Modal analysis of magnetic vibration of induction motor used in household appliances

Issue title: Selected papers from the International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering ISEF 2019

Guest editors: Paolo Di Barba, Maria Evelina Mognaschi and Sławomir Wiak

Article type: Research Article

Authors: Witczak, Pawel^a; | Kubiak, Witold^a | Szulakowski, Jacek^a

Affiliations: [a] Institute of Mechatronics and Information Systems, Lodz University of Technology, Lodz, Poland

Correspondence: [*] Corresponding author: Pawel Witczak, Institute of Mechatronics and Information Systems, Lodz University of Technology, Stefanowskiego 18/22, 90-924 Lodz, Poland. Tel.: +48 42 631 2580; E-mail: pawel.witczak@p.lodz.pl

Abstract: The paper deals with analysis of vibrational behavior of induction motor using the combined approach linking the finite elements method (FEM) applied to modelling of magnetic and mechanical phenomena in the motor with its modal description in spectral domain. Results of investigations presented in this paper proved that relatively small rotor axis misalignment against stator leads to visible vibration if forces resulted from this effect have frequency close to rotor bending resonance. Paper contains a rigorous description of all steps in analysis with a special attention paid to details of numerical approach both in FEM and in spectral consideration. Results of theoretical investigations were confirmed by measurements.

Keywords: Induction motor, vibration, finite elements, spectral analysis

DOI: 10.3233/JAE-209509

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 64, no. S1, pp. S115-S130, 2020