A Self-Compensated Planar Coil With Integrated Single-Switch Regulator for Wireless Power Transfer (WPT) Systems
In the receiver-side (R X ) of the wireless power transfer (WPT) system, the R X is composed of compensation capacitors, a rectifier stage, and a dc/dc stage. Among them, the compensation capacitors are an essential component to minimize reactive power. Also, the dc/dc stage is an inevitable compone...
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| Veröffentlicht in: | IEEE transactions on power electronics 2021-10, Vol.36 (10), p.10954-10958 |
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| creator | Lee, Young-Dal Kim, Keon-Woo Moon, Gun-Woo |
| description | In the receiver-side (R X ) of the wireless power transfer (WPT) system, the R X is composed of compensation capacitors, a rectifier stage, and a dc/dc stage. Among them, the compensation capacitors are an essential component to minimize reactive power. Also, the dc/dc stage is an inevitable component to supply a stable output to the battery. However, to meet these aforementioned unavoidable requirements, a large number of components are required in R X of the WPT system, which increases the overall system size and cost. To relieve these drawbacks, a self-compensated planar coil with integrated single-switch regulator for the WPT system is proposed in this letter. The proposed converter can remove the many number of compensation capacitors by utilizing the intrinsic capacitance between adjacent layers of the planar coil as a self-compensated factor. Moreover, by integrating a single-switch into the rectifier stage, it is possible to supply a stable output to the battery with only a single power stage and low cost. Besides, the proposed structure can obtain reduced switching loss by securing the soft-switching operation under the rated load condition. The effectiveness of the proposed structure is verified experimentally by a prototype under 150 V DC input and 60 W/33 V output. |
| doi_str_mv | 10.1109/TPEL.2021.3066413 |
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Among them, the compensation capacitors are an essential component to minimize reactive power. Also, the dc/dc stage is an inevitable component to supply a stable output to the battery. However, to meet these aforementioned unavoidable requirements, a large number of components are required in R X of the WPT system, which increases the overall system size and cost. To relieve these drawbacks, a self-compensated planar coil with integrated single-switch regulator for the WPT system is proposed in this letter. The proposed converter can remove the many number of compensation capacitors by utilizing the intrinsic capacitance between adjacent layers of the planar coil as a self-compensated factor. Moreover, by integrating a single-switch into the rectifier stage, it is possible to supply a stable output to the battery with only a single power stage and low cost. Besides, the proposed structure can obtain reduced switching loss by securing the soft-switching operation under the rated load condition. The effectiveness of the proposed structure is verified experimentally by a prototype under 150 V DC input and 60 W/33 V output.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2021.3066413</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>PISCATAWAY: IEEE</publisher><subject>Batteries ; Capacitance ; Capacitors ; Coils ; Compensation ; Engineering ; Engineering, Electrical & Electronic ; Integrated regulator ; planar coil ; Reactive power ; Rectifiers ; Regulators ; Science & Technology ; self-compensated ; Shape ; single-stage ; Switches ; Switching ; Technology ; Wireless power transmission ; WPT systems</subject><ispartof>IEEE transactions on power electronics, 2021-10, Vol.36 (10), p.10954-10958</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Besides, the proposed structure can obtain reduced switching loss by securing the soft-switching operation under the rated load condition. The effectiveness of the proposed structure is verified experimentally by a prototype under 150 V DC input and 60 W/33 V output.</description><subject>Batteries</subject><subject>Capacitance</subject><subject>Capacitors</subject><subject>Coils</subject><subject>Compensation</subject><subject>Engineering</subject><subject>Engineering, Electrical & Electronic</subject><subject>Integrated regulator</subject><subject>planar coil</subject><subject>Reactive power</subject><subject>Rectifiers</subject><subject>Regulators</subject><subject>Science & Technology</subject><subject>self-compensated</subject><subject>Shape</subject><subject>single-stage</subject><subject>Switches</subject><subject>Switching</subject><subject>Technology</subject><subject>Wireless power transmission</subject><subject>WPT systems</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><sourceid>HGBXW</sourceid><recordid>eNqNkMFqGzEQhkVIoE7SByi5CHppKeuOVlpZOoYlbQOGmtjFx0XZHTkKa8mVZEzePnId2msPQoPm-0bMT8gHBlPGQH9dLe7m0xpqNuUgpWD8jEyYFqwCBrNzMgGlmkppzd-Ry5SeAZhogE3I7pYucbRVG7Y79MlkHOhiNN5E2gY30rXLT_TeZ9zEP72l85sRq-XB5f6JPuBmP5ocIrXlrF3EEVOii3DASFfR-GRL8Wm9WH2my5eUcZuuyYU1Y8L3b_cV-fXtbtX-qOY_v9-3t_OqrzXPlTUzC7J-FI1VDecw6EH1WF4RhDFSD9aARM7rpuaWSQVikIPiXGqpGzSSX5GPp7m7GH7vMeXuOeyjL192dSNmsqxfQ6HYiepjSCmi7XbRbU186Rh0x2C7Y7DdMdjuLdjiqJNzwMdgU-_Q9_jXAwA5A8lBlApY67LJLvg27H0u6pf_Vwt9c6Id4j9KcwWNUPwV5auUfQ</recordid><startdate>20211001</startdate><enddate>20211001</enddate><creator>Lee, Young-Dal</creator><creator>Kim, Keon-Woo</creator><creator>Moon, Gun-Woo</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Among them, the compensation capacitors are an essential component to minimize reactive power. Also, the dc/dc stage is an inevitable component to supply a stable output to the battery. However, to meet these aforementioned unavoidable requirements, a large number of components are required in R X of the WPT system, which increases the overall system size and cost. To relieve these drawbacks, a self-compensated planar coil with integrated single-switch regulator for the WPT system is proposed in this letter. The proposed converter can remove the many number of compensation capacitors by utilizing the intrinsic capacitance between adjacent layers of the planar coil as a self-compensated factor. Moreover, by integrating a single-switch into the rectifier stage, it is possible to supply a stable output to the battery with only a single power stage and low cost. 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| subjects | Batteries Capacitance Capacitors Coils Compensation Engineering Engineering, Electrical & Electronic Integrated regulator planar coil Reactive power Rectifiers Regulators Science & Technology self-compensated Shape single-stage Switches Switching Technology Wireless power transmission WPT systems |
| title | A Self-Compensated Planar Coil With Integrated Single-Switch Regulator for Wireless Power Transfer (WPT) Systems |
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