Design for New Bridge High Temperature Superconducting Fault Current Limiter

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Design for New Bridge High Temperature Superconducting Fault Current Limiter

更新时间：2025-07-09

- Design for New Bridge High Temperature Superconducting Fault Current Limiter
- Vol. 44, Issue 10, Pages: 99-104(2010)
- 作者机构：
  
  西安交通大学电力设备电气绝缘国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM725
- Online First：10 October 2010，
  
  Published：2010
- 稿件说明：
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Design for New Bridge High Temperature Superconducting Fault Current Limiter[J]. 2010, 44(10): 99-104.
DOI：

Design for New Bridge High Temperature Superconducting Fault Current Limiter[J]. 2010, 44(10): 99-104. DOI：

摘要

针对电力系统的短路电流限制问题

研究了一种新型桥式高温超导故障限流器.该限流器主要由两个超导带材绕制的线圈反向并联而成

线路正常工作时

并联线圈的感抗很小

因此对电路无影响

短路故障发生时

其中一个线圈失超使电流降低

对另一线圈影响减弱

限流器表现为一个大阻抗

从而限制短路电流的快速增加.在给定交流电力系统参数的条件下

结合电磁仿真软件

给出了两个超导线圈的具体尺寸.使用PSpice电路仿真软件对限流器的限流性能进行仿真分析

与无限流器时的仿真数据相比

该限流器反应速度快

限流效果明显

尤其第1个短路电流的峰值可限制到无限流器电流值的35.36%

有效减缓了电流的上升速度.最后

讨论了系统电流和线圈参数对限流器限流性能的影响.

Abstract

A new bridge type high temperature superconducting(HTS)fault current limiter(FCL)applied to AC power system is presented

where two coils

made of HTS tapes

serve as the main parts

and they are paralleled and both dotted terminals are unconnected. The FCL exerts no influence on power system in normal operation due to the small HTS resistance and induced voltage of each coil. When short-circuit fault occurs

one of the coils quenches and the current flowing through this coil is reduced to decrease the influence on the induced voltage of the other coil. The design parameters of the FCL for a given AC power system are determined

and the simulation and analysis by PSpice are completed to verify the FCL design. A comparison with the power system without FCL shows the rapid response of the bridge HTS FCL and desired limiting effect. The first peak value of short-circuit current is reduced to 35.36%. The influences of current parameters and coils parameters on current limiting performance are discussed.

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references

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