Voltage-lift-type switched-inductor cells for enhancing DC–DC boost ability: principles and integrations in Luo converter

Abstract

The concepts of voltage-lift-type switched-inductor cells have been proposed. The proposed circuit cells can be used to improve the boost abilities of those traditional transformerless DC–DC converters. More importantly, they can be fabricated as integrated cells and inserted into all the basic converters easily. All newly developed converters are applicable to those situations where high voltage transfer gains are required. The four-order Luo converter is taken as an example and integrated with the proposed switched-inductor cells. Both continuous conduction mode and discontinuous conduction mode operations are analysed. All theoretical results are supported by the corresponding simulation and experimental results.