Abstract
In this study, an off grid wind-solar hybrid power generation system was established at Afyon Kocatepe University to meet the energy need of lighting system of three different laboratories. It is planned to efficiently use the energy obtained from the designed hybrid power generation system. For this purpose, PIC 16F877 was used in controlling of lighting load of laboratories. The off-grid wind-solar hybrid power generation system consists of 570 W 24 V mono crystal solar panels, 600 W wind power generation system and accumulator groups. The load control circuit made with PIC 16F877 is designed in a manner that will control the lighting armature groups individually activate and deactivate the armature groups according to intensity of illumination in environment. Besides, separately from generation and storing units constituting the hybrid power generation system, data in kWh are recorded by means of software in 10 seconds intervals. With the obtained power generation and storing data, analyzing of power consumption data when the load control system in active or passive position is made. According to analysis results, with controlling of lighting load and using of energy obtained from off grid wind-solar hybrid power generation system, 20.6% energy saving has been ensured.
Highlights
Energy is an essential source for sustainability of economical developments of countries
In order to be able to make efficiency analysis of the installed load control system, electric energy value consumed in general lighting according to weekly course hours made at two laboratories for both situations when load control system is active and load control system is not active must be known
In what extent electric energy generated by hybrid power generation system meets electric energy consumed for general lighting of laboratories is determined
Summary
Energy is an essential source for sustainability of economical developments of countries. Energy demand increases every passing day because of reasons such as economic development, industrialization, urbanization, welfare, increase in population and technological advance. Increase in energy demand obliges orientation towards low cost and safe energy supply policies. As a matter of fact, today, energy policies have become one of the important factors in international competition. Economic growth of Turkey in 2000’s has increased the energy demand and it is predicted that this increase will demonstrate an ongoing tendency [1]. Fossil fuels are being used extensively in many fields, mainly in electric generation, industry, heating, transportation, etc. CO2 rate emitted to atmosphere as a result of burning of fossil fuels has reached to hazardous magnitudes [2]
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