NDLI: Design and performance analysis of a high-speed air-cored axial-flux permanent-magnet generator with circular magnets and coils

Content Provider	IEEE Xplore Digital Library
Author	Fei, W. Luk, P.C.K.
Copyright Year	2009
Description	Author affiliation: Power and Drive Systems Group, Department of Engineering Systems and Management, Cranfield University, Shrivenham, Wiltshire, SN6 8LA, UK (Fei, W.; Luk, P.C.K.)
Abstract	Air-cored, axial flux permanent-magnet (AFPM) machines have magnetic and mechanical characteristics considered to be ideal for compact high speed electric power generation applications. To date, research on high speed AFPM machines is primarily from a mechanical perspective, with emphasis on higher power level applications such as in hybrid vehicles. Recently, there has been an increasing interest in man-portable mobile power sources with a power envelope of around 1kW, for mission critical applications. In this paper, a high speed air-cored surface mounted AFPM machine with circular magnets and coils is proposed. Comprehensive theoretical analysis and three-dimensional (3-D) electromagnetic finite element analysis (FEA) are developed to evaluate the performance of the machine. In addition, the rotor's mechanical stresses developed by high rotational speed are evaluated to ensure mechanical integrity. Finally, a prototype machine is developed for validation. Both the experimental and predicted results demonstrate that the proposed generator possesses distinct advantages over other systems, such as high efficiency, high power factor, and a simple and robust structure that offers a high degree of technology readiness.
Starting Page	1617
Ending Page	1624
File Size	2168028
Page Count	8
File Format	PDF
ISBN	9781424442515
DOI	10.1109/IEMDC.2009.5075420
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Permanent magnet motors Coils Power generation Electromagnetic analysis Magnetic analysis Magnetic flux Character generation Vehicles Mission critical systems
Content Type	Text
Resource Type	Article

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