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| Content Provider | IET Digital Library |
|---|---|
| Author | Kim, D. H. Park, Y. J. |
| Abstract | An effective calculation method for AC resistance and the inductance of planar rectangular spiral coils is proposed. For the calculation, a volume filament model and its equivalent circuit are provided. By using the method, AC resistance and inductance are calculated accurately in megahertz frequency range by including both skin and proximity effects. The method is verified with experiments and used to optimise rectangular spiral coils for the maximum quality factor (Q-factor) at 6.78 MHz. A small planar rectangular coil is shown to have the maximum Q-factor when the width of the innermost coil loop is about a half of that of the outermost coil loop. |
| Starting Page | 1321 |
| Ending Page | 1323 |
| Page Count | 3 |
| ISSN | 00135194 |
| Volume Number | 52 |
| e-ISSN | 1350911X |
| Issue Number | Issue 15, Jul (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/52/15 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2016.0696 |
| Journal | Electronics Letters |
| Publisher Date | 2016-06-17 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | AC Resistance Coil Loop Coils Equivalent Circuit Frequency 6.78 MHz Inductance Inductive Power Transmission Inductors And Transformer Magnetic-coupled Wireless Power Transfer System Maximum Quality Factor Megahertz Frequency Range Planar Rectangular Spiral Coils Proximity Effect Q Factor Radio Frequency Power Transmission Skin Effect Volume Filament Model |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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