摘要
为了提高电动汽车充电桩远程控制能力,提出基于物联网的电动汽车充电桩远程控制方法。构建电动汽车充电桩远程控制的约束参量模型,采用综合频率控制策略进行电动汽车充电桩充电过程中的闭环控制,以充电桩的输出功率和电压等参数为控制自变量,采用模糊参数融合方法,进行电动汽车充电过程中的功率预测,采用物联网远程控制技术进行电动汽车充电桩远程控制中的组网设计,基于功率波动时间相关性测试方法,进行电动汽车充电桩的系统频率响应模型分析,采用AGC电源协同调频的方法,进行电动汽车充电桩的分层递阶远程控制,实现电动汽车充电桩远程控制优化。仿真结果表明,采用该方法进行电动汽车充电桩远程控制的稳定性较好,输出功率较高,提高了电动汽车充电桩的输出增益。
In order to improve the remote control ability of electric vehicle charging pile,a remote control method of electric vehicle charging pile based on Internet of things is proposed.The constraint parameter model of remote control of electric vehicle charging pile is constructed,and the closed loop control of electric vehicle charging pile is carried out by using comprehensive frequency control strategy.The output power and voltage of charging pile are taken as independent variables,fuzzy parameter fusion method is used to predict the power in the charging process of electric vehicle,and the remote control technology of Internet of things is used to design the network in the remote control of electric vehicle charging pile.Based on the time correlation test method of power fluctuation,the system frequency response model of electric vehicle charging pile is analyzed.The hierarchical remote control of electric vehicle charging pile is carried out by using AGC power supply cooperative frequency modulation method,and the remote control optimization of electric vehicle charging pile is realized.The simulation results show that the remote control of electric vehicle charging pile is stable and the output power is high,which improves the output gain of electric vehicle charging pile.
作者
伍福平
王小军
袁泉
范军
李劲
WU Fuping;WANG Xiaojun;YUAN Quan;FAN Jun;LI Jin(State Grid Chongqing Electric Power Company urban power supply branch,Chongqing 400015,China)
出处
《自动化与仪器仪表》
2020年第7期65-68,共4页
Automation & Instrumentation
基金
国网重庆市电力公司市区供电分公司项目资助:智能充换电设施市场调研级规划编制(No.NSCQSQ2018011)。
关键词
物联网
电动汽车
充电桩
远程控制
电源
Internet of things
electric vehicle
charging pile
remote control
power supply
