Study and Design of An Automatic Control System for Electric Energy Management - Case Study An-Najah National University

The energy situation in Palestine, the efficient use of energy, and the energy conservation in universities, is not in a better condition than most developing countries. In this thesis, we have established a start or a beginning step toward the efficient use of energy and energy conservation in universities through conducting several energy audits in some faculties of An-Najah National University which are considered as high energy consumers and allocate the potential for energy savings opportunities. In this thesis we have successfully proven that there is a huge potential for energy savings in the Palestinian universities sector (15-25%) by implementing some energy conservation measures (with no or low cost investment) on the most energy consumption equipment such as boilers, air conditioning, and lighting system. Where we have achieved a percentage of saving 24% in the lighting system (low cost), 7% in the cooling system (no cost), and 5% in the heating system (no cost). In addition, we succeeded in developing a new energy management software, which is used to estimate the total energy savings from each opportunity in our study, this program has several advantages through tabulating large quantities of energy use data, minimizing calculation errors, and providing reliable and neatly organized data for use in analysis and post-retrofit troubleshooting. In this thesis also we have designed and implemented a new web based automatic light management and control system , in order to reduce the lighting consumption, by taking into account the classrooms schedule table, the occupancy sensors, and the daylight distribution, this system resulted in extra saving of 45%.