V2G模式下的电动汽车充电站分层无功调度策略  

Hierarchical Reactive Power Scheduling Strategy for Electric Vehicle Charging Stations in V2G Mode

作　　者：何奎元 于江涛 朱棋 蔡慧 郭倩[1] 卫东 HE Kuiyuan;YU Jiangtao;ZHU Qi;CAI Hui;GUO Qian;WEI Dong(College of Mechanical and Electrical Engineering,China Jiliang University,Hangzhou 310018,Zhejiang,China;Key Laboratory of Intelligent Manufacturing Quality Big Data Tracing and Analysis of Zhejiang Province,China Jiliang University,Hangzhou 310018,Zhejiang,China)

机构地区：[1]中国计量大学机电工程学院,浙江杭州310018 [2]中国计量大学浙江省智能制造质量大数据溯源与应用重点实验室,浙江杭州310018

出　　处：《电气传动》2024年第10期39-49,共11页Electric Drive

基　　金：浙江省基础公益项目(LGG22E070003);浙江省属高校基本科研业务费专项资金资助项目(2021YW42)。

摘　　要：针对大规模电动汽车充电负荷对配电网产生的不利影响,基于车辆到电网(V2G)技术,提出了结合非支配排序遗传算法和全局目标的局部优化算法的V2G无功调度策略。上层架构是基于非支配排序遗传算法的电动车有序充电策略,进行以负荷均方差、充电成本和电压偏移率为目标的用户开始充电时间分布的标准差的寻优,得到满足用户需求的开始充电参数;下层架构是全局目标的局部优化算法,对可提供无功补偿的车辆,进行以电压偏移率为目标的无功补偿量的寻优。最后以IEEE100节点系统为例进行仿真,发现该方法能为充电站的经营者提供更佳的负载峰谷差率、充电成本、电压质量等多种充电方式,分层的调度策略与单层调度策略相比,能更好地保障电网的安全性和经济性。Aiming at the adverse effects of large-scale electric vehicle charging load on the distribution network,based on vehicle to grid(V2G)technology,a V2G reactive dispatching strategy combining the non-dominated sorting genetic algorithm and the local optimization of global objectives algorithm was proposed.The superstructure was based on the ordered charging strategy of electric vehicles based on the non-dominating ranking genetic algorithm,and the standard deviation of the user's starting charging time distribution was optimized with load mean square deviation,charging cost and voltage offset rate as the target,and the starting charging parameters that meet the needs of users were obtained.The sub-architecture was a local optimization algorithm for global targets,which optimizes the amount of reactive power compensation with voltage offset rate as the target for vehicles that can provide reactive power compensation.Finally,taking the IEEE100 node system as an example to simulate,it was found that this method can provide charging station operators with better load peak-valley difference,charging cost,voltage quality and other charging methods,and the hierarchical scheduling strategy can better ensure the safety and economy of the power grid compared with the single-layer scheduling strategy.

关 键 词：车辆到电网 无功补偿 调度架构 电压偏差 充电器 

分 类 号：TM73[电气工程—电力系统及自动化]