Modelling and analysis of a capacitively coupled contactless power transfer system
作者： Chao Liu , Aiguo Patrick Hu , N-KC Nair
DOI: 10.1049/IET-PEL.2010.0243
关键词:
摘要: Capacitively coupled contactless power transfer (CCPT) technology has been proposed as a new contactless/wireless method recently. By employing electric field the energy medium, CCPT advantages of being able to across metal barriers and reduced electromagnetic interference. However, there is very limited understanding experience in system modelling analysis. This study models typical analyses its performance under steady-state operations. An accurate non-linear circuit model established stroboscopic theory extended determine zero-voltage switching (ZVS)-operating frequency system. The tuning inductance for achieving exact ZVS operation derived, effects coupling load variations on are analysed. A prototype built, practical measurements show that time domain waveforms efforts calculated from theoretical good agreements with experimental results. efficiency predicted slightly higher than results, particularly at heavy loads, because ideal semiconductor switches wires used model.
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