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Photovoltaic system powering automatic control of air circulation
Syafaruddin
Proceedings Icpere 2014 2nd IEEE Conference on Power Engineering and Renewable Energy 2014
Abstract
The demand of cooling system in equator region is significantly high due to the hot ambient temperature. One advantage in this region is the high intensity of sunlight that is potential for solar energy system application. For these reasons, the innovation of cooling system design is recommended by changing the perspective of conventional of air conditioning system to cooling fan powered by photovoltaic system. In our proposed design, the temperature sensors of LM35 are used to collect temperature information inside and outside room prototype, respectively. Both temperature measurements are processed in the control system which is very simple because only depending on the temperature threshold for the ON/OFF operations of cooling fan. The control circuit is developed with electronic components and microcontroller ATmega8535 to translate the program written in Codevision AVR software for air circulation task. The prototype system has been tested in clear and cloudy sky environment and the testing results may provide different responses on system prototype and confirm the temperature control system performs properly.