Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT System
In our previous work, we proposed the method to maximize the output power even in the overcoupled state of the wireless power transfer (WPT) system by controlling free resonant frequencies and derived closed-form expression for optimum free resonant frequencies of the primary and secondary resonator...
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| Format: | Article |
| Language: | English |
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Wiley
2017-01-01
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| Series: | International Journal of Antennas and Propagation |
| Online Access: | http://dx.doi.org/10.1155/2017/1830687 |
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| _version_ | 1832549040664870912 |
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| author | Dong-Wook Seo Jae-Ho Lee |
| author_facet | Dong-Wook Seo Jae-Ho Lee |
| author_sort | Dong-Wook Seo |
| collection | DOAJ |
| description | In our previous work, we proposed the method to maximize the output power even in the overcoupled state of the wireless power transfer (WPT) system by controlling free resonant frequencies and derived closed-form expression for optimum free resonant frequencies of the primary and secondary resonators. In this paper, we propose the mutual coupling approach to derive the optimum free resonant frequencies and show the measured power transfer efficiency (PTE) using the transmission efficiency as well as the system energy efficiency. The results of the proposed approach exactly coincide with those of the previous work, and the fabricated prototype achieves the transmission efficiency of about 80% by tuning the free resonant frequencies to the optimum values in the overcoupled state. |
| format | Article |
| id | doaj-art-7aa7cfeb35eb4db696fd126ce207212b |
| institution | Kabale University |
| issn | 1687-5869 1687-5877 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Antennas and Propagation |
| spelling | doaj-art-7aa7cfeb35eb4db696fd126ce207212b2025-02-03T06:12:18ZengWileyInternational Journal of Antennas and Propagation1687-58691687-58772017-01-01201710.1155/2017/18306871830687Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT SystemDong-Wook Seo0Jae-Ho Lee1Automotive IT Platform Research Section, Electronics and Telecommunications Research Institute (ETRI), 1 Techno Sunhwan-ro 10-gil, Yuga-myeon, Dalseong-gun, Daegu, Republic of KoreaAutomotive IT Platform Research Section, Electronics and Telecommunications Research Institute (ETRI), 1 Techno Sunhwan-ro 10-gil, Yuga-myeon, Dalseong-gun, Daegu, Republic of KoreaIn our previous work, we proposed the method to maximize the output power even in the overcoupled state of the wireless power transfer (WPT) system by controlling free resonant frequencies and derived closed-form expression for optimum free resonant frequencies of the primary and secondary resonators. In this paper, we propose the mutual coupling approach to derive the optimum free resonant frequencies and show the measured power transfer efficiency (PTE) using the transmission efficiency as well as the system energy efficiency. The results of the proposed approach exactly coincide with those of the previous work, and the fabricated prototype achieves the transmission efficiency of about 80% by tuning the free resonant frequencies to the optimum values in the overcoupled state.http://dx.doi.org/10.1155/2017/1830687 |
| spellingShingle | Dong-Wook Seo Jae-Ho Lee Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT System International Journal of Antennas and Propagation |
| title | Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT System |
| title_full | Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT System |
| title_fullStr | Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT System |
| title_full_unstemmed | Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT System |
| title_short | Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT System |
| title_sort | method for estimating optimum free resonant frequencies in overcoupled wpt system |
| url | http://dx.doi.org/10.1155/2017/1830687 |
| work_keys_str_mv | AT dongwookseo methodforestimatingoptimumfreeresonantfrequenciesinovercoupledwptsystem AT jaeholee methodforestimatingoptimumfreeresonantfrequenciesinovercoupledwptsystem |