The electric energy storage system "stitches" intermittent renewable energy sources, stores electrical energy through batteries, and releases the stored energy to generate electricity when needed. Therefore, lead-acid batteries, which are important components of power supply systems such as wind energy storage, and photovoltaic energy storage etc, are also an important guarantee for the normal operation of power supply systems.
The grid-connected home energy storage system consists of five parts, including solar cell arrays, grid-connected inverters, BMS management systems, battery packs, and AC loads. The system uses a hybrid power supply of photovoltaic and energy storage systems. When the mains power is normal, the photovoltaic grid-connected system and the mains power supply power to the load; when the mains power fails, the energy storage system and the photovoltaic grid-connected system jointly supply power.
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