ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,216, issued on May 27, was assigned to Wuhan Megmeet Electrical Co. Ltd (Wuhan, China).
"APFC converter control method, APFC converter, and industrial power supply" was invented by Zhong Wang (Wuhan, China) and Qiong Wu (Wuhan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An APFC converter control method includes: obtaining an output voltage, an input voltage and an inductor current of the APFC converter; obtaining a voltage adjustment value according to a voltage error value between a preset reference voltage and the output voltage; obtaining a reference current according to the voltage adjustment value and the input voltage; obtaining a cu...