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Magnetic Equivalent Circuit Modeling of Induction Machines Design-Oriented Approach with Extension to 3-D

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2 Author(s)
Amrhein, M. ; Univ. of Illinois at Urbana-Champaign, Urbana ; Krein, P.T.

Advances in power electronics technology, materials, and changing application requirements are driving advances in electric machines. But induction machines are not often considered for new design possibilities. One reason is that computer-aided design tools for induction machines are not readily available. Analytical and finite element models have significant disadvantages that limit their effectiveness for induction machine design. This paper presents a magnetic equivalent circuit modeling approach that is geared towards design. Magnetic equivalent circuits are flexible in terms of size and accuracy, have moderate computational complexity, and are easily parameterized. They can be extended readily to three-dimensional analysis. Comparisons with results from finite element models and measurements indicate that magnetic equivalent circuits, corrected for local saturation, are a promising option for a design tool.

Published in:

Electric Machines & Drives Conference, 2007. IEMDC '07. IEEE International  (Volume:2 )

Date of Conference:

3-5 May 2007