ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,509, issued on Feb. 3, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).
"Motor driving apparatus, motor system, and electric vehicle" was invented by Chunhong Lu (Xi'an, China) and Jie Tang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motor driving apparatus, a motor system, and an electric vehicle are described that improve running efficiency of a motor and avoid damaging an inverter. The motor driving apparatus includes a three-level inverter, a motor parameter obtaining circuit, and a control circuit. The three-level inverter is configured to invert a direct current provided by the first power supp...