US Patent Issued to TMEIC on Feb. 10 for "Control device and power conversion device for detecting failure of an AC capacitor" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,084, issued on Feb. 10, was assigned to TMEIC Corp. (Tokyo).

"Control device and power conversion device for detecting failure of an AC capacitor" was invented by Daiki Terashima (Tokyo) and Issei Fukasawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control device of a power conversion device includes: an amplitude calculating circuit which calculates each of values of amplitudes of fundamental wave components of the alternating currents of the respective phases based on the current values of the alternating currents of the respective phases and a fault determining circuit which performs a magnitude comparison between each of the values ...