280A Switched Mode Charging Rectifier for Three-Phase Mains


The large new digital telephone exchanges which are installed in Norway today require considerable amounts of power. This results in a large demand for 48V battery plants and charging rectifiers. This paper describes a 15kw switch-mode 48V charging rectifier for 3-phase mains. The rectifier can very easily be coupled from a 3-phase 230V AC mains to a 3… (More)


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