一种新型单电源IGBT驱动电路

作者：陈振伟，陈辉明,王正仕，刘磊 日期：2007-10-24/span> 浏览：4391 查看PDF文档

一种新型单电源IGBT驱动电路

陈振伟，陈辉明,王正仕，刘磊
（浙江大学 电力电子学系，浙江 杭州 310027）

摘要：通过分析几种常用IGBT驱动模块电路的优缺点，结合IGBT对可靠性驱动的要求，提出了一种新型的IGBT驱动方案。它采用单电源供电，能够产生负栅压，使用脉冲变压器隔离,无需提供单独的浮地电源便可产生两路脉宽可调的驱动脉冲。最后通过实验给出了实验波形。根据实验波形，证明了此方案具有实用性强、简单可靠等优点。
关键词：绝缘门双极晶体管；单电源；驱动电路；波形
中图分类号：TM91文献标识码：A文章编号：1001-4551(2007)09-0033-03

A novel single powersupply IGBT driver circuit
CHEN Zhenwei, CHEN Huiming, WANG Zhengshi, LIU Lei
(Department of Power Electronics, Zhejiang University, Hangzhou 310027, China)
Abstract: By analyzing the advantage and disadvantage of some typical IGBT driver circuits, a novel driver circuit to fulfill the requirements of IGBT drivers was presented. Isolated by a transformer, the new circuit used a single powersupply to generate negative gate voltage. It provided two pulsewidth programmable driving signal without any floating powersupplies. The experiment gives experimental waveform, the experinent results are also given to indicate the advantage such as simplicity and reliability of the new circuit.
Key words: IGBT; single powersupply; drive circuit; waveform
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