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Definition of stand-alone photovoltaic power generation system
Release time:
2021-11-09
Independent photovoltaic power generation system consists of solar photovoltaic array, battery pack, charge controller, power electronic converter (inverter), load and so on. Its working principle is that the solar radiation energy is first converted into electrical energy through the photovoltaic array, and then transformed by the power electronic converter to supply power to the load.
Independent photovoltaic power generation system consists of solar photovoltaic array, battery pack, charge controller, power electronic converter (inverter), load and so on. Its working principle is that the solar radiation energy is first converted into electrical energy through the photovoltaic array, and then transformed by the power electronic converter to supply power to the load. At the same time, the excess electrical energy is stored in the energy storage device in the form of chemical energy after passing through the charge controller. In this way, when the sunshine is insufficient, the energy stored in the battery can be changed into AC 220V and 50 Hz electric energy for AC load after boosting by power electronic inverter, filter and power frequency transformer. Solar power generation is characterized by daytime power generation, while the load is often all-weather electricity, so the energy storage element is indispensable in the independent photovoltaic power generation system, and the energy storage element used in the project is mainly the battery.
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