Analysis of a flux-coupling type superconductor fault current limiter with pancake coils

被引：4

作者：

Liu, Shizhuo ^{[1
]}

Xia, Dong

Zhang, Zhifeng

Qiu, Qingquan

Zhang, Guomin

机构：

[1] Univ Chinese Acad Sci, Beijing 100190, Peoples R China

来源：

CRYOGENICS | 2017年 / 87卷

关键词：

Superconducting fault current limiter; YBCO; Electromagnetic coupling condition; Force analysis; Impedance calculation;

D O I：

10.1016/j.cryogenics.2017.07.011

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The characteristics of a flux-coupling type superconductor fault current limiter (SFCL) with pancake coils are investigated in this paper. The conventional double-wound non-inductive pancake coil used in AC power systems has an inevitable defect in Voltage Sourced Converter Based High Voltage DC (VSC-HVDC) power systems. Due to its special structure, flashover would occur easily during the fault in high voltage environment. Considering the shortcomings of conventional resistive SFCLs with non-inductive coils, a novel flux-coupling type SFCL with pancake coils is carried out. The module connections of pancake coils are performed. The electromagnetic field and force analysis of the module are contrasted under different parameters. To ensure proper operation of the module, the impedance of the module under representative operating conditions is calculated. Finally, the feasibility of the flux-coupling type SFCL in VSC-HVDC power systems is discussed. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：18 / 23

页数：6

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