ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,178, issued on Sept. 16, was assigned to Hitachi Energy Ltd (Zurich).
"Adaptive power oscillation damping controller for a grid-forming converter" was invented by Rasool Heydari (Vasteras, Sweden), Hongyang Zhang (Stockholm), Jean-Philippe Hasler (Vasteras, Sweden) and Pinaki Mitra (Vasteras, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method and a control unit for controlling a power unit connected at a connection point to a power grid. The method comprises obtaining a power oscillation damping (POD) signal from a POD controller, based on a power oscillation in the power grid. A gain value may be determi...