The invention provides an optical storage charging system and an optical storage charging system control method. The optical storage charging system comprises a photovoltaic inverter connected to a power line, wherein the power line is connected to a power grid; the circuit breaking device is connected between the photovoltaic inverter and the power line; the energy storage converter is connected to the power line; the energy management system communicates with the photovoltaic inverter, the electricity meter, the circuit breaking device and the energy storage converter, and is configured to poll the communication state of the photovoltaic inverter and the energy storage converter; reading the grid-connected point power from the electricity meter, and judging whether the optical storage charging system has countercurrent or not according to the grid-connected point power; when countercurrent occurs in the optical storage charging system, judging whether the energy storage converter has a communication fault or not; when the communication of the energy storage converter is normal, instructing the energy storage converter to charge, and when the communication of the energy storage converter fails, judging whether the communication of the photovoltaic inverter fails or not; and when the communication of the photovoltaic inverter is normal, the photovoltaic inverter is instructed to reduce the power for operation, and when the communication of the photovoltaic inverter fails, the circuit breaking device is instructed to be disconnected.

    本发明提供了一种光储充电系统以及光储充电系统控制方法。光储充电系统包括:连接到电力线的光伏逆变器,电力线连接到电网;断路装置,连接在光伏逆变器和电力线之间;储能变流器,连接到电力线;能量管理系统,与光伏逆变器、电表、断路装置和储能变流器通信,且配置为:轮询光伏逆变器和储能变流器的通信状态;从电表读取并网点功率,并根据并网点功率判断光储充电系统是否出现逆流;当光储充电系统出现逆流时,判断储能变流器是否通信故障;当储能变流器通信正常时,指令储能变流器充电,当储能变流器通信故障时,判断光伏逆变器是否通信故障;当光伏逆变器通信正常时,指令光伏逆变器降低功率运行,当光伏逆变器通信故障时,指令断路装置断开。


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    Title :

    Optical storage charging system and optical storage charging system control method


    Additional title:

    光储充电系统以及光储充电系统控制方法


    Contributors:
    DU HUI (author) / SHENG YUN (author) / BIAN TIEZHENG (author) / XU YONGGUO (author) / LIU MENG (author) / DAI ZHONGLIANG (author) / ZHANG ZHEN (author)

    Publication date :

    2022-12-09


    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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