车-桩-网交融技术研究现状及展望

Research Status and Prospects of Fusion Technology of Vehicle-Charging Pile-Power Grid

电动汽车-充电桩-电网交互和融合发展,是提升电网灵活性与稳定性、促进能源清洁低碳转型、培育电动汽车产业发展新动能的重要途径,国内外学者就电动汽车-充电桩-电网交互与融合技术进行了广泛而深入的研究。本文对相关研究进行了系统性梳理和研究,首先介绍电动汽车-充电桩-电网交融技术研究背景;其次从无序充电、有序充电到V2X三个阶段介绍了电动汽车-充电桩-电网交融技术研究现状;然后从物理层、平台层和融合层三个层次对电动汽车-充电桩-电网交融架构进行归纳,并分析了电动汽车和充电桩联网时所要考虑的传感和通信技术,对目前电动汽车调度技术关键问题进行了剖析,并探讨实现电动汽车-充电桩-电网交融架构的多方灵活交易方式;随后,对典型电动汽车-充电桩-电网交融应用实践做了介绍。最后对电动汽车-充电桩-电网三网交融技术研究进行了展望,旨在为电动汽车-充电桩-电网三网交融技术研究与实施提供参考。

The interactive and integrated development of electric vehicles(EVs),charging piles(CPs),and power grid can improve grid flexibility and stability,promote energy-clean and low-carbon transformation,and foster new drivers for developing the EVs industry.Scholars at home and abroad have conducted extensive and in-depth research on EVs-CPs-power grid interactive and integration technology.This paper systematically reviews the current situation and progress of EVs-CPs power grid interactive and integration technology.First,this paper investigates the research background and then summarizes the status of EVs-CPs-power grid interactive and integration technology from disorder-charging and order-charging to V2X.Second,the integration architecture of the EVs-CPs-power grid is summarized from the physical layer,platform layer,and fusion layer.This paper also analyzes the sensing and communication technologies when EVs and CPs are connected.The key issues of the EVs dispatching technology are discussed,and the flexible multi-party transactions of EVs-CPs-power grid interactive and integration technology are explored.After that,the typical application practice of EVs-CPs-power grid integration is introduced.Finally,the research on the EVs-CPs-power grid integration is prospected to provide a reference for the research and implementation of integrating EVs-CPs-power grid.