Method for Analyzing Vibrations Due to Electromagnetic Force in Electric Motors
- Authors
- Jang, Ik-Sang; Ham, Sang-Hwan; Kim, Won-Ho; Jin, Chang-Sung; Cho, Su-Yeon; Lee, Ki-Doek; Lee, Jae-Jun; Kang, Dongwoo; Lee, Ju
- Issue Date
- Feb-2014
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- AC machines; electric machines; electromagnetic analysis; electromagnetic forces; vibrations
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.50, no.2, pp.1 - 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 50
- Number
- 2
- Start Page
- 1
- End Page
- 4
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160747
- DOI
- 10.1109/TMAG.2013.2280954
- ISSN
- 0018-9464
- Abstract
- In this paper, a method for predicting vibrations due to an electromagnetic force from among the other types of vibrations that occur in an electric motor is proposed. Among electromagnetic forces, the forces applied in the radial direction were separated into their spatial and temporal harmonic components for developing the vibration-prediction method. Each separated radial force densities acts as a vibration source and generates vibrations combined with the mechanical characteristics of the motor. The separation of vibration sources makes it possible to predict the magnitude of the vibration velocity occurring in the motor. This enables optimal motor design considering vibration. To this end, a description explaining the characteristics of electromagnetic vibrations that occur in an eight-pole nine-slot permanent magnet synchronous motor has been provided in this paper as an example. In addition, the proposed method was verified by comparing the obtained vibration velocity with that obtained through electromagnetic-vibration coupled analysis.
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