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The Impact of Electric Vehicles on the Distribution Grid

机译：电动车对分布网格的影响

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Distribution grid will be greatly influenced when large scale electric vehicles are simultaneously charged or discharged. Firstly, the assumptions related to the charging and discharging power of EVs are discussed, and the probability of daily driving distance is examined. Secondly, the probability models of charging time, duration and power are studied, and the probability models of discharging time, duration and power are built according to the driving pattern of X city in China and the national household travel survey of America in 2001. Then, the probability equation of single electric vehicle's hourly charging and discharging power is derived. After that, the mathematical expectation of above probability equation is solved by Monte Carlo method. Finally, the impact of large scale charging and discharging electric vehicles on the daily load of X city is analyzed. The results provide the theoretical foundation for the application of large scale electric vehicles in X city.
机译：当大型电动车同时充电或放电时，分配网格将受到大量影响。首先，讨论了与EVS的充电和放电功率相关的假设，并检查日常行驶距离的概率。其次，研究了充电时间，持续时间和功率的概率模型，以及放电时间，持续时间和功率的概率模型是根据中国X城市的驾驶模式和2001年美国国家家庭旅游调查建立的。然后，推导出单电动车辆每小时充电和放电功率的概率方程。之后，Monte Carlo方法解决了上述概率方程的数学期望。最后，分析了大规模充电和放电电动车对X城市日负荷的影响。结果为X城市应用大型电动车应用提供了理论基础。

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