Abstract
To save electricity consumption in university buildings, we measured and compared the amount of electricity use with and without motion detection sensors and room management systems in underground parking lots, lecture rooms, and dormitories of a university building. The underground parking lots and lecture rooms were measured as sensors were applied and then removed during the semester. University classes are held weekly, so it can be assumed that the number of cars and people’s entering and using conditions are the same. In the university’s underground parking lots, a daily electricity savings of 39.5 Wh/(m2 day) of lights was achieved, with a savings rate of 77.6%. In the lecture rooms, these values were 25.0 Wh/(m2 day) and 32.4%, respectively. Savings in the use of air conditioning were 55.0 Wh/(m2 day), with a savings rate of 27.9%. Dormitories use electrical energy for lighting, heating, and socket outlets. As a reference group, 120 rooms were selected and the room management system was applied to 10 samples. For dormitories, daily electricity savings of 142.4 Wh/(m2 day) were achieved, with a savings rate of 28.2%. Thus, this study demonstrated that applying motion detection sensors and room management systems saved significant electrical energy in university underground parking lots, lecture rooms, and dormitories.
Highlights
To study the effect of a motion detection sensor and room management system on electricity consumption, sensors were installed in underground parking lots, lecture rooms, and dormitories of a university building
Panel heating has been preferred for dormitory heating systems, as it is easier to Recently, panel heating has been preferred for dormitory heating systems, as it is easier to control than gas boilers
Panel heating has been preferred for dormitory heating systems, as it is easier to control than gas boilers
Summary
As part of energy conservation, Green IT (Green environment achievement by IT and green technology for IT) aims to achieve continuous added value as the new growth engine while actively responding to issues such as global warming, tightening environmental regulations, energy depletion, and environmental pollution. Power industries are actively integrating information and communication technologies such as the environmentally-friendly intelligent future smart grid (Smart Grid) with technologies including distributed generation, energy storage, renewable energy, electric vehicles (Plug-in Hybrid Vehicle), Smart Meter, and Demand Response as a national growth engine [2]. Smart grid is an intelligent power grid system that improves efficiency by integrating information and communication technology into the process of generating, transporting, and consuming electricity, and interacting with each other between suppliers and consumers.
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