大功率IGBT驱动过流保护电路研究

Study on Drive and Over-current Protection Circuit of High-power IGBT

针对IGBT驱动过流保护问题,提出了分离元件驱动过流保护电路和模块驱动过流保护电路.文中给出了分离元件驱动过流保护电路和模块驱动过流保护电路,并详细分析了两者的工作原理,指出了它们之间的优缺点.

According to the problem of drive and overcurrent protection circuit of IGBT, the separate component drive and overcurrent protection circuit and module drive and overcurrent protection circuit are pointed out. The two circuits are put forward, and then their principles of word are analysed in the paper, and the advantages and disadvantages are given out.