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基于人工过零的失超保护100 kA真空断路器试验

胡星光 钟积科 李华 李航 吴木泉

胡星光, 钟积科, 李华, 等. 基于人工过零的失超保护100 kA真空断路器试验[J]. 强激光与粒子束, 2022, 34: 116003. doi: 10.11884/HPLPB202234.210552
引用本文: 胡星光, 钟积科, 李华, 等. 基于人工过零的失超保护100 kA真空断路器试验[J]. 强激光与粒子束, 2022, 34: 116003. doi: 10.11884/HPLPB202234.210552
Hu Xingguang, Zhong Jike, Li Hua, et al. Test of 100kA vacuum circuit breaker based on artificial current zero for quench protection[J]. High Power Laser and Particle Beams, 2022, 34: 116003. doi: 10.11884/HPLPB202234.210552
Citation: Hu Xingguang, Zhong Jike, Li Hua, et al. Test of 100kA vacuum circuit breaker based on artificial current zero for quench protection[J]. High Power Laser and Particle Beams, 2022, 34: 116003. doi: 10.11884/HPLPB202234.210552

基于人工过零的失超保护100 kA真空断路器试验

doi: 10.11884/HPLPB202234.210552
基金项目: 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)
详细信息
    作者简介:

    胡星光,xghu@ipp.ac.cn

    通讯作者:

    李 航,lih@szu.edu.cn

  • 中图分类号: TL629

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

  • 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。
  • 图  1  CRAFT超导磁体失超保护系统示意图

    Figure  1.  Schematic diagram of quench protection system for CRAFT superconducting magnet

    图  2  失超保护系统控制逻辑与预期电流波形

    Figure  2.  Control logic and expected current waveform of quench protection system

    图  3  100 kA真空断路器样机

    Figure  3.  Prototype of 100 kA vacuum circuit breaker

    图  4  失超保护系统人工过零电路拓扑

    Figure  4.  Topology of artificial zero crossing circuit for quench protection system

    图  5  基于人工过零的100 kA真空断路器分断测试电路示意图

    Figure  5.  Breaking test circuit of 100 kA vacuum circuit breaker based on artificial zero crossing

    图  6  真空断路器电流分断试验现场

    Figure  6.  Current breaking test site of vacuum circuit breaker

    图  7  真空断路器分断100 kA电流波形

    Figure  7.  Waveform of vacuum circuit breaker breaking 100 kA current

    表  1  真空断路器用灭弧室主要参数(BGH6210)

    Table  1.   Main parameters of interrupter for vacuum circuit breaker (BGH6210)

    rated voltage/kVrated current/Arated short-circuit breaking current/kArated short-time withstand current/kArated short circuit duration/s
    1863001001002
    下载: 导出CSV

    表  2  分断测试电路部件参数

    Table  2.   Component parameters of breaking test circuit

    capacitor of main
    discharge circuit C0/mF
    inductor of main
    discharge circuit L0/μH
    capacitor of artificial zero
    crossing circuit C1/mF
    inductor of artificial zero
    crossing circuit L1/μH
    buffer capacitor
    C2/mF
    energy dissipation
    resistor Rd
    86.42658.86610.125
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-12-08
  • 修回日期:  2022-06-03
  • 录用日期:  2022-06-16
  • 网络出版日期:  2022-06-17
  • 刊出日期:  2022-09-20

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