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Operation analysis of AC traction motors in terms of electromagnetic torque capability on sustainable railway vehicles
Cornelia A. Bulucea, 1 Doru A. Nicola, 1 Marc A. Rosen, 2 Nikos E. Mastorakis, 3 Carmen A. Bulucea 4
1  University of Craiova, Faculty of Electrical Engineering, Craiova, 200440, Romania
2  University of Ontario Institute of Technology, Faculty of Engineering and Applied Science, Oshawa, ON, L1H 7K4, Canada
3  Military Institutions of University Education (ASEI), Hellenic Naval Academy, Piraeus 18539, Greece
4  University of Medicine and Pharmacy of Craiova, Faculty of Medicine, Craiova 200349, Romania

Published: 21 October 2016 by EDP Sciences in MATEC Web of Conferences
EDP Sciences, Volume 76; 10.1051/matecconf/20167602005
Abstract: Sustainable operation of electric railway systems represents a significant purpose nowadays in the development of high power and high speed locomotives and trains. At present, high speed electric vehicles mostly work with three-phase induction motors or three-phase synchronous motors as traction motors. The two electric machine types have different efficiencies at different operation points, and experience differences with respect to safety, speed and power, energy use and exergy efficiency. An important issue that correlates these aspects is the electromagnetic torque developed by an electric traction motor. In order to provide an overview of the technical performance of the operation of sustainable railway systems, a detailed analysis is carried out of the electromagnetic torque capability of AC electric motors utilized as traction motors in modern locomotives of high power and/or high speed. The results of this work may help in enhancing the main criteria for optimising the safe and sustainable operation of electric railway traction systems.
Keywords: electric vehicles, Traction Motors, electromagnetic torque, induction motors, railway vehicles, exergy, torque capability, Sustainable Railway, locomotives
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