F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
F03D 11/00 (2006.01) H02G 13/00 (2006.01)
Patent
CA 2543515
The invention relates to a wind turbine (1) comprising stationary means such as a nacelle (3) and a tower (2) comprising stationary lightning protection means (46), and rotating means such as a rotor including at least one wind turbine blade (5) and shaft means (14), each of said at least one wind turbine blade (5) comprising rotating lightning protection means (47). The stationary and rotating lightning protection means (46, 47) comprise contact surfaces (17, 18) connected by lightning connection means (15). The lightning connection means (15) comprises at least two contact means (19, 19a, 19b) adapted for connecting said rotating and stationary lightning protection means (46, 47). Further, it comprises at least one electric conductor (30) establishing a dedicated connection between said at least two contact means (19, 19a, 19b) and force transferring means (26, 27) for said at least two contact means (19, 19a, 19b) establishing a continuous connection between said at least two contact means (19, 19a, 19b) and the contact surfaces (17, 18) of said stationary and rotating lightning protection means (46, 47). The invention also relates to lightning connection means (15) for a wind turbine (1), a method and use hereof.
L'invention concerne une éolienne (1) qui comprend un élément stationnaire de type nacelle (3) et une tour (2) comportant un élément stationnaire de protection contre la foudre (46), et un élément rotatif de type rotor qui comprend au moins une pale (5) d'éolienne et un élément tige (14), chaque éolienne (5) comprenant un élément rotatif de protection contre la foudre (47). Les éléments stationnaire et rotatif de protection contre la foudre (46, 47) comprennent des surfaces de contact (17, 18) reliées par un élément de raccord parafoudre (15). Cet élément de raccord parafoudre (15) comprend au moins deux éléments de contact (19, 19a, 19b) conçus pour raccorder lesdits éléments stationnaire et rotatif de protection contre la foudre (46, 47). Ledit élément de raccord parafoudre (15) comprend en outre au moins un conducteur électrique (30) qui établit une connexion spécialisée entre lesdits éléments de contact (19, 19a, 19b), et des éléments de transfert de force (26, 27) pour lesdits éléments de contact (19, 19a, 19b) qui établissent une connexion continue entre lesdits éléments de contact (19, 19a, 19b) et les surfaces de contact (17, 18) desdits éléments stationnaire et rotatif de protection contre la foudre (46, 47). L'invention concerne également un élément de raccord parafoudre (15) pour une éolienne (1), un procédé et une utilisation associés.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Vestas Wind Systems A/s
LandOfFree
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