Assessment of Impacts on Integration of Disorderly EV Charging Load to Flexible Distribution Network

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI:10.1109/CPEEE51686.2021.9383357

Yanping Liu, Xin Li, Yi Liang, S. Zeng, Mingqi Li

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引用次数: 3

Abstract

The use of power electronics technology to transform the distribution network, realize multi-terminal flexible closed-loop operation and greatly improve the power supply capacity is an important form of future development of the distribution network. At the same time, along with the large-scale promotion of electric vehicles (EVs), the disorderly access of charging load is bound to bring challenges to the safe and stable operation of the distribution network. Therefore, it is necessary to evaluate and analyse the impact of EV charging load access in the flexible distribution network. Firstly, this paper constructs operational constraints based on the operating characteristics of the flexible distribution network; secondly, based on the disorderly access characteristics of EVs, the EV charging load model is constructed through a multi-factor combination; finally, tests are carried out in the IEEE 33 interconnection system. The results show that the flexible interconnection can effectively optimize the distribution of tides over time and suppress the voltage deviation.

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无序电动汽车充电负荷对柔性配电网整合的影响评估

利用电力电子技术改造配电网，实现多终端柔性闭环运行，大大提高供电能力是配电网未来发展的重要形式。同时，随着电动汽车的大规模推广，充电负荷的无序接入势必给配电网的安全稳定运行带来挑战。因此，有必要对柔性配电网中电动汽车充电负荷接入的影响进行评估和分析。首先，根据柔性配电网的运行特点，构建了运行约束;其次，根据电动汽车无序行驶的特点，通过多因素组合构建电动汽车充电负荷模型;最后，在ieee33互连系统中进行了测试。结果表明，柔性互联可以有效地优化潮汐随时间的分布，抑制电压偏差。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE)

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