Theoretical and Experimental Investigation of Flex-PCB Air-Gap Windings in Slotless BLDC Machines

Slotless brushless dc motors find more and more applications due to their high performance and their low production cost. This paper focuses on the windings inserted in the air gap of these motors and, in particular, to an original production technique that consists in printing them on a flexible printed circuit board. It theoretically shows that this technique, when coupled with an optimization of the winding shape, can improve the power density of about 23% compared with basic skewed and rhombic windings made of round wire. It also presents a first prototype of a winding realized using this technique and an experimental characterization aimed at identifying the importance and the origin of the differences between theory and practice.


Published in:
Ieee Transactions On Industry Applications, 50, 5, 3153-3160
Year:
2014
Publisher:
Piscataway, Institute of Electrical and Electronics Engineers
ISSN:
0093-9994
Keywords:
Laboratories:




 Record created 2015-02-20, last modified 2018-03-17


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