US Patent Issued to ZHEJIANG UNIVERSITY on May 12 for "Control method for suppressing overvoltage" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,143, issued on May 12, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China).

"Control method for suppressing overvoltage" was invented by Zheng Xu (Hangzhou, China), Nan Zhang (Hangzhou, China) and Zheren Zhang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control method for suppressing an overvoltage of the receiving end hybrid modular multilevel converter with full-bridge submodules and half-bridge submodules (F/HMMC) under the fault at the receiving-end alternating-current (AC) system of the hybrid high-voltage direct-current (HVDC) transmission system. After a short-circuit fault occurs in a receiving-end AC) system of the hy...