减小IGBT模块功率损耗的研究和实现

Research and Achieve of Reduce IGBT Modules' Power Loss

研究影响IGBT功率损耗的相关因素,提出了降低IGBT功率损耗的设计方法,并在5kW光伏并网逆变器上实验,设计出了最合适的驱动门极电压、门极电阻和门极电容,使系统工作效率达到最大。

This study mainly researches the correlation factors of IGBT Modules＇ Power Loss ,and raise a basic method to lower the IGBT power loss .With this method ,we make the 5KW Photovoltaic Inverter Module working in the max efficiency state.