基于半桥级联的MMC子模块驱动保护电路设计  

Design of Drive and Protection Circuit for MMC Sub Module Based on Half Bridge Cascade

作　　者：马贞[1] 王玉巧[1] MA Zhen;WANG Yuqiao(Engineering Department,Huanghe Science and Technology University,Zhengzhou 450000,Henan,China)

机构地区：[1]黄河科技学院工学部,河南郑州450000

出　　处：《电气传动》2021年第12期10-15,共6页Electric Drive

基　　金：河南省科技厅科技攻关项目(142102210550)。

摘　　要：对于电力电子装置而言,驱动保护电路的设计可以说是非常重要,其直接关系到电力电子装置能否实现可靠、安全的运行。主要针对子模块为半桥结构的MMC变流器,设计了子模块的驱动保护电路。该电路可以实现对子模块中的IGBT器件进行驱动,并且可以实现故障的快速定位和处理,实现了对IGBT器件的保护,使MMC变流器的工作可靠性得到了大大的提高。最后通过仿真软件PSIM以及实验对所设计的电路进行了验证和分析,结果表明,该电路能够很好地实现对子模块电路的驱动和保护,并且能够满足故障条件下的保护需求。For power electronic devices,the design of drive and protection circuit is very important,which is directly related to whether power electronic devices can achieve reliable and safe operation.The driving and protection circuit of the MMC converter with half bridge structure was designed.The circuit could drive the IGBT device in the sub module,locate and process the fault quickly,protect the IGBT device,and improve the working reliability of MMC converter greatly.At the end,the circuit designed was verified and analyzed by simulation software PSIM and experiments.The results show that the circuit can well realize the drive and protection of sub module circuit,and can meet the protection requirements under fault conditions.

关 键 词：驱动 保护 子模块 故障指示 

分 类 号：TM28[一般工业技术—材料科学与工程]