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基于离散吸引力模型的电动汽车充放电最优分时电价研究

DOI: 10.13334/j.0258-8013.pcsee.2014.22.009, PP. 3647-3653

Keywords: 电动汽车,分时电价,遗传算法,离散吸引力模型,网损

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Abstract:

随着电动汽车技术的快速发展和人们环保意识的不断提高,电动汽车的使用规模将不断扩大。而大量电动汽车的无序充放电行为,将会给电网的安全运行带来很大影响。文章基于离散吸引力模型,依据需求价格弹性的定义,推导出自弹性系数和互弹性系数的计算公式,并建立4类电动汽车充放电需求响应模型,统筹考虑电网公司和电动汽车车主双方的利益,运用基于遗传算法的多目标优化算法求解出1套最优分时电价方案来引导电动汽车的充放电行为。算例验证表明该模型求解得到的最优分时电价方案可显著地减少车主花销,降低配电网的网络损耗,平滑负荷曲线。

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