Analysis of Polygonal Distance Protection Relay of Transmission Line Affected by SMES Device

被引:0
|
作者
Yang, Jun [1 ]
Zhang, Wenjia [2 ]
机构
[1] Wuhan Univ, Sch Elect Engn, Wuhan 430072, Peoples R China
[2] Jiangsu Elect Power Co, Econ Res Inst, Nanjing 210008, Jiangsu, Peoples R China
来源
PROCEEDINGS OF THE 26TH INTERNATIONAL SYMPOSIUM ON SUPERCONDUCTIVITY (ISS 2013) | 2014年 / 58卷
关键词
Superconducting Magnetic Energy Storage; Distance relay; PSCAD simulation; Tripping Characteristic;
D O I
10.1016/j.phpro.2014.09.049
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Because of unique advantages in rapid response and independent control of active and reactive power, Superconducting Magnetic Energy Storage (SMES) device will be widely used in the power system. The SMES exchanges power with power grid in the charging and discharging process, so it may affect the performance of protection relay of transmission line, which will lead to mal-operation. Based on SMES model, the tripping characteristic of polygonal distance relay for single-machine-infinite-bus performance of polygonal distance relay with SMES. The simulation results show the measured impedance of polygonal distance relay is changed by SMES, and polygonal distance relay will make mal-operation when faults occur in the boundary of protection zone. Also an improving distance relay is proposed to solve the problem. (C) 2014 Published by Elsevier B.V.
引用
收藏
页码:272 / 276
页数:5
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