US Patent Issued to HITACHI ENERGY on Feb. 17 for "Medium frequency transformer with parallel windings" (Swiss Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,713, issued on Feb. 17, was assigned to HITACHI ENERGY LTD (Zurich, Switzerland).

"Medium frequency transformer with parallel windings" was invented by Uwe Drofenik (Zurich, Switzerland), Gernot Riedel (Baden-Rutihof, Switzerland) and Thomas Bernhard Gradinger (Aarau Rohr, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medium frequency transformer for a DC/DC converter includes: a core having an air gap and a coil surrounding a core section and having a plurality of windings; a medium voltage electric insulation, surrounding the coil each winding including a first and second termination and a conductor wound around a portion of the cor...