Patent ID: 11867158
Assignee: GENERAL ELECTRIC RENOVABLES ESPANA, S.L.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  H  Y | IPC F  H

Claim 15:
16. A wind turbine comprising a nacelle arranged on top of a wind turbine tower;
a wind turbine rotor with a plurality of blades, the wind turbine rotor operatively coupled to a main generator;
one or more auxiliary systems;
a first auxiliary wind energy converter arranged with a first portion of the nacelle, wherein the first auxiliary wind energy converter is operatively coupled with an auxiliary generator, and has a rotor plane substantially parallel to the first portion of the nacelle; and
wherein the auxiliary generator is configured to provide electrical power to one or more of the auxiliary systems when the wind turbine is disconnected from an electrical grid.