Patent ID: 8779610

Claim:
A Wind energy system, comprising: a support; a rotor affixed to the support, and turning around a rotor axle, having several rotor blades drivable by wind power; a generator coupled with the rotor; a first converter directly coupled to the generator on an input side of the first converter and electrically coupled directly to an electrical distribution network on an exit side of the first converter; and a second converter removably coupled directly to the generator on an input side of the second converter via a first switch, removably coupled directly to at least one auxiliary system on an exit side of the second converter via a second switch, and removably coupled to the electrical distribution network on the input side of the second converter via a third switch; wherein the first converter is a frequency converter; and wherein the second converter is configured to supply power to the at least one auxiliary system from both the electrical distribution network and the generator.