Adaptive reclosing of distribution lines based on primary and secondary device coordination

被引：0
|
作者：
Liu J. [1 ,2 ]
Zhang Z. [1 ,2 ]
Rui J. [3 ]
Meng L. [4 ]
Yan Y. [5 ]
Yan F. [1 ]
机构：
[1] School of Electrical Engineering, Xi'an University of Technology, Xi'an
[2] State Grid Shaanxi Electric Power Research Institute, Xi'an
[3] Anhui One-sky Electric Technology Company Limited, Hefei
[4] XJ Group Corporation, Xuchang
[5] Anhui Hekai Electric Technology Company Limited, Hefei
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2020年 / 48卷 / 22期
基金：
中国国家自然科学基金;
关键词：
Adaptive reclosing; Capacitor discharge trial; Carrier wave trial; Current limiting trial; Distribution lines; Distribution networks; Pulse trial;
D O I：
10.19783/j.cnki.pspc.202084
中图分类号：
学科分类号：
摘要：
Potential multiple short-circuit surges caused by the conventional reclosing of distribution lines do not distinguish permanent from transient faults before reclosing. Thus an adaptive reclosing technology of distribution lines based on primary and secondary device coordination is proposed. Four typical adaptive reclosing methods of distribution lines based on primary and secondary device coordination are introduced. They are the current limiting trial, capacitor discharge trial, pulse trial and carrier wave trial methods. The principle and characteristics of series and parallel current limiters of the current limiting trial method are discussed and a typical impedance of the current limiter is provided. The circuit discharge characteristics of the capacitor discharge trial method and choice principle of resistance and capacitance parameters are analyzed theoretically and the typical parameters are given. It is pointed out that the key technique of the pulse trial method is the opening speed and action dispersion degree of the split phase breaker. The principle of an impedance parameter identification method is proposed. The choice principle of the frequency and voltage test signal and their typical values are given for the carrier wave trial method. © 2020, Power System Protection and Control Press. All right reserved.
引用
收藏
页码：26 / 32
页数：6
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