Abstract: A vortex generator for a wind turbine rotor blade includes a base plate having a lower surface configured for being mounted to an outer surface of the wind turbine rotor blade, an upper surface opposite the lower surface, a front edge, a rear edge and a longitudinal axis, wherein the rear edge of the base plate includes a perpendicular section arranged perpendicular to the longitudinal axis, and at least one plate-shaped fin with a first longitudinal section arranged at the upper surface of the base plate, a second longitudinal section which extends beyond the rear edge and has a lower edge which is not connected to the base plate. The first longitudinal section includes a rear part arranged rearwards of the perpendicular section and the base plate includes a first stiffening section arranged rearwards of the perpendicular section and forming a transition to the rear part.

Abstract: A serrated panel for a wind turbine rotor blade, including: at least two teeth, each having a tip, base, length measured in a chordwise direction, pressure side, suction side and two edges having an edge height measured between the suction and the pressure side, and a plurality of tines arranged in a chordwise direction, the tines extending rearwards from an edge of a tooth and having a tine width and a tine height. The tines have a cross-section with a first straight section forming a suction side of the tine and defining the tine width, and an opposite section forming a pressure side of the tine, the suction side of the tine transfers smoothly into the suction side of the tooth, the tine height is larger than the edge height, and the pressure side of the tine extends in a forward direction beyond the edge of the tooth.

Abstract: A wind turbine rotor blade including a blade root, a blade tip, a leading edge, a trailing edge, a suction side, a pressure side and a heatable surface area including at least one electrical heating element, wherein the heatable surface area covers a section of the leading edge and has a first edge facing the blade tip, a second edge facing the blade root, a third edge arranged on the suction side and a fourth edge arranged on the pressure side, characterized in that the wind turbine rotor blade includes a first layer of an electrically insulating material, wherein the first layer is smaller than the heatable surface area and is arranged on top of the at least one electrical heating element along the leading edge and such that it extends beyond the first edge.

Abstract: A serrated panel includes an attachment section having a leading edge, an attachment surface for connecting to a trailing edge of a rotor blade, a rear end, an external surface opposite the attachment surface, and a plurality of teeth. Each tooth has a tip, a base arranged at the rear end, a longitudinal axis extending from the base to the tip, a pressure side surface, and a suction side surface. The external surface of the attachment section for each tooth has a transition surface forming a transition between the leading edge and the pressure side surface. A longitudinal section in a first plane perpendicular to the attachment surface extends along the longitudinal axis of the tooth. The transition surface has a forward, concave section and a rearward, convex section. The forward, concave section is arranged nearer to the leading edge of the attachment section than the rearward, convex section.

Abstract: A serrated panel is for a trailing edge of a wind turbine rotor blade. The serrated panel includes a plurality of teeth, each tooth having a tip, a base, two edges running from the tip to the base, a longitudinal axis, a pressure side surface and a suction side surface, and a plurality of vanes arranged side by side with a gap between adjacent vanes, each vane beginning at one of the edges and extending in a rearward direction. Each vane has a vane length, a vane width and a vane height. The pressure side surfaces and/or the suction side surfaces of the teeth include wave elements beginning at or near one of the edges and extending in a forward direction. Each wave element has a crest which is aligned with one of the vanes and a wave element width which is larger than the vane width.

Abstract: A heating element for a wind turbine rotor blade including: two electrical connectors adapted to be connected to electrical supply lines of the wind turbine rotor blade, and a defined geometry configured to be arranged on a specified surface area of the wind turbine rotor blade. The heating element is provided with a position indicator adapted to be aligned with a leading edge of the wind turbine rotor blade.

Abstract: A wind turbine rotor blade including a wind turbine rotor blade shell structure including a fiber reinforced composite material; an electrical heating element arranged on an outer surface of the wind turbine rotor blade shell structure, the electrical heating element having an electrical heating conductor with an end section; an electrical supply line running along a longitudinal direction of the wind turbine rotor blade; and, a connector connecting the end section of the heating conductor electrically to the electrical supply line wherein the connector includes an outer thread screwed directly into the fiber reinforced composite material and into the electrical supply line.

Abstract: A vortex generator for a wind turbine rotor blade includes a base plate having a lower surface configured for being mounted to an outer surface of the wind turbine rotor blade, an upper surface opposite the lower surface, a front edge, a rear edge and a longitudinal axis, wherein the rear edge of the base plate includes a perpendicular section arranged perpendicular to the longitudinal axis, and at least one plate-shaped fin with a first longitudinal section arranged at the upper surface of the base plate, a second longitudinal section which extends beyond the rear edge and has a lower edge which is not connected to the base plate. The first longitudinal section includes a rear part arranged rearwards of the perpendicular section and the base plate includes a first stiffening section arranged rearwards of the perpendicular section and forming a transition to the rear part.

Abstract: The segments of a segmented wind turbine rotor blade are screwed together at respective connection ends via a plurality of connecting bolts. Sleeve-shaped pressure pieces are arranged between the rotor blade segments, each of which is mounted on a connecting bolt. A plurality of first metal sheets is provided, each first metal sheet being arranged between a respective connection end and several pressure pieces, so that an electrically conductive connection is formed between several pressure pieces via a first metal sheet. The first metal sheets, which are associated with the first connection end, are each arranged along the circumference of the rotor blade offset from the first metal sheets, which are associated with the second connection end. Further, a metal sheet for a segmented wind turbine rotor blade is disclosed.

Abstract: The disclosure relates to a wind turbine rotor blade, including an aerodynamic add-on element comprising a baseplate, the baseplate having an upper side and a bottom side, wherein the aerodynamic add-on element is mounted with the bottom side of the baseplate to an outer surface of the wind turbine rotor blade, at least a section of the bottom side is inclined relative to the outer surface of the wind turbine rotor blade along a downstream direction of an operational wind flow, such that a gap is formed between the at least one section and the outer surface in which a distance between the outer surface and the bottom side increases along the downstream direction, and adhesive is provided in the gap to bond the aerodynamic add-on element to the outer surface of the wind turbine rotor blade. The disclosure also relates to an aerodynamic add-on element.

Abstract: The disclosure concerns a segmented wind turbine rotor blade, which is formed by at least two rotor blade segments, wherein at a division area of the wind turbine rotor blade the segments are firmly connected together at respective connection ends via a plurality of connecting elements, wherein a gap is formed between the connection ends, and a fairing is attached to the segments at the division area, the fairing covering the gap and the connecting elements; wherein the fairing is divided into at least two separate fairing sections, the fairing sections are coupled together at coupling regions at the pressure side and/or at the suction side of the rotor blade, and the coupling regions are spaced apart from the trailing edge or leading edge. The disclosure also concerns a method.

Abstract: The segments of a segmented wind turbine rotor blade are screwed together at respective connection ends via a plurality of connecting bolts. Sleeve-shaped pressure pieces are arranged between the rotor blade segments, each of which is mounted on a connecting bolt. A plurality of first metal sheets is provided, each first metal sheet being arranged between a respective connection end and several pressure pieces, so that an electrically conductive connection is formed between several pressure pieces via a first metal sheet. The first metal sheets, which are associated with the first connection end, are each arranged along the circumference of the rotor blade offset from the first metal sheets, which are associated with the second connection end. Further, a metal sheet for a segmented wind turbine rotor blade is disclosed.

Abstract: The invention is directed to a partitioned rotor blade for a wind turbine, which, with respect to a longitudinal axis of the rotor blade, is formed by a first rotor blade segment and a second rotor blade segment. The first rotor blade segment has at a first connection end, a first connecting region along the longitudinal axis, and the second rotor blade segment has at a second connection end, which is associated with the first connection end, a second connecting region along the longitudinal axis. The two connecting regions are connected at a partition interface of the rotor blade and form a common segmentation region. In the segmentation region, a common outer contour of the rotor blade is formed by the connection of both rotor blade segments. The outer contour is singly curved.

Abstract: The disclosure relates to a wind turbine rotor blade, including an aerodynamic add-on element comprising a baseplate, the baseplate having an upper side and a bottom side, wherein the aerodynamic add-on element is mounted with the bottom side of the baseplate to an outer surface of the wind turbine rotor blade, at least a section of the bottom side is inclined relative to the outer surface of the wind turbine rotor blade along a downstream direction of an operational wind flow, such that a gap is formed between the at least one section and the outer surface in which a distance between the outer surface and the bottom side increases along the downstream direction, and adhesive is provided in the gap to bond the aerodynamic add-on element to the outer surface of the wind turbine rotor blade. The disclosure also relates to an aerodynamic add-on element.

Abstract: The disclosure concerns a segmented wind turbine rotor blade, which is formed by at least two rotor blade segments, wherein at a division area of the wind turbine rotor blade the segments are firmly connected together at respective connection ends via a plurality of connecting elements, wherein a gap is formed between the connection ends, and a fairing is attached to the segments at the division area, the fairing covering the gap and the connecting elements; wherein the fairing is divided into at least two separate fairing sections, the fairing sections are coupled together at coupling regions at the pressure side and/or at the suction side of the rotor blade, and the coupling regions are spaced apart from the trailing edge or leading edge. The disclosure also concerns a method.

Abstract: A vortex generator defines a longitudinal direction and has two fins, which are each arranged at an angle in relation to the longitudinal direction and extend over a first length in the longitudinal direction, and a base, which connects the two fins to each other, the base having a width and extending over a second length in the longitudinal direction, wherein the second length is less than the first length over the entire width of the base.

Abstract: The invention is directed to a partitioned rotor blade for a wind turbine, which, with respect to a longitudinal axis of the rotor blade, is formed by a first rotor blade segment and a second rotor blade segment. The first rotor blade segment has at a first connection end, a first connecting region along the longitudinal axis, and the second rotor blade segment has at a second connection end, which is associated with the first connection end, and a second connecting region along the longitudinal axis. The two connecting regions are connected at a partition interface of the rotor blade and form a common segmentation region. In the segmentation region, a common outer contour of the rotor blade is formed by the connection of both rotor blade segments. The outer contour is singly curved.

Abstract: A connection and fastening unit for components of a lightning protection system, the connection and fastening unit being realized for the purpose of being integrated in a wind turbine rotor blade and for being connected to the components of the lightning protection system, wherein the connection and fastening unit includes a cavity which can be closed in an airtight manner and in which a connector for connection to at least one of the components of the lightning protection system is arranged.

Abstract: The invention is directed to a method for making an equipotential bonding connection between two components of a lightning protection arrangement of a wind turbine rotor blade. The method includes providing a wind turbine rotor blade having two rotor blade half shells having respective connection and fastening units connected to corresponding ones of the two components of the lightning protection arrangement. A space is present in the interior of the rotor blade between the two connection and fastening units. A connection conductor is introduced from outside of the rotor blade through a through opening in one of the two connection and fastening units into the interior space of the wind turbine rotor blade. The two ends of the connection conductor are fastened to corresponding ones of the connection and fastening units such that the connection conductor bridges the interior space along an essentially linear imaginary line.

Abstract: A vortex generator defines a longitudinal direction and has two fins, which are each arranged at an angle in relation to the longitudinal direction and extend over a first length in the longitudinal direction, and a base, which connects the two fins to each other, the base having a width and extending over a second length in the longitudinal direction, wherein the second length is less than the first length over the entire width of the base.