ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,841, issued on May 19, was assigned to HUAWEI DIGITAL POWER TECHNOLOGIES Co. LTD. (Shenzhen, China).
"Three-level inverter, control method, and system" was invented by Fei Xu (Shanghai), Xinyu Yu (Shanghai), Kai Xin (Shanghai), Xiaoxiang Zhou (Shanghai), Lei Shi (Shanghai) and Peng Ju (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A three-level inverter includes controllable switch components T1 to T6. Each of the controllable switch components includes a parallel connected junction capacitor and an anti-parallel connected diode. A first terminal of T1 is connected to a positive direct current bus, a second terminal of T4 is connected to a ...