风电变流器中IGBT短路保护的研究  

Research on IGBT Short-circuit Protection of Wind Power Converter

作　　者：张青杰[1] 田安民[1] 朱英英[1] 马林[2] 

机构地区：[1]国电南瑞科技股份有限公司,江苏南京210061 [2]河南省电力公司驻马店供电公司,河南驻马店463000

出　　处：《电力电子技术》2013年第12期72-74,共3页Power Electronics

摘　　要：简述了风电变流器中绝缘栅双极型晶体管(IGBT)功率器件的短路保护方法,介绍了IGBT短路时的工作状态、短路保护电路的原理及其电压门槛值和响应时间的调整方法。通过短路实验,证明了短路保护电路的快速性和可靠性。该驱动保护电路广泛应用于某风电变流器装置,经过了大量实际工程应用的验证。The method of short-circuit protection of IGBT power devices that are applied into wind power converter is described.The working state under short circuit conditions of IGBT, the short-circuit protection circuit schematic and the adjustment method of short-circuit protection circuit＇s threshold voltage and response time are presented.Through the short-circuit experiment,the rapidity and reliability of the short-circuit protection circuit are proved.The driver protection circuit is widely applied into the converter devices of wind power converter and is proved in a large num- ber of practical engineering applications.

关 键 词：风电变流器 绝缘栅双极型晶体管 短路保护 响应时间 

分 类 号：TM46[电气工程—电器]