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This contribution provides comprehensive development procedures and mathematical models of an adjustable speed drive (ASD) for steady-state solutions. A complete representation of the ASD is employed, which includes the detailed models of the diode rectifier and of the inverter. The power electronic switches are efficiently represented through a smooth function that allows a larger integration step...
High Power telecommunication power supply systems consist of a three-phase switch mode rectifier followed by a DC/DC converter to supply loads at 48 VDC. These rectifiers draw significant harmonic currents from the utility, resulting in poor input power factor with high total harmonic distortion (THD). In this paper, a DC power supply based on matrix converter with reduced number of switches is proposed...
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