Application simulation of a resistive type superconducting fault current limiter (SFCL) in a transmission and wind power system

Zhu, Jiahui and Zheng, Xiaodong and Qiu, Ming and Zhang, Zhipeng and Li, Jianwei and Yuan, Weijia (2015) Application simulation of a resistive type superconducting fault current limiter (SFCL) in a transmission and wind power system. Energy Procedia, 75. pp. 716-721. ISSN 1876-6102

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    Abstract

    Due to the increased fault-level currents, superconducting fault current limiter (SFCL) is more likely to penetrate into a low voltage and medium voltage transmission network to improve their stability and lower the electric devices capacity. Therefore it is important to model a SFCL in power system to analyze its performance and study its characteristics. In this paper, a simulation model for a resistive type SFCL consisted of YBCO tapes is developed using Matlab/Simulink software. This model will take into account SFCL's internal electromagnetic behavior by coupling its internal resistance and the current density characteristics based on the E-J power law. Finally, the SFCL simulation model is applied in a transmission and a wind farm power grid, respectively. Different fault limiting scenarios are investigated and the results show that the SFCL is effective in limiting fault currents with a maximum of 50% in transmission lines, particularly for wind farm networks.