中国电机工程学报2024，Vol.44Issue(12)：4904-4914,中插25,12.DOI:10.13334/j.0258-8013.pcsee.230469
考虑驱动电压与开关时序协同调控的Si/SiC混合器件开关策略
Switching Strategy of Si/SiC Hybrid Switch Considering Coordinated Control of Driving Voltage and Switching Sequence
摘要
Abstract
The hybrid switch composed of Si based insulated gate bipolar transistor(IGBT)and SiC based metal oxide semiconductor field effect transistor(MOSFET)in parallel has been proved to have the high switching frequency and low switching loss characteristics of SiC MOSFET,and the large current-carrying capacity and low cost advantages of Si IGBT.However,the current research on performance improvement of Si/SiC hybrid Switch does not take efficiency and reliability into account,and there is a disadvantage of single control parameter.Based on this,the effects of control parameters such as drive voltage and switching sequence on power loss and electric stress of Si/SiC hybrid Switch under different load current are analyzed in detail.,and the switching strategy of Si/SiC hybrid switch considering coordinated control of driving voltage and switching sequence is proposed.The proposed switching strategy adopts the combination of driving voltage and switching sequence in different current intervals,which not only ensures the reliability of Si/SiC hybrid switch,but also improves their operating efficiency.The double-pulse test experimental platform and the steady-state parameter measurement experimental platform are built to verify the proposed switching strategy.The experimental results show that compared with traditional switching strategies,turn-on switching loss,turn-off switching loss and conduction loss of the Si/SiC hybrid Switch using the proposed switch strategy are reduced by 13%,21%and 32%,respectively.关键词
碳化硅基(SiC)/Si/SiC混合器件/驱动电压/开关时序/开关策略Key words
SiC/Si/SiC hybrid switch/driving voltage/switching sequence/switching strategy分类
信息技术与安全科学引用本文复制引用
肖标,涂春鸣,郭祺,肖凡,龙柳,刘平..考虑驱动电压与开关时序协同调控的Si/SiC混合器件开关策略[J].中国电机工程学报,2024,44(12):4904-4914,中插25,12.基金项目
国家自然科学基金项目(52130704). Project Supported by National Natural Science Foundation of China(52130704). （52130704）
