Assembly having at least one direct-current transmission link , in particular a high-voltage direct-current transmission link , a voltage limiting device and a multilevel power converter , wherein the multilevel power converter comprises at least one phase module , wherein the phase module comprises an AC voltage terminal , a first DC voltage terminal and a second DC voltage terminal , the voltage limiting device is electrically connected to the first DC voltage terminal and to the second DC voltage terminal and the voltage limiting device is configured to limit a voltage (U) that occurs between the first DC voltage terminal and the second DC voltage terminal depending on the polarity of said voltage, wherein - the first DC voltage terminal and the second DC voltage terminal are connected to the direct-current transmission link , in particular the high-voltage direct-current transmission link , - wherein the direct-current transmission link comprises two different conductor types , which differ with regard to their capacitance per unit length, - wherein the different conductor types are an overhead line , a cable and/or a gas-insulated line, and wherein - the voltage limiting device is configured so that it limits as a negative voltage only a voltage (U) of one polarity that occurs between the first DC voltage terminal and the second DC voltage terminal , which results from reflections between the various conductor types, and in particular leaves substantially unchanged as a positive voltage a voltage of the opposite polarity that occurs between the first DC voltage terminal and the second DC voltage terminal , - the voltage limiting device comprises at least one semiconductor valve (54_1), in particular a series circuit formed by semiconductor valves (54_1, ..., 54_n), or a controllable spark gap , and - an electrical resistor is connected in series with the at least one semiconductor valve (54_1, ..., 54 n) or in series with the spark gap , wherein - the electrical resistor is a varistor . - the first DC voltage terminal and the second DC voltage terminal are connected to the direct-current transmission link , in particular the high-voltage direct-current transmission link , - wherein the direct-current transmission link comprises two different conductor types , which differ with regard to their capacitance per unit length, - wherein the different conductor types are an overhead line , a cable and/or a gas-insulated line, and - the voltage limiting device is configured so that it limits as a negative voltage only a voltage (U) of one polarity that occurs between the first DC voltage terminal and the second DC voltage terminal , which results from reflections between the various conductor types, and in particular leaves substantially unchanged as a positive voltage a voltage of the opposite polarity that occurs between the first DC voltage terminal and the second DC voltage terminal , - the voltage limiting device comprises at least one semiconductor valve (54_1), in particular a series circuit formed by semiconductor valves (54_1, ..., 54_n), or a controllable spark gap , and - an electrical resistor is connected in series with the at least one semiconductor valve (54_1, ..., 54 n) or in series with the spark gap , wherein - the electrical resistor is a varistor . <EOS>