WIND TURBINE BLADE LIGHTNING PROTECTION SYSTEM

Disclosed is a wind turbine blade comprising a shell body, a down conductor arranged in the shell body for conducting lightning current to ground, an electrical connector arranged in electrical connection with the down conductor, a lightning receptor element arranged at a surface of the shell body or outside the shell body, the lightning receptor element being in electrical connection with the electrical connector. A method for manufacturing a wind turbine blade with a lightning protection system is also provided. 11080580510. A wind turbine blade () comprising a shell body , a down conductor () arranged in the shell body for conducting lightning current to ground , an electrical connector () arranged in electrical connection with the down conductor , a lightning receptor element () arranged at a surface of the shell body or outside the shell body , the lightning receptor element being in electrical connection with the electrical connector.220. A wind turbine blade in accordance with claim 1 , wherein the lightning receptor element is located at a trailing edge () of the shell body.3. A wind turbine blade in accordance with claim 1 , wherein at least 30% of an external surface of the lightning receptor element consists of graphite claim 1 , and/or at least 30% by volume of an exterior portion of the lightning receptor element consists of graphite.4. A wind turbine blade in accordance with claim 1 , wherein the lightning receptor element comprises an exterior portion extending outside the shell body claim 1 , and wherein the exterior portion consists entirely of graphite.5571572. A wind turbine blade in accordance with claim 1 , wherein the shell body comprises an opening ( claim 1 , ) accommodating the electrical connector and/or the lightning receptor element claim 1 , and the blade further comprises a cover member attached to the shell body claim 1 , the cover member covering the shell body opening claim 1 , the cover member comprising:{'b': '601', 'a first cover ...

LIGHTNING PROTECTION FOR A WIND TURBINE BLADE

Disclosed is a wind turbine blade comprising a first blade section and a second blade section connected to the first blade section. The wind turbine blade comprises a first down conductor for conducting lightning current to ground. The blade further comprises one or more lightning receptors at or in proximity of an external surface of the wind turbine blade. A smallest distance from a first lightning receptor of the one or more lightning receptors to an interface between the first blade section and the second blade section may be less than or equal to a chord length of a chord of the wind turbine blade at the interface between the first blade section and the second blade section. 11017154450465215343480868635351018638abaea,ba. Wind turbine blade () extending along a longitudinal axis from a root end () to a tip end () , the wind turbine blade comprising a first blade section () extending along the longitudinal axis to a first end () , and a second blade section () connected to the first blade section , the second blade section extending along the longitudinal axis from a second end () towards the tip end () , the first blade section comprising a first airfoil region () , the second blade section comprising a second airfoil region () , the wind turbine blade comprising a first down conductor () for conducting lightning current to ground , the blade further comprising one or more lightning receptors (-) at or in proximity of an external surface () of the wind turbine blade , a smallest distance () from a first lightning receptor () of the one or more lightning receptors to the first end of the first blade section being less than or equal to a chord length of a chord () of the wind turbine blade at the first end , the first lightning receptor being in electrical connection with the first down conductor.2101. Wind turbine blade according to claim 1 , wherein a smallest distance () between the first lightning receptor and the first end of the first blade section is less ...

Spar Configuration for Jointed Wind Turbine Rotor Blades

A jointed wind turbine rotor blade includes a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint. A beam structure extends span-wise from the first blade segment into a receiving section formed in the second blade segment. The receiving section includes opposite spar caps and opposite interconnecting webs. The spar caps have a constant thickness along the receiving section where the spar caps overlap with the beam structure and are formed of a material or combination of materials along the receiving section to produce a desired stiffness of the spar caps along the receiving section. The webs have a reduced amount of conductive material adjacent to a chord-wise joint between the blade segments. 1. A wind turbine rotor blade , comprising:a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint, each of the blade segments having a pressure side shell member and a suction side shell member;a beam structure extending span-wise from the first blade segment;a receiving section formed in the second blade segment for receipt of the beam structure, the receiving section comprising opposite spar caps and opposite interconnecting webs; andthe spar caps comprising a constant thickness along the receiving section where the spar caps overlap with the beam structure to produce a desired stiffness of the spar caps along the receiving section.2. The wind turbine rotor blade according to claim 1 , wherein the spar caps comprise a non-conductive material at a terminal end thereof at the chord-wise joint.3. The wind turbine rotor blade according to claim 2 , wherein an entirety of the constant thickness of the spar caps at the chord-wise joint is defined by the non-conductive material claim 2 , wherein the non-conductive material extends span-wise away from the chord-wise joint for a defined length.4. The wind turbine rotor blade according to claim 2 , wherein the spar caps comprise a ...

LIGHTNING RECEPTOR BRACKET

Disclosed is a support element for a lightning protection system of a wind turbine blade comprising: a first surface configured to face towards the suction side or the pressure side of the wind turbine blade; a second surface opposite the first surface; a root side surface configured to face towards the root of the wind turbine blade; and a tip side surface configured to face towards the tip of the wind turbine blade; wherein the first surface comprises a first receptor base recess configured to receive a first receptor base for coupling with a first receptor of the lightning protection system. 1. A support element for a lightning protection system of a wind turbine blade extending from a root to a tip , the wind turbine blade comprising a root region , an airfoil region with the tip , a pressure side , a suction side and a chord line extending between a leading edge and a trailing edge , the support element being configured to support one or more elements of the lightning protection system , the support element comprising:a first surface configured to face towards the suction side or the pressure side of the wind turbine blade, the first surface having a leading first edge and a trailing first edge opposite the leading first edge, the first surface having a tip first edge and a root first edge opposite the tip first edge;a second surface opposite the first surface, the second surface having a leading second edge and a trailing second edge opposite the leading second edge, the second surface having a tip second edge and a root second edge opposite the tip second edge;a root side surface configured to face towards the root of the wind turbine blade and extending between the root first edge and the root second edge; anda tip side surface configured to face towards the tip of the wind turbine blade and extending between the tip first edge and the tip second edge;wherein the first surface comprises a first receptor base recess configured to receive a first receptor base ...

Lightning protection of a sectioned wind turbine blade

Disclosed is wind turbine blade and a spar beam for structurally connecting a first blade section and a second blade section of a wind turbine blade. The spar beam comprises a first fibre reinforced element extending parallel to a spar beam axis. The spar beam comprising a conductive beam sheath circumscribing at least a beam sheath angular distance of the spar beam about the spar beam axis and longitudinally extending from a fourth beam axis position to a fifth beam axis position. The first fibre reinforced element is positioned between the conductive beam sheath and the spar beam axis.

Lightning protection of a section wind turbine blade

Disclosed is a wind turbine blade comprising a first blade section extending along a longitudinal axis from a root end to a first end and a second blade section extending along the longitudinal axis from a second end to a tip end. The wind turbine blade comprising a spar beam configured for connecting the first blade section and the second blade section. The first blade section comprises a first down conductor and the second blade section comprises a second down conductor. The wind turbine blade comprises a conductive connector element for electrically connecting the first down conductor and the second down conductor.

Lightning receptor bracket

Lightning protection system for main laminate of rotor blade of wind turbine

Disclosed a wind turbine blade comprising a main laminate and a method for manufacturing a main laminate for a wind turbine blade. The wind turbine blade extends in a longitudinal direction from a root to a tip and comprising a pressure side, a suction side and a chord line extending between a leading edge and a trailing edge. Particularly, lightning protection of such main laminate is disclosed.

Lightning receptor bracket

Disclosed is a support element for a lightning protection system of a wind turbine blade comprising: a first surface configured to face towards the suction side or the pressure side of the wind turbine blade; a second surface opposite the first surface; a root side surface configured to face towards the root of the wind turbine blade; and a tip side surface configured to face towards the tip of the wind turbine blade; wherein the first surface comprises a first receptor base recess configured to receive a first receptor base for coupling with a first receptor of the lightning protection system.

Lightning protection of a sectioned wind turbine blade

Disclosed is a spar beam and a wind turbine blade comprising a spar beam. The wind turbine blade comprising a first blade section extending along a longitudinal axis from a root to a first end and a second blade section extending along the longitudinal axis from a second end to a tip. The spar beam comprises a conductive beam sheath circumscribing at least a beam sheath angular distance of the spar beam about the spar beam axis and longitudinally extending from a fourth beam axis position to a fifth beam axis position.

Wind turbine blade lightning protection system

Lightning protection of a section wind turbine blade

Disclosed is a wind turbine blade comprising a first blade section extending along a longitudinal axis from a root end to a first end and a second blade section extending along the longitudinal axis from a second end to a tip end. The wind turbine blade comprising a spar beam configured for connecting the first blade section and the second blade section. The first blade section comprises a first down conductor and the second blade section comprises a second down conductor. The wind turbine blade comprises a conductive connector element for electrically connecting the first down conductor and the second down conductor.

Lightning protection for a wind turbine blade

Disclosed is a wind turbine blade comprising a first blade section and a second blade section connected to the first blade section. The wind turbine blade comprises a first down conductor for conducting lightning current to ground. The blade further comprises one or more lightning receptors at or in proximity of an external surface of the wind turbine blade. A smallest distance from a first lightning receptor of the one or more lightning receptors to an interface between the first blade section and the second blade section may be less than or equal to a chord length of a chord of the wind turbine blade at the interface between the first blade section and the second blade section.

Lynbeskyttelsessystem til vindmøllevinge

lâmina de rotor de turbina eólica

LÂMINA DE ROTOR DE TURBINA EÓLICA. Uma lâmina de rotor de turbina eólica articulada (28) inclui um primeiro segmento de lâmina (30) e um segundo segmento de lâmina (32) que se estendem em direções opostas a partir de uma junta no sentido da corda (chord-wise) (34). Uma estrutura de viga (40) se estende no sentido da envergadura (span-wise) do primeiro segmento de lâmina (30) para uma seção de recepção (60) formada no segundo segmento de lâmina (32). A seção de recepção inclui longarinas (spar caps) opostas (68, 70) e tramas de interligação opostas (72). As longarinas (68, 70) possuem uma espessura constante (74) ao longo da seção de recepção (60) em que as longarinas (68, 70) se sobrepõem à estrutura de viga (40) e são formadas por um material ou combinação de materiais ao longo da seção de recepção (60) para produzir uma rigidez desejada das longarinas (68, 70) ao longo da seção de recepção (60). As tramas (72) possuem uma quantidade reduzida do material condutor (82) adjacente à junta no sentido da corda (34) entre os segmentos de lâmina (30, 32).

Spar configuration for jointed wind turbine rotor blades

A jointed wind turbine rotor blade (28) includes a first blade segment (30) and a second blade segment (32) extending in opposite directions from a chord-wise joint (34). A beam structure (40) extends span-wise from the first blade segment (30) into a receiving section (60) formed in the second blade segment (32). The receiving section includes opposite spar caps (68, 70) and opposite interconnecting webs (72). The spar caps (68, 70) have a constant thickness (74) along the receiving section (60) where the spar caps (68, 70) overlap with the beam structure (40) and are formed of a material or combination of materials along the receiving section (60) to produce a desired stiffness of the spar caps (68, 70) along the receiving section (60). The webs (72) have a reduced amount of conductive material (82) adjacent to the chord-wise joint (34) between the blade segments (30, 32).

Lightning protection of a sectioned wind turbine blade

Disclosed is a spar beam and a wind turbine blade comprising a spar beam. The wind turbine blade comprising a first blade section extending along a longitudinal axis from a root to a first end and a second blade section extending along the longitudinal axis from a second end to a tip. The spar beam comprises a conductive beam sheath circumscribing at least a beam sheath angular distance of the spar beam about the spar beam axis and longitudinally extending from a fourth beam axis position to a fifth beam axis position.