US 12,438,474 B2
AC-DC-AC converter for motor drive applications
Zhi Zhou, Bethlehem, NY (US); and Duro Basic, Villebon-sur-yvette (FR)
Assigned to GE ENERGY POWER CONVERSION TECHNOLOGY LIMITED, Warwichsire (GB)
Filed by GE ENERGY POWER CONVERSION TECHNOLOGY LIMITED, Warwicksire (GB)
Filed on Mar. 23, 2023, as Appl. No. 18/188,725.
Prior Publication US 2024/0322708 A1, Sep. 26, 2024
Int. Cl. H02M 7/483 (2007.01); H02M 1/00 (2007.01); H02M 1/36 (2007.01)
CPC H02M 7/4835 (2021.05) [H02M 1/0025 (2021.05); H02M 1/36 (2013.01)] 29 Claims
OG exemplary drawing
 
1. An AC-DC-AC converter for delivering power to an electric motor from a power source, the AC-DC-AC converter comprising a front-end converter and a motor-end converter connected through a DC link, the front-end converter operating so that the DC link voltage is constant, wherein the front-end converter is a hybrid modular multilevel rectifier, the motor-end converter being a hybrid modular multilevel converter or a modular multilevel converter.