ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,653, issued on Feb. 24, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Power conversion device" was invented by Fuminori Nakamura (Tokyo), Yoshiyuki Kono (Tokyo) and Ryosuke Uda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device includes a self-commutated power converter that performs power conversion between an AC circuit and a DC circuit, and a control device that controls switching operation of a switching element included in the self-commutated power converter. The control device performs first control to increase a switching frequency of the switching element when a control command value for the self-commutated...