Ioan Felea
University of Oradea
Istvan Csuzi
Oradea Local Transportation S.A.
Eva Barla
University of Oradea
Energy conservation is one of the key priorities of sustainable development strategy. Transport systems are responsible for about one third of energy consumption. As result, the identification of solutions to reduce energy consumption in these systems is essential for the implementation of the sustainable development strategies. The present work is dedicated to identifying the possibilities for a reduction in the consumption of electric energy in electric urban public transport systems, using the audit of their electricity system. After justifying the importance of these concerns, a mathematical model of the electrical energy balance of the electric urban public transport system and its components is presented. The analysis is applied to determine the losses in the system components and useful energy, based on the evaluation and energy consumption measurements. The measurements to reduce energy losses are identified and characterized under technical and economic aspect, optimal electrical energy balances being done on this basis.
*** Strategy of sustainable development for EU, Bruxelles, 10117/06;
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*** Green Paper of Energy Efficiency or doing more with less, Commission of the European Communities, COM (2005) 256 final;
*** Directive 2006/32/EC of the European Parliament and of the council on Energy and Use Efficiency and Energy Services, Commission of the European Communities;
*** Law nr.199/2000 Regarding energy efficiency published in the Romanian Official Gazette, Part I nr. 734/2002;
*** H.G. nr.339/2002 to address the methodological norms for applying Law no. 199/2000 on energy effic
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