Roof solar grid-connected power station with energy storage battery system
A technology of energy storage battery and solar energy, applied in grid connection of solar power station. It can solve the problems of low income, inability to choose operation mode, and increase of vacant roof area.
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[0038] See Figure 1 to Figure 3 , The present invention relates to a rooftop solar power station with an energy storage battery system, including an energy storage and inverter system 1. The energy storage and inverter system 1 is composed of 1 to M groups of photovoltaic arrays 1.1 in parallel, and each photovoltaic array 1.1 All are connected to the photovoltaic grid-connected switch 1.3 through the grid-connected inverter 1.2, and switch K is provided before the grid-connected inverter 1.2. 12 ~K m2 , And the photovoltaic grid-connected switch 1.3 is connected in parallel with the battery inverter grid-connected switch 1.8, the battery inverter grid-connected switch 1.8 is equipped with an energy storage battery 1.6 (equipped with a battery management system 1.11), a charging current sampling transformer 1.9, The battery grid-connected inverter 1.7, the charger 1.10 and the mains control switch of the mains charging circuit are connected, and the energy storage battery 1.6 p...
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