Unbalanced magnetic pull induced by arbitrary eccentric motion of cage rotor in transient operation. Part 1: Analytical model

Timo Holopainen; Asmo Tenhunen; Erkki Lantto; Antero Arkkio

doi:10.1007/s00202-004-0257-z

Unbalanced magnetic pull induced by arbitrary eccentric motion of cage rotor in transient operation. Part 1: Analytical model

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

VTT Technical Research Centre of Finland

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

37 Citations (Scopus)

Abstract

Eccentric rotor motion of an electric motor induces an unbalanced magnetic pull. This eccentricity force may couple the electromagnetic system with the flexural vibration modes of the shaft. This paper presents an analytic model for this eccentricity force allowing an arbitrary rotor motion and transient operation. The general equations were simplified for the constant flux and steady-state operation. These simplified equations correspond well to the results presented earlier.

Original language	English
Pages (from-to)	13-24
Journal	Electrical Engineering
Volume	88
Issue number	1
DOIs	https://doi.org/10.1007/s00202-004-0257-z
Publication status	Published - 2005
MoE publication type	A1 Journal article-refereed

Keywords

analytical methods
eccentric rotor
induction motors
mathematical models
unbalanced magnetic pull

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10.1007/s00202-004-0257-z

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title = "Unbalanced magnetic pull induced by arbitrary eccentric motion of cage rotor in transient operation. Part 1: Analytical model",

abstract = "Eccentric rotor motion of an electric motor induces an unbalanced magnetic pull. This eccentricity force may couple the electromagnetic system with the flexural vibration modes of the shaft. This paper presents an analytic model for this eccentricity force allowing an arbitrary rotor motion and transient operation. The general equations were simplified for the constant flux and steady-state operation. These simplified equations correspond well to the results presented earlier.",

keywords = "analytical methods, eccentric rotor, induction motors, mathematical models, unbalanced magnetic pull",

author = "Timo Holopainen and Asmo Tenhunen and Erkki Lantto and Antero Arkkio",

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year = "2005",

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T1 - Unbalanced magnetic pull induced by arbitrary eccentric motion of cage rotor in transient operation. Part 1

T2 - Analytical model

AU - Holopainen, Timo

AU - Tenhunen, Asmo

AU - Lantto, Erkki

AU - Arkkio, Antero

N1 - Project code: V1SU00856

PY - 2005

Y1 - 2005

N2 - Eccentric rotor motion of an electric motor induces an unbalanced magnetic pull. This eccentricity force may couple the electromagnetic system with the flexural vibration modes of the shaft. This paper presents an analytic model for this eccentricity force allowing an arbitrary rotor motion and transient operation. The general equations were simplified for the constant flux and steady-state operation. These simplified equations correspond well to the results presented earlier.

AB - Eccentric rotor motion of an electric motor induces an unbalanced magnetic pull. This eccentricity force may couple the electromagnetic system with the flexural vibration modes of the shaft. This paper presents an analytic model for this eccentricity force allowing an arbitrary rotor motion and transient operation. The general equations were simplified for the constant flux and steady-state operation. These simplified equations correspond well to the results presented earlier.

KW - analytical methods

KW - eccentric rotor

KW - induction motors

KW - mathematical models

KW - unbalanced magnetic pull

U2 - 10.1007/s00202-004-0257-z

DO - 10.1007/s00202-004-0257-z

M3 - Article

SN - 0948-7921

VL - 88

SP - 13

EP - 24

JO - Electrical Engineering

JF - Electrical Engineering

IS - 1

ER -

Unbalanced magnetic pull induced by arbitrary eccentric motion of cage rotor in transient operation. Part 1: Analytical model

Abstract

Keywords

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