Experimental characterization of slinky-laminated core and iron loss analysis of electric machine
- Authors
- Lim, Myung Seop; Kim, J.; Hong, J.
- Issue Date
- Jul-2015
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Citation
- 2015 IEEE International Magnetics Conference, INTERMAG 2015, pp.1 - 1
- Indexed
- SCOPUS
- Journal Title
- 2015 IEEE International Magnetics Conference, INTERMAG 2015
- Start Page
- 1
- End Page
- 1
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156905
- DOI
- 10.1109/INTMAG.2015.7156833
- ISSN
- 0000-0000
- Abstract
- The manufacturing of the magnetic parts of electrical machines requires several industrial processes. These may have effects on the magnetic properties of the material, especially in terms of iron losses [1]-[3]. With the development of the manufacturing technique and production machines, the slinky lamination method is now being used to significantly reduce the material waste [4]. For this process, a long iron band is rolled up in a spiral way and is bonded [1]. Thus, stresses (compressive and tensile) and strain occur simultaneously in the core. As a result, the magnetic properties are deteriorated, and it is hard to estimate the deteriorated properties of the slinky-laminated material. There have been several studies on the influence of stress on the magnetic properties [5]-[7]. In these studies, the deteriorated magnetic properties caused by shrink fitting were investigated. Only the impact of the compressive stress was examined, however, and this was done through a test using laminated specimens. This cannot be considered suitable for accurately analyzing the iron loss of the slinky-laminated core in electrical machines.
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