Multilevel power converter or inverter arrangement using H bridges

摘要

Multilevel voltage arrangement having a transformer and a power converter or inverter comprising one or more common DC links connectable to a power source, said arrangement comprising one first set of H bridges being connected to said common DC link, wherein each of said H bridges comprises with at least two nodes connected to the ends of wirings at the primary side of a transfer, wherein control means are configured for controlling H bridges so as to achieve a multilevel voltage signal between the first node and the second node of said H bridges.