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互感器传输设定脉宽的驱动电路设计分析(中)

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根据文章(上)工作状态分析和IGBT栅极驱动特性的要求,文中对160个IGBT串联开关调制器的驱动电路进行了深入的论述、分析。全面系统地介绍了设定脉宽的电流互感器型驱动器的工程设计方法,给出了实用电路参数的计算公式,提出在密勒电容Cm影响下驱动器工作状态的设计原则,归纳出驱动电压UGE前沿τr分段设计的2种计算方法。最后介绍了2种双极性脉冲驱动器的实用电路、RC加速网络的参数设计方法。

First of all, the paper deeply discusses and analyzes driving circuit composing of 160 IGBT serial switch modulators according to the analysis of working state and requirements of IGBT grid driving characteristics discussed in the paper of the front part. Then, the paper comprehensively and systematically introduces engineering design method of current transformer type driver with set pulse-width, brings forward calculating formula of practical circuit parameters, presents design rules of working state of driver influenced by Miler capacitor Cm, and concludes 2 calculating method of segmental design of driving voltage UGE front edge τr. In the end, the paper introduces practical circuits of 2 kinds of bipolar pulse driver and parameter calculati...

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