摘要
根据近年来焊接电源的研究热点,针对降低焊接电源谐波对电网污染的解决方法,从IGBT逆变电源和PWM脉宽调制技术、三相功率因数校正、带相间变压器的多相焊接电源以及电路仿真研究等方面,阐述了降低焊接电源谐波对电网污染的研究状况,指出提高焊接电源的效率、降低焊接电源对电网的污染以及电磁污染,开发智能型的绿色焊接电源是今后焊接电源发展的一个方向。
This paper presents the recent research situation of reducing harmonic contamination with welding power source,including:1)research focus of welding power supply;2)methods to reduce harmonic contamination(IGBT invert welding power supply,PWM modulation technique,PFC of three phase system etc);3)circuit simulation.A conclusion can be got that elevating the efficiency,reducing harmonic contamination and developing intelligent green welding power source have been one trend of the welding power supplys development.
出处
《电焊机》
2005年第3期13-15,30,共4页
Electric Welding Machine
关键词
焊接电源
谐波
电网污染
welding power source
harmonic
power factor correction(PFC)
