TY - JOUR N2 - This paper evaluates the performance of fractional-slot per pole winding configurations for tubular permanent magnet (PM) machines that can effectively eliminate the most undesirable space harmonics in a simple and cost-effective manner. The benefits of the proposed machine topology winding configurations are illustrated through comparison with 9-slot, 10-pole tubular PM machine developed for a free piston energy converter under the same specification and volumetric constraints. It has been shown that the proposed machine topology results in more than 7 times reduction in the eddy current loss in the mover magnets and supporting tube, and hence avoids potential problem of excessive mover temperature and risk of demagnetization. L1 - http://www.journals.pan.pl/Content/85161/PDF/11_paper.pdf L2 - http://www.journals.pan.pl/Content/85161 PY - 2015 IS - No 4 December EP - 668 DO - 10.1515/aee-2015-0049 KW - linear machines KW - permanent magnet machines A1 - Wang, Jiabin PB - Polish Academy of Sciences VL - vol. 64 DA - 2015[2015.01.01 AD - 2015.12.31 AD] T1 - Performance evaluation of fractional-slot tubular permanent magnet machines with low space harmonics SP - 655 UR - http://www.journals.pan.pl/dlibra/publication/edition/85161 T2 - Archives of Electrical Engineering ER -