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| Content Provider | IET Digital Library |
|---|---|
| Author | Wang, Zhenshi Wei, Xuezhe Dai, Haifeng |
| Abstract | Wireless power transfer is becoming more and more popular, especially for the charging design of electric vehicles. In this study, a novel nested three-layer optimisation method based on finite element model (FEM) is proposed to determine the structure of magnetic coils, which can increase the coupling coefficient, and hence, improve the transfer efficiency. The boundary conditions which consider practical situations for electric vehicles are first elaborated, then the optimisation flow is detailed and further analysed. Two magnetic coils are fabricated based on the optimised structure parameters, and their electric parameters, including self-inductances, mutual inductances as well as parasitic resistances, are measured and compared with those extracted from FEM, in addition, the magnetic flux densities around magnetic coils are also analysed. At last, a 3 kW prototype with 95% efficiency over a 20 cm transfer distance is achieved to validate this research results. |
| Starting Page | 2562 |
| Ending Page | 2570 |
| Page Count | 9 |
| ISSN | 17554535 |
| Volume Number | 9 |
| e-ISSN | 17554543 |
| Issue Number | Issue 13, Oct (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/9/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0840 |
| Journal | IET Power Electronics |
| Publisher Date | 2016-10-26 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Boundary Condition Coils Coupling Coefficient Electric Parameter Electric Vehicle Electric Vehicle Charging Design Energy Utilisation FEM Finite Element Analysis Finite Element Model General Transportation Inductors And Transformer Magnetic Coils Magnetic Flux Magnetic Flux Densities Mutual Inductances Nested Three-layer Optimisation Method Numerical Approximation And Analysis Optimisation Optimisation Flow Optimisation Technique Optimised Structure Parameter Parasitic Resistances Power 3 KW Radio Frequency Power Transmission Self-inductances Transfer Efficiency Improvement Transportation Vehicle-mounted Wireless Power Transfer System |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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