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1. A power supply apparatus for furnishing short-term electrical peak loads for an electrical drive system, the power supply apparatus encompassing an AC voltage source and a DC voltage source; a rectifier and a DC voltage conductor section being arranged between the AC voltage source and a connector configuration for electrical connection of an associated electrical drive system; the rectifier being connected on an input side to the AC voltage source and on an output side to the DC voltage conductor section; the DC voltage source selectively providing DC power directly to the DC voltage conductor section in order to transfer electrical energy, wherein the DC voltage source is a battery reservoir; wherein the DC voltage conductor section is part of a DC link circuit, so that the DC voltage conductor section electrically connects the output side of the rectifier to an input side of an inverter; the electrical drive system comprising a linear motor drive having a stator part and a rotor part wherein the rotor part is fixed relative to an associated vehicle and is arranged for motion together with the associate vehicle; the stator part being stationary and the stator part being fixed relative to a physical motion track, the DC link circuit and the battery reservoir.
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