US Patent Issued to ABB Schweiz on Nov. 25 for "Plug and play solid state controller for high efficiency motors" (North Carolina Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,171, issued on Nov. 25, was assigned to ABB Schweiz AG (Baden, Switzerland).

"Plug and play solid state controller for high efficiency motors" was invented by Yuzhi Zhang (Apex, N.C.), Utkarsh Raheja (Raleigh, N.C.), Pietro Cairoli (Cary, N.C.) and Xiaoqing Song (Apex, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solid-state controller for limiting startup current in an induction motor is provided. The solid-state controller includes a first comparator configured to generate a first comparison based on comparing a rotor speed of the induction motor with a rotor speed threshold. The solid-state controller includes a phase current limiter con...