CN1446393A - 定子支架 - Google Patents

定子支架 Download PDF

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Publication number
CN1446393A
CN1446393A CN01813973A CN01813973A CN1446393A CN 1446393 A CN1446393 A CN 1446393A CN 01813973 A CN01813973 A CN 01813973A CN 01813973 A CN01813973 A CN 01813973A CN 1446393 A CN1446393 A CN 1446393A
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Prior art keywords
stator
wind turbine
supporting arm
supporting
generator
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CN01813973A
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CN1301581C (zh
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阿洛伊斯·沃本
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807Rotary generators
    • H02K7/1823Rotary generators structurally associated with turbines or similar engines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/18Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

本发明涉及一种风力透平机,其具有在机器罩中带有定子和转子的发电机,该机器罩配置在风力透平机塔的顶部,定子具有包括多个支承臂的支架结构。风力透平机的发电机是一种环形发电机。这种类型的风力透平机是公知的并已大量应用。风力透平机的研制发展趋势是使发电机输出更大。这种趋势经常伴随着单个组件(特别是它们的支承臂)尺寸的增加,因而质量增加。本发明提供一种风力透平机,其组件重量降低以及降低噪声散发。该环形发电机包括定子和转子,定子具有一支架结构,通过该支架结构固定定子环和定子绕组,其特征在于通过多个由条组件组成的支承臂形成该支架结构。

Description

定子支架
本发明涉及一种具有发电机的风力透平机,该发电机具有在一配置在风力透平机塔顶部的机器罩内的定子和转子,其中该定子具有包括多个支承臂的支架结构。风力透平机中的发电机为环形发电机。
这种类型的风力透平机是公知的并已大量应用。风力透平机的研制发展趋势是使发电机输出更大。这种趋势经常伴随着单个组件(特别是它们的支承臂)尺寸的增加,因而它们的质量增加。
目前的现有技术已经制造一种其舱重量(机器罩重量)达90-100吨量级的风力透平机。这种重量的部件是其上安装发电机定子的定子支架。然而,难于操纵这样大的质量,并在塔和塔基础上产生相当大的应力,不仅导致材料应力增加,而且还使风力透平机的上述单个组件的成本增加。通过描述这样一个事实,即应当看到风力透平机的舱(即机器罩)不仅运输到安装现场,而且在很多情况下,必须按它们的各单个部件吊装到塔的顶部。
除了建筑法律问题之外,风力透平机首先遇到的另一个问题是噪声散发,这与在各邻里之间对这种透平的认可有关,即使由现代风力透平机产生的噪声散发也构成一种干扰,并可能降低对这种透平机的认可。
由于支承臂具有中空的内部和密封的外表面,由支承臂产生的噪声散发部分,结果导致形成共振体。
因此,本发明的目的是提供一种风力透平机,使它的组件重量降低以及降低噪声散发。
根据本发明,通过具有开通结构的定子支架实现该目的。这种开通结构导致重量降低,另一方面,还减少所用的材料。还降低噪声散发,这是因为借助它们的开通结构,支承臂可以不再形成共振体,因此,至少消除了支承臂的噪声散发。
由于与众所周知的设计结构相比较降低了重量,致使根据本发明的定子支架有助于降低舱质量,并因此改进组件和/或整体舱的操纵和输送能力。
由各从属权要求限定其它优选实施例的特征。
下面参照附图详细介绍一个实施例。
其中:
图1是根据本发明的支承臂侧立面视图;
图2是根据本发明的具有多个支承臂的定子支架的正视图。
在图1所示侧立面视图中的支承臂12具有开通结构,导致可以不再形成共振体。从支承臂的基底18上升,可以看到在支承臂12中有多个孔22,这样,由侧向条(bar)24和其间的横向支撑(横向件)26形成支承臂结构。因此,支承臂12不形成共振体,所以不可能散发噪声。
按照本发明的支承臂12从基底18沿着预定的距离延伸,该距离保证附装到所述支承臂12的定子20的尺寸。在支承臂12中与基底18相反的端部,元件16垂直于支承臂12延伸,在元件16的端部具有支承板17。定子20安装在所述支承板17上。支承板17可以具有比元件16横截面积更大的面积。
根据本发明的支承臂12的实施例中,如图1所示,深度(即图中的水平延伸)是恒定的。然而,所述深度可以变化,因此允许本发明的支承臂12的横截面变化。
图2是包括根据本发明的具有多个支承臂12的定子支架10的平面视图。在该图中,可以明显看出,由条24和横向元件26形成的支承臂12的类似栅格的开通结构。
因此,支承臂12具有开通结构并利用它们向内取向的基底18形成一开孔,转子轴(转子插端)可以延伸通过该开孔。在这方面,支承臂12可以用作一些单个的元件。另外,各支承臂12例如在它们的基底18处可以连接在一起,以形成一个整体的定子支架10或多个定子支架段,这些段作为它们的部件可以是单个配置,或者连接在一起,以形成一个整体的定子支架10。
将每个支承臂12的径向向外指向的端部分成两个延伸臂14。每个延伸臂14中的外侧成直角的元件16轴向上平行于转子轴的方向延伸。其上附装定子20的支承板17的面积可以比部件16横截面积更大。
延伸臂14的横截面从臂12的基底18到其外端,即当其向外延伸到垂直元件16时,其尺寸逐渐降低。在所示实施例中呈现的支承臂12的情况下,特别是在延伸臂14中,这种横断面的变化导致由于宽度(在图2中的支承臂12的水平延伸)的降低,给定深度维持恒定。另外,根据本发明,支承臂12的深度和宽度可以变化。
为了介绍本发明的应用,以举例的方式表示处于安装状态的一部分定子。定子20呈环状延伸在定子支架10的整个外周边,并与所述定子支架有一定距离,该距离即支承板17利用元件16与延伸臂14隔开的距离。
在本发明的另一个实施例(未示出)中,支承臂12或者单纯作为各段或者作为一个整体的定子支架10附装到一副结构件(未示出),副结构件作为部件牢固地附装到机器罩上。

Claims (11)

1.一种环形发电机,包括定子和转子,其中定子具有一支架结构,通过该支架结构固定定子环和定子绕组,其特征在于,通过多个由条组件组成的支承臂形成该支架结构。
2.一种具有如权利要求1所述特征的发电机的风力透平机。
3.如权利要求1所述的风力透平机,其特征在于,定子支架(10)中的至少一个支承臂(12)分成至少两个延伸臂(14)。
4.如前述任一权利要求所述的风力透平机,其特征在于,每个延伸臂(14)中的外侧部分(16)按与延伸臂(14)成预定角度延伸。
5.如前述任一权利要求所述的风力透平机,其特征在于,支承臂(12)中的至少一个延伸臂(14)或支承臂(12)的横截面远离所述支承臂的基底(1 8)朝其端部降低。
6.如前述任一权利要求所述的风力透平机,其特征在于,一板(17)配置在远离延伸臂(14)的元件(16)的端部,所述板(17)的面积大于元件(16)的横截面积。
7.如前述任一权利要求所述的风力透平机,其特征在于,支承臂(12)作为单个的段安装,并在就地相互结合为一个定子支架(10)。
8.如权利要求1-6中之一所述的风力透平机,其特征在于,至少两个支承臂(12)连接在一起,以形成段,其中所述段在就地相互结合为一个定子支架。
9.如权利要求1-6中之一所述的风力透平机,其特征在于,支承臂(12)连接在一起,以形成一个整体的定子支架(10)。
10.如前述任一权利要求所述的风力透平机,其特征在于,支承臂(12)连接在一起,以形成一个整体的定子支架(10)。
11.一种环形发电机的支架结构,其中该支架结构由多个支承臂组成,每个支承臂包括如图1和/或2中所示的条结构。
CNB018139736A 2000-07-10 2001-05-23 环形发电机和包括环形发电机的风力透平机 Expired - Lifetime CN1301581C (zh)

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CN104040837A (zh) * 2012-01-27 2014-09-10 西班牙阿尔斯通可再生能源有限公司 用于风力涡轮发电机的定子组件
CN112003397A (zh) * 2019-05-27 2020-11-27 北京金风科创风电设备有限公司 定子支架及定子
CN114157060A (zh) * 2020-09-07 2022-03-08 新疆金风科技股份有限公司 定子支架、电机定子以及电机

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CN102312787A (zh) * 2010-07-02 2012-01-11 肖艳义 环形风力永磁直驱发电机
CN104040837A (zh) * 2012-01-27 2014-09-10 西班牙阿尔斯通可再生能源有限公司 用于风力涡轮发电机的定子组件
CN104040837B (zh) * 2012-01-27 2016-12-21 西班牙阿尔斯通可再生能源有限公司 用于风力涡轮发电机的定子组件、风力涡轮发电机和风力涡轮机
CN112003397A (zh) * 2019-05-27 2020-11-27 北京金风科创风电设备有限公司 定子支架及定子
CN114157060A (zh) * 2020-09-07 2022-03-08 新疆金风科技股份有限公司 定子支架、电机定子以及电机
CN114157060B (zh) * 2020-09-07 2023-12-26 金风科技股份有限公司 定子支架、电机定子以及电机

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ZA200300320B (en) 2003-10-06
AU2001266014B2 (en) 2005-02-17
CY1105852T1 (el) 2011-02-02
EP1301975B1 (de) 2006-10-04
CA2414868A1 (en) 2003-01-02
DK1301975T3 (da) 2007-01-29
PT1301975E (pt) 2006-12-29
NO324099B1 (no) 2007-08-13
CN1301581C (zh) 2007-02-21
ATE341849T1 (de) 2006-10-15
NO20030091D0 (no) 2003-01-09
US20040101398A1 (en) 2004-05-27
PL359604A1 (en) 2004-08-23
DE10033233A1 (de) 2002-01-24
PL199795B1 (pl) 2008-10-31
BR0112444A (pt) 2003-06-24
NZ523577A (en) 2005-12-23
EP1301975A1 (de) 2003-04-16
AU6601401A (en) 2002-01-21
WO2002005408A1 (de) 2002-01-17
US6833633B2 (en) 2004-12-21
JP3911478B2 (ja) 2007-05-09
MXPA03000225A (es) 2004-11-01
BR0112444B1 (pt) 2014-11-25
ES2269419T3 (es) 2007-04-01
JP2006345700A (ja) 2006-12-21
NO20030091L (no) 2003-03-05
AU2001266014B9 (en) 2005-06-30
KR100492662B1 (ko) 2005-06-03
CA2414868C (en) 2005-05-17
MA25764A1 (fr) 2003-04-01
DE50111153D1 (de) 2006-11-16
DE10033233B4 (de) 2017-07-13
KR20030026968A (ko) 2003-04-03
JP2004503200A (ja) 2004-01-29

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