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A novel three-phase UPS system with a single-phase resonant HF link

MK Darwish-2006-01-01-Brunel University Research Archive (BURA) (Brunel University London)
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TL;DRAbstract

This paper presents a new three-phase uninterruptible power supply (UPS) system based on a single-phase resonant high frequency (HF) link and a single-phase transformer. The three-phase output voltage is constructed and regulated from a three-phase cycloconverter fed from the constant amplitude, constant frequency link voltage. The generation of a novel switching stategy for the three-phase cycloconverter is presented. The simulation of the proposed system is carried out and verified with experimental results.

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This paper presents a new three-phase uninterruptible power supply (UPS) system based on a single-phase resonant high frequency (HF) link and a single-phase transformer. The three-phase output voltage is constructed and regulated from a three-phase cycloconverter fed from the constant amplitude, constant frequency link voltage. The generation of a novel switching stategy for the three-phase cycloconverter is presented. The simulation of the proposed system is carried out and verified with experimental results.

Keywords

CycloconverterUninterruptible power supplyTransformerPhase (matter)Three-phaseAmplitudeElectrical engineeringVoltage

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