Patent ID: 9209704
Filing Date: 2015-12-08
Classification: H02M,H02P

Abstract:
1. A power delivery system, comprising: two or more rectifiers electrically coupled to an AC power source and configured to generate a direct current; a transformer coupled to the AC power source and comprising two or more output windings to convert current from the AC power source to a multiphase AC signal, wherein each of the two or more output windings is coupled to an input of one of the two or more rectifiers, and wherein phases of the multiphase AC signal are out of phase with one another by a specified displacement angle; and two or more inverters configured to receive the direct current and generate an alternating current waveform for powering a load; wherein the two or more rectifiers and the two or more inverters are coupled in series with each other through an inductor; and further comprising a DC bus comprising an upper rail and a lower rail, wherein the two or more rectifiers are coupled in series with each other between the upper rail and the lower rail and the two or more inverters are coupled in series with each other between the upper rail and the lower rail; wherein a positive output terminal of one of the rectifiers is directly coupled to a negative output terminal of a different one of the rectifiers; and wherein a positive input terminal of one of the inverters is directly coupled to a negative input terminal of a different one of the inverters.