The invention provides a battery charging method, a battery charging system, a hybrid power system and a train, and can be applied to the technical field of electrified rail transit. The method comprises the following steps: predicting an (i + 1) th charge state parameter of a power battery at an (i + 1) th moment according to an ith charge state and a traction braking working condition parameter of the power battery at an ith moment; under the condition that the (i + 1) th charge state parameter meets a preset state parameter interval and the driving environment is a target environment, determining a target charge state according to a charge parameter set of the power battery; a target matching interval of the actual charge state of the power battery at the (i + 1) th moment in a state matching table is determined, the state matching table comprises a plurality of initial matching intervals and charging power corresponding to each initial matching interval, and the charging power is determined according to the actual charge state and the target charge state; and charging the power battery through the fuel cell system based on the target charging power corresponding to the target matching interval.

    本公开提供了电池充电方法、电池充电系统、混合动力系统及列车,可以应用于电气化轨道交通技术领域。该方法包括根据动力电池在第i时刻的第i荷电状态和牵引制动工况参数,预测动力电池在第i+1时刻的第i+1荷电状态参数;在第i+1荷电状态参数满足预设状态参数区间且行驶环境为目标环境的情况下,根据动力电池的荷电参数集确定目标荷电状态;确定动力电池在第i+1时刻下的实际荷电状态在状态匹配表中的目标匹配区间,其中,状态匹配表包括多个初始匹配区间和与每个初始匹配区间对应的充电功率,充电功率是根据实际荷电状态和目标荷电状态确定的;通过燃料电池系统基于与目标匹配区间对应的目标充电功率,对动力电池进行充电处理。


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    Title :

    Battery charging method, battery charging system, hybrid power system and train


    Additional title:

    电池充电方法、电池充电系统、混合动力系统及列车


    Contributors:
    LI DUANKAI (author) / TAO GUIDONG (author) / JIAO JINGHAI (author) / LI YANKUN (author) / ZHANG AN (author)

    Publication date :

    2024-03-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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