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大功率弧焊逆变电源的IGBT保护技术
引用本文:李强. 大功率弧焊逆变电源的IGBT保护技术[J]. 电源世界, 2008, 0(4): 69-72
作者姓名:李强
作者单位:重庆通信学院 (重庆400035)
摘    要:本文通过分析IGBT的结构及安全工作区,解释了在实际应用中可能造成其损坏的原因,并利用硬件电路结合单片机的控制程序对弧焊逆变电源的IGBT采取相应措施进行保护,从而确保了IGBT安全可靠地工作。

关 键 词:IGBT  保护  弧焊

Protection Technique of IGBT in The High Power ArcWelding Inverter
Li Qiang Chongqing Communication Institute. Protection Technique of IGBT in The High Power ArcWelding Inverter[J]. the world of power supply, 2008, 0(4): 69-72
Authors:Li Qiang Chongqing Communication Institute
Abstract:The reasons of IGBT damagedin applicationare explained by analyzing structure and safety work areas of IGBT.The fitting measuresto protection to the IGBT of the arc-welding inverter power are also carried by using the hardware electric circuit and the con- trolling procedures of singlechip.These measures above are proved to be effective.
Keywords:IGBT  protection  the are-welding
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