The invention relates to an intelligent charging and discharging system applied to a new energy automobile, which comprises an MPC controller and a converter, and further comprises a VSG controller, the VSG controller is connected with the MPC controller, the VSG controller is connected with the converter, the VSG controller comprises a virtual speed regulation module, a virtual voltage regulation module, a virtual rotor module and a current generation module, and the virtual speed regulation module is connected with the converter. The VSG controller is used for outputting synthesized current data information through a VSG algorithm according to the sampled current and voltage; the virtual speed regulation module is used for regulating the speed of the VSG controller and stabilizing the frequency of the system by regulating the difference of active power along with load change; and the virtual voltage regulation module. The stability of the system is improved through inertia and damping provided by the virtual synchronous generator, popularization and application of the intelligent charging and discharging system are facilitated, and an electric vehicle battery is regarded as a part of peak load shifting of a power grid.

    本发明涉及一种应用于新能源汽车上的智能充放电系统,包括MPC控制器和变换器,还包括VSG控制器,所述VSG控制器与所述MPC控制器连接,所述VSG控制器与所述变换器连接,所述VSG控制器包括虚拟调速模块、虚拟调压模块、虚拟转子模块和电流生成模块,所述VSG控制器,用于根据采样的电流和电压通过VSG算法输出合成的电流数据信息;所述虚拟调速模块,用于调速所述VSG控制器,通过调整有功功率随负荷变化的差额,稳定系统的频率;所述虚拟调压模块。本发明不仅通过虚拟同步发电机提供的惯性和阻尼,使系统的稳定性提高,而且有利于智能充放电系统的推广使用,将电动车电池看作电网削峰填谷的一部分。


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    Title :

    Intelligent charging and discharging system applied to new energy automobile


    Additional title:

    一种应用于新能源汽车上的智能充放电系统


    Contributors:
    CHENG ALUO (author) / CHENG LIWEI (author) / NI WENJIN (author) / DU ZONGJIN (author) / GUO GENHUA (author)

    Publication date :

    2024-02-09


    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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