A Misalignment Tolerate Integrated S-S-S-Compensated WPT System with Constant Current Output
This paper proposes a cooperative (Cx) coil design for the series-series-series (S-S-S)-compensated wireless power transfer (WPT) system to improve the horizontal misalignment tolerance and the system efficiency. The Cx coil is formed by four series-connected rectangular coils and integrated into th...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-03-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/16/6/2798 |
| _version_ | 1797612074932633600 |
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| author | Zhaoyang Yuan Qingxin Yang Xian Zhang Xianjie Ma Ran Wang Ming Xue Pengcheng Zhang |
| author_facet | Zhaoyang Yuan Qingxin Yang Xian Zhang Xianjie Ma Ran Wang Ming Xue Pengcheng Zhang |
| author_sort | Zhaoyang Yuan |
| collection | DOAJ |
| description | This paper proposes a cooperative (Cx) coil design for the series-series-series (S-S-S)-compensated wireless power transfer (WPT) system to improve the horizontal misalignment tolerance and the system efficiency. The Cx coil is formed by four series-connected rectangular coils and integrated into the transmitter (Tx) coil to provide a coupling variation opposite to that of the Tx coil, obtaining the constant equivalent mutual inductance (MI). The design overcomes the problem that the decoupling-designed intermediate coil does not participate in system energy delivery under the well-aligned condition. A misalignment tolerant design with the zero-phase-angle (ZPA) input and load-independent constant current (CC) output conditions is presented based on the Delta-Wye network transform and linear regression. A comparison between the proposed design and a two-coil system using a similar amount of copper, i.e., the Tx coil plus the Cx coil, is made. Finally, a 218.08 W/85.85 kHz scaled-down prototype with the proposed Cx coil is demonstrated to validate the performance and effectiveness of the design. The proposed design can maintain at over 82% efficiency, and offer the ZPA input and load-independent CC output within a misalignment tolerant range of 50% of the length of the receiver coil, as the load varies from 10 <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi mathvariant="sans-serif">Ω</mi></semantics></math></inline-formula> to 25 <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi mathvariant="sans-serif">Ω</mi></semantics></math></inline-formula>. |
| first_indexed | 2024-03-11T06:37:13Z |
| format | Article |
| id | doaj.art-bb545b26113c439c8236ea6cf4e1add2 |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-11T06:37:13Z |
| publishDate | 2023-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-bb545b26113c439c8236ea6cf4e1add22023-11-17T10:51:07ZengMDPI AGEnergies1996-10732023-03-01166279810.3390/en16062798A Misalignment Tolerate Integrated S-S-S-Compensated WPT System with Constant Current OutputZhaoyang Yuan0Qingxin Yang1Xian Zhang2Xianjie Ma3Ran Wang4Ming Xue5Pengcheng Zhang6State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, ChinaTianjin Key Laboratory of New Energy Power Conversion, Transmission and Intelligent Control, Tianjin University of Technology, Tianjin 300384, ChinaState Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, ChinaState Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, ChinaState Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, ChinaState Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, ChinaDepartment of Electrical Engineering, State Key Laboratory of Power System, Tsinghua University, Beijing 100083, ChinaThis paper proposes a cooperative (Cx) coil design for the series-series-series (S-S-S)-compensated wireless power transfer (WPT) system to improve the horizontal misalignment tolerance and the system efficiency. The Cx coil is formed by four series-connected rectangular coils and integrated into the transmitter (Tx) coil to provide a coupling variation opposite to that of the Tx coil, obtaining the constant equivalent mutual inductance (MI). The design overcomes the problem that the decoupling-designed intermediate coil does not participate in system energy delivery under the well-aligned condition. A misalignment tolerant design with the zero-phase-angle (ZPA) input and load-independent constant current (CC) output conditions is presented based on the Delta-Wye network transform and linear regression. A comparison between the proposed design and a two-coil system using a similar amount of copper, i.e., the Tx coil plus the Cx coil, is made. Finally, a 218.08 W/85.85 kHz scaled-down prototype with the proposed Cx coil is demonstrated to validate the performance and effectiveness of the design. The proposed design can maintain at over 82% efficiency, and offer the ZPA input and load-independent CC output within a misalignment tolerant range of 50% of the length of the receiver coil, as the load varies from 10 <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi mathvariant="sans-serif">Ω</mi></semantics></math></inline-formula> to 25 <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi mathvariant="sans-serif">Ω</mi></semantics></math></inline-formula>.https://www.mdpi.com/1996-1073/16/6/2798wireless power transfer (WPT)cooperative coilmisalignment toleranceconstant current (CC) output |
| spellingShingle | Zhaoyang Yuan Qingxin Yang Xian Zhang Xianjie Ma Ran Wang Ming Xue Pengcheng Zhang A Misalignment Tolerate Integrated S-S-S-Compensated WPT System with Constant Current Output Energies wireless power transfer (WPT) cooperative coil misalignment tolerance constant current (CC) output |
| title | A Misalignment Tolerate Integrated S-S-S-Compensated WPT System with Constant Current Output |
| title_full | A Misalignment Tolerate Integrated S-S-S-Compensated WPT System with Constant Current Output |
| title_fullStr | A Misalignment Tolerate Integrated S-S-S-Compensated WPT System with Constant Current Output |
| title_full_unstemmed | A Misalignment Tolerate Integrated S-S-S-Compensated WPT System with Constant Current Output |
| title_short | A Misalignment Tolerate Integrated S-S-S-Compensated WPT System with Constant Current Output |
| title_sort | misalignment tolerate integrated s s s compensated wpt system with constant current output |
| topic | wireless power transfer (WPT) cooperative coil misalignment tolerance constant current (CC) output |
| url | https://www.mdpi.com/1996-1073/16/6/2798 |
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