Inverter comprising: - a DC/AC-converter, - a DC intermediate circuit on the DC input side of the DC/AC-converter, - a plurality of DC/DC-converters, the output sides of which are connected in parallel to each other to the DC intermediate circuit, - a plurality of inputs each leading to one of the DC/DC-converters and - an EMC filter connected between the inputs and the DC/DC-converters, - wherein the EMC filter comprises - chokes (15, 16) in all current-carrying lines (5, 6) between the inputs and the DC/DC-converters and - filter capacitors (19, 20) between the inputs and the DC/DC-converters leading to earth from all current-carrying lines (5, 6), - wherein from at least two inputs - beside in each case one own current-carrying line - a common current-carrying line is leading to the two associated DC/DC-converters and wherein the inverter is arranged to be operated in a first configuration, in which the at least two inputs are connected in parallel to each other by hard-coupling of their own current carrying lines, and in a second configuration in which that hard-coupling is not present, characterized in - that a controller is provided, that controls the switches of the associated DC/DC-converters synchronously relative to each other, if the at least two inputs are connected in parallel to each other by hard-coupling of their own current-carrying lines, and - that the chokes (15, 16) in all current-carrying lines (5, 6) of the at least two inputs are formed by choke windings (25, 26) on a common core of a current-compensated choke. - a DC/AC-converter, - a DC intermediate circuit on the DC input side of the DC/AC-converter, - a plurality of DC/DC-converters, the output sides of which are connected in parallel to each other to the DC intermediate circuit, - a plurality of inputs each leading to one of the DC/DC-converters and - an EMC filter connected between the inputs and the DC/DC-converters, - wherein the EMC filter comprises - chokes (15, 16) in all current-carrying lines (5, 6) between the inputs and the DC/DC-converters and - filter capacitors (19, 20) between the inputs and the DC/DC-converters leading to earth from all current-carrying lines (5, 6), - chokes (15, 16) in all current-carrying lines (5, 6) between the inputs and the DC/DC-converters and - filter capacitors (19, 20) between the inputs and the DC/DC-converters leading to earth from all current-carrying lines (5, 6), - wherein from at least two inputs - beside in each case one own current-carrying line - a common current-carrying line is leading to the two associated DC/DC-converters and wherein the inverter is arranged to be operated in a first configuration, in which the at least two inputs are connected in parallel to each other by hard-coupling of their own current carrying lines, and in a second configuration in which that hard-coupling is not present, - that a controller is provided, that controls the switches of the associated DC/DC-converters synchronously relative to each other, if the at least two inputs are connected in parallel to each other by hard-coupling of their own current-carrying lines, and - that the chokes (15, 16) in all current-carrying lines (5, 6) of the at least two inputs are formed by choke windings (25, 26) on a common core of a current-compensated choke.