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The paper proposes a novel battery charger through use of two serially-connected LLC resonant converters. The first stage utilises a capacitor-diode clamped LLC resonant converter which allows operation in both constant voltage (CV) and constant current (CC) modes, as found in most battery chargers, to be realised, whilst the second stage provides the necessary gain and line and load regulation. A...
This paper presents a comparison between conventional two-stage battery charger consisting of power factor correction (PFC) stage seeding DCDC half bridge LLC resonant converter and a single-stage bridgeless topology. Efficiency, electrical stress, and simplicity are considered as main performance criteria. A brief description of the design and performance analysis is given for each case. To validate...
ICT equipment is usually replaced at regular intervals, usually before the equipment has failed, opening up the opportunity of providing a second-life through repurposing. In this paper we investigate the technical feasibility of repurposing the standard ATX power supply found in many desktop computers into a 12V battery charger. We provide an overview of the ATX power supply before describing how...
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