The design of infrared telecontrol IGBT converting welder is presented in this paper and the designs of the system, power circuit, infrared system hardware and software are presented in detail also.
介绍IGBT弧焊逆变器的红外遥控的设计，详细介绍系统设计、主电路设计、红外遥控系统硬件设计和红外遥控系统的软件设计。按设计研制出的遥控逆变焊机试验样机。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
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