Analysis of Semipermeable Containment Sleeve Technology for High-Speed Permanent Magnet Machines

  title={Analysis of Semipermeable Containment Sleeve Technology for High-Speed Permanent Magnet Machines},
  author={Jason M. Yon and P. H. Mellor and Rafal Wrobel and Julian D. Booker and S. Burrow},
  journal={IEEE Transactions on Energy Conversion},
This paper presents an alternative permanent magnet rotor containment technology. The use of a semipermeable material in a laminated structure is shown to result in a significant improvement in magnetic loading for a given thickness of containment compared to the use of magnetically inert materials such as carbon fiber or Inconel, while minimizing eddy current losses in the containment layer. An analytical model is presented for determining the air-gap field delivered from a permanent magnet… CONTINUE READING
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