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Losses in the saturated iron-core superconducting fault current limiter for VSC-HVDC system

Shen, Boyang, Chen, Xiaoyuan, Fu, Lin, Zhang, Mingshun, Jiang, Shan, Sheng, Jie, Wang, Wei ORCID:, Zhai, Yujia, Yuan, Yupeng, Gao, Shuo, Soomro, Wafa Ali, Guo, Youguang, Wang, Sheng ORCID:, Li, Chuanyue ORCID:, Bian, Xingming, Liu, Hongwei, Zheng, Zhongting, Li, Chao ORCID:, Zhang, Runtao, Ozturk, Yavuz, Liu, Yi, Yang, Jiabin and Coombs, Tim 2021. Losses in the saturated iron-core superconducting fault current limiter for VSC-HVDC system. IEEE Transactions on Applied Superconductivity 31 (8) , pp. 1-5. 10.1109/TASC.2021.3089123

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This paper presents the loss analysis on the saturated iron-core superconducting fault current limiter (SISFCL) for a VSC-HVDC transmission system. The numerical model of SISFCL as well as its loss calculation on superconducting parts were carried out by the finite-element method (FEM) using the H -formulation merged into the commercial package COMSOL. The SISFCL model was established for a practical ±10 kV VSC-HVDC system, and the fault current situation was simulated using the PSCAD with a SISFCL. The capability of fault current limiting was verified using the analysis of electromagnetic characteristics, and the corresponding patterns of magnetic field in the iron-core were studied. During the process of fault current limiting, the instantaneous power losses in the superconducting components were studied with the increasing DC bias current. Even in a DC grid system, results proved there were considerable amounts of losses occurred in the superconducting parts, when the SISFCL encountered the fault currents.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: Institute of Electrical and Electronics Engineers
ISSN: 1051-8223
Last Modified: 22 May 2023 01:19

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