Power converter for operating a first electric machine and a second electric machine , comprising: a first converter element , a second converter element and a first terminal connection , a second terminal connection and a third terminal connection for connecting the power converter to a three-phase energy supply , wherein the first converter element comprises a first rectifier circuit and a second rectifier circuit , the second converter element comprises a third rectifier circuit , wherein the first rectifier circuit has a first AC-side pole and a second AC-side pole , the second rectifier circuit has a third AC-side pole and a fourth AC-side pole and the third rectifier circuit has a fifth AC-side pole and a sixth AC-side pole , the first rectifier circuit and the second rectifier circuit are connected in parallel on the DC-voltage side and are connected to a common first DC-voltage-side pole and a common second DC-voltage-side pole , wherein the third rectifier circuit is connected on the DC-voltage side to a third DC-voltage-side pole and a fourth DC-voltage-side pole , wherein the first DC-voltage-side pole is at least connectable to the third DC-voltage-side pole by means of a first current path and the second DC-voltage-side pole is at least connectable to the fourth DC-voltage-side pole by means of a second current path , wherein the first current path and the second current path each comprise a semiconductor switch , and wherein the power converter is configured such that the second converter element is supplied with energy from a first DC voltage intermediate circuit connected to the first DC-voltage-side pole and the second DC-voltage-side pole when the first current path and the second current path are closed, wherein the respective semiconductor switch is part of the first rectifier circuit or third rectifier circuit . a first converter element , a second converter element and a first terminal connection , a second terminal connection and a third terminal connection for connecting the power converter to a three-phase energy supply , wherein the first converter element comprises a first rectifier circuit and a second rectifier circuit , the second converter element comprises a third rectifier circuit , wherein the first rectifier circuit has a first AC-side pole and a second AC-side pole , the second rectifier circuit has a third AC-side pole and a fourth AC-side pole and the third rectifier circuit has a fifth AC-side pole and a sixth AC-side pole , the first rectifier circuit and the second rectifier circuit are connected in parallel on the DC-voltage side and are connected to a common first DC-voltage-side pole and a common second DC-voltage-side pole , wherein the third rectifier circuit is connected on the DC-voltage side to a third DC-voltage-side pole and a fourth DC-voltage-side pole , wherein the first DC-voltage-side pole is at least connectable to the third DC-voltage-side pole by means of a first current path and the second DC-voltage-side pole is at least connectable to the fourth DC-voltage-side pole by means of a second current path , wherein the first current path and the second current path each comprise a semiconductor switch , and wherein the power converter is configured such that the second converter element is supplied with energy from a first DC voltage intermediate circuit connected to the first DC-voltage-side pole and the second DC-voltage-side pole when the first current path and the second current path are closed, wherein the respective semiconductor switch is part of the first rectifier circuit or third rectifier circuit . <EOS>