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This paper proposes a novel DC-DC converter topology that has as key contribution the capability of achieving high voltage elevation factor from renewable low voltage DC source. The proposed step-up principle is based on the generation from a single source of two isolated DC sources, connected in series to feed the load. Each DC source is provided by a redesign in the classical boost DC/DC converter...
A high conversion ratio dc-dc converter suitable for renewable energy applications has been investigated and presented here. A high-boost dc-dc converter is designed with high voltage conversion ratio for fuel cell or photovoltaic systems. The proposed system consists of a current-fed half bride at the input side, an active-clamp circuit and an output voltage-doubler with three stages of boosting...
In this paper, a novel soft switched high frequency AC link converter is proposed for use as a battery utility interface. The proposed configuration uses 10 bidirectional switches interfacing with an AC link consisting of an inductor and a parallel capacitance. The capacitance produces soft turn off in all operating conditions, and turn on always occurs with zero voltage. This converter has several...
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