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文章摘要
考虑风电波动与电动汽车集群储能平抑控制策略
Considering the wind power fluctuation and the control strategy of energy storage and control of electric vehicle cluster
Received:October 27, 2019  Revised:November 13, 2019
DOI:10.19753/j.issn1001-1390.2021.07.002
中文关键词: 风电  电动汽车  自适应算法  集群  储能能力
英文关键词: Wind  power, electric  vehicle, adaptive  algorithm, cluster, energy  storage capacity
基金项目:新疆自然科学基金(BS160246)
Author NameAffiliationE-mail
Zheng Hao* Engineering Research Center of Ministry of education of renewable energy power generation and grid connection technology,Xinjiang University 2247009764@qq.com 
Cui Shuangxi Engineering Research Center of Ministry of education of renewable energy power generation and grid connection technology,Xinjiang University 1449622236@qq.com 
Cheng Yefan Engineering Research Center of Ministry of education of renewable energy power generation and grid connection technology,Xinjiang University 827369109@qq.com 
Zuo Shuai Engineering Research Center of Ministry of education of renewable energy power generation and grid connection technology,Xinjiang University zh827369109@gmail.com 
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中文摘要:
      为促进风电在电网中的消纳,减轻配电网负荷压力,提出考虑风电出力波动和电动汽车集群储能系统平抑控制策略。首先,对单体电动汽车入网后行为特性进行储能建模,依据不同荷电状态(SOC)电动汽车有功响应能力,构建电动汽车集群储能模型,基于集群储能能力的差异性,利用多个电动汽车集群协调平抑联络线功率波动。其次,由集群储能系统依据联络线功率平抑波动值进行逐层自适应功率分配,确定各电动汽车蓄电池—超级电容的任务功率,充分利用车网连续调节能力。所提平抑策略可减轻大规模电动汽车连网后配电网中负荷的波动,实现储能系统内部功率相互流动,有效减少常规储能容量配置。
英文摘要:
      To promote the absorption of wind power in the power grid and reduce the load pressure of the distribution network, a control strategy considering the fluctuation of wind power output and the stabilization of the electric vehicle cluster energy storage system is proposed. Firstly, the energy storage modeling of the behavior characteristics of the single electric vehicle after entering the network is carried out. According to the active response ability of the electric vehicle under different SOC, the energy storage model of the electric vehicle cluster is constructed. Based on the difference of the energy storage ability of the cluster, multiple electric vehicle clusters are used to coordinate and suppress the power fluctuation of the tie line. Secondly, the cluster energy storage system makes the adaptive power distribution layer by layer according to the tie line power smoothing fluctuation value, determines the task power of each EV battery super capacitor, and makes full use of the continuous regulation ability of the vehicle network. The proposed strategy can reduce the load fluctuation in the distribution network after the large-scale electric vehicle connected, realize the mutual flow of power in the energy storage system, and effectively reduce the allocation of conventional energy storage capacity.
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