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System for twisting cables in wind turbine tower

A technology for wind turbines, cables, applied in the field of wind turbines, able to solve problems such as high risk, wear and bending

Inactive Publication Date: 2014-06-11
YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technical solution also has the above-mentioned disadvantages of wear and bending
The technical solution had to be installed piece by piece to place the cables between the protrusions
Furthermore, the protrusions located on the outer circumference are less deep than the diameter of the cable and are not secured in place, so there is a high risk of one of the cables slipping out of place between the protrusions

Method used

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  • System for twisting cables in wind turbine tower
  • System for twisting cables in wind turbine tower
  • System for twisting cables in wind turbine tower

Examples

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Embodiment Construction

[0060] figure 1 An embodiment of a wind turbine 1 is shown comprising a wind turbine tower 2 and a nacelle 3 mounted on top of the wind turbine tower 2 . The wind turbine tower 2 may comprise one or more tower sections which are assembled together at the top. The rotor hub 4 is rotatably mounted to the nacelle 3 via a rotor shaft. One or more wind turbine blades 5 are mounted to the rotor hub 4 by a shaft extending outwards from the center of the rotor hub. Two or three wind turbine blades 5 may be mounted to the rotor hub 4, wherein the wind turbine blades 5 form a plane of rotation. The wind turbine tower 2 may be mounted on a foundation 6 which is raised above ground level 7 .

[0061] The wind turbine blade 5 may comprise a blade root 8 mounted to the rotor hub 4 . The wind turbine blade 5 may comprise a tip 9 arranged at the free end of the blade 5 . The wind turbine blade 5 has a streamlined profile along the length of the blade. The wind turbine blade 5 can be mad...

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Abstract

The present invention relates to a wind turbine having a wind turbine tower with a nacelle provided on the top to which a rotor hub with one or more wind turbine blades is rotatably mounted. A cable twisting system is arranged inside the wind turbine tower and suspended from the bottom of the nacelle. The cable twisting system comprises a number of cable spacing plates coupled to a suspension element where a number of guiding means guide the electrical cables from the nacelle to the bottom of the wind turbine tower. The suspension element is a torsion element having a first end capable of twisting relative to a second end when torque is applied to the first end. This allows the individual cable spacing plates to be rotated in a more uniform manner along the length of the system when the nacelle is yawing. It also allows the upwards movement of the cable spacing plates caused by the torque applied by nacelle to start at the uppermost cable spacing plate.

Description

field of invention [0001] The invention relates to a wind turbine comprising: [0002] ‐Wind turbines, including: [0003] ‐ A wind turbine tower having an inner side, a bottom and a top, [0004] - a nacelle arranged on top of a wind turbine tower, wherein the nacelle is arranged on one or more yaw bearings arranged to rotate the nacelle relative to the wind turbine tower, [0005] ‐ a rotor hub rotatably mounted to the nacelle to which one or more wind turbine blades are mounted, [0006] - a cable twisting system disposed inside a wind turbine tower, the cable twisting system comprising one or more cable spacers coupled to at least one suspension assembly, wherein the cable spacers twist along the cables The system is distributed in length and includes one or more guide assemblies that guide one or more cables from the top of the wind turbine tower to the bottom of the wind turbine tower, where the cables connect to the nacelle and pass through the The top extends into ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D11/00
CPCF03D11/0066Y02E10/722F03D80/85Y02E10/72
Inventor 莫恩斯·克里斯滕森
Owner YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
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