US Patent Issued to ABB Schweiz on April 21 for "Method of regulating frequency of plurality of uninterruptible power supply units and corresponding uninterruptible power supply unit" (New Zealander Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,534, issued on April 21, was assigned to ABB Schweiz AG (Baden, Switzerland).

"Method of regulating frequency of plurality of uninterruptible power supply units and corresponding uninterruptible power supply unit" was invented by Sridhar Pulikanti (Napier, New Zealand), Simon Walton (Hastings, New Zealand), Robert Turner (Hastings, New Zealand) and Nick Elliott (North Hastings, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of regulating frequency of plurality of uninterruptible power supply units and corresponding uninterruptible power supply (UPS) unit. The method includes broadcasting, to a controller of a UPS unit, an expec...