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Difference between grid connected and off grid solar power generation system
Published by TANFON SOLAR July 22,2020

Today, I want to share with you a question:

is it better to install a solar power generation system in your home? Is it better to connect or leave the grid? To put it simply, the off grid system relies on solar energy and is stored in the battery. Then through the inverter, you can change the voltage of the household to 220 v,

Off grid solar power generation system is widely used in remote mountainous areas, no power areas, islands, communication base stations and other applications. The system is generally powered by solar power


10kw 3 phase solar inverter system




The solar cell module consists of photovoltaic array, solar charge and discharge controller, battery pack, off grid inverter, DC load and AC load. The photovoltaic array converts solar energy into electric energy when there is light. The solar charge and discharge controller supplies power to the load and charges the battery pack at the same time. When there is no light, the battery pack supplies power to the DC load through the solar charging and discharging controller. At the same time, the battery also directly supplies power to the independent inverter. Through the independent inverter, the current is converted to AC load Power supply.

the grid tie connected system, what kind of grid connection application is it? Yes, it is connected with the city power grid. There is no storage device to store the power generated by the grid connected solar system. Instead, it is directly converted into the required voltage required by the State Grid for parallel operation, and it is given priority to the use of families. The power that cannot be used up by the family can be sold to the state,


7000 watt solar system





First, the grid connected solar power generation system must be connected to the public grid, that is, solar power generation, household power grid and public power grid are connected together. This is a power generation system that must rely on the existing power grid to operate. It is mainly composed of solar panels and inverters. The solar panels are directly converted into 220 V AC by the inverter and supply power to household appliances. When the power generation capacity of solar energy exceeds that of household appliances, the surplus power will be transmitted to the public grid; when the power generation capacity of sun energy can not meet the needs of household appliances, it will be automatically supplemented from the grid. And the whole process is intelligent control, no need to manually open or close.

To learn more about solar power systems, click Solar energy storage system

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