ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,456, issued on Oct. 21, was assigned to Sungrow Power Supply Co. Ltd. (Hefei, China).

"Inverter and method for detecting insulation impedance of inverter" was invented by Yuandong Qian (Hefei, China), Cheng Liang (Hefei, China), Jiawang Li (Hefei, China), Yongheng Qian (Hefei, China), Nianan Pan (Hefei, China), Zisi Tian (Hefei, China), Jin Zhang (Hefei, China), He Li (Hefei, China), Jingjing Wang (Hefei, China) and Houzhi Tan (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inverter and a method for detecting insulation impedance of the inverter are provided. During grid-connected operation of the inverter, the method includes: contr...