摘  要：本文介绍了基于IGCT中压大功率三电平中点箝位变流器技术特点，重点介绍三电平大功率传动系统及其在薄带连铸试验轧机项目中的应用；最后阐述三电平同步机传动调试过程与方法，并给出调试过程中的实验波形。

关键词：IGCT；三电平；中压变频器

Abstract: This paper introduces the three level neutral-point clamp technique characteristics of the converter based on IGCT medium-voltage high-power, focuses on three-level high-power transmission system and its application in thin-strip casting test rolling mill project Finally, it describes three-level synchronous motor driving of debuggi