Application of Nonlinear Transformer Theory in HVDC Fault Current Limiter

XIE Fei; QU Lu; JIN Huan

doi:10.13296/j.1001-1609.hva.2019.09.008

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Application of Nonlinear Transformer Theory in HVDC Fault Current Limiter

更新时间：2025-04-26

- Application of Nonlinear Transformer Theory in HVDC Fault Current Limiter
- High VoltageApparatus Vol. 55, Issue 9, Pages: 57-63(2019)
- 作者机构：
  
  1. 顺德职业技术学院智能制造学院
  2. 华南理工大学自动化学院
  3. 清华大学电机工程与应用电子技术系
  4. 中国科学院等离子体物理研究所
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.09.008
  CLC： TM41;TM471
- Published：2019
- 稿件说明：
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[1]谢飞,屈鲁,金环.非线性变压器理论在高压直流故障电流限制器中的应用研究[J].高压电器,2019,55(09):57-63.

XIE Fei, QU Lu, JIN Huan. Application of Nonlinear Transformer Theory in HVDC Fault Current Limiter[J]. High voltageapparatus, 2019, 55(9): 57-63.
[1]谢飞,屈鲁,金环.非线性变压器理论在高压直流故障电流限制器中的应用研究[J].高压电器,2019,55(09):57-63. DOI： 10.13296/j.1001-1609.hva.2019.09.008.

XIE Fei, QU Lu, JIN Huan. Application of Nonlinear Transformer Theory in HVDC Fault Current Limiter[J]. High voltageapparatus, 2019, 55(9): 57-63. DOI： 10.13296/j.1001-1609.hva.2019.09.008.

摘要

高压直流故障电流限制器（fault current limiter

FCL）是先进超导托卡马克装置系统中用于抑制短路电流

保护中性束注入系统的一种类变压器装置。文中从变压器铁心叠片的涡流损耗特性出发

采用分段线性插值的方法对FCL非线性磁滞回线模型进行优化

推导出非线性激磁电阻与电感的并联模型。通过仿真及实验的对比分析

结果表明优化磁滞回线模型仿真波形与试验结果吻合度高

短路电流抑制效果良好。

Abstract

Fault current limiter（FCL）is a sort of quasi-transformer that inhibits short-circuit current and protect neutral beam injector in the system of the experimental advanced superconducting TOKAMAK（EAST）.Starting from the eddy-current loss properties of transformer core disk

this paper adopted the piecewise linear interpolation method to optimize the HVDC FCL non-linear hysteresis loop and derive a nonlinear exciting resistance-inductance parallel model.A comparative analysis of simulation and experimental results indicates the optimized hysteresis loop model’s simulation waveform fits well with the experimental results

and short-circuit current suppression effect is good.

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