Abstract
An electric current produces a magnetic field around a current lead, which attracts or repels other current leads. The electromagnetic forces interacting between current leads show different tendencies according to the arrangement of the current leads on the top flange of the cryostat and the distances between them. In the case of high-current electric power devices or high-field magnets, the optimal arrangement of the current leads that can minimize the electromagnetic force acting on them is one of the safety issues to be considered. In this paper, the electromagnetic forces exerted on current leads were examined theoretically. The results were confirmed by measuring the strain variations of the current leads using a strain gauge to determine the influence of the electrical and geometrical parameters. From these results, the optimal arrangement method is discussed with three pairs of current leads particularly for high-current electric power devices or high-field magnet applications.
| Original language | English |
|---|---|
| Article number | 5422833 |
| Pages (from-to) | 1741-1746 |
| Number of pages | 6 |
| Journal | IEEE Transactions on Applied Superconductivity |
| Volume | 20 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2010 Jun 1 |
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Keywords
- Current lead
- Electromagnetic force
- High-current electrical power device
- High-field magnet application
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Condensed Matter Physics
- Electronic, Optical and Magnetic Materials
Cite this
Optimal arrangement of current leads to minimize electromagnetic force. / Lee, J. H.; Song, J. B.; Kim, K. L.; Kim, K. J.; Kim, M. J.; Chang, H. M.; Lee, Haigun.
In: IEEE Transactions on Applied Superconductivity, Vol. 20, No. 3, 5422833, 01.06.2010, p. 1741-1746.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Optimal arrangement of current leads to minimize electromagnetic force
AU - Lee, J. H.
AU - Song, J. B.
AU - Kim, K. L.
AU - Kim, K. J.
AU - Kim, M. J.
AU - Chang, H. M.
AU - Lee, Haigun
PY - 2010/6/1
Y1 - 2010/6/1
N2 - An electric current produces a magnetic field around a current lead, which attracts or repels other current leads. The electromagnetic forces interacting between current leads show different tendencies according to the arrangement of the current leads on the top flange of the cryostat and the distances between them. In the case of high-current electric power devices or high-field magnets, the optimal arrangement of the current leads that can minimize the electromagnetic force acting on them is one of the safety issues to be considered. In this paper, the electromagnetic forces exerted on current leads were examined theoretically. The results were confirmed by measuring the strain variations of the current leads using a strain gauge to determine the influence of the electrical and geometrical parameters. From these results, the optimal arrangement method is discussed with three pairs of current leads particularly for high-current electric power devices or high-field magnet applications.
AB - An electric current produces a magnetic field around a current lead, which attracts or repels other current leads. The electromagnetic forces interacting between current leads show different tendencies according to the arrangement of the current leads on the top flange of the cryostat and the distances between them. In the case of high-current electric power devices or high-field magnets, the optimal arrangement of the current leads that can minimize the electromagnetic force acting on them is one of the safety issues to be considered. In this paper, the electromagnetic forces exerted on current leads were examined theoretically. The results were confirmed by measuring the strain variations of the current leads using a strain gauge to determine the influence of the electrical and geometrical parameters. From these results, the optimal arrangement method is discussed with three pairs of current leads particularly for high-current electric power devices or high-field magnet applications.
KW - Current lead
KW - Electromagnetic force
KW - High-current electrical power device
KW - High-field magnet application
UR - http://www.scopus.com/inward/record.url?scp=77952950602&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=77952950602&partnerID=8YFLogxK
U2 - 10.1109/TASC.2010.2040956
DO - 10.1109/TASC.2010.2040956
M3 - Article
AN - SCOPUS:77952950602
VL - 20
SP - 1741
EP - 1746
JO - IEEE Transactions on Applied Superconductivity
JF - IEEE Transactions on Applied Superconductivity
SN - 1051-8223
IS - 3
M1 - 5422833
ER -