Abstract
How to design and optimize the electromagnetic coils reasonably is one of the key questions that need to be solved when design a wireless power transmission system. In this paper, a direct field-circuit coupling model is proposed. The overall trend of magnetic field in space and electrical parameters in circuits are simulated so that guiding principles about coil design are obtained. Then according to the characteristics of high power electromagnetic resonant coupling system, coils with different structures are designed, simulated and validated by experiments. It is shown that disc shaped parallel winding coil has a lower inductance and a higher resonant frequency than the other two types. And it is more suitable working as the transmitting coil form that magnetic field strength is higher on the central axis direction and radial direction. Meantime, the blindness of design and test can be avoided by using the method.
| Original language | English |
|---|---|
| Pages (from-to) | 12-18 |
| Number of pages | 7 |
| Journal | Diangong Jishu Xuebao/Transactions of China Electrotechnical Society |
| Volume | 28 |
| Issue number | 10 |
| State | Published - Oct 2013 |
| Externally published | Yes |
Keywords
- Disc shaped parallel winding coil
- Field-circuit coupling
- Transmitting coil
- Wireless power transmission
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