摘要
该设计采用碳化硅(SiC)MOSFET并联的方式完成了基于双有源桥(DAB)与三相四线逆变器级联的双向充电系统。主要分析了TO-247封装的开关管在实际使用中寄生电感对驱动与功率回路的影响,并针对该系统的工作特性,采用不同的门极电阻来减小开关损耗以提高系统效率。最终,给出了该系统在不同工作模式下的控制策略,并通过实验验证了不同的控制策略在相应的V2H、汽车并网(V2G)、汽车充电(G2V)模式下的可行性,为采用SiC设计电力电子设备提供了系统的设计方案及优化方法。
A cascade system with dual active bridge(DAB)and three-phase four-wire inverter based in paralleled silicon carbide(SiC)MOSFET is proposed.The influence of parasitic inductance of TO-247 package for diver and power loop is analyzed in practical application.Meanwhile,based on operation characteristics of the system,a method of using different gate resistance to reduce switching loss to improve the system efficiency is proposed.Finally,the control strategy is provided for each operation mode and the feasibility of different control strategies in the corresponding V2H,vehicle to grid(V2G)and grid to vehicle(G2V)modes is verified by the experiments.It provides a system design guide and optimization method for power electronic equipment which is using SiC switches.
作者
王亚亚
姬冠妮
贾亚娟
WANG Ya-ya;JI Guan-ni;JIA Ya-juan(Xi'an Traffic Enginering Institute,Xi'an 710300,China)
出处
《电力电子技术》
CSCD
北大核心
2020年第9期54-57,共4页
Power Electronics
基金
陕西省教育厅科研计划(19JK0502)。
关键词
双向充电器
碳化硅
双有源桥
bidirectional charger
silicon carbide
dual active bridge
