Primary Permanent Magnet Linear Motors for Rail Transit

  • Ruiwu Cao
  • Ming Cheng
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 288)


Permanent magnet (PM) linear motor having magnets and armature windings in the primary mover (the so-called primary-PM machines) have attracted more and more attention due to its definite advantages of robust structure, high power density, high efficiency, and low cost in long stator application. In this paper, the structure, operation principle, characteristics, and electromagnetic performance of two kinds of the primary-PM motors in the application of the rail transit will be presented. Also, some experiment results are given to validate the study.


Linear motor doubly salient Flux-switching Primary permanent magnet motor Urban rail transit 


  1. 1.
    Stumberger G, Zarko D, Aydemir MT, Lipo TA (2003) Design and comparison of linear synchronous motor and linear induction motor for electromagnetic aircraft launch system. In: Proceedings of IEMDC2003, Madison, USA, pp 494–500 Google Scholar
  2. 2.
    Kolomeitsev L, Kraynov D, Pakhomin S et al (2008) Linear switched reluctance motor as a high efficiency propulsion system for railway vehicles. In: International symposium on power electronics, electrical drives, automation and motion, pp 155–160Google Scholar
  3. 3.
    Liao Y, Liang F, Lipo TA (1992) A novel permanent magnet machine with doubly salient structure. In: Proceedings of IEEE industry applications society annual meeting, pp 308–314Google Scholar
  4. 4.
    Hoang E, Ben-Ahmed AH Lucidarme J (1997) Switching flux permanent magnet polyphased machines. In: Proceedings of European conference on power electronics, pp 903–908Google Scholar
  5. 5.
    Zhao W, Cheng M, Hua W, Jia H, Cao R (2011) Back-EMF harmonic analysis and fault-tolerant control of flux-switching permanent-magnet machine with redundancy. IEEE Trans Ind Electron 58(5):1926–1935CrossRefGoogle Scholar
  6. 6.
    Cao R, Cheng M, Mi C, Hua W, Zhao W (2011) A linear doubly salient permanent magnet motor with modular and complementary structure. IEEE Trans Magn 47(12):4809–4821Google Scholar
  7. 7.
    Cao R, Cheng M, Mi C, Hua W, Wang X, Zhao W (2012) Modeling of a complementary and modular linear flux-switching permanent magnet motor. IEEE Trans Energy Convers 27(2):489–497Google Scholar
  8. 8.
    Cao R, Cheng M, Hua W (2013) Investigation and general design principle of a new series of complementary and modular linear FSPM motors. IEEE Trans Ind Electron 60(12):5436–5446Google Scholar
  9. 9.
    Cao R, Cheng M, Mi C, Hua W, Zhao W (2013) Comparison of complementary and modular linear flux-switching motors with different mover and stator pole pitch. IEEE Trans Magn 49(4):1493–1504CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.School of Electrical EngineeringSoutheast UniversityNanjingChina

Personalised recommendations