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本帖最后由 lanjeo 于 2015-4-29 11:07 编辑
Abstract—Electric drive systems, which include electric machines and power electronics, are a key enabling technology for
advanced vehicle propulsion systems that reduce the petroleum
dependence of the ground transportation sector. To have significant effect, electric drive technologies must be economical in terms
of cost, weight, and size while meeting performance and reliability
expectations. This paper will provide details of the design, analysis, and testing of two permanent magnet (PM) machines that were
developed to meet the FreedomCar 2020 specifications. The first
machine is an interior PM (IPM) machine and the second machine
is a surface PM (SPM) machine. Both machines are equipped with
fractional-slot concentrated windings (FSCW). The goal of this paper is to provide a quantitative assessment of how achievable this
set of specifications is, as well as a comparison with the state of
the art. This paper will also quantitatively highlight the tradeoffs
between IPM and SPM FSCW machines especially in the context
of traction applications.
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