直流充电技术研究及应用探索  

DC Charging Technology Research and Application Exploration

作　　者：刘丽莉 包洪印 陈康 王乾翔 康君 Liu Li-li;Bao Hong-yin;Chen Kang;Wang Qian-xiang;Kang Jun(China State Shipbuilding Corporation Hai Wei(Xin Jiang)New Energy Co.,Ltd,Urumuqi 830000;Xin Jiang Hai Wei Xin Neng Power Engineering Co.,Ltd,Urumuqi 830000)

机构地区：[1]中船海为(新疆)新能源有限公司,新疆乌鲁木齐830000 [2]新疆海为新能电力工程有限公司,新疆乌鲁木齐830000

出　　处：《内燃机与配件》2023年第17期109-111,共3页Internal Combustion Engine & Parts

摘　　要：现阶段中国新能源汽车充电存在基础设施不足、充电慢等问题,本文根据“十四五”充电设施发展规划,开展直流充电技术研究。首先分析直流充电桩的工作原理,然后根据功率和能量流动需求确定直流充电模块的AC/DC、DC/AC变换电路,并且提出光储充电站的应用架构。最后通过仿真,验证了直流充电模块的有效性,且提出的光储充一体化系统可促进可再生能源就地消纳。At present,there are some problems in the charging of new energy vehicles,such as insufficient infrastructure,slow charging,etc..In this paper,according to the 14th five-year plan,DC charging technology research is carried out.Firstly,the working principle of DC charging pile was analyzed,then AC/DC and DC/AC conversion circuits of DC charging module were determined according to the power and energy flow requirements.And the integrated photovoltaic storage and charging system was proposed.Finally,the validity of the DC charging module was verified by simulation,and the integrated photovoltaic storage and charging system could promote the absorption of renewable energy.

关 键 词：直流充电桩 直流充电技术 变换电路 光储充 直流母线电压 

分 类 号：U469.722[机械工程—车辆工程]