A Doubly-Excited DC- to- 3-Phase AC Buck-Boost Converter Gives Sinusoidal Waveforms: Design, Simulation & Control

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Provided by: WSEAS
Topic: Hardware
Format: PDF
In this paper, the authors present a new topology for converting a DC voltage to a 3-phase AC one. The proposed converter is excited from two separate DC supplies so the term "Doubly-excited". The most important features of the proposed converter are the output voltage (AC voltage) is lower or higher than the input one (DC voltage), controllable voltage and frequency and the output voltage and current are approximately sinusoidal which means low harmonics content.
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