A converter comprising: a current main branch with a grid-side three-phase line, with a DC intermediate circuit, and with a load-side three-phase line, wherein the grid-side three-phase line being connected to the DC intermediate circuit via a grid-side converter, wherein the DC intermediate circuit being connected to the load-side three-phase line via a load-side converter, a secondary branch arranged in parallel with the grid-side converter between a first connection point in the grid-side three-phase line and a second connection point in the load-side three-phase line, the current main branch comprises a choke arranged between the first connection point and the second connection point, characterized in that the secondary branch comprises three connection lines between the first connection point and the second connection point, the secondary branch being arranged such that each connection line between the first connection point and the second connection point comprises a series circuit of a capacitor and a resistor, wherein the second connection point is located in the load-side three-phase line, wherein each connection line is connected at a first end to each line of the grid-side three-phase line via a capacitor-star circuit comprising capacitors of the series circuit, and each connection line being connected at a second end opposite the first end to a respective one of the lines of the three-phase line on the load side, or each connection line being connected at a first end to each line of the three-phase line on the load side via a capacitor-star circuit having capacitors of the series circuit, and each connection line being connected at a second end opposite the first end to a respective line of the three-phase line on the grid side. a current main branch with a grid-side three-phase line, with a DC intermediate circuit, and with a load-side three-phase line, wherein the grid-side three-phase line being connected to the DC intermediate circuit via a grid-side converter, wherein the DC intermediate circuit being connected to the load-side three-phase line via a load-side converter, a secondary branch arranged in parallel with the grid-side converter between a first connection point in the grid-side three-phase line and a second connection point in the load-side three-phase line, the current main branch comprises a choke arranged between the first connection point and the second connection point, characterized in that the secondary branch comprises three connection lines between the first connection point and the second connection point, the secondary branch being arranged such that each connection line between the first connection point and the second connection point comprises a series circuit of a capacitor and a resistor, wherein the second connection point is located in the load-side three-phase line, wherein each connection line is connected at a first end to each line of the grid-side three-phase line via a capacitor-star circuit comprising capacitors of the series circuit, and each connection line being connected at a second end opposite the first end to a respective one of the lines of the three-phase line on the load side, or each connection line being connected at a first end to each line of the three-phase line on the load side via a capacitor-star circuit having capacitors of the series circuit, and each connection line being connected at a second end opposite the first end to a respective line of the three-phase line on the grid side.