ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,835, issued on Sept. 23, was assigned to BAODING YUXIN ELECTRIC TECHNOLOGY Co. LTD. (Hebei, China).

"Fault monitoring method for multi-port internal passive load-free probabilistic load flow electric network" was invented by Zhanyu Xue (Hebei, China) and Jinchun Xing (Hebei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fault monitoring method for a multi-port internal passive load-free probabilistic load flow (PLF) electric network is presented. Current transformers are installed on the conductors. Currents from the current transformers are transformed into voltages, and the voltages are then converted into pulses by a voltage-to-frequenc...