Twelve-pulse high-voltage direct-current meeting

A device (29) for transmitting electrical power between AC power systems (2, 3) via DC lines (8a, 8b, 9a, 9b) of the inverter connected to one another (6, 7) each having a plurality of six-pulse converter bridges (19, 20, 21 , 22), wherein the six-pulse converter bridges (19, 20, 21, 22) of the same inverter (6, 7) via inductors (4, 5) with different phase offset to a (the inverters 6, 7) each associated with alternating voltage network (2 , 3) are connectable and a control unit for igniting converter valves (28) of the six-pulse converter bridges (19, 20, 21, 22) is provided to provide, which is less expensive, it is proposed that the converters (6, 7) over several direct current circuits (30, 31) are connected to each other, each direct current circuit is galvanically isolated from at least one alternating voltage network (2, 3) separated.