US Patent Issued to Delta Electronics (Shanghai) on Sept. 30 for "Modular multilevel converter and control method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,782, issued on Sept. 30, was assigned to Delta Electronics (Shanghai) Co. Ltd. (Shanghai).

"Modular multilevel converter and control method thereof" was invented by Peng Xiao (Shanghai) and Yi Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modular multilevel converter and a control method are provided. When an AC input voltage from a power grid is lower than a drop threshold value and the modular multilevel converter is in a drop state, the idle upper bridge arm submodules of the n upper bridge arm submodules and the idle lower bridge arm submodules of the n lower bridge arm submodules are in the on-state. Consequently, the total ...