An Improved Time-domain Fault-location Algorithm for HVDC Transmission Line

被引：0
|
作者：
Qiu, Yingdan [1 ]
Li, Haifeng [1 ]
Wu, Jiyang [1 ]
Guo, Yanxun [1 ]
Wang, Gang [1 ]
机构：
[1] South China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R China
来源：
2016 IEEE PES ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) | 2016年
关键词：
Fault-location; HVDC transmission line; time-domain algorithm; maximum voltage difference zone;
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：
Considering the frequency-dependent characteristics of HVDC transmission line, the error of calculated voltage distribution along the line is analyzed. Based on this, a voltage distribution calculation method using mixed line parameters is developed. Then, given that the voltage distributions of non-fault points calculated at both terminals have the largest difference around the fault time, the maximum voltage difference zone of non-fault points is defined to solve the problem that the difference of voltage distribution along the line change with the fault transient process. Thus, an improved time-domain fault-location algorithm is proposed. Finally, a PSCAD/EMTDC simulation model of one real HVDC project was constructed and extensive simulation results have verified the correctness of the proposed algorithm.
引用
收藏
页码：2529 / 2533
页数：5
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