US Patent Issued to HITACHI ENERGY on Sept. 8 for "Method for detecting a ground fault, a control unit and an energy storage system" (Swedish, Indian Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,158, issued on Sept. 8, was assigned to HITACHI ENERGY LTD (Zurich).

"Method for detecting a ground fault, a control unit and an energy storage system" was invented by Mohapatra Bikash Kumar Sahoo (Bhadrak, India), Kent Wikstrom (Vasteras, Sweden), Ann Palesjo (Vasteras, Sweden), Hongyang Zhang (Stockholm) and Saran Teja Malladi (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is disclosed herein a method for detecting a ground fault in an energy storage system comprising at least one string having a plurality of energy storage modules. The string is connected between a first direct current (DC) pole and a second DC pole. The fir...