Suzhou Electric Appliance Research Institute
期刊號(hào): CN32-1800/TM| ISSN1007-3175

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基于分時(shí)電價(jià)的電動(dòng)汽車有序充放電策略研究

來源:電工電氣發(fā)布時(shí)間:2022-04-20 13:20 瀏覽次數(shù):427

基于分時(shí)電價(jià)的電動(dòng)汽車有序充放電策略研究

吳芳柱,田園
(國(guó)網(wǎng)江蘇省電力有限公司南京供電分公司,江蘇 南京 210019)
 
    摘 要:為了減緩電動(dòng)汽車無序充電造成的負(fù)荷波動(dòng),提出一種基于分時(shí)電價(jià)的電動(dòng)汽車有序充放電策略。構(gòu)建了居民區(qū)電動(dòng)汽車負(fù)荷模型,在考慮負(fù)荷均方差、用戶充放電成本和電動(dòng)汽車充電量的情況下,建立多目標(biāo)優(yōu)化函數(shù),并采用改進(jìn)粒子群算法求解多維優(yōu)化問題。仿真結(jié)果表明,所提有序充放電策略能在有效平緩電網(wǎng)負(fù)荷曲線的同時(shí),增大電動(dòng)汽車充電電量和減少用戶充放電成本,最大程度滿足用戶出行需求。
    關(guān)鍵詞:電動(dòng)汽車;有序充放電;多目標(biāo)優(yōu)化;改進(jìn)粒子群算法
    中圖分類號(hào):TM714 ;U469.72     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2022)04-0021-05
 
Coordinated Charging Strategy for Electric Vehicle Charging and
Discharging Based on Time-Use Price
 
WU Fang-zhu, TIAN Yuan
(Nanjing Power Supply Company, State Grid Jiangsu Electric Power Co., Ltd, Nanjing 210019, China)
 
    Abstract: For alleviating the load fluctuation caused by disorderly charging, this paper proposed an ordered charging and discharging strategy for electric vehicles based on the time-of-use pricing system.Furthermore, it helped to structure an electric vehicle load model. This research considered many situations, such as the mean square error of the load, the cost of charge and discharge, and the charging capacity of electric vehicles. It established a multi-objective optimization function and used the improved particle swarm algorithm to solve multidimensional optimization problems.The simulation result shows that the strategy could effectively smooth the grid load curve, increase electric vehicle charging capacity and save charging and discharging costs. It helps to meet the travel needs of users.
    Key words: electric vehicle; coordinated charging and discharging; multi-objective optimization; improved particle swarm algorithm
 
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