US Patent Issued to Wuhan Megmeet Electrical on Aug. 12 for "APFC control circuit, method, and system" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,357, issued on Aug. 12, was assigned to Wuhan Megmeet Electrical Co. Ltd (Wuhan, China).

"APFC control circuit, method, and system" was invented by Zhong Wang (Wuhan, China), Qiong Wu (Wuhan, China) and Bo Tang (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an active power factor correction (APFC) control circuit, a method, and a system. The control circuit is configured to control turning-on and turning-off of a main switch tube of a boost module in an APFC converter circuit. The APFC control circuit includes a sampling correction module, a zero-pole compensation module, a first control module, a data p...