Electric power converter apparatus for an electric DC power transmission system, comprising at least one module (10) with an AC power input (11) through which the AC power to be converted enters and a DC power output (12) through which the converted DC pow...

A multilevel inverter (22) is provided. The multilevel inverter (22) includes a plurality of bridges (60), each bridge configured to receive a respective portion of an input DC power (32) and convert the respective portion to a respective converted AC powe...