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电动汽车充放电优化管理

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摘要 本文主要通过对数据的分析和处理,对电动汽车充放电过程,根据问题建立相应的概率分布模型,研究规模化电动汽车充放电的优化管理。首先以相关数据作为样本观测值,利用SPSS软件作出随机变量的频率分布直方图,观察其分布特点;然后,对各分布曲线的均值和方差分布进行t检验和χ2检验,通过检验结果确定出电动汽车充电行为特征量(充电开始时刻、充电时长、充电电量)均服从正态分布;最后,建立规模化电动汽车年用电量的概率分布模型 P﹛﹛nΣt=1Xi-nΣt=1E(Xi)/D(nΣt=1Xi)≤a-nμ/nσ2≤95%,代入μ=14.23,σ=8,得规模化电动汽车年用电量为:1万辆,143636kWh,8000万辆,1138519495.47k Wh。说明电动汽车规模化应用后,对电网会产生一定的影响。
出处 《内燃机与配件》 2018年第18期191-193,共3页 Internal Combustion Engine & Parts
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