Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates
Wireless power transfer (WPT) is greatly affected when the transmission channel is surrounded by non-ferromagnetic metallic objects and the alternating magnetic field interacts with the metal conductor, which is more of an issue in wirelessly charged electric vehicle (EV) applications. This paper an...
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| Format: | Article |
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MDPI AG
2016-07-01
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| Series: | Energies |
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| Online Access: | http://www.mdpi.com/1996-1073/9/8/576 |
| _version_ | 1811184999193378816 |
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| author | Linlin Tan Jiacheng Li Chen Chen Changxin Yan Jinpeng Guo Xueliang Huang |
| author_facet | Linlin Tan Jiacheng Li Chen Chen Changxin Yan Jinpeng Guo Xueliang Huang |
| author_sort | Linlin Tan |
| collection | DOAJ |
| description | Wireless power transfer (WPT) is greatly affected when the transmission channel is surrounded by non-ferromagnetic metallic objects and the alternating magnetic field interacts with the metal conductor, which is more of an issue in wirelessly charged electric vehicle (EV) applications. This paper analyses the performances of a WPT system in an environment with a non-ferromagnetic metal plate. The impedance model of the WPT system in the metal environment is established. Moreover the variation law of a coil’s equivalent inductance and resistance is deduced when the coil is surrounded by the non-ferromagnetic metal plate. Meanwhile, simulations, theory and experiments all confirm that the model is correct. Finally, since the system performance of a wireless charging system is influenced by non-ferromagnetic metals, this paper puts forward a method to improve the performance, that is, to place ferrite cores between the receiving coil and a metal plate. Experiments are carried out to verify the method, and the desired results are achieved. |
| first_indexed | 2024-04-11T13:23:04Z |
| format | Article |
| id | doaj.art-ff9183cb0fe4451d91f420247a96b064 |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T13:23:04Z |
| publishDate | 2016-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-ff9183cb0fe4451d91f420247a96b0642022-12-22T04:22:10ZengMDPI AGEnergies1996-10732016-07-019857610.3390/en9080576en9080576Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal PlatesLinlin Tan0Jiacheng Li1Chen Chen2Changxin Yan3Jinpeng Guo4Xueliang Huang5Department of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, ChinaDepartment of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, ChinaDepartment of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, ChinaDepartment of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, ChinaDepartment of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, ChinaDepartment of Electrical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, ChinaWireless power transfer (WPT) is greatly affected when the transmission channel is surrounded by non-ferromagnetic metallic objects and the alternating magnetic field interacts with the metal conductor, which is more of an issue in wirelessly charged electric vehicle (EV) applications. This paper analyses the performances of a WPT system in an environment with a non-ferromagnetic metal plate. The impedance model of the WPT system in the metal environment is established. Moreover the variation law of a coil’s equivalent inductance and resistance is deduced when the coil is surrounded by the non-ferromagnetic metal plate. Meanwhile, simulations, theory and experiments all confirm that the model is correct. Finally, since the system performance of a wireless charging system is influenced by non-ferromagnetic metals, this paper puts forward a method to improve the performance, that is, to place ferrite cores between the receiving coil and a metal plate. Experiments are carried out to verify the method, and the desired results are achieved.http://www.mdpi.com/1996-1073/9/8/576wireless power transferresonatormetalimpedance modelferrite cores |
| spellingShingle | Linlin Tan Jiacheng Li Chen Chen Changxin Yan Jinpeng Guo Xueliang Huang Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates Energies wireless power transfer resonator metal impedance model ferrite cores |
| title | Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates |
| title_full | Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates |
| title_fullStr | Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates |
| title_full_unstemmed | Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates |
| title_short | Analysis and Performance Improvement of WPT Systems in the Environment of Single Non-Ferromagnetic Metal Plates |
| title_sort | analysis and performance improvement of wpt systems in the environment of single non ferromagnetic metal plates |
| topic | wireless power transfer resonator metal impedance model ferrite cores |
| url | http://www.mdpi.com/1996-1073/9/8/576 |
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