基于协同充电技术的直流充电桩控制方法研究Research on Control Method of DC Charging Pile Based on Coordinated Charging Technology
金正军,冯涛,宋书轩,申鹂,施禾青
JIN Zhengjun,FENG Tao,SONG Shuxuan,SHEN Li,SHI Heqing
摘要(Abstract)：
提出基于模糊控制算法的直流充电桩协同充电技术。在保证用户需求的前提下,实时读取电池的荷电状态,通过模糊算法输入参数调节电池的充电速率,结合电池特性设计充电电压与电流的上下阈值,加入控制算法保证充电过程中电池不会出现过放和过充现象,实现电动汽车-车桩-用户三者的信息共享。仿真结果证实了协同充电方法的有效性,提高了电动汽车的充电效率,节约了电动汽车的充电时间,延长了汽车电池的使用年限,实现了电能的有效利用。
The paper proposes a coordinated charging technology for DC charging pile based on fuzzy control algorithm. The SOC of battery is read in real time with a prerequisite of meeting the users' demand. The parameters are input to adjust the charging rate through fuzzy algorithm, and upper and lower threshold values of charging voltage and current are designed by battery characteristics. The control algorithm is applied to ensure that there is neither exceeding charging nor discharging in the charging process to achieve information sharing among electric vehicles, charging piles and users. The simulation verifies the coordinated charging method, which improves EV charging efficiency, saves charging time, prolongs the service life of the batteries and effectively utilizes electric power.
关键词(KeyWords)：
协同充电;模糊控制;用户需求;SOC
coordinated charging;fuzzy control;users′ demand;SOC
基金项目(Foundation): 国网浙江省电力有限公司杭州供电公司科技项目（5211HZ1800UM）
作者(Author):
金正军,冯涛,宋书轩,申鹂,施禾青
JIN Zhengjun,FENG Tao,SONG Shuxuan,SHEN Li,SHI Heqing
DOI: 10.19585/j.zjdl.202101012
参考文献(References)：
- [1]CHEN T,XU R L,LIU Y X,et al. Design of flexible and ordered charging system for electric vehicle in intelligent community[C]//2011 Asia-pacific Power and Energy Engineering Conference,March 25-28,2011,Wuhan,China.New York:IEEE,2011.
- [2]覃见吉.一种分体式多枪柔性充电堆直流充电机的设计与应用研究[J].机电产品开发与创新，2019,32(6):2-3.
- [3]曹阳，杨桃月，邱望标.蓄电池组智能均充装置的设计[J].装备制造技术，2016(6):55-56.
- [4]姚伟锋，赵俊华，文福拴，等.基于双层优化的电动汽车充放电调度策略[J].电力系统自动化，2012,36(11):15-20.
- [5]孙益源，邱卫东，孙志忠，等.具有多种情景模式的直流充电桩充电管理系统的控制策略：CN201710369882.2[P].2017-09-25.
- [6]西安特锐德智能充电科技有限公司.一种电动汽车柔性充电方法及充电机：CN105207302A[P].2015-12-30.
- [7]谭云强.动力电池SOC算法及其信息建模研究[D].湘潭大学，2012.
- [8]张良，严正，冯冬涵，等.采用两阶段优化模型的电动汽车充电站内有序充电策略[J].电网技术，2014,38(4):967-973.
- [9]许参，胡晨.考虑电池放电特性的动态电压调节策略研究[J].中国工程科学，2008,10(2):79-85.
- [10]LEE C C.Fuzzy logic in control systems:fuzzy logic controller[J].IEEE Transactions on Systems,Man,and Cybernetics.1990,20(2):404-418.
- [11]刘士荣.工业控制计算机系统及其应用[M].北京：机械工业出版社，2008.
- [12]TEIXEIRA M C M,ZAK S H.Stabilizing controller design for uncertain nonlinear systems using fuzzy models[J].IEEE Transactions on Fuzzy Systems.1999,7(2):133-142.
- [13]张军，韩华春，原增泉.基于两级充电管理系统的电动汽车智能充电控制系统研究[J].电力工程技术，2017,29(5):251-255.