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DYNAMIC CAPACITIVE WIRELESS POWER TRANSFER SYSTEMS [PDF]
, 2020 202 pages ; Dynamic wireless power transfer (WPT) systems that effectively charge electric vehicles (EVs) while in motion can reduce EV costs, eliminate charging time, and enable unlimited range. This thesis introduces innovative architectures, circuit topologies, design techniques, and control methodologies for large air-gap kW-scale high power ...
Sinha, Sreyam
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Capacitive Wireless Power Transfer System With Inductorless Receiver Side [PDF]
IEEE Transactions on Circuits and Systems I: Regular Papers, 2022 In a capacitive wireless power transfer system, due to the pF-level coupling capacitance, resonant inductors are commonly used at the primary side to boost voltage and at secondary side to boost the current.
Xu Chen 0036 +6 more
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Interleaved Capacitive Coupler for Wireless Power Transfer
IEEE Transactions on Power Electronics, 2021Capacitive power transfer is becoming an attractive alternate for wireless chargers. A coupler with large self- and mutual capacitance is desirable from the power and efficiency perspective. However, state-of-the-art couplers suffer from the tradeoff design issue between these two types of capacitance.
Yipeng Liu, Tao Wu, Minfan Fu
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Role of Dielectrics in the Capacitive Wireless Power Transfer System
2020 IEEE International Conference on Industrial Technology (ICIT), 2020Wireless power transfer through capacitive coupling interface is being investigated widely as a dual of inductive coupling interface for low to medium air-gap (~1 mm – 100 mm) applications. The value of coupling capacitance is generally dependent on the dielectric material used, area of the plates in the interface and distance between the plates.
Deepa Vincent, Sheldon S. Williamson
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Capacitive Wireless Power and Data Transfer for Implantable Medical Devices
2018 IEEE Biomedical Circuits and Systems Conference (BioCAS), 2018Reliable data transmission and sustainable wireless powering are key for a majority of implantable medical devices for performing a multitude of operations. This paper proposes and demonstrates an experimental working bench-top model for the first time of a wireless powering scheme for bio-medical implants through a 2-contact resonant capacitive link ...
Asish Koruprolu +3 more
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Wireless Power Transfer With Zero-Phase-Difference Capacitance Control
IEEE Transactions on Circuits and Systems I: Regular Papers, 2015Wireless power transfer enables the frequent and ubiquitous charging of electronic devices. However, the variation of the efficiency and the received power with the transmission distance is an outstanding issue. To solve the problem of efficiency degradation of the magnetic resonance at short distances, zero-phase-difference capacitance control (ZPDCC),
Shunta Iguchi +5 more
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Design of auto-tuning capacitive power transfer system for wireless power transfer
International Journal of Electronics, 2015ABSTRACTThis paper presents the design of capacitive wireless power transfer systems based on a Class-E inverter approach. The main reason for adopting the Class-E inverter approach is because of its high efficiency, theoretically 100%. However, the operation of a Class-E inverter is highly sensitive to its circuit’s parameters. In a typical capacitive
Kai Lu, Sing Kiong Nguang
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Wireless Sensor Node Powered by Unipolar Resonant Capacitive Power Transfer
2021 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW), 2021Sensors are a major component of any automated system. In particular, wireless monitoring of sensors has become increasingly important to reduce the complexity and electrical points of failure as the number of sensors in a system increase. Wireless communication has provided a more scalable approach as compared to serial communication, eliminating the ...
Jonathan Dean +2 more
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Characteristics of Undersea Capacitive Wireless Power Transfer System
2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia), 2020This paper proposes the characteristics of undersea capacitive wireless power transfer (UCWPT) system for autonomous underwater vehicles (AUVs). An experimental UCWPT system is constructed with the power level 100 W. The simulation work is conducted with the PSIM, MATLAB and Ansys Maxwell. The experiments are conducted with the seawater medium which is
Lei Yang +3 more
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A Comparative Study of Capacitive Couplers in Wireless Power Transfer
2018 International Symposium on Fundamentals of Electrical Engineering (ISFEE), 2018The capacitive power transfer (CPT) technology is mainly used in battery charging systems. The capacitive coupler plays a critical role in a CPT system. The capacitive coupler can be classified into two sections, unipolar and bipolar. The bipolar includes row and column couplers. This paper aims to analyse and compare the capacitive couplers.
Mohammed AL-SAADI +4 more
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