US Patent Issued to HITACHI ENERGY on July 1 for "Transformer system for a direct current converter system" (Swedish, German Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,599, issued on July 1, was assigned to HITACHI ENERGY LTD (Zurich, Switzerland).

"Transformer system for a direct current converter system" was invented by Erik Carl Wedin (Karlstad, Sweden), Semen Pyrog (Isernhagen, Germany) and Erik Lysell (Ludvika, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transformer system for a direct current converter system includes a plurality of windings for three electrical phases, the windings being electrically connected to provide a 15deg phase shift, and including at least three separate tanks, wherein the associated to different electrical phases are located in different ones of the separate tanks."

The...