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

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基于快速斥力開關(guān)的新型故障限流器設(shè)計與仿真研究

來源:電工電氣發(fā)布時間:2016-04-06 09:06 瀏覽次數(shù):13

基于快速斥力開關(guān)的新型故障限流器設(shè)計與仿真研究 

劉紅星,柳慶東 
東南大學(xué) 電氣工程學(xué)院,江蘇 南京 210096 
 

摘 要:針對系統(tǒng)發(fā)生短路故障時迅速產(chǎn)生的短路電流,設(shè)計了一種由新型電磁斥力機構(gòu)、固態(tài)開關(guān)和ZnO 避雷器組成的新型故障限流器。在Ansoft 軟件中搭建了電磁斥力機構(gòu)和永磁機構(gòu)在瞬態(tài)場下的仿真模型,對分、合閘過程中的磁場、位移以及速度隨時間的變化情況進行了仿真分析,并分別對固態(tài)開關(guān)和ZnO 避雷器在故障限流器中的作用以及應(yīng)用條件進行了闡述,證明了此類新型故障限流器能夠在系統(tǒng)中起到很好地限制短路電流的作用。
關(guān)鍵詞:故障限流器;電磁斥力機構(gòu);固態(tài)開關(guān);ZnO 避雷器
中圖分類號:TM471 文獻標(biāo)識碼:A 文章編號: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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