(1) During the peak electricity consumption period during the day, under the illumination of sunlight, the DC current generated by the solar cell module is transmitted to the inverter through the controller to convert the current into electricity, which is then integrated into the power grid.
(2) During the low electricity consumption period at night, when the electricity price is relatively low, the electricity from the power grid is charged and stored by the battery through the inverter charging and discharging controller;
(3) When there is insufficient sunlight or electricity is used during non low periods at night, the battery sends power to the inverter through the DC control system, which is converted into AC power for AC load use.
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