Energy efficiency in railways: energy storage and electric generation in diesel electric locomotives
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AuthorAgenjos, Elena; Gabaldón Marín, Antonio; Franco, Francisco G.; Molina Legaz, Roque; Valero Verdú, Sergio; [et al.]
Knowledge AreaIngeniería Eléctrica
SponsorsThis work was supported by the Spanish Government (Ministerio de Ciencia e Innovacion) under Research Project ENE2007-67771-C02-02/CON. The authors are very grateful to the information, data and time tables supplied by ADIF (Administrador de Infraestructuras Ferroviarias, Spanish Railway Network Operator).
PublisherInstitute of Electrical and Electronics Engineers (IEEE).
Bibliographic CitationAGENJOS, Elena, GABALDÓN, Antonio, FRANCO, Francisco G, MOLINA, Roque, VALERO, Roque, ORTIZ, Mario, GABALDÓN, Rafael J. Energy efficiency in railways: energy storage and electric generation in diesel electric locomotives. En: International Conference and Exhibition on Electricity Distribution (20ª: 2009: Praga). 20th International Conference on Electricity Distribution. Prague, 8-11 June 2009. Praga: Institute of Electrical and Electronics Engineers. 2009. 1-7 p.
Locomotora con almacenamiento de energía
Reducción de consumo de gasóleo
Reducción de emisiones de CO2
Sistemas diesel de frenado dinámico
Locomotive with energy storage
Reduction of diesel consumption
Dynamic brake diesel systems
Diesel-electric traction is a well known and established technology for railways operators,but this alternative has a considerable uncerainty for the future because electric traction has a considerable superiority. Besides,diesel-electric engines was teenergy when resistive braking isused This non-regenerative braking decreases the overall efficiency by lO-20%.With these premises it is important to develop new strategies to increase the energy efficiency of diesel-electric haulag. To reach a better efficiency,a locomotive with energy storage(battery,super-capacitors)is theoretically proposed.Besides,the possibility of using alower thermal engine(from other diesel locomotives out of use)with energy storage devices is considered too.This solution reduces diesel consumption and CO2 emissions while being economically viable.It supposes an efficient energy management because the diesel-electric locomotive could acts as a dispersed mobile generation(DMG)unit when working under electric ...
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