The photovoltaic(PV) system converts the solar radiation into electricity directly. The block diagram of a general PV system is shown as:
It consists of the following building blocks:
The PV array: Its function is the conversion of solar radiation into electricity. It is the major unit in the system.
Battery storage: To be available at the absence of the solar radiation, the electric energy produced by the array must be partly stored, normally using batteries. So, the second main unit is the battery storage.
Power conditioning circuits: According to the nature of the load, the generated electric power must be conditioned using DC/DC converters and DC/AC inverters.
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