Parallel off grid photovoltaic energy storage system

　　Parallel off grid photovoltaic power generation systems are widely used in places with frequent power outages, spontaneous self use of photovoltaic power that cannot be used for grid connection, self use electricity prices that are much higher than grid electricity prices, and peak electricity prices that are much higher than valley electricity prices.

　　The system is composed of photovoltaic modules, solar photovoltaic and off grid integrated machines, batteries, loads, etc. The photovoltaic array converts solar energy into electrical energy under illumination, and uses solar energy to control the inverter integrated machine to supply power to the load while charging the battery; When there is no light, the battery supplies power to the solar controlled inverter integrated machine, and then supplies power to the AC load.

　　Compared to grid connected power generation systems, this system has added a charging and discharging controller and a battery. In the event of a power outage in the grid, the photovoltaic system can continue to operate, and the inverter can switch to off grid operation mode to supply power to the load.

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