基于人工过零的失超保护100 kA真空断路器试验  

Test of 100kA vacuum circuit breaker based on artificial current zero for quench protection

作　　者：胡星光 钟积科 李华 李航 吴木泉 Hu Xingguang;Zhong Jike;Li Hua;Li Hang;Wu Muquan(College of Physics and Optoelectronic Engineering,Shenzhen University,Shenzhen 518061,China;Advanced Energy Research Center,Shenzhen University,Shenzhen 518060,China;Wuhan Changhai Electric Technology Development Co.,Ltd,Wuhan 430073,China;Institute of Plasma Physics,Hefei Institutes of Physical Science,Chinese Academy of Sciences,Hefei 230031,China)

机构地区：[1]深圳大学物理与光电工程学院,广东深圳518061 [2]深圳大学新能源研究中心,广东深圳518060 [3]武汉长海电气科技开发有限公司,武汉430073 [4]中国科学院合肥物质科学研究院等离子体物理研究所,合肥230031

出　　处：《强激光与粒子束》2022年第11期132-136,共5页High Power Laser and Particle Beams

基　　金：国家重大科技基础设施建设项目(2018-000052-73-01-001228);国家重点研发计划项目(2017YFE0300500);青年科学基金项目(11805134)。

摘　　要：在超导磁体电源系统中,失超保护系统具有重要的地位,能够将磁体能量迅速转移并消耗。聚变堆主机关键系统综合研究设施项目对失超保护系统提出了100 kA直流分断的技术要求,其中采用真空断路器作为转移支路开关。针对CRAFT失超保护系统,设计了串联结构的100 kA直流真空断路器并完成了样机制造。通过现场试验,在人工过零电路的配合下,所设计和制造的真空断路器完成了100 kA直流分断测试。Quench protection system plays an important role in superconducting magnet power supply system,as it can transfer and consume magnet energy rapidly.In the project of Comprehensive Research Facility for Fusion Technology(CRAFT),the technical requirement of breaking 100 kA direct current(DC)is proposed for the quench protection system,in which the vacuum circuit breaker is used as the switch of transfer branch.In this paper,a 100 kA DC vacuum circuit breaker with series structure is designed for the CRAFT project’s quench protection system,and the prototype is manufactured.In field test,with the cooperation of artificial zero-point circuit,the vacuum circuit has completed the 100 kA(DC)breaking test successfully.

关 键 词：失超保护 真空断路器 串联结构 人工过零 直流分断 

分 类 号：TL629[核科学技术—核技术及应用]