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Effective Capacitive Power Transfer
IEEE Transactions on Power Electronics, 2012Capacitive power transfer (CPT) systems have up to date been used for very low power delivery due to a number of limitations. A fundamental treatment of the problem is carried out and a CPT system is presented that achieves many times higher power throughput into low-impedance loads than traditional systems with the same interface capacitance and ...
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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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