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Electrification of transportation, communication, working and living continues worldwide. Televisions, telephones, servers are an important part of everyday life. These loads and most sustainable sources as well, have one thing in common: Direct Current. Together, they change the behavior of our electricity grid, not all effects are beneficial. In densely populated areas the AC transport and distribution...
This study examines various scenarios of the energy consumption trends of the residential and small commercial buildings in Thailand. It is expected that without implementing any energy conservation measures, the consumption of these sectors will increase about two folds from the present (2010) in next twenty years (2030). Although the consumptions by the main activities i.e. lighting, cooking, entertainment...
To achieve the objective set by European Union to reduce the energy consumption of buildings by the year 2020, effective measures for increasing energy efficiency have to be implemented. Improving energy efficiency in schools does not mean compromising the comfort of staff and students. Implementing some simple energy saving measures can improve conditions, as well as save money. The aim of this paper...
This paper models the case of a new construction 277 V commercial lighting system, one of the many possible applications of a DC distribution system, using fluorescent and LED fixtures in a conventional AC circuit and in a DC lighting circuit. The levelized cost of lighting for the AC fluorescent, DC fluorescent, AC LED, and DC LED cases are calculated for projected LED and solar PV performance parameters,...
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