ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,675, issued on Dec. 30, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Power conversion system" was invented by Fuminori Nakamura (Tokyo), Ryota Onishi (Tokyo) and Michihiro Tadokoro (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion system including: a self-excited power converter that converts power between an alternating-current (AC) power system and a direct-current (DC) line; an AC circuit breaker disposed between the AC power system and the self-excited power converter; an arrester connected between the DC line and a ground or between an AC line and the ground, the AC line connecting the AC circuit breaker and the se...