Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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基于快速斥力开关的新型故障限流器设计与仿真研究

来源:电工电气发布时间:2016-04-06 09:06 浏览次数:11

基于快速斥力开关的新型故障限流器设计与仿真研究 

刘红星,柳庆东 
东南大学 电气工程学院,江苏 南京 210096 
 

摘 要:针对系统发生短路故障时迅速产生的短路电流,设计了一种由新型电磁斥力机构、固态开关和ZnO 避雷器组成的新型故障限流器。在Ansoft 软件中搭建了电磁斥力机构和永磁机构在瞬态场下的仿真模型,对分、合闸过程中的磁场、位移以及速度随时间的变化情况进行了仿真分析,并分别对固态开关和ZnO 避雷器在故障限流器中的作用以及应用条件进行了阐述,证明了此类新型故障限流器能够在系统中起到很好地限制短路电流的作用。
关键词:故障限流器;电磁斥力机构;固态开关;ZnO 避雷器
中图分类号:TM471 文献标识码:A 文章编号:1007-3175(2014)02-0004-04


Design and Simulation Study of New Type Fault Current Limiter Based on High-Speed Electromagnetic Repulsion Switch 

LIU Hong-xing, LIU Qing-dong 
School of Electrical Engineering, Southeast University, Nanjing 210096, China 
 

Abstract: Aiming at short circuit current generated quickly on system taking place with short circuit fault, this paper designed a new type of fault current limiter consisting of electromagnetic repulsion mechanism, solid switches and ZnO arresters, and established the simulation mode of electromagnetic repulsion mechanism and permanent magnetic mechanism under instant field in Ansoft software, carrying out simulation study for magnetic field, displacement and change situation of speed following time in making and breaking processes. Description was respectively made to functions and application conditions of solid switches and ZnO arresters in fault current limiter, which proves that this kind of new type fault current limiter can play a good function to limit short circuit in the system.
           Key words: fault current limiter; electromagnetic repulsion mechanism; solid switch; ZnO arrester


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