摘要
介绍了IGBT并联的几种不同形式,着重分析了器件直接并联不均流的影响因素及形成机理,从工程实践的角度在器件电性能参数、结温、驱动以及结构等多个方面给出了对应的设计要点,并通过仿真、双脉冲试验以及功率考核对此进行了验证。结果表明,采用该设计方法的组件具有优良的均流效果。
It introduced several different types of IGBT paralleling and mainly analyzed influence factors and forming mechanism of current unbalancing in direct IGBT paralleling.From the practical engineering point of view,corresponding design key points were raised on several aspects such as device electrical parameters,junction temperature,gate driver and mechanical structure etc.,and they were verified by simulation,double-pulse test and power cycling test.The results show that the power assembly with this design has good current balancing effect.
出处
《大功率变流技术》
2017年第1期18-23,54,共7页
HIGH POWER CONVERTER TECHNOLOGY
关键词
IGBT并联
功能组件
静态均流
动态均流
IGBT paralleling
power assembly
static current balance
dynamic current balance
