Converter arrangement with - a converter that can be connected between an alternating voltage grid and a direct voltage circuit, which converter has converter arms that each extend between an alternating voltage connection and a direct voltage connection, wherein each converter arm comprises a series circuit of two-pole submodules that comprise power semiconductors, as well as - a star point reactor that is arranged on the alternating voltage side of the converter, comprises inductor coils (9, 10, 11) that are connected to form an earthed star point, and is designed in such a way that direct currents arising in the direct voltage circuit as a result of an asymmetry of the voltages can flow away via the star point reactor, characterized by a suppression filter that is arranged between the star point and an earth connection and that is designed to suppress a harmonic of an alternating voltage of the alternating voltage grid, wherein the suppression filter comprises a parallel resonant circuit with a capacitor and an inductor, wherein a resonant frequency of the parallel resonant circuit is matched to the frequency of the harmonic to be suppressed, wherein the inductor is a primary winding of a suppression filter transformer, wherein a secondary winding of the suppression filter transformer is connected to an alternating voltage connection of a suppression filter converter, wherein the suppression filter converter is designed to generate an alternating voltage (Uh) at the alternating voltage connection, the frequency of which corresponds to the frequency of the harmonic that is to be suppressed, and wherein the suppression filter is also designed to actively regulate a DC flux in an iron core of the inductor of the suppression filter transformer to zero. - a converter that can be connected between an alternating voltage grid and a direct voltage circuit, which converter has converter arms that each extend between an alternating voltage connection and a direct voltage connection, wherein each converter arm comprises a series circuit of two-pole submodules that comprise power semiconductors, as well as - a star point reactor that is arranged on the alternating voltage side of the converter, comprises inductor coils (9, 10, 11) that are connected to form an earthed star point, and is designed in such a way that direct currents arising in the direct voltage circuit as a result of an asymmetry of the voltages can flow away via the star point reactor, a suppression filter that is arranged between the star point and an earth connection and that is designed to suppress a harmonic of an alternating voltage of the alternating voltage grid, wherein the suppression filter comprises a parallel resonant circuit with a capacitor and an inductor, wherein a resonant frequency of the parallel resonant circuit is matched to the frequency of the harmonic to be suppressed, wherein the inductor is a primary winding of a suppression filter transformer, wherein a secondary winding of the suppression filter transformer is connected to an alternating voltage connection of a suppression filter converter, wherein the suppression filter converter is designed to generate an alternating voltage (Uh) at the alternating voltage connection, the frequency of which corresponds to the frequency of the harmonic that is to be suppressed, and wherein the suppression filter is also designed to actively regulate a DC flux in an iron core of the inductor of the suppression filter transformer to zero.