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Improvements relating to electrical power generators for wind turbines

A technology of wind turbines and generators, applied in the direction of wind motor combination, wind power generation, wind engine, etc., to achieve the effect of simple installation

Active Publication Date: 2022-02-08
VESTAS WIND SYST AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this approach has been found to be challenging in ensuring that the pitch tube is accurately centered on the axis of rotation

Method used

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  • Improvements relating to electrical power generators for wind turbines
  • Improvements relating to electrical power generators for wind turbines
  • Improvements relating to electrical power generators for wind turbines

Examples

Experimental program
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Embodiment Construction

[0034] Specific embodiments of the invention will now be described, in which a number of features will be discussed in detail in order to provide a thorough understanding of the inventive concept as defined in the claims. It will be apparent, however, to those skilled in the art that the present invention may be practiced without specific details, and in some instances well-known methods, techniques, and structures have not been described in detail so as not to unnecessarily obscure the invention.

[0035] To put embodiments of the invention into their proper context, reference will first be made to figure 1 , figure 1 A typical horizontal axis wind turbine (HAWT) in which a generator according to an embodiment of the invention can be implemented is illustrated. Although this particular image depicts an onshore wind turbine, it should be understood that equivalent features will also be found on offshore wind turbines. Also, although such wind turbines are referred to as "hor...

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PUM

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Abstract

There is provided a method (100) of installing a pitch tube (27) into an electrical power generator (24) for a wind turbine, the method comprising: installing (105a) the pitch tube (27) so that it is coaxial with a rotational axis (R) of the generator (24); supporting (105b) a bearing arrangement (50) associated with the pitch tube (27) at an end of the generator (24) using one or more primary supports (52), wherein each of the primary supports (52) comprises a first end (58) connected to the bearing arrangement (50) and a second end (60) connected to a component (32) associated with a rotating reference frame of the generator (24); and supporting (110) the bearing arrangement (50) using one or more secondary supports (54), wherein each of the secondary supports (54) comprises a first end (62) connected to the bearing arrangement (50) and a second end (64) connected to a component (42) associated with a stationary reference frame of the generator (24).

Description

technical field [0001] The present invention relates to generators for wind turbines, and more particularly to systems and methods for installing service ducts or "pitch tubes" and endshields in generators. Background technique [0002] It is well known that wind turbines use large rotors with multiple rotor blades to convert kinetic energy from the wind into electrical energy. A typical Horizontal Axis Wind Turbine (HAWT) includes a tower, a nacelle on top of the tower, a rotating hub or "rotor" mounted to the nacelle, and a plurality of wind turbine rotor blades coupled to the hub. The nacelle houses many of the functional components of the wind turbine including, for example, the generator, gearbox, transmission and rotor brake assemblies, and converter equipment for converting mechanical energy at the rotor into electrical energy for supply to the grid. The gearbox increases the rotational speed of the low speed main shaft and drives the gearbox output shaft. The gearb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D80/00F03D80/80F03D80/70
CPCF03D80/00F03D80/70F03D80/85F03D80/88F05B2240/61F05B2260/30F05B2260/79Y02E10/72F03D9/25F05B2240/14
Inventor L·朗瓦特·克罗赫R·N·布洛格
Owner VESTAS WIND SYST AS
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