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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Du, Y. Mingli Chen |
| Copyright Year | 2015 |
| Description | Author affiliation: Hong Kong Polytech. Univ., Kowloon, China (Du, Y.; Mingli Chen) |
| Abstract | Magnetic shielding is an effective means to reduce low-frequency magnetic fields emitted from power cables and busbars. However, shielding against unbalanced currents has not been addressed well. This paper introduces equivalent magnetic dipoles for discussing magnetic shielding under a monopole current source. It is found that shielding is achieved by the cancellation of magnetic fields from both equivalent dipoles and the source monopole. However, the performance is not satisfactory because of a fast decaying rate of distance in the equivalent dipoles. To improve shielding performance under an unbalanced current source, it is recommended using either highly-permeable plates or multiple highly-conductive and electrically-connected plates. |
| Starting Page | 299 |
| Ending Page | 303 |
| File Size | 1138835 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781467394444 |
| e-ISBN | 9781467394451 |
| DOI | 10.1109/CEEM.2015.7368690 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-11-04 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnetic noise Magnetic shielding Magnetic resonance imaging Yttrium Lead power frequency magnetic field shielding plate |
| Content Type | Text |
| Resource Type | Article |
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