The invention belongs to the technical field of charging power supplies, and discloses a short-circuit control method and system for a silicon carbide charging power supply, a medium and an application. The short-circuit control method for the silicon carbide charging power supply comprises the steps of obtaining a current charging voltage value collected by a charging detection module; determining a target level matched with the current charging voltage value; and controlling a silicon controlled rectifier module to execute corresponding target processing according to the target level. According to the invention, the target level matched with the current charging voltage value is determined according to the current charging voltage value acquired by the charging detection module in real time, so that the silicon controlled rectifier module is controlled to be switched on or off according to the target level; the silicon carbide module is disconnected or closed to achieve the purpose of power failure when abnormality is detected quickly and effectively, the purpose of dozens of times higher than the turn-off speed of a mechanical short-circuiter is achieved, the switching speed ishigh, the conduction loss is small, the abnormality judgment speed of the charging power supply is greatly increased, and the service life of the charging power supply is greatly prolonged.

    本发明属于充电电源技术领域,公开了一种碳化硅充电电源的短路控制方法、系统、介质及应用,所述碳化硅充电电源的短路控制方法包括:获取充电检测模块采集到的当前充电电压值;确定与所述当前充电电压值匹配的目标电平;根据所述目标电平,控制可控硅模块执行对应的目标处理。本发明通过实时获取的充电检测模块采集到的当前充电电压值确定与当前充电电压值匹配的目标电平,以根据目标电平控制执行可控硅模块的闭合或断开,不仅实现快速且有效地检测到异常时通过断开或关闭碳化硅模块来达到断电的目的,也实现了相比机械短路器关断速度快几十倍的目的,开关速度快,导通损耗小,从而大大提高了充电电源的异常判断速度和使用寿命。


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    Titel :

    Short-circuit control method and system for silicon carbide charging power supply, medium and application


    Weitere Titelangaben:

    一种碳化硅充电电源的短路控制方法、系统、介质及应用


    Beteiligte:
    MA ZHONGFA (Autor:in) / WU YONG (Autor:in) / ZHANG PENG (Autor:in) / SUN ZHANYING (Autor:in) / WANG LU (Autor:in) / REN SHAORUI (Autor:in)

    Erscheinungsdatum :

    2021-02-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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