Unbalanced magnetic pull induced by arbitrary eccentric motion of cage rotor in transient operation. Part 2: Verification and numerical parameter estimation

Timo Holopainen; Asmo Tenhunen; Erkki Lantto; Antero Arkkio

doi:10.1007/s00202-004-0258-y

Unbalanced magnetic pull induced by arbitrary eccentric motion of cage rotor in transient operation. Part 2: Verification and numerical parameter estimation

Timo Holopainen (Corresponding Author), Asmo Tenhunen, Erkki Lantto, Antero Arkkio

VTT Technical Research Centre of Finland

Research output: Contribution to journal › Article

8 Citations (Scopus)

Abstract

Eccentric rotor motion of an electric motor induces an unbalanced magnetic pull. This eccentricity force can be described using a simple parametric model with physical parameters. This model allows an arbitrary rotor motion and transient operation. This paper presents an effective method to estimate the parameters from simulation results of electromagnetic fields. Further, the numerical results verify the form of the proposed parametric model in steady-state operation.

Original language	English
Pages (from-to)	25-34
Journal	Electrical Engineering
Volume	88
Issue number	1
DOIs	https://doi.org/10.1007/s00202-004-0258-y
Publication status	Published - 2005
MoE publication type	A1 Journal article-refereed

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Keywords

eccentric rotor
finite-element method
induction motors
parameter estimation techniques
unbalanced magnetic pull

Cite this

Holopainen, T., Tenhunen, A., Lantto, E., & Arkkio, A. (2005). Unbalanced magnetic pull induced by arbitrary eccentric motion of cage rotor in transient operation. Part 2: Verification and numerical parameter estimation. Electrical Engineering, 88(1), 25-34. https://doi.org/10.1007/s00202-004-0258-y

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abstract = "Eccentric rotor motion of an electric motor induces an unbalanced magnetic pull. This eccentricity force can be described using a simple parametric model with physical parameters. This model allows an arbitrary rotor motion and transient operation. This paper presents an effective method to estimate the parameters from simulation results of electromagnetic fields. Further, the numerical results verify the form of the proposed parametric model in steady-state operation.",

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AU - Lantto, Erkki

AU - Arkkio, Antero

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KW - eccentric rotor

KW - finite-element method

KW - induction motors

KW - parameter estimation techniques

KW - unbalanced magnetic pull

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Access to Document

10.1007/s00202-004-0258-y