Abstract
In order to study the distribution and characteristics of magnetic radiation around a Flyback power supply, an easy induced voltage calculation method of near field magnetic radiation is proposed. After building up a high frequency circuit simulation model, resonant phenomenon among parasitic inductors and capacitors in main circuit and its impaction on magnetic radiation were analyzed and verified by experiment. The simple induced voltage calculation method of near field magnetic radiation was deduced. Several magnetic radiation control methods, such as metal ground mirror plane, shielding method, were proposed. The validity and correctness of the novel are verified by simulation and experiment results.
| Original language | English |
|---|---|
| Pages (from-to) | 21-25+31 |
| Journal | Dianji yu Kongzhi Xuebao/Electric Machines and Control |
| Volume | 14 |
| Issue number | 10 |
| State | Published - Oct 2010 |
| Externally published | Yes |
Keywords
- Magnetic field analysis
- Radiation prediction
- Radiation suppression
- Switch mode power supply
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