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Mathematical Modeling for Economic Evaluation of Electric Vehicle to Smart Grid Interaction

机译：电动汽车与智能电网互动的经济评价数学模型

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摘要

The objective of this work is to develop a mathematical model for the integration of electric vehicle (EVs) to the grid. Integrating the EV with the grid would help in simultaneous charging of numerous EVs and provide peak hour energy to the grid (from EV). This bi-directional exchange of energy between the grid and EV results in a complex financial calculations. So a simple model has been proposed. The energy provided by the EV to the grid depends on the battery capacity. Battery capacity is affected by capacity losses (CL). The model includes the possible cases of CL, such as CL due to battery usage (discharge during vehicle transportation) and CL due to the grid interaction. The main cause for a higher per kilometer (Km) transportation cost in EV, when compared to conventional vehicle, is the high cost of the battery and its maintenance. In this model, the economic analysis has been done in such a way that the battery related liabilities do not become a financial burden to EV owners. The above scenario has been evaluated for different combinations of charge rate $(C_{r})$ and discharge rate $(D_{r})$ ranging from $1C_{r}-1D_{r}$ to $3C_{r}-3D_{r}$ . Finally the optimal cost of electricity is determined such that the grid, EV owners, and consumers (EV users) are benefitted.
机译：这项工作的目的是为电动汽车（EV）集成到电网开发一个数学模型。将电动汽车与电网集成在一起将有助于同时为众多电动汽车充电，并为电网提供高峰时段的能源（来自电动汽车）。电网和电动汽车之间的这种双向能源交换导致了复杂的财务计算。因此，提出了一个简单的模型。电动汽车提供给电网的能量取决于电池容量。电池容量受容量损失（CL）的影响。该模型包括CL的可能情况，例如由于电池使用（车辆运输过程中的放电）引起的CL和由于电网相互作用而引起的CL。与传统车辆相比，电动汽车每公里（Km）运输成本更高的主要原因是电池及其维护成本高。在此模型中，进行经济分析的方式是，与电池相关的负债不会成为电动汽车车主的财务负担。已针对充电率$（C_ {r}）$和放电率$（D_ {r}）$从$ 1C_ {r} -1D_ {r} $到$ 3C_ {r}的不同组合评估了上述情况-3D_ {r} $。最终，确定最佳的电力成本，以使电网，电动车所有者和消费者（电动车用户）受益。

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