Wind Turbine Tower Cable Guide With Horizontal Movement
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Solution Overview
Problem
Existing cable guiding structures for wind turbines face issues such as increased wear, large space requirements, and complex cable loop arrangements, which are inefficient and costly.
Innovation Solution
A cable guiding structure that includes a horizontal movement element allowing cables to move in the width direction of the tower, reducing torsion and length differences, and minimizing wear and space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional cable loop arrangements are used to compensate cable torsion and length differences, then cable flexibility is maintained, but cable wear increases and space requirements increase
Solution Approach 1:
The cable guiding structure employs a movable guide element that can shift position along the tower width direction, dynamically adjusting cable routing to accommodate torsion and length variations without creating wear-prone loop arrangements. This dynamic adaptation maintains cable flexibility while eliminating the harmful friction and abrasion associated with fixed loop configurations.
Solution Approach 2:
The invention introduces movement in the width direction (horizontal dimension) of the tower to compensate for cable torsion and length differences, rather than relying on vertical loop arrangements. This dimensional shift allows cables to be guided around the tower periphery, maintaining flexibility while avoiding the wear and space issues of traditional loop configurations.
2Reliability
If traditional cable loop arrangements are used to compensate cable torsion and length differences, then cable flexibility is maintained, but space requirements increase
Solution Approach 1:
The movable guide element dynamically adjusts cable positioning within the available tower space, allowing flexible cable routing without requiring large fixed loop arrangements. This dynamic system maintains cable flexibility while utilizing space efficiently by adapting to the actual cable length and torsion requirements at any given moment.
Solution Approach 2:
By utilizing the width direction of the tower for cable guidance, the invention transforms the space requirement from a vertical loop configuration to a horizontal routing arrangement. This dimensional change allows cables to be guided around the tower periphery, maintaining flexibility while significantly reducing the vertical space occupied within the tower.
3Ease of manufacture
If cables are routed vertically through the tower, then installation is simple, but cable torsion and wear increase during operation
Solution Approach 1:
The cable guiding structure incorporates a movable guide element that can adjust its position to accommodate cable movement and torsion during operation. This dynamic component allows the cable to be initially installed in a simple vertical route while providing ongoing protection against torsion and wear as the nacelle rotates and cable lengths change.
Solution Approach 2:
The cable guiding structure acts as an intermediary between the vertically routed cable and the rotating nacelle, absorbing and compensating for cable torsion and length variations. This intermediary mechanism protects the cable from direct torsional stress and wear while maintaining the simplicity of vertical cable installation.
Data Source
AI summary
A cable guiding structure (200) for a tower (108) of a wind turbine (10) is described. The tower has a height in substantially vertical direction (110) and a width in substantially horizontal direction (112). The cable guiding structure (200) is adapted for guiding a cable (160) within the tower of the wind turbine. The cable guiding structure includes a horizontal movement element (300) at least partially movable in the width direction (112) of the tower (108). The horizontal movement element (300) includes a receiving part (301) for receiving the at least one cable (160) of the wind turbine and wherein the horizontal movement element allows a movement of the at least one cable (160) in the width direction (112) of the tower (100). Further, a method for mounting a cable guiding structure is described.