 ]
Wang, Bin [1 ]
机构：
[1] State Key Laboratory of Control and Simulation of Power System and Generation Equipments, Department of Electric Engineering, Tsinghua University, Beijing 100084, China
来源：
Qinghua Daxue Xuebao/Journal of Tsinghua University | 2012年 / 52卷 / 03期
关键词：
Electric power system protection - Outages;
D O I：
暂无
中图分类号：
TM7 [输配电工程、电力网及电力系统];
学科分类号：
080802 ;
摘要：
Auto-reclosing is an effective method to improve power system reliability. However, the distribution line non-communication protection cannot be easily coordinated with the auto-reclosing, so auto-reclosing has never been applied to series of distribution line non-communication protection systems since bad timing may induce long power failures for some loads. This paper presents an auto-reclosing scheme that adapts to the distribution line non-communication protection. Auto-reclosing is not effective in the load side circuit breaker because this would hinder downstream loads from regaining their power supply after the reserve power source automatically reconnects, so auto-reclosing is applied in the source side circuit breaker. This scheme can restore the power supply to all loads after a temperary fault and minimize the power failure time. The electro-magnetic transient program (EMTP) simulations show the effectiveness of the scheme.
引用
收藏
页码：356 / 361
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