US 12,278,569 B2
Systems and methods for inverter and DC/DC converter operation
Qinghong Yu, Carlisle, MA (US); and Jing Huang, Andover, MA (US)
Assigned to SCHNEIDER ELECTRIC IT CORPORATION, Foxboro, MA (US)
Filed by SCHNEIDER ELECTRIC IT CORPORATION, Foxboro, MA (US)
Filed on Jul. 26, 2023, as Appl. No. 18/226,316.
Claims priority of provisional application 63/399,296, filed on Aug. 19, 2022.
Prior Publication US 2024/0063722 A1, Feb. 22, 2024
Int. Cl. H02M 3/335 (2006.01); H02J 9/06 (2006.01)
CPC H02M 3/33576 (2013.01) [H02J 9/062 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A power system comprising:
a power-system output configured to be coupled to, and provide an output AC waveform including a positive cycle and a negative cycle to, one or more loads;
a positive DC bus;
a negative DC bus;
an inverter coupled to the positive DC bus and the negative DC bus, the inverter including an inverter output coupled to the power-system output; and
a DC/DC converter coupled between the inverter output and at least one of the positive DC bus or the negative DC bus,
wherein the inverter is configured to:
provide, during the positive cycle, positive-voltage power to the DC/DC converter; and
provide, during the negative cycle, negative-voltage power to the DC/DC converter.