Brief introduction to the principle of photovoltaic grid-connected inverter: my country’s photovoltaic power generation system is mainly a DC system, that is, the electric energy generated by the solar cell charges the battery, and the battery directly supplies power to the load, such as the lighting system for solar users in Northwest my country and far away from the grid The power supply systems of microwave stations are all DC systems. This type of system has a simple structure and low cost. However, due to the different load DC voltages (such as 12V, 14V, 24V, 48V, etc.), it is difficult to achieve system standardization and compatibility, especially for civil power, as most of the AC loads are used. Photovoltaic power supplied by DC power is difficult to enter the market as a commodity.

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3000w 12v 120v pure sine wave inverter