An electrical circuit (10) is described which includes a transformer (12) with primary winding (13) connected to the electric power grid (17) and secondary winding (14) connected to a power converter (19) with a capacitor (20). It includes a circuit arrang...

The method involves connecting an electric power supply device with a power supply network (13) in the form of a direct voltage over an inverter (17). A maximum power point (MPP) tracker is provided for influencing the inverter to determine the intermediat...