公开(公告)号：US20250043773A1

公开(公告)日：2025-02-06

申请号：US18576731

申请日：2022-07-05

Applicant: LM WIND POWER A/S

Inventor： Isaac TOVAR ,  Allan HANSEN ,  Rajamanohari DEVARAJ ,  Victor MIRANDA ,  Lars Bo HANSEN ,  Peter BENTSEN

IPC: F03D80/40 ,  F03D80/00 ,  F03D80/30

Abstract: A wind turbine blade comprising: an aerodynamic shell body with a suction side shell part and a pressure side shell part that extends in a longitudinal direction between a root and a tip and in a transverse direction between a leading edge and a trailing edge, and an electro-thermal system for mitigating ice formation on the wind turbine blade, the electro-thermal system comprising: a heating layer comprising electrically conductive fibres arranged to extend substantially in a longitudinal section of the aerodynamic shell body, wherein the electrically conductive fibres of the heating layer are configured for, upon receiving electrical power from a power cable, supplying resistive heating to an exterior side of the wind turbine blade so as to mitigate ice formation on the wind turbine blade; a metallic lightning protection layer arranged exteriorly to and overlapping the heating layer; and a down conductor being electrically connected to the metallic lightning protection layer so as to conduct a lightning strike current from the metallic lightning protection layer to the first end of the down conductor; wherein the heating layer and the metallic lightning protection layer are embedded in and co-infused with the aerodynamic shell body.