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Efficiency Analysis for Inductive Power Transfer Using Segmented Parallel Line Feeder
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Summary :
Parallel line feeder (PLF) consisting of a two-wire transmission line operating in the MHz band has been proposed as a wide-coverage short-distance wireless charging. In the MHz band, a PLF of several meters suffers from standing wave effect, resulting in fluctuation in power transfer efficiency accordingly to the receiver's position. This paper studies a modified version of the system, where the PLF is divided into individually compensated segments to mitigate the standing wave effect. Modelling the PLF as a lossy transmission line, this paper theoretically shows that if the segments' lengths are properly determined, it is able to improve and stabilize the efficiency for all positions. Experimental results at 27.12 MHz confirm the theoretical analysis and show that a fairly high efficiency of 70% can be achieved.
- Publication
- IEICE TRANSACTIONS on Electronics Vol.E106-C No.5 pp.165-173
- Publication Date
- 2023/05/01
- Publicized
- 2022/10/17
- Online ISSN
- 1745-1353
- DOI
- 10.1587/transele.2022ECP5013
- Type of Manuscript
- PAPER
- Category
- Electronic Circuits
Authors
William-Fabrice BROU
Nara Institute of Science and Technology
Quang-Thang DUONG
Nara Institute of Science and Technology
Minoru OKADA
Nara Institute of Science and Technology
Keyword
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William-Fabrice BROU, Quang-Thang DUONG, Minoru OKADA, "Efficiency Analysis for Inductive Power Transfer Using Segmented Parallel Line Feeder" in IEICE TRANSACTIONS on Electronics,
vol. E106-C, no. 5, pp. 165-173, May 2023, doi: 10.1587/transele.2022ECP5013.
Abstract: Parallel line feeder (PLF) consisting of a two-wire transmission line operating in the MHz band has been proposed as a wide-coverage short-distance wireless charging. In the MHz band, a PLF of several meters suffers from standing wave effect, resulting in fluctuation in power transfer efficiency accordingly to the receiver's position. This paper studies a modified version of the system, where the PLF is divided into individually compensated segments to mitigate the standing wave effect. Modelling the PLF as a lossy transmission line, this paper theoretically shows that if the segments' lengths are properly determined, it is able to improve and stabilize the efficiency for all positions. Experimental results at 27.12 MHz confirm the theoretical analysis and show that a fairly high efficiency of 70% can be achieved.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.2022ECP5013/_p
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@ARTICLE{e106-c_5_165,
author={William-Fabrice BROU, Quang-Thang DUONG, Minoru OKADA, },
journal={IEICE TRANSACTIONS on Electronics},
title={Efficiency Analysis for Inductive Power Transfer Using Segmented Parallel Line Feeder},
year={2023},
volume={E106-C},
number={5},
pages={165-173},
abstract={Parallel line feeder (PLF) consisting of a two-wire transmission line operating in the MHz band has been proposed as a wide-coverage short-distance wireless charging. In the MHz band, a PLF of several meters suffers from standing wave effect, resulting in fluctuation in power transfer efficiency accordingly to the receiver's position. This paper studies a modified version of the system, where the PLF is divided into individually compensated segments to mitigate the standing wave effect. Modelling the PLF as a lossy transmission line, this paper theoretically shows that if the segments' lengths are properly determined, it is able to improve and stabilize the efficiency for all positions. Experimental results at 27.12 MHz confirm the theoretical analysis and show that a fairly high efficiency of 70% can be achieved.},
keywords={},
doi={10.1587/transele.2022ECP5013},
ISSN={1745-1353},
month={May},}
Copy
TY - JOUR
TI - Efficiency Analysis for Inductive Power Transfer Using Segmented Parallel Line Feeder
T2 - IEICE TRANSACTIONS on Electronics
SP - 165
EP - 173
AU - William-Fabrice BROU
AU - Quang-Thang DUONG
AU - Minoru OKADA
PY - 2023
DO - 10.1587/transele.2022ECP5013
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E106-C
IS - 5
JA - IEICE TRANSACTIONS on Electronics
Y1 - May 2023
AB - Parallel line feeder (PLF) consisting of a two-wire transmission line operating in the MHz band has been proposed as a wide-coverage short-distance wireless charging. In the MHz band, a PLF of several meters suffers from standing wave effect, resulting in fluctuation in power transfer efficiency accordingly to the receiver's position. This paper studies a modified version of the system, where the PLF is divided into individually compensated segments to mitigate the standing wave effect. Modelling the PLF as a lossy transmission line, this paper theoretically shows that if the segments' lengths are properly determined, it is able to improve and stabilize the efficiency for all positions. Experimental results at 27.12 MHz confirm the theoretical analysis and show that a fairly high efficiency of 70% can be achieved.
ER -
English
