The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
An Adaptive Impedance-Matching Network Based on a Novel Capacitor Matrix for Wireless Power Transfer
Abstract
In a wireless power transfer (WPT) system via the magnetic resonant coupling, one of the most challenging design issues is to maintain a reasonable level of power transfer efficiency (PTE), even when the distance between the transmitter and the receiver changes. When the distance varies, the PTE drastically decreases due to the impedance mismatch between the resonator of the transmitter and that of the receiver. This paper presents a novel serial/parallel capacitor matrix in the transmitter, where the impedance can be automatically reconfigured to track the optimum impedance-matching point in the case of varying distances. The dynamic WPT matching system is enabled by changing the combination of serial and parallel capacitors in the capacitor matrix. An interesting observation in the proposed capacitor matrix is that the resonant frequency is not shifted, even with capacitor-matrix tuning. In order to quickly find the best capacitor combination that achieves maximum power transfer, a window-prediction-based search algorithm is also presented in this paper. The proposed resonance WPT system is implemented using a resonant frequency of 13.56 MHz, and the experimental results with 1W power transfer show that the transfer efficiency increases up to 88 % when the distance changes from 0 to 1.2 m.
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Citations
Cites
Wireless Power Transfer via Strongly Coupled Magnetic Resonances
Kurs, A., Karalis, A., Moffatt, R., Joannopoulos, J. D., Fisher, P., & Soljačić, M. (2007) · Science · doi:10.1126/science.1143254 · Cited by 5,576
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Efficient wireless non-radiative mid-range energy transfer
Karalis, A., Joannopoulos, J. D., & Soljačić, M. (2008) · Annals of Physics · doi:10.1016/j.aop.2007.04.017 · Cited by 1,394
Cannon, B. L., Hoburg, J. F., Stancil, D. D., & Goldstein, S. C. (2009) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2009.2017195 · Cited by 924
Circuit-Model-Based Analysis of a Wireless Energy-Transfer System via Coupled Magnetic Resonances
Cheon, S., Kim, Y.-H., Kang, S.-Y., Lee, M. L., Lee, J.-M., & Zyung, T. (2011) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2010.2072893 · Cited by 395
Maximum Achievable Efficiency in Near-Field Coupled Power-Transfer Systems
Zargham, M., & Gulak, P. G. (2012) · IEEE Transactions on Biomedical Circuits and Systems · doi:10.1109/tbcas.2011.2174794 · Cited by 349
Circuit Model Based Analysis of a Wireless Energy Transfer System via Coupled Magnetic Resonances
Cheon, S.-H., Kim, Y.-H., Lee, M.-L., & Kang, S.-Y. (2011) · The Transactions of the Korean Institute of Power Electronics · doi:10.6113/tkpe.2011.16.2.137 · Cited by 337
Effects of Magnetic Coupling of Nonadjacent Resonators on Wireless Power Domino-Resonator Systems
Lee, C. K., Zhong, W. X., & Hui, S. Y. R. (2012) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2011.2169460 · Cited by 309
Effective Capacitive Power Transfer
Theodoridis, M. P. (2012) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2012.2192502 · Cited by 272
Ho, S. L., Wang, J., Fu, W. N., & Sun, M. (2011) · IEEE Transactions on Magnetics · doi:10.1109/tmag.2010.2091495 · Cited by 204
Cited by
Kim, J., Kim, D.-H., & Park, Y.-J. (2015) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2014.2365751 · Cited by 152
E-Mobility — Advancements and Challenges
Adib, A., Shadmand, M. B., Shamsi, P., Afridi, K. K., Amirabadi, M., Fateh, F., Ferdowsi, M., Lehman, B., Lewis, L. H., Mirafzal, B., et al. (2019) · IEEE Access · doi:10.1109/access.2019.2953021 · Cited by 79
Metadata
- Authors
- Lim, Y., Tang, H., Lim, S., & Park, J.
- Venue
- IEEE Transactions on Power Electronics
- Published
- 2014-08
- Volume
- 29
- Issue
- 8
- Pages
- 4403-4413
- ISSN
- 0885-8993 (ISSN-L)
- 1941-0107
- OpenAlex
- W2018289753
- Cited by
- 484
- References
- 13
- FWCI
- 17.86
- Type
- journal article
- Language
- en
- Open access
- closed
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