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Investigation of Series-Connected IGBTs in Fast High-Voltage Circuit Breaker

机译:快速高压断路器中串联IGBT的研究

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摘要

The ECRH system on J-TEXT tokamak requires fast circuit breakers as switches to cut off the 80 kV power supply within 20 mu s when failure occurs. Series connected IGBTs is a better choice for the breaker than mechanical switch and thyristor in this case. The voltage balance among IGBTs is the main issue that needs investigation. This paper presents a two-stage active gate trigger time compensation method to ensure the voltage balance among IGBTs. The test environment consists of a 1500 V/10 A circuit with 3 IGBTs which are connected in series. The experimental result shows that the method can effectively improve the dynamic-voltage balance and has a certain extent meaning for the solution of voltage balance of series connected IGBTs .
机译:J-TEXT托卡马克上的ECRH系统需要快速断路器作为开关,以便在发生故障时在20 s内切断80 kV电源。在这种情况下,与机械开关和晶闸管相比,串联连接的IGBT是断路器的更好选择。 IGBT之间的电压平衡是需要研究的主要问题。本文提出了一种两级有源栅极触发时间补偿方法,以确保IGBT之间的电压平衡。测试环境由1500 V / 10 A电路和3个IGBT串联而成。实验结果表明,该方法可以有效改善动电压平衡,对解决串联IGBT的电压平衡具有一定的意义。

著录项

  • 来源
    《Journal of Fusion Energy》 |2015年第6期|1406-1410|共5页
  • 作者单位

    State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China|Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China;

    State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China|Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China;

    State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China|Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China;

    State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China|Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China;

    State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China|Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China;

    State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China|Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    IGBT in series connection; Dynamic voltage balance; Two-stage active gate trigger time compensation; Field programmable gate array (FPGA);

    机译:IGBT串联;动态电压平衡;两级有源门触发时间补偿;现场可编程门阵列(FPGA);
  • 入库时间 2022-08-18 00:40:21

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