Parasitic Currents in Stray Paths of Some Topologies of YASA AFPM Machines: Trend With Machine Size

被引：31
作者：
Di Gerlando, Antonino [1 ]
Foglia, Giovanni Maria [1 ]
Iacchetti, Matteo Felice [2 ]
Perini, Roberto [1 ]
机构：
[1] Politecn Milan, Dept Energy, I-20156 Milan, Italy
[2] Univ Manchester, Sch Elect & Elect Engn, Manchester M13 9PL, Lancs, England
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2016年 / 63卷 / 05期
关键词：
Axial flux machines; parasitic current paths due to fixing frame structure; permanent-magnet (PM) machines; yokeless and segmented armature (YASA) machines; PERMANENT-MAGNET MACHINE; SYNCHRONOUS GENERATOR; STATOR; DESIGN;
D O I：
10.1109/TIE.2015.2511086
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In some topologies of yokeless and segmented armature (YASA) axial flux permanent-magnet (AFPM) machines, the particular frame structure required to fasten floating teeth can originate stray paths where parasitic currents may circulate. This paper investigates how the amplitude of these currents and the related additional Joule losses depend on the machine size. Reference is made to wind energy generators, rated from some tens of kilowatts up to a few megawatts. The developed model is mainly based on wind turbine basic data of vendor data sheets, and on the quantities evaluated and tested in two YASA AFPM prototypes, rated 50 and 200 kW.
引用
收藏
页码：2746 / 2756
页数：11
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