Patent ID: 11913433
Assignee: SIEMENS GAMESA RENEWABLE ENERGY A/S
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. An arrangement for discharging current due to a lightning stroke at a tip add-on of a rotor blade of a wind turbine, the arrangement comprising:
a plurality of receptors spaced apart from each other, arranged at defined positions axially along the tip add-on and which protrude from an airfoil wall of the tip add-on, the plurality of receptors configured to receive the lightning stroke;
a conductor configured to conduct the current received from one or more of the plurality of receptors due to the lightning stroke, wherein the conductor is disposed within the tip add-on and comprises an interface portion configured to be electrically connected to a blade internal down conductor system for discharging lightning stroke currents;
an insulation arranged around the conductor, wherein the insulation with the conductor is arrangeable within the tip add-on; and
an interface receiving container configured to receive the interface portion including a margin and to protect the interface portion from being contaminated during manufacturing the tip add-on, wherein the interface receiving container is configured to protect the interface portion from being contaminated during foaming an inside of the tip add-on;
wherein an inner space surrounding the airfoil wall of the tip add-on is completely filled with foam between the interface receiving container and the plurality of receptors.