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CN102237750A - 风力涡轮机发电机以及装备有这种发电机的风力涡轮机 - Google Patents

风力涡轮机发电机以及装备有这种发电机的风力涡轮机 Download PDF

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CN102237750A
CN102237750A CN2011101027506A CN201110102750A CN102237750A CN 102237750 A CN102237750 A CN 102237750A CN 2011101027506 A CN2011101027506 A CN 2011101027506A CN 201110102750 A CN201110102750 A CN 201110102750A CN 102237750 A CN102237750 A CN 102237750A
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埃马努埃莱·格尔米尼
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Willic SARL
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0244—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
    • F03D7/0248—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking by mechanical means acting on the power train
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • F05B2220/7066—Application in combination with an electrical generator via a direct connection, i.e. a gearless transmission
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
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  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

本发明提供了一种风力涡轮机发电机以及装备有这种发电机的风力涡轮机，其中用于风力涡轮机(1)的发电机(4)具有：围绕旋转轴线(A1)延伸的管状第一支撑结构(12)；围绕旋转轴线(A1)延伸的第二支撑结构(14)，其基本上与第一支撑结构(12)同轴，并装配至第一支撑结构(12)以围绕旋转轴线(A1)旋转；装配至第一支撑结构(12)的第一有功部件(13)；装配至第二支撑结构(14)的第二有功部件(15)，其面向第一有功部件(13)，并通过一环形间隙与第一有功部件(13)间隔开；以及被设计为围绕旋转轴线(A1)调节第一支撑结构(12)的形状的径向张紧装置(23)。

Description

风力涡轮机发电机以及装备有这种发电机的风力涡轮机
技术领域
本发明涉及一种风力涡轮机发电机。
优选地，本发明涉及一种用于直接驱动型(direct-drive)风力涡轮机的发电机。
背景技术
发电机通常包括：围绕旋转轴线延伸的管状第一支撑结构；围绕旋转轴线延伸的第二支撑结构，该第二支持结构基本上与第一支撑结构同轴并被装配至第一支撑结构以围绕旋转轴线旋转；装配至第一支撑结构的第一有功部件；以及装配至第二支撑结构的第二有功部件，该第二有功部件面向第一有功部件并通过一环形间隙与第一有功部件间隔开。
以上类型的发电机是已知的并广泛用在风力涡轮机上。最近，已经使用永磁体同步发电机，特别是在直接驱动型风力涡轮机上，该直接驱动型风力涡轮机即为包括直接与发电机连接的叶片组件，在其之间没有齿轮箱。在文献EP 1,425,840；EP 1,792,381；EP 2,102,496；EP 2,063,115；EP2,063,116；EP 2,063,117；EP 2,143,938；EP 2,143,942和EP 2,143,944中描述了装备有永磁体同步发电机的直接驱动型风力涡轮机的实例。
虽然直接驱动型风力涡轮机比齿轮箱类型在机械上更有效且维护更廉价，并且，同步发电机比异步类型在电力上更有效，但是，直接驱动型风力涡轮机的特征在于相当低的旋转速度，其与对越来越多的电力需求结合在一起，使得必须使用具有多个磁极和高的最大扭矩的永磁体同步发电机并由此必须使用大型发电机，这会产生结构问题。
第一支撑结构和第一有功部件限定发电机的定子或转子，并且第二支撑结构和第二有功部件限定转子或定子，因此，发电机越大，第一和第二支撑结构越大。此外，因为其整体上压在风力涡轮机结构上，所以必须将发电机的重量保持在给定极限内，在该极限之上或高于该极限都需要更大、更昂贵的风力涡轮机。而且，优选地是，第一和第二支撑结构不用太大或太重。
第一支撑结构通常由管状结构限定，除了支撑第一有功部件以外，该管状结构还整体上限定风力涡轮机的承载结构元件，例如，如在EP1,425,840和EP 2,102,496中所示出的。结果，第一支撑结构受到通常小量的应变，特别是在组装过程中，但也可能在发电机的操作过程中。然而，即使第一支撑结构的小量应变也可能由于改变第一和第二有功部件之间的环形间隙而具有严重后果，并由此损害发电机的操作。事实上，通常做法是将环形间隙的径向尺寸减到最小，以提高发电机的效率并减小通量分散，但是，通常必须将环形间隙的尺寸制造得过大，以防止第一支撑结构的应变影响发电机。
发明内容
本发明的一个目的是提供一种发电机，其被设计为减少现有技术的缺点。
本发明的另一目的是提供一种发电机，其被设计为当安装在风力涡轮机上时提供最大效率。
根据本发明，提供一种用于风力涡轮机的发电机；该发电机包括：
-管状第一支撑结构，围绕旋转轴线延伸；
-第二支撑结构，围绕旋转轴线延伸，该第二支撑结构基本上与第一支撑结构同轴并装配至第一支撑结构以围绕旋转轴线旋转；
-第一有功部件，装配至第一支撑结构；
-第二有功部件，装配至第二支撑结构，该第二有功部件面向第一有功部件并通过一环形间隙与第一有功部件间隔开；以及
-径向张紧装置(tensioning device)，被设计为围绕旋转轴线调节第一支撑结构的形状。
因此，可调节第一支撑结构的圆形形状，以控制环形间隙的径向尺寸，且如果必须的话可对该环形间隙的径向尺寸进行校正(correct)。
在本发明的一个优选实施方式中，径向张紧装置包括：环形板；以及从环形板延伸至第一支撑结构的多个径向臂。
因此，环形板提供高度的结构硬度，同时径向臂允许在第一支撑结构的不同部件之间交换力，并允许第一支撑结构的局部变形以校正其圆形形状中的任何缺陷(flaw)。
更具体地，每个径向臂与环形板连接以相对于旋转轴线径向地滑动，并可固定至环形板。
在本发明的另一优选实施方式中，发电机包括径向张紧装置和第二支撑结构之间的轴承。
因此，径向张紧装置提供了对第一支撑结构的圆形形状的校正以及第一和第二支撑结构的同轴对准。
附图说明
将参考附图通过实例描述本发明的多个非限制性实施方式，其中：
图1示出了风力涡轮机的侧视图，为了清楚起见，去除了一些部件；
图2示出了图1风力涡轮机的较大比例的局部截面侧视图，为了清楚起见，去除了一些部件；
图3示出了图2的细节的较大比例的部分截面透视图，为了清楚起见，去除了一些部件；
图4示出了图2的细节的前视图，为了清楚起见，去除了一些部件；
图5示出了本发明的替代实施方式的局部截面透视图，为了清楚起见，去除了一些部件。
具体实施方式
图1中的数字1表示用于产生电力的直接驱动型风力涡轮机整体，并且，其包括垂直支撑部2；机舱(nacelle)3；发电机4；以及装配至机舱3以围绕旋转轴线A1旋转的旋转组件5。机舱3进而装配至垂直支撑部2，以围绕旋转轴线A2旋转；并且，在所示实例中，发电机4是永磁体同步发电机。
机舱3是支撑旋转组件5的基本上管状的构件，旋转组件5部分地在机舱3的内部延伸并部分地在机舱3的外部延伸。在所示实例中，机舱3包括：弯曲管状构件6；发电机4的一部分；以及包括围绕旋转轴线A1连接的两个互补段(sector)8和9的环7。
参考图2，发电机4是管状的，并包括定子10和转子11。定子10包括：管状支撑结构12；以及有功部件(active part)13(在所示实例中是定子部分(stator segment))，围绕旋转轴线A1布置并固定至支撑结构12的内表面。转子11包括：管状支撑结构14；以及有功部件15(在所示实例中是转子部分(rotor segment))，围绕旋转轴线A1布置并固定至支撑结构14的外表面。更具体地，机舱3包括：弯曲管状构件6；定子10，或者更确切地定子10的支撑结构12；以及环7。
有功部件13包括平行于旋转轴线A1的定子部分。每个定子部分包括磁隙和至少一个电绕组，并且是在EP 1,792,381中描述的类型。
有功部件15包括平行于旋转轴线A1的转子部分。每个转子部分包括磁隙和永磁体，并且是在EP 1,792,381中描述的类型。
支撑结构12具有用相应螺栓接合件16和17固定至弯曲管状件6和环7的两个相对的凸缘端部。更具体地，环7可滑动地装配至支撑结构12，并通过螺栓接合件17锁定在位。更具体地，段8和9每个均是半圆形形状，并通过两个螺栓接合件18连接以形成环7。在所示实例中，段8位于段9的下方。风力涡轮机1在机舱3和旋转组件5之间包括轴承19。在所示实例中，风力涡轮机1包括能够承受机舱3和旋转组件5之间的轴向和径向应力的单个轴承19；然而，应理解，图中所示的和在这里描述的具体构造绝非限制本发明的保护范围。轴承19装配至环7的内部，在所示实例中，轴承19直接固定至段8和9，并且固定至旋转组件5的外部。
旋转组件5包括转子11、轮轴(hub)20和装配至轮轴20的叶片21。在所示实例中，旋转组件5还包括位于转子11和轮轴20之间并且在轴承19处且基本上在其内部的连接构件22。更具体地，轴承19直接固定至连接件22；并且轮轴20直接连接至转子11，转子11以和轮轴20相同的速度旋转。
发电机4通常包括：围绕旋转轴线A1延伸的支撑结构12；围绕旋转轴线A1延伸的支撑结构14，其基本上与支撑结构12同轴，并装配至支撑结构12以围绕旋转轴线A1旋转；装配至支撑结构12的有功部件13；以及装配至支撑结构14的有功部件15，其面向有功部件13，并通过一环形间隙与有功部件13间隔开。发电机4还包括径向张紧装置23，其被设计为围绕旋转轴线A1调节支撑结构12的形状，即，以校正支撑结构12的内表面的圆形形状中的任何变形、椭圆化或任何其它缺陷，以便将支撑结构12的形状尽可能保持为圆形。
在所示实例中，径向张紧装置23位于支撑结构12的内部，并且是环形形状。
更具体地，如图3所示，径向张紧装置23包括：环形板24；以及从环形板24延伸至支撑结构12的多个径向臂25，这些径向臂其围绕旋转轴线A1等间距地隔开。
每个径向臂25与环形板24连接，以相对于旋转轴线A1径向地滑动(图2)，并可固定至环形板24。
径向张紧装置23包括多个调节机构26，每个调节机构26与相应的径向臂25相关联，以使径向臂25相对于环形板24径向地滑动。也就是说，环形板24包括多个座27，每个座用于容纳相应的径向臂25；每个调节机构26包括容纳在环形板24内部并用于将相应的径向臂25朝支撑结构12向外推的螺钉28；并且，每个径向臂25可释放地固定至支撑结构12。
每个径向臂25包括位于支撑结构12和14之间的伸出部(projection)29，其靠近支撑结构14，并被设计为防止支撑结构12和14之间的相对径向移动。换句话说，伸出部29由低摩擦材料制成，以允许支撑结构12和14之间的相对旋转，即使是当将伸出部29定位为接触支撑结构14时。
参考图2，有功部件13和有功部件15是平行于旋转轴线A1延伸的部分的形式，并且数量是相等的。径向臂25的数量小于或等于有功部件13和有功部件15的数量，使得一个径向臂25的去除会引出(extract)有功部件13的至少一部分或有功部件15的一部分。径向臂25的数量甚至可能是有功部件的数量的多倍，例如，两倍，使得去除两个径向臂25会引出有功部件13的一部分或有功部件15的一部分，但此解决方案不如之前的一个有利。
相应地，环形板24具有：外边缘30，其直径比支撑结构12的最大直径小，以便不阻碍有功部件15的部分的引出；以及限定检修孔的内边缘31。
参考图3，发电机4包括：制动器32；以及围绕旋转轴线A1布置的锁定装置33(在图3中仅示出一个)。制动器32包括：制动盘34；以及围绕旋转轴线A1布置的多个制动卡钳35(在图3中仅示出一个)。制动盘34与支撑结构14制成一体，并由平行于环形板24且在支撑结构14内延伸的环形板限定。每个制动卡钳35包括：固定至环形板24的框架36；安装在制动盘34的相对侧上的两个爪37；以及致动机构38，用于致动爪37(在图3中仅示出一个)，以选择性地夹住制动盘34。每个锁定装置33包括：销39；以及致动器40，固定至环形板24以使销39在静止(rest)位置(图3)和工作位置(未示出)之间移动。并且，制动盘34包括多个围绕旋转轴线A1布置并且当销39处于工作位置中时通过销39接合的孔41。
图4示出了处于锁定构造中的发电机4，即，其中，锁定装置33将支撑结构12和14相对于彼此锁定。而且，发电机4少一个径向臂25，并装配有引出装置42，引出装置42装配至邻近缺少的径向臂25的两个径向臂25，并用于在缺少的径向臂处拔出有功部件13和/或15的一部分。
支撑结构12的外表面装配有散热片F。
在图5中，径向张紧装置23由径向张紧装置43代替，其除了校正支撑结构12的圆形形状以外，还用来以围绕旋转轴线A1旋转的方式连接支撑结构12和14。
与径向张紧装置23相似，径向张紧装置43包括：环形板44；以及多个径向臂45，从环形板44延伸至支撑结构12并围绕旋转轴线A1等间距地隔开。每个径向臂45与环形板44连接，以相对于旋转轴线A1径向地滑动(图2)，并可固定至环形板44。径向张紧装置43包括多个调节机构46，每个调节机构与相应的径向臂45相关联，以使径向臂45相对于环形板44径向地滑动。在图5的实例中，环形板44包括被设计并定位为使得能够使用与调节机构26相似的调节机构46的开口47。并且，环形板44包括尺寸与外边缘30和内边缘31(图3)相同的外边缘48和内边缘49。
发电机4在径向张紧装置43和支撑结构14之间包括轴承50。也就是说，径向张紧装置43的内边缘49接触轴承50；并且，转子11包括：位于轴承50内部的环51，以及将环51与支撑结构14连接的法兰52。发电机4还包括固定至环51的盘53，并且其还可还用作制动盘。一般来说，径向张紧装置43可装配有如图3和图4所示的本发明的在前实施方式的制动器和锁定装置33。
图5的实施方式中的径向张紧装置同时提供对支撑结构12的圆形形状的调节以及支撑结构12和14的同轴对准。
然而，明显地，在不背离所附权利要求的范围的前提下，可对这里描述的发电机和风力涡轮机进行改变。
更具体地，在一个未示出的变型中，去除了环7，并且，根据替代实施方式将定子10和轴承19连接，例如，如在专利EP 1,425,840中描述的。
在以上描述中，为了简单起见，重复地引用了特定的螺栓接合件，其旨在表示用于实现连接而用螺栓和螺母制成的接合件或者直接拧在部件之一中的螺钉，并可利用任何其它类型的可释放接合件代替。

Claims (17)

1.一种用于风力涡轮机的发电机，所述发电机(4)包括：
-管状第一支撑结构(12)，围绕一旋转轴线(A1)延伸；
-第二支撑结构(14)，围绕所述旋转轴线(A1)延伸，所述第二支撑结构与所述第一支撑结构(12)基本同轴并被装配至所述第一支撑结构(12)以围绕所述旋转轴线(A1)旋转；
-第一有功部件(13)，装配至所述第一支撑结构(12)；
-第二有功部件(15)，装配至所述第二支撑结构(14)，所述第二有功部件面向所述第一有功部件(13)并通过一环形间隙与所述第一有功部件(13)间隔开；以及
-径向张紧装置(23；43)，被设计为围绕所述旋转轴线(A1)调节所述第一支撑结构(12)的形状。
2.根据权利要求1所述的发电机，其中，所述径向张紧装置(23；43)位于所述第一支撑结构(12)内。
3.根据权利要求1所述的发电机，其中，所述径向张紧装置(23；43)是环形的。
4.根据权利要求1所述的发电机，其中，所述径向张紧装置(23；43)包括：环形板(24；44)；以及多个径向臂(25；45)，从所述环形板(24；44)延伸至所述第一支撑结构(12)。
5.根据权利要求4所述的发电机，其中，每个径向臂(25；45)与所述环形板(24；44)连接以相对于所述旋转轴线(A1)径向地滑动，并且能够固定至所述环形板(24；44)。
6.根据权利要求5所述的发电机，其中，所述径向张紧装置(23；43)包括多个调节机构(26；46)，每个调节机构与一径向臂(25；45)相关联，以使该径向臂(25；45)相对于所述环形板(24；44)滑动。
7.根据权利要求4所述的发电机，其中，每个径向臂(25；45)被可释放地固定至所述第一支撑结构(12)。
8.根据权利要求4所述的发电机，其中，每个径向臂(25)包括位于所述第一支撑结构(12)与所述第二支撑结构(14)之间的伸出部(29)，所述伸出部靠近所述第二支撑结构(14)以防止所述第一支撑结构(12)与所述第二支撑结构(14)之间的相对径向移动。
9.根据权利要求4所述的发电机，其中，所述第一有功部件(13)和所述第二有功部件(15)的数量是相等的，而所述径向臂(25；45)的数量小于或等于所述第一有功部件(13)的数量或者所述径向臂(25；45)的数量是所述第一有功部件(13)的倍数。
10.根据权利要求4所述的发电机，包括至少一个锁定装置(33)，所述锁定装置包括：销(39)，所述销平行于所述旋转轴线，且由所述环形板(24)支撑并能够选择性地平行于所述旋转轴线(A1)移动；以及盘(35)，所述盘平行于所述环形板(24)并具有至少一个孔(41)，当所述销(39)处于工作位置中时，所述孔(41)被所述销(39)接合。
11.根据权利要求4所述的发电机，包括制动器(32)，所述制动器包括：制动盘(34)，所述制动盘平行于所述环形板(24)并固定至所述第二支撑结构(14)；以及至少一个制动卡钳(35)，所述制动卡钳装配至所述环形板(24)并包括用于选择性地夹住所述制动盘(34)的两个爪(37)。
12.根据权利要求1所述的发电机，包括位于所述径向张紧装置(43)与所述第二支撑结构(14)之间的轴承(50)。
13.根据权利要求1所述的发电机，其中，所述第二支撑结构(14)优选是管状的。
14.一种风力涡轮机，包括：竖直结构(2)；机舱(3)，位于所述竖直结构(2)的顶部上；叶片组件(5)，以旋转方式装配至所述机舱(3)；以及根据权利要求1所述的发电机(4)。
15.根据权利要求14所述的风力涡轮机，其中，所述叶片组件(5)与所述第二支撑结构(14)直接连接。
16.根据权利要求14所述的风力涡轮机，其中，所述第一支撑结构(12)部分地限定所述机舱(3)。
17.根据权利要求14所述的风力涡轮机，包括沿着所述第一支撑结构(12)的外表面的散热片(F)。
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