US Patent Issued to Wayne State University on Sept. 22 for "Single-phase seven-level inverter" (Maryland, Michigan Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,473, issued on Sept. 22, was assigned to Wayne State University (Detroit).

"Single-phase seven-level inverter" was invented by Jianfei Chen (Lanham, Md.) and Caisheng Wang (Troy, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exemplary system includes an inverter coupled to a DC source, a plurality of power switches and a plurality of DC-link capacitors that synthesize seven output voltage levels. In one example the inverter includes a four-level active neutral pointed clamped inverter (4L-ANCP) that includes six power switches of the plurality of power switches and is operated at a switching frequency with a first voltage stress level, an...