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

页码：2529 / 2533

页数：5

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