The invention discloses an electric vehicle charging pile control method and device, and the method comprises the steps: building a traditional double-closed-loop PI control model of a T-type VIENNA rectifier, and the traditional double-closed-loop PI control model comprises current inner loop control and voltage outer loop control; current inner loop control in a traditional double-closed-loop PI control model is improved by using a weak-buffeting superhelix second-order sliding mode algorithm; a linear active disturbance rejection controller (LADRC) is designed based on the operation condition of the T-type VIENNA rectifier, and voltage outer loop control in a traditional double closed loop PI control model is improved according to the linear active disturbance rejection controller (LADRC); and controlling the electric vehicle charging pile according to the improved traditional double-closed-loop PI control model. The dynamic performance of the electric vehicle charging pile control system during load change is improved, after the rectifier is subjected to external disturbance, faster dynamic response can be ensured, and meanwhile, the grid-side current harmonic distortion rate can be reduced.

    本发明公开了一种电动汽车充电桩控制方法及装置,包括:建立T型VIENNA整流器的传统双闭环PI控制模型,传统双闭环PI控制模型包括电流内环控制以及电压外环控制;利用弱抖振超螺旋二阶滑模算法改进传统双闭环PI控制模型中的电流内环控制;基于T型VIENNA整流器的运行工况设计线性自抗扰控制器LADRC,根据线性自抗扰控制器LADRC改进传统双闭环PI控制模型中的电压外环控制;根据改进后的传统双闭环PI控制模型对电动汽车充电桩进行控制。本发明提高了电动汽车充电桩控制系统在负载变动时的动态性能,在整流器受到外部扰动后,可以保证具有更快的动态响应,同时也可以减小网侧电流谐波畸变率。


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    Titel :

    Electric vehicle charging pile control method and device


    Weitere Titelangaben:

    一种电动汽车充电桩控制方法及装置


    Beteiligte:
    YUAN HAO (Autor:in) / CHEN LIANGLIANG (Autor:in) / MA YULI (Autor:in) / LIN XIANG (Autor:in) / YANG FENGKUN (Autor:in) / WANG ZHIKUN (Autor:in) / ZHOU BIN (Autor:in) / HAN HUACHUN (Autor:in) / YUAN XIAODONG (Autor:in) / ZHU QING (Autor:in)

    Erscheinungsdatum :

    2024-02-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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