ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,384, issued on March 17, was assigned to Battelle Memorial Institute (Richland, Wash.).

"Automation tool to create chronological AC power flow cases for large interconnected systems" was invented by Bharat GNVSR Vyakaranam (Redmond, Wash.), Tony B. Nguyen (Richland, Wash.), Quan H. Nguyen (Richland, Wash.), Nader A. Samaan (Richland, Wash.), Mallikarjuna R. Vallem (Richland, Wash.) and Renke Huang (Richland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method includes extending simulation results and input data of a DC production cost model (PCM) of a power grid to an initial AC power flow model (PFM) using a generati...