US Patent Issued to Toshiba International on June 24 for "Voltage optimization technique for a permanent magnet motor used in an electric submersible pump" (Texas Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,398, issued on June 24, was assigned to Toshiba International Corp. (Houston).

"Voltage optimization technique for a permanent magnet motor used in an electric submersible pump" was invented by Goutham Selvaraj (Houston), Yao Duan (Houston), Yu Liu (Houston) and Mark Rayner (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a permanent magnet (PM) synchronous motor in an ESP application is provided. A load angle of the PM motor is estimated. A voltage adjustment value is determined for the PM motor based at least on the estimated load angle of the PM motor. A voltage to be applied to the PM motor is determined based on ...