ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,989, issued on Sept. 29, was assigned to ELEAPPOWER Ltd. (Toronto).
"Grid connected converter device" was invented by John Salmon (Edmonton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grid-connected converter device for interfacing a grid network and coupling the grid network to a direct current (DC) source or DC Bus/Network is provided. According to this embodiment, the device includes a neutral-point-clamped inverter circuit having a voltage vdc across the DC source or DC Bus/Network, the neutral-point-clamped inverter circuit including one or more switch legs, each switch leg comprising a corresponding pair of switches having an ele...