The present invention relates to a DC-to-DC power converter (100), comprising at least two energy buffer units (102, 104), wherein each energy buffer unit (102, 104) is configured to receive a first-type voltage component and to respectively produce a voltage Vb at an output of the DC-to-DC power converter (100), and at least one energy exchanger (106), wherein the at least one energy exchanger (106) is connected to the at least two energy buffer units (102, 104) and is configured to exchange energy between the at least two energy buffer units (102, 104).
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