弧焊逆变器中IGBT的几种保护措施
호한역변기중IGBT적궤충보호조시
On IGBT's protection measures in welding convertor
  • 万方数据
    沈阳工业大学学报 침양공업대학학보
    JOURNAL OF SHENYANG POLYTECHNIC UNIVERSITY
    2000年 6期 471-473 ,共3页

    常云龙%黄崇湘%李娜%马学志%马钰军%刘学钊

    상운룡%황숭상%리나%마학지%마옥군%류학쇠

    弧焊逆变器%IGBT%保护 弧銲逆變器%IGBT%保護
    호한역변기%IGBT%보호
    welding convertor%IGBT%protection
    功率器件的可靠运行是弧焊逆变器设计和制造过程中的一项关键技术，必须对其进行有效地保护。主要介绍了功率器件IGBT的开关特性和保护原理，分析了几种典型的保护措施，并提出了一种新型软开关技术。
    공솔기건적가고운행시호한역변기설계화제조과정중적일항관건기술，필수대기진행유효지보호。주요개소료공솔기건IGBT적개관특성화보호원리，분석료궤충전형적보호조시，병제출료일충신형연개관기술。
    The reliable operation of power dvisce in welding convevtor is the key technology in its design and manufactrie and must be protected effectively.In the paper,the switch characteristic and protection principles of IGBT are described.Several typical protection circuits are analyzed.A new soft switch technology is put forward.
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