Patent ID: 8330300

Claim:
Device for supplying a current to an object, the device comprises an input (E) configured for connecting the device to an electric power grid (N) for supplying electric energy, at least one output (A) to which the object is to be connected, at least one AC current regulator ( 1 ) configured to supply the object connected to the at least one output (A) with electric current from the electric power grid (N), and at least one frequency converter ( 2 ) configured to supply the object connected to the at least one output (A) with electric current from the electric power grid (N), with the electric current having a higher frequency than the current provided by the AC current regulator ( 1 ); the object being supplied simultaneously with a lower frequency current provided by the AC current regulator ( 1 ) and the higher frequency current supplied by the at least one frequency converter ( 2 ).