A LIGHTNING CURRENT TRANSFER UNIT FOR A WIND TURBINE
    1.
    发明申请
    A LIGHTNING CURRENT TRANSFER UNIT FOR A WIND TURBINE 审中-公开
    风力涡轮机的闪电电流传输单元

    公开(公告)号:WO2016095932A1

    公开(公告)日:2016-06-23

    申请号:PCT/DK2015/050406

    申请日:2015-12-18

    Abstract: A lightning current transfer unit for a wind turbine, the wind turbine comprising a first part and a second part being rotatable relative to each other, wherein the lightning current transfer unit is arranged to provide electrical contact between the first and second parts, the lightning current transfer unit comprising: a first current transfer portion comprising a first slider and configured to be electrically coupled to a first electrically conducting slideway of the first part of the wind turbine, the first slider being rotatable relative to the first slideway; a second current transfer portion configured to be electrically coupled to an electrically conducting portion of the second part of the wind turbine; a first main spring biasing the first slider towards the first slideway; wherein the first slider comprises: a primary contact biased towards the first slideway by the first main spring; a secondary contact arranged to move relative to the primary contact; and a secondary spring arranged between the first main spring and the secondary contact such that the secondary spring biases the primary contact away from the first slideway and biases the secondary contact towards the first slideway.

    Abstract translation: 一种用于风力涡轮机的雷电流传递单元,所述风力涡轮机包括相对于彼此可旋转的第一部分和第二部分,其中所述雷电流传递单元布置成提供所述第一和第二部分之间的电接触,所述雷电流 传送单元,包括:第一电流传输部分,包括第一滑块并且被配置为电耦合到风力涡轮机的第一部分的第一导电滑道,第一滑块可相对于第一滑道旋转; 第二电流传输部分,被配置为电耦合到风力涡轮机的第二部分的导电部分; 第一主弹簧将第一滑块朝向第一滑道偏置; 其中所述第一滑块包括:由所述第一主弹簧偏压朝向所述第一滑道的主接触件; 辅助触点布置成相对于主触点移动; 以及设置在所述第一主弹簧和所述次级接触件之间的次级弹簧,使得所述次弹簧将所述主触头偏压离开所述第一滑道并将所述次触点偏压朝向所述第一滑道。

    A WIND TURBINE COMPRISING A LIGHTNING PROTECTION SYSTEM

    公开(公告)号:WO2021069040A1

    公开(公告)日:2021-04-15

    申请号:PCT/DK2020/050271

    申请日:2020-10-07

    Abstract: The present invention provides a wind turbine comprising a lightning protection system for providing an electrical conduction path suitable for conducting lightning from the rotor to electrical ground. The lightning protection system comprises a shroud which is electrically coupled to a wind turbine bearing housing and a wind turbine hub and/or the front end of the main shaft. The shroud forms part of the electrical conduction path so to electrically couple a wind turbine rotor to the bearing housing via a short circuit path that bypasses the bearing arrangement.

    A LIGHTNING CURRENT TRANSFER UNIT FOR A WIND TURBINE
    3.
    发明申请
    A LIGHTNING CURRENT TRANSFER UNIT FOR A WIND TURBINE 审中-公开
    风力涡轮机的闪电电流传输单元

    公开(公告)号:WO2013182202A1

    公开(公告)日:2013-12-12

    申请号:PCT/DK2013/050176

    申请日:2013-06-06

    CPC classification number: F03D80/50 F03D80/30 F05D2260/30 Y02E10/726

    Abstract: A lightning current transfer unit (100) for a wind turbine, the lightning current transfer unit (100) comprising a first portion (20a) configured to be electrically coupled to an electrically conducting portion of a blade of a wind turbine electrically connected to a down conductor of the blade and a second portion (20b) configured to be electrically coupled to an electrically conducting portion of a nacelle of the wind turbine connected to a down conductor connected to earth. The first portion (20a) and the second portion (20b) are both independently movable to maintain electrical coupling to the electrically conducting portion of the blade and nacelle respectively. A lightning current transfer portion (104) is provided that comprises a spark gap (106) formed between an electrical connection (108) to the first portion (20a) and an electrical connection (110) to the second portion (20b). The electrical connections (108, 110) are moveable with their respective first or second portion (20a, 20b). The spark gap (106) has a spark gap distance (111) and the lightning current transfer portion (104) is configured such that the distance is substantially constant during movement of the first portion (20a), second portion (20b) and electrical connections and such that lightning current is transferred from the first portion (20a) to the second portion (20b).

    Abstract translation: 一种用于风力涡轮机的雷电流传递单元(100),所述雷电流传输单元(100)包括第一部分(20a),所述第一部分(20a)被电耦合到风力涡轮机的叶片的导电部分, 导体和第二部分(20b),其被配置为电耦合到连接到连接到地面的下导体的风力涡轮机的机舱的导电部分。 第一部分(20a)和第二部分(20b)都可独立地移动以保持与叶片和机舱的导电部分的电耦合。 提供了雷电流传递部分(104),其包括形成在与第一部分(20a)的电连接(108)和到第二部分(20b)的电连接(110)之间的火花隙(106)。 电连接(108,110)可与其相应的第一或第二部分(20a,20b)一起移动。 火花隙(106)具有火花隙距离(111),雷电流传递部分(104)构造成使得在第一部分(20a),第二部分(20b)和电连接 并且使得雷电流从第一部分(20a)传递到第二部分(20b)。

    ROTOR-BLADE DISCHARGE UNIT FOR WIND TURBINES
    4.
    发明申请
    ROTOR-BLADE DISCHARGE UNIT FOR WIND TURBINES 审中-公开
    用于风力涡轮机的转子叶片排放单元

    公开(公告)号:WO2015086025A1

    公开(公告)日:2015-06-18

    申请号:PCT/DK2014/050418

    申请日:2014-12-08

    CPC classification number: F03D80/30 F05B2260/50 Y02E10/72

    Abstract: A rotor-blade discharge unit enabling electric charges to be discharged from a rotor blade of a wind turbine, the rotor blade discharge unit comprising at least one current transfer arrangement, the current transfer arrangement comprising: a roller device, an electrically conductive slideway, and a spark gap, wherein the roller device is biased towards the conductive slideway and is movable relative to the conductive slideway, the roller device comprising: at least one contact wheel, having a rolling surface and the contact wheel is arranged to roll on the conductive slideway and is biased towards the conductive slideway, wherein the rolling surface is arranged to deform against the conductive slideway under the bias acting on the roller device, wherein the contact wheel and the conductive slideway form a first current path to discharge the electric charges and wherein the spark gap forms a second current path upon occurrence of a spark bridging the spark gap, wherein the second current path is connected in parallel to said first current path.

    Abstract translation: 一种转子叶片放电单元,其使得电荷能够从风力涡轮机的转子叶片排出,所述转子叶片排出单元包括至少一个电流传输装置,所述电流传输装置包括:辊装置,导电滑道和 火花隙,其中所述辊装置被朝向所述导电滑道偏置并且可相对于所述导电滑道移动,所述辊装置包括:至少一个接触轮,具有滚动表面,并且所述接触轮设置成在导电滑道上滚动 并且偏向所述导电滑道,其中所述滚动表面布置成在作用在所述滚筒装置上的偏压下抵靠所述导电滑道变形,其中所述接触轮和所述导电滑道形成第一电流路径以排出所述电荷,并且其中 当发生火花隙的火花发生时,火花隙形成第二电流路径,其中第二电极 t路径与所述第一电流路径并联连接。

    LIGHTNING CURRENT TRANSFER SYSTEM AND WIND TURBINE USING THE LIGHTNING CURRENT TRANSFER SYSTEM
    5.
    发明申请
    LIGHTNING CURRENT TRANSFER SYSTEM AND WIND TURBINE USING THE LIGHTNING CURRENT TRANSFER SYSTEM 审中-公开
    使用闪电电流传输系统的雷电电流传输系统和风力涡轮机

    公开(公告)号:WO2015051800A1

    公开(公告)日:2015-04-16

    申请号:PCT/DK2014/050311

    申请日:2014-10-03

    CPC classification number: F03D80/30 F03D1/065 F03D9/25 Y02E10/721 Y02E10/726

    Abstract: The present invention relates to a lightning current transfer system (100) adapted for usage in a wind turbine (W) having a hub (20) that is rotatably supported relative to a generator in a nacelle (30) and a plurality of blades (10) that are pivotably connected with the hub, wherein the hub (20) is covered by a spinner (20A). The lightning current transfer system (100) comprises a blade band (10A) mountable to the root of the blade (10); a lightning ring (80) mountable to the spinner (20A) facing the nacelle (30); a first contact device (70) mountable to the spinner (20A) adapted for providing lightning current transfer from the blade band (10A); a connecting device (75) for connecting the first contact device (70) with the lightning ring (80); and a second contact device (30B) mountable to the nacelle (30) and adapted for providing lightning current transfer from the lightning ring (80) to ground.

    Abstract translation: 本发明涉及一种适用于具有轮毂(20)的风力涡轮机(W)的雷电流传递系统(100),所述轮毂(20)相对于机舱(30)中的发电机和多个叶片(10)可旋转地支撑 ),其与所述毂枢转地连接,其中所述轮毂(20)被旋转器(20A)覆盖。 闪电电流传输系统(100)包括可安装到叶片(10)的根部的叶片带(10A); 安装到所述旋转器(20A)的面向所述机舱(30)的防雷环(80); 可安装到所述旋转器(20A)的第一接触装置(70),适于从所述叶片带(10A)提供雷电流传递; 用于将所述第一接触装置(70)与所述防雷环(80)连接的连接装置(75); 以及可安装到所述机舱(30)并适于提供从所述防雷环(80)到地面的雷电电流传输的第二接触装置(30B)。

    ROTOR-BLADE DISCHARGE UNIT FOR WIND TURBINES
    6.
    发明公开
    ROTOR-BLADE DISCHARGE UNIT FOR WIND TURBINES 审中-公开
    旋翼叶片排出装置的风力涡轮机

    公开(公告)号:EP3080447A1

    公开(公告)日:2016-10-19

    申请号:EP14811760.9

    申请日:2014-12-08

    CPC classification number: F03D80/30 F05B2260/50 Y02E10/72

    Abstract: A rotor-blade discharge unit enabling electric charges to be discharged from a rotor blade of a wind turbine, the rotor blade discharge unit comprising at least one current transfer arrangement, the current transfer arrangement comprising: a roller device, an electrically conductive slideway, and a spark gap, wherein the roller device is biased towards the conductive slideway and is movable relative to the conductive slideway, the roller device comprising: at least one contact wheel, having a rolling surface and the contact wheel is arranged to roll on the conductive slideway and is biased towards the conductive slideway, wherein the rolling surface is arranged to deform against the conductive slideway under the bias acting on the roller device, wherein the contact wheel and the conductive slideway form a first current path to discharge the electric charges and wherein the spark gap forms a second current path upon occurrence of a spark bridging the spark gap, wherein the second current path is connected in parallel to said first current path.

    A LIGHTNING CURRENT TRANSFER UNIT FOR A WIND TURBINE
    8.
    发明公开
    A LIGHTNING CURRENT TRANSFER UNIT FOR A WIND TURBINE 审中-公开
    风力发电机组的雷击电流传输装置

    公开(公告)号:EP3234352A1

    公开(公告)日:2017-10-25

    申请号:EP15816654.6

    申请日:2015-12-18

    Abstract: A lightning current transfer unit for a wind turbine, the wind turbine comprising a first part and a second part being rotatable relative to each other, wherein the lightning current transfer unit is arranged to provide electrical contact between the first and second parts, the lightning current transfer unit comprising: a first current transfer portion comprising a first slider and configured to be electrically coupled to a first electrically conducting slideway of the first part of the wind turbine, the first slider being rotatable relative to the first slideway; a second current transfer portion configured to be electrically coupled to an electrically conducting portion of the second part of the wind turbine; a first main spring biasing the first slider towards the first slideway; wherein the first slider comprises: a primary contact biased towards the first slideway by the first main spring; a secondary contact arranged to move relative to the primary contact; and a secondary spring arranged between the first main spring and the secondary contact such that the secondary spring biases the primary contact away from the first slideway and biases the secondary contact towards the first slideway.

    Abstract translation: 一种用于风力涡轮机的雷电流传输单元,所述风力涡轮机包括相对于彼此可旋转的第一部分和第二部分,其中所述雷电流传输单元被布置为提供所述第一和第二部分之间的电接触,所述雷电流 其包括:第一电流传输部分,其包括第一滑块并且被配置为电耦合到所述风力涡轮机的所述第一部分的第一导电滑道,所述第一滑块能够相对于所述第一滑道旋转; 第二电流传输部分,其被配置为电耦合到所述风力涡轮机的所述第二部分的导电部分; 第一主弹簧,所述第一主弹簧朝向所述第一滑道偏压所述第一滑块; 其中所述第一滑块包括:通过所述第一主弹簧朝向所述第一滑道偏置的主触点; 被配置为相对于主触头移动的副触头; 以及布置在所述第一主弹簧与所述次级触点之间的次级弹簧,使得所述次级弹簧将所述主级触点偏压离开所述第一滑道并且将所述次级触点朝向所述第一滑道偏置。

    A LIGHTNING CURRENT TRANSFER UNIT FOR A WIND TURBINE

    公开(公告)号:EP3234352B1

    公开(公告)日:2018-09-19

    申请号:EP15816654.6

    申请日:2015-12-18

    Abstract: A lightning current transfer unit for a wind turbine, the wind turbine comprising a first part and a second part being rotatable relative to each other, wherein the lightning current transfer unit is arranged to provide electrical contact between the first and second parts, the lightning current transfer unit comprising: a first current transfer portion comprising a first slider and configured to be electrically coupled to a first electrically conducting slideway of the first part of the wind turbine, the first slider being rotatable relative to the first slideway; a second current transfer portion configured to be electrically coupled to an electrically conducting portion of the second part of the wind turbine; a first main spring biasing the first slider towards the first slideway; wherein the first slider comprises: a primary contact biased towards the first slideway by the first main spring; a secondary contact arranged to move relative to the primary contact; and a secondary spring arranged between the first main spring and the secondary contact such that the secondary spring biases the primary contact away from the first slideway and biases the secondary contact towards the first slideway.

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