Coordination of Superconductive Fault Current Limiters With Zero-Sequence Current Protection of Transmission Lines

被引:17
作者
Li, Bin [1 ]
Li, Chao [1 ]
Guo, Fengrui [1 ]
Xin, Ying [2 ]
Wang, Chuncheng [3 ]
Pang, Xueyue [3 ]
机构
[1] Tianjin Univ, Minist Educ, Key Lab Smart Grid, Tianjin 300072, Peoples R China
[2] Innopower Superconductor Cable Co Ltd, Beijing Econ & Technol Dev Area, Beijing 100176, Peoples R China
[3] Guangdong Elect Power Design Inst, Guangzhou 510600, Guangdong, Peoples R China
基金
中国国家自然科学基金;
关键词
DC excitation; power transmission; saturated iron core; superconductive fault current limiter (SFCL); zero-sequence current protection;
D O I
10.1109/TASC.2014.2340456
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
A 500 kV saturated iron-core superconductive fault current limiter (SISFCL) has been designed to be installed in an extra high voltage (EHV) transmission system in southern China. We carried out studies on compatibility and coordination problems in the application of this kind of device in an EHV network. In this paper, the operational principle of an SISFCL and the protection configuration of transmission lines are briefly introduced. The influence of an SISFCL on the zero-sequence current protection of the grid, taking into consideration both the fault of SISFCL itself and fault of the power lines, is discussed. In order to coordinate the SISFCL and the grid protection scheme, requirements and recommendations are proposed. A model of a 500 kV double-circuit transmission system with SISFCLs is built using Electromagnetic Transient Program including DC (EMTDC) software package. The simulation results are in good agreement with the theoretical analyses.
引用
收藏
页数:5
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