Solar home lighting system
Topic covers solar applications useful for home lighting.
Home lighting System is powered by solar energy using solar cells that convert solar energy (sunlight) directly to electricity. The electricity is stored in batteries and used for the purpose of lighting whenever required.
Places where it can be used
- Non-electrified rural areas
- As an emergency lighting system in houses and commercial establishments
Parts and operation of a solar Home Lighting system
The Solar Home Lighting system is a fixed installation designed for domestic application.
The system comprises of
- Solar PV Module (Solar Cells)
- charge controller
- battery and
- lighting system (lamps & fans).
The solar module is installed in the open on roof/terrace - exposed to sunlight and the charge controller and battery are kept inside a protected place in the house. The solar module requires periodic dusting for effective performance.
It depends on the capacity of the system. However, most systems are designed to give a daily working time of 3-4 hours with a fully charged battery. The system provides for buffer storage for 1-2 non-sunny /cloudy days.
Source : www.geda.org.in