The invention discloses a charging system current-carrying capacity adjusting method and device, a terminal and a medium. The method comprises the steps that related temperature data and current charging current of a charging system and the cell temperature, SOC and cell voltage of a battery pack of a vehicle are obtained; the current temperature and the aging coefficient of the high-pressure part are calculated by adopting the high-pressure part temperature model and the cloud aging model of the vehicle; searching a current-temperature correction coefficient and a current-aging correction coefficient of the high-voltage part through the temperature-current carrying capacity MAP and the aging-current carrying capacity MAP; and through the current-temperature correction coefficient and the current-aging correction coefficient of the high-voltage part, the final charging current of the charging system is obtained through charging MAP calculation. Therefore, according to the embodiment of the invention, the current-carrying capacity of the charging system can be adjusted by combining the temperature sensor in the charging system, the pile end cooling capacity and the aging condition of the high-voltage part estimated by the cloud, and the charging performance is improved.
本发明公开了一种充电系统载流能力调整方法、装置、终端及介质,所述方法包括获取充电系统的相关温度数据、当前充电电流以及所述车辆的电池包的电芯温度、SOC和电芯电压;采用所述车辆的高压件温度模型和云端老化模型计算得到高压件的当前温度和老化系数;通过温度‑载流能力MAP和老化‑载流能力MAP,查找得到所述高压件的电流‑温度修正系数和电流‑老化修正系数;通过所述高压件的电流‑温度修正系数和电流‑老化修正系数,采用充电MAP计算得到所述充电系统的最终充电电流。因此,本发明实施例能够结合充电系统中温度传感器,桩端冷却能力和云端估算的高压部件的老化情况,调整充电系统载流能力,提升充电性能。
Charging system current-carrying capability adjusting method and device, terminal and medium
一种充电系统载流能力调整方法、装置、终端及介质
2024-02-09
Patent
Electronic Resource
Chinese
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