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High-frequency capacitive wireless power transfer technologies
Journal of Power Electronics, 2021The technical maturity of high-frequency capacitive wireless power transfer (CWPT) technologies has reached a point where they can be industrially introduced on a large scale. This paper will present the trends and the chronological efforts to improve and enhance CWPT technologies that are currently gaining interest and spotlight.
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Inductive & Capacitive Wireless Power Transfer System
2018 7th International Conference on Computer and Communication Engineering (ICCCE), 2018This paper studied the implementation of wireless power transfer through using a mix of inductive and capacitive coupling techniqbes to overcome the disadvantages of wired power transfer. The topology for the prototype of the combined system is based on LC-compensated topology, the combination of LCC-compensated topology of inductive power transfer ...
Mohamad Syafiq Mazli +8 more
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Improvements of Transfer Efficiency in Capacitive Wireless Power Transfer Under Seawater
2019 IEEE Asia-Pacific Microwave Conference (APMC), 2019In this paper, the efficiency improvement in an electric coupler using an electric double layer was presented. High efficiency of a capacitive coupler can be achieved under seawater because the Q-factor improves when using an electric double layer. First, to reveal area characteristics of dielectric constant and Q-factor by measuring of seawater for an
Kousuke Murai, Masaya Tamura
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Transcutaneous capacitive wireless power transfer (C-WPT) for biomedical implants
2017 IEEE International Symposium on Circuits and Systems (ISCAS), 2017This paper reports on the implementation of a transcutaneous capacitive wireless power transfer (C-WPT) strategy for biomedical implants. The approach is based upon a series resonant converter in which the tank capacitors are replaced with a capacitive link comprising two pairs of coated parallel plates aligned around the tissue as the dielectric ...
Reza Erfani +3 more
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Wireless Power Transfer Using Capacitive Coupling for High Power Applications
2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall), 2019This paper presents a detailed analysis and design of wireless power transfer (WPT) using capacitive coupling technique. The capacitive coupling technique for WPT has been modelled and analyzed in this research using ANSYS Maxwell software. Electrostatic and transient analysis have been performed on these capacitive plates and required parameters such ...
M. H. Saeed +5 more
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Self-tuning capacitance for impedance matching in wireless power transfer devices
2017 29th International Conference on Microelectronics (ICM), 2017The efficiency of tunable wireless power transfer between two antennas with a low-cost embedded circuit is investigated. The system operates in the strong coupling regime and, therefore, within the near field region. The efficiency was numerically calculated by varying the distance between the transmitter/receiver system, and analyzing by the Maximum ...
Reinaldo L. de Abreu +2 more
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On Fractional-order Capacitive Wireless Power Transfer System
2022 International Conference on Microelectronics (ICM), 2022Shahenda M. Abdelhafiz +3 more
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User-Defined Power Distribution for Capacitive Wireless Power Transfer With Multiple Receivers
2024 IEEE Wireless Power Technology Conference and Expo (WPTCE)Abstract: Capacitive power transfer allows for wireless charging of multiple devices at once. In a typical system, the amount of power delivered to the different devices is determined by their position and distance to the transmitter. However, it can be beneficial to prioritize the charging of the devices.
Minnaert, Ben +2 more
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Biosafety Considerations of a Capacitive Link for Wireless Power Transfer to Biomedical Implants
2018 IEEE Biomedical Circuits and Systems Conference (BioCAS), 2018This paper presents the design, modeling, and characterization of a capacitive link for wireless power transfer (WPT) to biomedical implants. The work specifically focuses on investigating the optimal range of link operation frequency, f op , that maximizes the power transfer efficiency (PTE) and power delivered to the load (PDL) parameters under ...
Reza Erfani +2 more
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Capacitive Wireless Power Transfer System With Inductorless Receiver Side
IEEE Transactions on Circuits and Systems I: Regular Papers, 2022Xu Chen 0036 +6 more
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