A novel battery charger/discharger stage for uninterruptible power supply system

Abstract

A new battery charger/discharger for uninterruptible power supply (UPS) is proposed. The proposed converter offers substantial improvements in efficiency, size and cost compared with UPS schemes with multiple stages. The proposed UPS approach is a good solution for low power applications (/spl les/ 500 W). The operation of the converter is addressed. The… (More)

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