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Capacitive Power Transfer With Series-Parallel Compensation for Step-Up Voltage Output
Journal article   Open access   Peer reviewed

Capacitive Power Transfer With Series-Parallel Compensation for Step-Up Voltage Output

Yao Wang, Hua Zhang and Fei Lu
IEEE transactions on industrial electronics (1982), v 69(6), pp 5604-5614
Jun 2022
url
https://repositorio.unal.edu.co/handle/unal/83162View
Accepted (AM)CC BY V4.0 Open

Abstract

Capacitance Capacitive power transfer (CPT) Couplers Couplings h-parameter Integrated circuit modeling Rectifiers series-parallel (SP) compensation step-up voltage output Topology Transient analysis
In this article, a basic capacitive power transfer topology with series-parallel compensation is developed for load-independent step-up voltage output. There are three main contributions. First, the step-up constant-voltage (CV) output and zero-phase angle property are designed by using an h -parameter modeling method. Second, a current-source rectifier is proposed at the secondary side and the working transient is analyzed. Third, the impact of parasitic resistances is investigated, and the output voltage attenuation and system efficiency are analyzed at different loads, coupling coefficients, and quality factors. A 130-W prototype is implemented with 150 × 300-mm metal plates. Experiments validate the CV output property with a step-up voltage gain of 2. The peak efficiency is 86.6% at a coupling coefficient of 0.16 and a transfer distance of 4 mm.

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#7 Affordable and Clean Energy

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Web of Science research areas
Automation & Control Systems
Engineering, Electrical & Electronic
Instruments & Instrumentation
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