In this paper, a new three-level boost converter with continuous input current, common ground, reduced voltage stress on the power switches, and wide voltage gain range is proposed. The proposed converter is composed of a three-level flying-capacitor switching cell and an integrated LC2D output network. The LC2D output network enhances the voltage gain of the converter and reduces the voltage stress on the power switches. The proposed converter is a good candidate to interface fuel cells to the dc-link bus of the three-phase inverter of an electric vehicle (EV). A full steady-state analysis of the proposed converter in the continuous conduction mode (CCM) is given in this paper. A 1.2 kW scaled-down laboratory setup was built using gallium nitride (GaN) transistors and silicon carbide (SiC) diodes to verify the feasibility of the proposed converter.

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The different versions of the original document can be found in:

https://doaj.org/toc/2411-5134 under the license cc-by
https://academic.microsoft.com/#/detail/2889354470 under the license https://creativecommons.org/licenses/by/4.0/
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Published on 01/01/2018

Volume 2018, 2018
DOI: 10.3390/inventions3030061
Licence: Other

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