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Title: A switched capacitor based AC/DC resonant converter for high frequency AC power generation
Authors: Xu, C
Cheng, KWE 
Keywords: Cascaded converter
Fractional output
High frequency distribution
Resonant AC-DC converter
Issue Date: 2015
Publisher: Molecular Diversity Preservation International (MDPI)
Source: Energies, 2015, v. 8, no. 10, p. 10842-10860 How to cite?
Journal: Energies 
Abstract: A switched capacitor based AC-DC resonant power converter is proposed for high frequency power generation output conversion. This converter is suitable for small scale, high frequency wind power generation. It has a high conversion ratio to provide a step down from high voltage to low voltage for easy use. The voltage conversion ratio of conventional switched capacitor power converters is fixed to n, 1/n or -1/n (n is the switched capacitor cell). In this paper, A circuit which can provide n, 1/n and 2n/m of the voltage conversion ratio is presented (n is stepping up the switched capacitor cell, m is stepping down the switching capacitor cell). The conversion ratio can be changed greatly by using only two switches. A resonant tank is used to assist in zero current switching, and hence the current spike, which usually exists in a classical switching switched capacitor converter, can be eliminated. Both easy operation and efficiency are possible. Principles of operation, computer simulations and experimental results of the proposed circuit are presented. General analysis and design methods are given. The experimental result verifies the theoretical analysis of high frequency AC power generation.
EISSN: 1996-1073
DOI: 10.3390/en81010842
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