ROTOR BLADE OF A WIND TURBINE, COMPRISING AN INSULATOR LAYER AND A PROTECTIVE LAYER
The invention relates to a rotor blade of a wind turbine, comprising at least one girder ( 2 ), at least one protective layer ( 4 ) which is arranged on the at least one girder ( 2 ) on the rotor blade outer side, wherein the at least one protective layer ( 4 ) is designed to be electrically conductive and connected to a lightning conductor ( 16 ), wherein at least one electrically insulating insulator layer ( 3 ) which is arranged between the at least one protective layer ( 4 ) and the at least one girder ( 2 ).
1 . Rotor blade of a wind turbine, comprising at least one girder ( 2 ), at least one protective layer ( 4 ) which is arranged on the at least one girder ( 2 ) on the rotor blade outer side, wherein the at least one protective layer ( 4 ) is designed to be electrically conductive and is connected to a lightning conductor ( 16 ), characterised by at least one electrically insulating insulator layer ( 3 ) which is arranged between the at least one protective layer ( 4 ) and the at least one girder ( 2 ).
2 . Rotor blade according to claim 1 , characterised in that the at least one insulator layer ( 3 ) completely covers an outline of the at least one girder ( 2 ).
3 . Rotor blade according to claim 1 , characterised in that the at least one girder ( 2 ) is designed to be electrically conductive.
4 . Rotor blade according to claim 1 , characterised in that the at least one girder ( 2 ) is a girder ( 2 ) containing carbon fibres.
5 . Rotor blade according to claim 1 , characterised in that an electrically conductive connection ( 26 ) is provided between the at least one girder ( 2 ) and the at least one protective layer ( 4 ) only at the tip end of the girder ( 2 ) or only at the root end of the girder ( 2 ).
6 . Rotor blade according to claim 1 , characterised in that the at least one girder ( 2 ) has a large number of carbon fibre-reinforced individual layers ( 25 ).
7 . Rotor blade according to claim 1 , characterised in that the at least one protective layer ( 4 ) is separately electrically conductively connected to the lightning conductor ( 16 ).
8 . Method for producing a rotor blade of a wind turbine, the at least one protective layer ( 4 ) which is designed to be electrically conductive being arranged on at least one girder ( 2 ) on the rotor blade outer side and being connected to a lightning conductor ( 16 ), characterised in that at least an electrically insulating insulator layer ( 3 ) is arranged between the at least one protective layer ( 4 ) and the at least one girder ( 2 ).
9 . Rotor blade according to claim 8 , characterised in that an electrically conductive connection ( 26 ) is provided between the at least one girder ( 2 ) and the at least one protective layer ( 4 ) only at the tip end of the girder ( 2 ) or only at the root end of the girder ( 2 ).
10 . Method according to claim 8 , characterised in that the at least one girder ( 2 ) has a large number of carbon fibre-reinforced individual layers ( 25 ).