【摘要】 首先介绍了电动汽车充电系统对电网正常运行的影响及应对措施,然后以12 kW电动汽车充电系统为例,在介绍充电系统拓扑结构示意图的基础上,详细阐述了其高频功率变压器各参数的设计方法,并对所设计的参数应用SABER软件进行仿真。仿真结果表明,依照所提出的设计方法,系统的响应具有良好的稳定性、准确性和快速性,且变换效率大于95%,满足充电系统的性能要求。更多还原

【Abstract】 The influence of charging system of electric vehicle on the normal operation of power grid is introduced as well as the countermeasures firstly.Taking the topologies of the charging system of 12 kW electric vehicle for example,the design method of each parameter of high-frequency power transformer are described in detail,and the designed parameters have been simulated by SABER.The simulation results show that the system response has a good stability,accuracy and quickness according to the proposed design method,and the conversion efficiency is more than 95%,it can meet the performance requirements of the charging system.更多还原