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分析了ＩＧＢＴ弧焊逆变器的功率开关器件保护、主电路和控制电路的抗干扰、主变压器和电抗器绕制工艺以及系统温升等问题。探讨了提高弧焊逆变器可靠性的关键技术
The protection of power switching devices in IGBT arc welding inverter, the anti-interference of main circuit and control circuit, the winding process of main transformer and reactor and the temperature rise of the system are analyzed. The key technologies to improve the reliability of arc welding inverter are discussed