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A 3-Z-Network Boost Converter | IEEE Journals & Magazine | IEEE Xplore

Abstract:

A novel boost converter is proposed in this paper, which consists of three active Z-networks and is then named as a 3-Z-network boost converter. A distinct advantage of t...Show More

Abstract:

A novel boost converter is proposed in this paper, which consists of three active Z-networks and is then named as a 3-Z-network boost converter. A distinct advantage of this proposal is that it can reach a high-gain voltage and well fulfill the stringent requirements from industry, particularly renewable power systems, to boost low voltage from clean sources such as photovoltaic (PV) arrays and fuel cells to high voltages for grid-connected converters. Corresponding to different states of the diodes and currents of the capacitors, six operational cases of the proposed converter, including two continuous-current modes (CCMs) and four discontinuous-current modes (DCMs), are analyzed. It is then followed with the parameters design. Finally, simulations and experiments are conducted to verify the effectiveness of the proposed converter.
Published in: IEEE Transactions on Industrial Electronics ( Volume: 62, Issue: 1, January 2015)
Page(s): 278 - 288
Date of Publication: 29 May 2014

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