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Coordinated Charging of Plug-In Hybrid Electric Vehicles to Minimize Distribution System Losses

机译：插电式混合动力汽车的协调充电，可最大程度地减少配电系统的损耗

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摘要

As the number of plug-in hybrid vehicles (PHEVs) increases, so might the impacts on the power system performance, such as overloading, reduced efficiency, power quality, and voltage regulation particularly at the distribution level. Coordinated charging of PHEVs is a possible solution to these problems. In this work, the relationship between feeder losses, load factor, and load variance is explored in the context of coordinated PHEV charging. From these relationships, three optimal charging algorithms are developed which minimize the impacts of PHEV charging on the connected distribution system. The application of the algorithms to two test systems verifies these relationships approximately hold independent of system topology. They also show the additional benefits of reduced computation time and problem convexity when using load factor or load variance as the objective function rather than system losses. This is important for real-time dispatching of PHEVs.
机译：随着插电式混合动力汽车（PHEV）数量的增加，对电力系统性能的影响也可能随之增加，例如过载，效率降低，电能质量和电压调节，尤其是在配电级别。 PHEV的协调充电是解决这些问题的可能方法。在这项工作中，在协调PHEV充电的背景下探索了馈线损耗，负载系数和负载变化之间的关系。根据这些关系，开发了三种最佳充电算法，它们可将PHEV充电对连接的配电系统的影响降至最低。算法在两个测试系统上的应用验证了这些关系大致独立于系统拓扑而成立。它们还显示了在将负载因子或负载方差用作目标函数而不是系统损耗时减少计算时间和问题凸度的其他好处。这对于PHEV的实时调度很重要。

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