US Patent Issued to ENATEL on July 7 for "Zero current sensor for a power converter" (New Zealander Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,560, issued on July 7, was assigned to ENATEL (New Zealand).

"Zero current sensor for a power converter" was invented by Arthur Johannes Hein de Beun (Christchurch, New Zealand) and Joseph Rex Cooper (Lyttleton, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inductor or transformer for a switching power converter includes a primary coil and a secondary coil inside the air gap of the primary coil. A secondary core of the secondary coil is magnetized to saturation by a small current through the primary coil, such that the secondary coil produces a nonzero output voltage when the current through the primary coil crosses zero. The secondar...