The
major components for solar PV system are PV module，solar charge controller, inverter,
battery bank, and auxiliary energy sources.
PV module – converts sunlight(photons) into DC electricity.
Solar charge controller – regulates the voltage and current
coming from the PV panels going to battery and prevents battery overcharging and
prolongs the battery life.
Inverter – converts DC output of PV panels into a
clean AC current for AC appliances or fed back into grid line.
Battery – stores energy for supplying to electrical
appliances when there is a demand.
Auxiliary energy sources - is diesel generator or other
renewable energy sources.
Below is a general block diagram of solar PV system.
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