ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,349, issued on June 30.
"Method for DC-bus capacitance minimization of hybrid clamped converter" was invented by Jianyu Pan (Chongqing, China), Xiaojie Fu (Chongqing, China) and Yihui Zhao (Chongqing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for DC-bus capacitance minimization of hybrid clamped converter (HCC), which includes: obtaining the system parameters of the HCC during operation; determining the reference wave; determining the duty ratio of each switch according to the reference wave; determining the total neutral point current of the system; the fundamental component of the upper and lower ...