逆变式电阻焊机的新发展—IGBT逆变式点焊机

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介绍了采用绝缘门极双极性晶体管(IGBT)作开关元件的逆变式点焊机的工作原理及特点。研究表明:IGBT逆变式点焊机结构及电路简单,可靠性高功率因素及效率高,有很大发展前途。
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