多目标分层分区的电动汽车有序充放电优化控制Coordinated Charging and Discharging of Plug-in Electric Vehicles Based on Multi-Layered and Multi-Regional Optimization
李敏;苏小林;阎晓霞;张艳娟;吴富杰;李丹丹;刘孝杰;
摘要(Abstract):
为解决住宅小区、充电站内充电设施无法同时为多辆电动汽车最优充电的问题,以低压直流多接口充电设施为优化研究对象,提出多目标、分层分区的有序充电优化控制模型,使得充电设施运营商的收益最高,同时配电网的网损最低,电压降落始终未越限,并能在配电网电压降落越限时紧急放电,最大限度减少电动汽车负荷对其他负荷的影响。在此基础上,采用序列二次规划算法和动态规划算法进行求解,通过IEEE 34节点算例分析验证了该模型和算法的有效性。仿真结果表明:有序充电控制策略的引入在减少网损和电压降落的同时,使得充电运营商的经济效益有较大增加,较好地满足了多方面的最优需求。分层优化增强了优化控制方案的实时性、可操作性、可扩展性,使之更易于工程应用。
关键词(KeyWords): 电动汽车;低压直流多接口充电设施;有序充放电;序列二次规划;动态规划;分层分区优化;V2G
基金项目(Foundation):
作者(Author): 李敏;苏小林;阎晓霞;张艳娟;吴富杰;李丹丹;刘孝杰;
Email:
DOI: 10.13335/j.1000-3673.pst.2015.12.033
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