ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,476, issued on Oct. 7, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Power conversion device" was invented by Akito Nakayama (Tokyo) and Takuya Kajiyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A controlling circuitry of a power conversion device has a first control mode for controlling circulation current circulating among leg circuits for the respective phases in a power converter so that an AC component having a frequency that is an even multiple other than a multiple of 3 with respect to the frequency of a fundamental component of AC is contained in the circulation current, and determines whether to make the first control mode ...