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

机译：用煎饼线圈的磁通耦合型超导体故障电流限制器分析

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Highlights?To increase the capacity of a single module for SFCL, the flux-coupling type pancake coil is carried out and the connection type is discussed.?Considering about the security, reliability and maintainability of SFCL, a mesh topology is presented and the advantages are discussed.?An electromagnetic-force coupling simulation model of the pancake coil with YBCO wire is built to analyze the magnetic and force distribution of the SFCL.?The working states of SFCL during the fault is analyze through the impedance calculation of the SFCL. The results show that the novel SFCL has good characteristics of distributing current averagely.AbstractThe 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.]]>
机译：<！[cdata [ 亮点 ？ 增加SFCL的单个模块的容量，进行通量耦合型煎饼线圈和讨论连接类型。 ？ 考虑SFCL的安全性，可靠性和可维护性，提出了网状拓扑，讨论了优势。 ？ 构建了与YBCO线的煎饼线圈的电磁力耦合仿真模型分析SFCL的磁力分布。 ？ 通过SFCL的阻抗计算分析故障期间SFCL的工作状态。结果表明，新颖的SFCL平均分配流程的特点。 抽象 使用煎饼线圈的磁通耦合型超导体故障限流器（SFCL）的特性进行了研究这张纸。在AC电力系统中使用的传统双缠绕的非感应煎饼线圈在基于电压的高压DC（VSC-HVDC）电力系统中具有不可避免的缺陷。由于其特殊的结构，在高压环境中的故障​​期间，闪络将很容易地发生。考虑到具有非电感线圈的常规电阻SFCL的缺点，进行了一种具有煎饼线圈的新型通量耦合型SFCL。执行煎饼线圈的模块连接。模块的电磁场和力分析在不同参数下形成对比。为确保模块正常运行，计算模块在代表性操作条件下的阻抗。最后，讨论了VSC-HVDC电力系统中的磁通耦合型SFCL的可行性。 ]]>

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