A Study on Magnetic Field Repeater in Wireless Power Transfer
It is shown that the distance of wireless power transfer is significantly increased by placing intermediate resonators (repeaters) between transmitter and receiver. The guidelines are provided to use the repeaters effectively. We first briefly review how the repeaters enhance the transfer distance....
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| Veröffentlicht in: | IEEE transactions on industrial electronics (1982) 2013-01, Vol.60 (1), p.360-371 |
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| container_title | IEEE transactions on industrial electronics (1982) |
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| creator | Ahn, Dukju Hong, Songcheol |
| description | It is shown that the distance of wireless power transfer is significantly increased by placing intermediate resonators (repeaters) between transmitter and receiver. The guidelines are provided to use the repeaters effectively. We first briefly review how the repeaters enhance the transfer distance. Next, the aspect of resonant frequency splitting is studied separately both for even and odd numbers of repeaters. The transferred power, efficiency, and output impedance phase are evaluated for each repeater configuration. These provide the guidelines to select the optimum repeater positions and numbers. We also propose and study a new kind of repeater which can be placed (biased) even in the vicinity of transmitter or receiver. This increases the flexibility in choosing the repeater position. The net effect of such biased repeater is approximately doubling the effective coupling coefficient between transmitter and receiver. Experimental results are provided to prove the concepts. |
| doi_str_mv | 10.1109/TIE.2012.2188254 |
| format | Article |
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The guidelines are provided to use the repeaters effectively. We first briefly review how the repeaters enhance the transfer distance. Next, the aspect of resonant frequency splitting is studied separately both for even and odd numbers of repeaters. The transferred power, efficiency, and output impedance phase are evaluated for each repeater configuration. These provide the guidelines to select the optimum repeater positions and numbers. We also propose and study a new kind of repeater which can be placed (biased) even in the vicinity of transmitter or receiver. This increases the flexibility in choosing the repeater position. The net effect of such biased repeater is approximately doubling the effective coupling coefficient between transmitter and receiver. Experimental results are provided to prove the concepts.</description><identifier>ISSN: 0278-0046</identifier><identifier>EISSN: 1557-9948</identifier><identifier>DOI: 10.1109/TIE.2012.2188254</identifier><identifier>CODEN: ITIED6</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Contactless energy delivery ; coupled resonance ; Couplings ; Flexibility ; Guidelines ; inductive link ; inductive power transfer ; Magnetic fields ; Optimization ; Power transfer ; Propagation losses ; Q factor ; Receivers ; relay resonator ; Repeaters ; Resonant frequency ; Transmitters ; wireless energy transmission ; wireless power transfer (WPT)</subject><ispartof>IEEE transactions on industrial electronics (1982), 2013-01, Vol.60 (1), p.360-371</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Experimental results are provided to prove the concepts.</description><subject>Contactless energy delivery</subject><subject>coupled resonance</subject><subject>Couplings</subject><subject>Flexibility</subject><subject>Guidelines</subject><subject>inductive link</subject><subject>inductive power transfer</subject><subject>Magnetic fields</subject><subject>Optimization</subject><subject>Power transfer</subject><subject>Propagation losses</subject><subject>Q factor</subject><subject>Receivers</subject><subject>relay resonator</subject><subject>Repeaters</subject><subject>Resonant frequency</subject><subject>Transmitters</subject><subject>wireless energy transmission</subject><subject>wireless power transfer (WPT)</subject><issn>0278-0046</issn><issn>1557-9948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1LAzEQhoMoWKt3wUvAi5et-d7k4KGUVgsVRSseQ7o7kS3b3ZrsIv33prR48DTD8LzDzIPQNSUjSom5X86nI0YoGzGqNZPiBA2olHlmjNCnaEBYrjNChDpHFzGuCaFCUjlAD2P83vXlDrcNfnZfDXRVgWcV1CV-gy24DgKuGvxZBaghRvza_qTJMrgmegiX6My7OsLVsQ7Rx2y6nDxli5fH-WS8yAqe0y5zJRPcANHOAStdwZVaMW68X5XeSO2N4E7r1ADzXNGVAqAyV8SDkqTQOR-iu8PebWi_e4id3VSxgLp2DbR9tJSr9I0WSiT09h-6bvvQpOssJdwQmgumEkUOVBHaGAN4uw3VxoVdguzep00-7d6nPfpMkZtDpAKAP1xRybki_BfBo28W</recordid><startdate>201301</startdate><enddate>201301</enddate><creator>Ahn, Dukju</creator><creator>Hong, Songcheol</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The guidelines are provided to use the repeaters effectively. We first briefly review how the repeaters enhance the transfer distance. Next, the aspect of resonant frequency splitting is studied separately both for even and odd numbers of repeaters. The transferred power, efficiency, and output impedance phase are evaluated for each repeater configuration. These provide the guidelines to select the optimum repeater positions and numbers. We also propose and study a new kind of repeater which can be placed (biased) even in the vicinity of transmitter or receiver. This increases the flexibility in choosing the repeater position. The net effect of such biased repeater is approximately doubling the effective coupling coefficient between transmitter and receiver. Experimental results are provided to prove the concepts.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIE.2012.2188254</doi><tpages>12</tpages></addata></record> |
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| ispartof | IEEE transactions on industrial electronics (1982), 2013-01, Vol.60 (1), p.360-371 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Contactless energy delivery coupled resonance Couplings Flexibility Guidelines inductive link inductive power transfer Magnetic fields Optimization Power transfer Propagation losses Q factor Receivers relay resonator Repeaters Resonant frequency Transmitters wireless energy transmission wireless power transfer (WPT) |
| title | A Study on Magnetic Field Repeater in Wireless Power Transfer |
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