The invention discloses a new energy automobile optimized charging method considering three-phase load balance, which solves the defects in the prior art, and comprises the following steps of: 1, initializing and collecting basic information of a new energy automobile; 2, establishing an inner-layer optimization model according to the basic information of the new energy automobile, wherein the inner-layer optimization model is a three-phase load balanced inner-layer optimization model; step 3, performing outer-layer load flow calculation on the inner-layer optimization model, taking the new energy automobile charging power obtained by the inner-layer optimization model as a known quantity, and calculating node voltage by using a three-phase forward-backward substitution method; 4, judging whether the node voltage is smaller than a preset value or not, if so, terminating iteration to obtain a final node voltage, and if not, adjusting the parameters in the step 3 and re-executing the step 3 until the node voltage is smaller than the preset value; and step 5, taking the new energy automobile charging power calculated by the final inner layer optimization model as the optimal charging power for charging the new energy automobile.

    本发明公开了一种考虑三相负荷平衡的新能源汽车优化充电方法,解决了现有技术的不足,包括步骤1,初始化,收集新能源汽车的基本信息;步骤2,根据新能源汽车的基本信息建立内层优化模型,内层优化模型为三相负荷平衡的内层优化模型;步骤3,对内层优化模型进行外层潮流计算,将内层优化模型得到的新能源汽车充电功率作为已知量,运用三相前推回代法计算节点电压;步骤4,判断节点电压是否小于预设值,若是则终止迭代,得出最终的节点电压,若否则调整步骤3中的参数重新执行步骤3,直到节点电压小于预设值为止;步骤5,将最终内层优化模型计算得出的新能源汽车充电功率作为最优充电功率,用于为新能源汽车进行充电。


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    Title :

    New energy automobile optimal charging method considering three-phase load balance


    Additional title:

    一种考虑三相负荷平衡的新能源汽车优化充电方法


    Contributors:
    TAO JIAYING (author) / ZHU YINGWEI (author) / HU YONG (author) / GU LIWEI (author) / YU JIAN (author) / CHEN TING (author) / YANG BIFENG (author) / ZENG WENHAO (author) / YU JIATAO (author) / BIAN DAISEN (author)

    Publication date :

    2024-07-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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