浙江电力

2022, v.41;No.319(11) 61-67

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基于可变反应器的故障电流限制器研究
Research on a fault current limiter based on variable reactor

谷裕,程冠錤,卢松,李冬冬
GU Yu,CHENG Guanji,LU Song,LI Dongdong

摘要(Abstract):

随着电网用电负荷的增加,短路电流水平不断提高,过大的短路电流会造成电力设备严重损坏,威胁电力系统安全。为了有效控制短路电流,提出了一种基于可变反应器的故障电流限制器设计方法,该故障电流限制器具有堆芯及可变气隙,能够实现短路电流的快速阻断。在此基础上引入遗传算法对故障电流限制器进行优化设计。采用有限元分析对故障电流限制器进行仿真实验,分析结果表明该故障电流限制器具有较好的故障电流限制效果。
With the increase of the power load in power grid,the short circuit level continues to rise,and excessive short-circuit current will do great damage to power equipment and imperil power systems. In order to control the short-circuit current,a design method for fault current limiter based on variable reactor is proposed. The fault current limiter is equipped with cores and variable air gaps,and thus can immediately switch off short-circuit current.Moreover,a genetic algorithm is introduced to optimize the design of the fault current limiter. Finite element analysis is used for simulation experiment on the fault current limiter. The analysis results show that the fault current limiter can offer high performance.

关键词(KeyWords): 可变反应器;故障电流限制器;遗传算法;堆芯;气隙
variable reactor;fault current limiter;genetic algorithm;core;air gap

Abstract:

Keywords:

基金项目(Foundation): 中国南方电网有限责任公司科技项目(CGYKJXM20200349)

作者(Author): 谷裕,程冠錤,卢松,李冬冬
GU Yu,CHENG Guanji,LU Song,LI Dongdong

DOI: 10.19585/j.zjdl.202211009

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