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本文阐述了直接用于三相工频380V电源的场效应管半桥逆变式手弧焊机的原理和特点,解决高电压逆变器的技术措施,以及目前国内逆变弧焊电源的发展现状。
This paper describes the principle and characteristics of FET half-bridge inverter hand arc welder which is directly used in 380V power supply of three-phase power frequency to solve the technical measures of high voltage inverter and the current development of inverter arc welding power source in China status quo.