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Research and Application of Capacitive Power Transfer System: A Review
Electronics (Switzerland), 2022 Capacitive power transfer (CPT) uses an electric field as the transfer medium to achieve wireless power transfer (WPT). Benefitting from the low eddy current loss, simple system structure and strong plasticity of the coupling coupler, the CPT system has ...
Yiming Zhang, Xinghong He, Bo Luo
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The Duality of Inductive Power Transfer and Capacitive Power Transfer
2020 8th International Conference on Power Electronics Systems and Applications (PESA), 2020Both inductive and capacitive wireless power transfer can be used for the charging of electric vehicles theoretically. In this paper, the mutual-capacitance coupling model of capacitive power transfer is proposed by analogy with the mutual-inductance coupling model of inductive power transfer. In single input single output (SISO), multiple input single
Yuanchen Wang, Minghao Wang, Deyan Lin
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Analysis of transfer power of capacitive power transfer system
2013 IEEE 10th International Conference on Power Electronics and Drive Systems (PEDS), 2013There are three method for wireless power transfer from the viewpoint of transfer field. The first is inductive power transfer (IPT) using magnetic field which is currently the most popular way to realize wireless power transfer. The second is wireless power transfer using radio wave.
H. Funato, H. Kobayashi, T. Kitabayashi
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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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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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Hybrid control of capacitive power transfer system for coupling capacitance variation
Electrical Engineering, 2020Focusing on the output voltage reduction caused by variation of the equivalent coupling capacitance in capacitive power transfer (CPT) system, this paper proposes a hybrid control strategy to achieve constant output voltage with the variation. The hybrid automata model is introduced for the cascaded CPT system considering the characteristics of higher ...
Yugang Su +5 more
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A Comparison Study of Compensation Topologies for Capacitive Power Transfer
2019 IEEE 28th International Symposium on Industrial Electronics (ISIE), 2019The compensation topology as the key factor affecting the performance of the capacitive power transfer (CPT) system has been extensively studied. This paper compares the characteristics of the double-sided LC, LCL and LCLC compensation topologies for the CPT system.
Feng Gao +4 more
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2011 International Conference on Mechatronic Science, Electric Engineering and Computer (MEC), 2011
The capacitive power transfer (CPT) system and inductively power transfer (IPT) system are the two typical wireless power transfer systems. Based on the power transmission characteristics, the power transfer capacity of the two wireless power transfer system was analyzed.
Xia Chen-yang, Li Chao-wei, Zhang Juan
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The capacitive power transfer (CPT) system and inductively power transfer (IPT) system are the two typical wireless power transfer systems. Based on the power transmission characteristics, the power transfer capacity of the two wireless power transfer system was analyzed.
Xia Chen-yang, Li Chao-wei, Zhang Juan
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Design of class-E power amplifier for capacitive power transfer system
Microelectronics Journal, 2018Abstract High frequency power source is an indispensable part of capacitive power transfer system, and its performance plays an essential role in the overall system. Considering that class-E power amplifier is a prominent switched-mode power amplifier, and its power conversion efficiency can reach nearly 100%, theoretically.
Yanzhou Sun, Jianghua Yu, Xiaoqian Liu
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2010
Abstract : The simplicity and low cost of capacitive interfaces makes them very attractive for wireless charging stations and galvanically isolated power supplies. Major benefits include low electromagnetic radiation and the amenability of combined power and data transfer over the same interface.
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Abstract : The simplicity and low cost of capacitive interfaces makes them very attractive for wireless charging stations and galvanically isolated power supplies. Major benefits include low electromagnetic radiation and the amenability of combined power and data transfer over the same interface.
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