Real-Time Coordination of Plug-In Electric Vehicle Charging in Smart Grids to Minimize Power Losses and Improve Voltage Profile
Real-Time Coordination of Plug-In Electric Vehicle Charging in Smart Grids to Minimize Power Losses and Improve Voltage Profile
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DOI：
10.1109/tsg.2011.2159816
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发表时间：
2011-09-01
影响因子：
9.6
通讯作者：
Masoum, Mohammad A. S.
中科院分区：
文献类型：
--
作者：
Deilami, Sara;Masoum, Amir S.;Masoum, Mohammad A. S.
本文提出了一种新的负载管理解决方案，用于协调智能电网系统中多个插电式电动汽车（PEV）的充电。公用事业公司越来越关注在具有多个家用PEV充电活动的配电系统中可能发生的潜在应力、性能退化和过载。不受控制和随机的PEV充电会导致功率损耗增加，过载和电压波动，这些都不利于新兴智能电网的可靠性和安全性。因此，提出并开发了一种实时智能负载管理（RT-SLM）控制策略，用于基于实时（例如，每5分钟）产生能量的总成本加上相关联的电网能量损耗的最小化。该方法结合时变的市场能源价格和PEV业主的优先选择的基础上的充电时间区，降低了发电成本。RT-SLM算法适当地考虑了PEV的随机插入，并利用最大灵敏度选择（MSS）优化。这种方法使PEV能够考虑优先充电时间区尽快开始充电，同时符合网络运行标准（例如损耗、发电限制和电压曲线）。仿真结果表明SLM的性能的修改后的IEEE 23 kV配电系统连接到几个低电压住宅网络填充PEVs。
This paper proposes a novel load management solution for coordinating the charging of multiple plug-in electric vehicles (PEVs) in a smart grid system. Utilities are becoming concerned about the potential stresses, performance degradations and overloads that may occur in distribution systems with multiple domestic PEV charging activities. Uncontrolled and random PEV charging can cause increased power losses, overloads and voltage fluctuations, which are all detrimental to the reliability and security of newly developing smart grids. Therefore, a real-time smart load management (RT-SLM) control strategy is proposed and developed for the coordination of PEV charging based on real-time (e.g., every 5 min) minimization of total cost of generating the energy plus the associated grid energy losses. The approach reduces generation cost by incorporating time-varying market energy prices and PEV owner preferred charging time zones based on priority selection. The RT-SLM algorithm appropriately considers random plug-in of PEVs and utilizes the maximum sensitivities selection (MSS) optimization. This approach enables PEVs to begin charging as soon as possible considering priority-charging time zones while complying with network operation criteria (such as losses, generation limits, and voltage profile). Simulation results are presented to demonstrate the performance of SLM for the modified IEEE 23 kV distribution system connected to several low voltage residential networks populated with PEVs.