Major Components of Solar PV systems

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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