A summary of the boundary characteristics used in DC system relay protection

被引：0
|
作者：
Qiao L. [1 ]
Tao R. [2 ]
Song G. [2 ]
Wan Q. [3 ]
Zhang Q. [3 ]
机构：
[1] Zhoukou Power Supply Company, State Grid Henan Electric Power Company, Zhoukou
[2] School of Electrical Engineering, Xi’an Jiaotong University, Xi'an
[3] Electric Power Research Institute of State Grid Shaanxi Electric Power Company, Xi'an
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2019年 / 47卷 / 19期
基金：
中国国家自然科学基金;
关键词：
Boundary characteristics; Flexible DC; High voltage direct current; Relay protection;
D O I：
10.19783/j.cnki.pspc.190371
中图分类号：
学科分类号：
摘要：
The high controllability and vulnerability of converters impose strict requirements on the speed of relay protection. Therefore, the whole-line quick-action protection using only single-ended information, that is boundary characteristics based protection, has become a research hotspot in recent years. Firstly, the research progress of DC line relay protection using boundary characteristics is summarized, and the existing boundary characteristics are summarized. On this basis, the active boundary which can generate characteristic signal by active response disturbance and the passive boundary which can only generate characteristic signal by passive response disturbance are defined, and the boundary is classified according to the nature and location of the boundary. Finally, the application scope and application value of each kind of boundary characteristics are analyzed. © 2019, Power System Protection and Control Press. All right reserved.
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页码：179 / 186
页数：7
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