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 (L1) 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 (C1) and a resistor (R), 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 (C1) 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 (C1) 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 (L1) 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 (C1) and a resistor (R), 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 (C1) 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 (C1) 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. <EOS>