Performance evaluation of a distance relay as applied to a transmission system with UPFC

被引:90
作者
Zhou, Xiaoyao [1 ]
Wang, Haifeng
Aggarwal, R. K.
Beaumont, Phil
机构
[1] Univ Bath, Dept Elect & Elect Engn, Bath BA2 7AY, Avon, England
[2] Toshiba Int Europe Ltd, Durham DH1 3UZ, England
关键词
distance relay; flexible alternating current transmission; (FACTS) controllers; power system protection; UPFC;
D O I
10.1109/TPWRD.2005.861329
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 [电气工程]; 0809 [电子科学与技术];
摘要
This paper presents analytical and simulation results of the application of distance relays for the protection of transmission systems employing flexible alternating current transmission controllers such as the unified power flow controller (UPFC). Firstly a detailed model of the UPFC and its control is proposed and then it is integrated into the transmission system for the purposes of accurately simulating the fault transients. An apparent impedance calculation procedure for a transmission line with UPFC based on the power frequency sequence component is then investigated. The simulation results show the impact of UPFC on the performance of a distance protection relay for different fault conditions; the studies also include the influence of the setting of UPFC control parameters and the operational mode of UPFC.
引用
收藏
页码:1137 / 1147
页数:11
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