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Wind generating set

A technology for wind turbines and generators, applied in wind turbines, wind energy power generation, wind turbine control, etc., can solve the problems of high design and manufacturing requirements of low-speed shafts and high assembly requirements of low-speed shafts, and achieve stable transmission effect and extended use. Longevity, effect of reducing design and manufacturing requirements

Active Publication Date: 2019-03-15
XINJIANG GOLDWIND SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above-mentioned technical problems, the embodiment of the present invention provides a wind power generating set, which solves the technical problem that the existing wind power generating set not only has high requirements for the design and manufacture of the low-speed shaft itself, but also has high requirements for the assembly of the low-speed shaft , the low-speed shaft design can be omitted

Method used

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Embodiment Construction

[0036] Features and exemplary embodiments of various aspects of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention. The present invention is by no means limited to any specific configurations and algorithms presented below, but covers any modification, substitution and improvement of elements, components and algorithms without departing from the spirit of the invention. In the drawings and the following description, well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present invention.

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Abstract

The embodiment of the invention provides a wind generating set. The wind generating set comprises blades, a power generator and a cabin, wherein the root parts of the blades are connected with a connecting shaft; the connecting shaft is in rolling connection with the front end of the cabin through a rolling connecting device; the power generator is arranged in the cabin; and the connecting shaft drives the rotor of the power generator. The wind generating set provided by the embodiment of the invention can reduce design and manufacturing requirements, on a low-speed shaft, of the wind generating set (can cancel the low-speed shaft to adopt a direct-drive way to drive), and distributes load borne on the low-speed shaft onto the cabin through the blades, so that blade mechanisms of the windgenerating set are more reasonable, the transmission effect is more stable, and the service life of the wind generating set is prolonged.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a wind power generating set. Background technique [0002] A wind turbine usually consists of a nacelle, a tower, a yaw device, and an impeller. The impeller of a non-direct drive wind turbine is connected to the nacelle through a low-speed shaft in the center of the impeller, thereby driving the generator rotor in the nacelle to generate electricity. The low-speed shaft not only serves as the connecting part between the impeller and the nacelle (the gravity of the impeller is transmitted to the nacelle through the low-speed shaft), but also serves as the driving part of the generator rotor to generate electricity. During the operation of the wind turbine, the low-speed shaft not only bears the shaft It also bears the gravity load perpendicular to the axial direction of the low-speed shaft, and the load perpendicular to the axial direction of the low-speed shaft cau...

Claims

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Application Information

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IPC IPC(8): F03D15/20F03D1/06F03D7/04
CPCF03D1/0675F03D7/0224F03D15/20F05B2260/40311F05B2270/602Y02E10/72Y02P70/50
Inventor 王永刚王珺
Owner XINJIANG GOLDWIND SCI & TECH
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