Permanent-magnet machines with powdered iron cores and prepressed windings

被引:127
作者
Jack, AG [1 ]
Mecrow, BC
Dickinson, PG
Stephenson, D
Burdess, JS
Fawcett, N
Evans, JT
机构
[1] Newcastle Univ, Dept Elect & Elect Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[2] Newcastle Univ, Dept Mech Mat & Mfg Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
关键词
permanent magnet; powdered iron; soft magnetic composite;
D O I
10.1109/28.855963
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper presents a permanent-magnet servo motor, built with a powdered iron stator, which has been designed to take full advantage of the properties of the material. There are a number of important design features which are not possible with laminated cores. For example, the core back is axially extended over the end windings, the armature core components are subdivided and preformed stator coils are used. The coils are prepressed to form a solid component with an exceptionally high fill factor (78%). The prototype offers far superior performance to a conventionally laminated commercial machine, manufactured in the same frame.
引用
收藏
页码:1077 / 1084
页数:8
相关论文
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