Students of the College of Technology of the University of Education in Kumasi (Ghana) have developed an automatic energy-efficient system that controls lighting in a given area. The system is able to turn off lights and other electrical appliances connected to an installed facility when the room is vacant after 10 minutes.
Principal of the College, Prof Frederick K. Sarfo, says the automatic energy system will help reduce actual electricity consumption. “The automatic energy system will help in the reduction of actual expenditures on electricity consumption, and the surplus funds could be used to support the expansion and improvement of other facilities to promote quality teaching and research.” After a year of piloting the system in four lecture rooms on campus authorities say it saved 70 percent of electricity cost.
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