Patent ID: 7276812

Claim:
A method for non-contact transmission of electric power from at least one medium-frequency current source having a frequency including a deviation around a medium frequency to at least one moving consumer via at least one transmission line and transformer head allocated to the consumer, the consumer including a downstream matching controller configured to adjust the power received from the transmission line, comprising: feeding a transmission line from a medium-frequency current source with a medium-frequency current that is constant during power transmission; supplying a respective consumer with energy from at least one matching controller including at least one feed-in, at least one supplied current rectified in one rectifier, and smoothed by one link-current reactor; in accordance with a switch, either supplying a link-circuit current to a link-circuit capacitor buffering output voltage of the matching controller or shunting the link-circuit current upstream of the link-circuit capacitor in accordance with a power demand of the consumers; and switching the switch at a switching frequency selected as a value based on the medium frequency; and limiting the switching frequency to less than double the medium frequency.