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Energy Saving Technologies for Railway Traction Motors
Author(s) -
Matsuoka Koichi,
Kondo Minoru
Publication year - 2010
Publication title -
ieej transactions on electrical and electronic engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.254
H-Index - 30
eISSN - 1931-4981
pISSN - 1931-4973
DOI - 10.1002/tee.20530
Subject(s) - traction motor , traction (geology) , efficient energy use , automotive engineering , induction motor , electric traction , brushed dc electric motor , electric motor , traction substation , train , engineering , mechanical engineering , ac motor , electrical engineering , computer science , voltage , transformer , cartography , geography
It is very important to improve the efficiency of traction motors to save energy in electric trains. In addition, improving the efficiency is also important to realize a totally enclosed traction motor that requires less maintenance. Therefore, the use of high‐efficiency motors is expanding. Many of them are induction motors with high‐performance materials; e.g. low‐loss electrical steel sheets and low‐resistivity conductors. Meanwhile, some of them use permanent magnet synchronous motors, which have higher efficiency than induction motors. In this paper, we will review these recent technologies to improve the efficiency of traction motors and give examples of high‐efficiency traction motors in use in Japan. Copyright © 2010 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

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