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New manufacturing methods for electric motors using different soft magnetic material combinations

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Author

Editor

  • I Hahn

Summary, in English

This paper presents the manufacturing experience of an outer rotor permanent magnet synchronous machine with four different stators. The advantageous features of powder technology and molding techniques are tested when constructing and manufacturing the stators for a 28-pole 30-slot machine. The selected machine configuration is taking advantages of the concept of the modular windings and at the same time facing the challenges of undemanding winding production, which is suitable for injection and rotation molded magnetic cores. The geometric tolerances of the modular winding segments and the requirements for the electric insulation system have the main influence on the selection of alternatives methods for manufacturing powdered magnetic cores. The tight connection between the material engineering, research on the production techniques and the modeling of energy conversion processes have positively influenced the machine design towards improved electromagnetic and thermal characteristics of the product. The main outcomes of the manufacturing methods and electromagnetic design are discussed when combining the modular windings together with compression and molded soft magnetic composite powders.

Publishing year

2012

Language

English

Pages

366-372

Publication/Series

[Host publication title missing]

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Materials Engineering
  • Other Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Manufacturing
  • molding
  • permanent magnet machines
  • soft magnetic materials
  • soft magnetic moldable composite
  • modular windings

Conference name

2nd International Electric Drive Production Conference (E|DPC), 2012

Conference date

2012-10-15 - 2012-10-18

Conference place

Nuremberg, Germany

Status

Published

ISBN/ISSN/Other

  • ISBN: 978-1-4673-3006-0