Acceleration Performance Optimization for Motors with Large Air Gaps

Philipp Karutz; Thomas Nussbaumer; Wolfgang Gruber; Johann W. Kolar

doi:10.1109/tie.2009.2026376

Acceleration Performance Optimization for Motors with Large Air Gaps

Philipp Karutz, Thomas Nussbaumer, Wolfgang Gruber, Johann W. Kolar

Institute of Electrical Drives and Power Electronics

Research output: Contribution to journal › Article › peer-review

Abstract

This paper presents an optimization-procedure yielding for minimal acceleration times for different speed ranges using the example of a magnetically levitated slice motor with a large air gap. The optimization is based on a set of analytical equations together with selected 3-D finite element method simulations with the aim to optimize both the stator geometry and the number of drive turns. It is shown that the use of 3-D instead of 2-D simulation tools is obligatory for motors with large air gaps for achieving sufficient simulation accuracy. The relevant equations for the optimization are derived, and the accuracy of the proposed method is verified by measurements on a prototype system.

Original language	English
Pages (from-to)	52-60
Number of pages	9
Journal	IEEE Transactions on Industrial Electronics
Volume	57
Issue number	1
DOIs	https://doi.org/10.1109/tie.2009.2026376
Publication status	Published - Jan 2010

Fields of science

202 Electrical Engineering, Electronics, Information Engineering
202009 Electrical drive engineering
202011 Electrical machines
202025 Power electronics
202027 Mechatronics

JKU Focus areas

Mechatronics and Information Processing

Access to Document

10.1109/tie.2009.2026376

Cite this

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title = "Acceleration Performance Optimization for Motors with Large Air Gaps",

abstract = "This paper presents an optimization-procedure yielding for minimal acceleration times for different speed ranges using the example of a magnetically levitated slice motor with a large air gap. The optimization is based on a set of analytical equations together with selected 3-D finite element method simulations with the aim to optimize both the stator geometry and the number of drive turns. It is shown that the use of 3-D instead of 2-D simulation tools is obligatory for motors with large air gaps for achieving sufficient simulation accuracy. The relevant equations for the optimization are derived, and the accuracy of the proposed method is verified by measurements on a prototype system.",

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