ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,495, issued on April 14, was assigned to Zhejiang University (Hangzhou City, China).
"Fault current-limiting control method and device for photovoltaic grid-forming system" was invented by Yongheng Yang (Hangzhou City, China), Hao Ruan (Hangzhou City, China) and Yinxiao Zhu (Hangzhou City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are fault current-limiting control method and device for photovoltaic grid-forming system. The method includes: obtaining voltage amplitude of the common-coupling point and voltage signal and current signal in a stationary synchronous frame system based on voltage signal and current signal of converter...