Implementation of an Accurate Measurement Method for the Spatial Distribution of the Electromagnetic Field in a WPT System
In an inductive wireless power transfer (WPT) system, the transferred power depends on the coupling between the transmitter coil and the receiver coil and, consequently, on their spatial positioning with respect to each other. Since this positioning needs to be as flexible as possible, one can desig...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-05-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/13/9/5773 |
| _version_ | 1797602915166191616 |
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| author | Calin Petrascu Adrian Tulbure Vasile Topa |
| author_facet | Calin Petrascu Adrian Tulbure Vasile Topa |
| author_sort | Calin Petrascu |
| collection | DOAJ |
| description | In an inductive wireless power transfer (WPT) system, the transferred power depends on the coupling between the transmitter coil and the receiver coil and, consequently, on their spatial positioning with respect to each other. Since this positioning needs to be as flexible as possible, one can design various construction shapes for the coils, in terms of both winding geometry and core geometry. The system efficiency for different positionings and configurations can be assessed if the structure and distribution of the electromagnetic field (EMF) in the space close to the system are determined. In this context, this paper proposes an investigation method based on measuring the intensity of the electromagnetic field generated by the emitting coil in the WPT space in terms of both modulus and direction. The measurements needed to be performed at a sufficient number of points, so that the entire field was determined. The EMF value was estimated by linear spatial interpolation between the measured points. Moreover, this paper presents the method and the results of investigations carried out only in the presence of the emitting coil. Calibration or correction solutions were also proposed to obtain sufficient accuracy, and the viability of the method was therefore demonstrated. |
| first_indexed | 2024-03-11T04:23:16Z |
| format | Article |
| id | doaj.art-719b4bb8abe547f6aa95a9921a2a25cd |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-11T04:23:16Z |
| publishDate | 2023-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-719b4bb8abe547f6aa95a9921a2a25cd2023-11-17T22:38:36ZengMDPI AGApplied Sciences2076-34172023-05-01139577310.3390/app13095773Implementation of an Accurate Measurement Method for the Spatial Distribution of the Electromagnetic Field in a WPT SystemCalin Petrascu0Adrian Tulbure1Vasile Topa2Technical University of Cluj-Napoca, 400114 Cluj-Napoca, RomaniaDepartment of Informatics, Mathematics and Electronics, “1 Decembrie 1918” University of Alba Iulia, 510009 Alba Iulia, RomaniaElectrotechnics and Measurement Department, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, RomaniaIn an inductive wireless power transfer (WPT) system, the transferred power depends on the coupling between the transmitter coil and the receiver coil and, consequently, on their spatial positioning with respect to each other. Since this positioning needs to be as flexible as possible, one can design various construction shapes for the coils, in terms of both winding geometry and core geometry. The system efficiency for different positionings and configurations can be assessed if the structure and distribution of the electromagnetic field (EMF) in the space close to the system are determined. In this context, this paper proposes an investigation method based on measuring the intensity of the electromagnetic field generated by the emitting coil in the WPT space in terms of both modulus and direction. The measurements needed to be performed at a sufficient number of points, so that the entire field was determined. The EMF value was estimated by linear spatial interpolation between the measured points. Moreover, this paper presents the method and the results of investigations carried out only in the presence of the emitting coil. Calibration or correction solutions were also proposed to obtain sufficient accuracy, and the viability of the method was therefore demonstrated.https://www.mdpi.com/2076-3417/13/9/5773wireless power transfer systememitting coilelectromagnetic field intensityEMF distributioninvestigation methodcalibration solutions |
| spellingShingle | Calin Petrascu Adrian Tulbure Vasile Topa Implementation of an Accurate Measurement Method for the Spatial Distribution of the Electromagnetic Field in a WPT System Applied Sciences wireless power transfer system emitting coil electromagnetic field intensity EMF distribution investigation method calibration solutions |
| title | Implementation of an Accurate Measurement Method for the Spatial Distribution of the Electromagnetic Field in a WPT System |
| title_full | Implementation of an Accurate Measurement Method for the Spatial Distribution of the Electromagnetic Field in a WPT System |
| title_fullStr | Implementation of an Accurate Measurement Method for the Spatial Distribution of the Electromagnetic Field in a WPT System |
| title_full_unstemmed | Implementation of an Accurate Measurement Method for the Spatial Distribution of the Electromagnetic Field in a WPT System |
| title_short | Implementation of an Accurate Measurement Method for the Spatial Distribution of the Electromagnetic Field in a WPT System |
| title_sort | implementation of an accurate measurement method for the spatial distribution of the electromagnetic field in a wpt system |
| topic | wireless power transfer system emitting coil electromagnetic field intensity EMF distribution investigation method calibration solutions |
| url | https://www.mdpi.com/2076-3417/13/9/5773 |
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