IGBT逆变焊机的保护与可靠性问题探讨  

Discussion on the Protection and Reliability Design of IGBT Inverter for Arc Welding

作　　者：朱锦洪[1] 史耀武[2] 梁文林[3] 

机构地区：[1]西安交通大学,西安710049 [2]北京工业大学,北京100021 [3]洛阳工学院,河南471039

出　　处：《电焊机》1999年第9期5-9,共5页Electric Welding Machine

摘　　要：针对单端正激电路，就保护与可靠性问题进行了研究。讨论了过电流和过电压保护措施，分析了空载、负载和短路状态下开关过程特点，并提出合理的控制措施和优化设计方法，起到切实的保护作用和改善器件的工作状态，提高可靠性。he protection and reliability design has been investigated in view of the single ended forward inverter.Over-current and over-voltage protection are discussed,the states of open circuit,with-load and short circuit are analyzed,suitable controling measures and optimized design are put forward,which work effectively,improve switching state of devices and enhance reliability.

关 键 词：IGBT 逆变焊机 保护 可靠性 焊接 

分 类 号：TG434[金属学及工艺—焊接]