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An Electrified Tramway Wireless Charging System for Rail Transportation Using Dynamic Capacitive Power Transfer With Four Vertical Plates

作     者:Kodeeswaran, S. Nandhini Gayathri, M. Kannabhiran, A. Padmanaban, Sanjeevikumar Carbone, Paolo 

作者机构:National Institute of Technology Andhra Pradesh Department of Electrical Engineering Andhra Pradesh Tadepalligudem534101 India SASTRA Deemed University School of Electrical and Electronics Engineering Tamil Nadu Thanjavur613401 India University of South-Eastern Norway Department of Electrical Engineering IT and Cybernetic Porsgrunn3918 Norway University of Perugia Department of Engineering Perugia06125 Italy 

出 版 物:《IEEE Transactions on Transportation Electrification》 (IEEE Trans. Transp. Electrif.)

年 卷 期:2025年第11卷第3期

页      面:7786-7797页

核心收录:

学科分类:0808[工学-电气工程] 080802[工学-电力系统及其自动化] 08[工学] 

主  题:Inductive power transmission 

摘      要:This article proposes a novel vertical dynamic capacitive power transfer (DCPT) system to enhance the power transfer of a rail transit charging system and improve the CPT performance. The present work suggests a novel CPT-based rail track infrastructure for dynamic charging with vertical plate arrangements consisting of four plates. The four aluminum plates were used to plan the coupling capacitances between the transmitter (ground side) and receiver (vehicle side) ends. To increase the mutual capacitance, a dielectric material was filled in the space between plates on the vehicle side, which also results in improved output power. Six coupling capacitances were formed between the plates, measured by ANSYS Maxwell simulation software. The circuit simplification method reduced the six coupling capacitances to four. The mutual capacitance and self-capacitance values were evaluated for positioning the plates at different distances, and then, the ideal capacitance was identified at 100 mm. The compensation circuit parameters were designed using dynamic circuit modeling, and its performance was evaluated in LTSPICE software. The hardware prototype is developed in the laboratory and operates at a 1-MHz frequency and the output power is obtained as 2.76 kW with a maximum efficiency of 92.6%. © 2015 IEEE.

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