Abstract
This paper deals with the optimal design of a shield plate in order to minimize ExtremelyLow-Frequency(ELF) magnetic fields generated from three-phase bus bars. Combining an evolutionary strategy with a 3D finite element analysis tool, the main dimensions of the shield plate are sought out. The optimization procedure consists of two separated design stages to take into account all foreseen structures of the plate. In the first stage, the basic dimensions of the plate are optimized including the distance between the plate and the bus bars. Then the usefulness of the additional structures such as a slit and fillet is investigated in the second stage. Finally the optimum design of the shield plate is suggested from the viewpoint of the shielding effectiveness and manufacturing cost.
| Original language | English |
|---|---|
| Pages (from-to) | 57-62 |
| Number of pages | 6 |
| Journal | Transactions of the Korean Institute of Electrical Engineers |
| Volume | 58 |
| Issue number | 1 |
| State | Published - Jan 2009 |
Keywords
- Evolutionary strategy
- Finite element method
- Magnetic shielding
- Optimization
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