Converter arrangement with - a converter that can be connected between an alternating voltage grid and a direct voltage circuit, which converter has converter arms (121-126) that each extend between an alternating voltage connection and a direct voltage connection , wherein each converter arm (121-126) 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 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 (121-126) that each extend between an alternating voltage connection and a direct voltage connection , wherein each converter arm (121-126) 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 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. <EOS>