Wind Turbine Cable Clamping Structure for Twist and Heat Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional cable protection devices for wind turbines fail to effectively space cables for heat dissipation and prevent entanglement and collision with tower structures during twisting and swinging, leading to friction, wear, and damage.
Innovation Solution
A cable twisting protection device comprising cable clamping blocks and a spliced separation plate with grooves forming separation holes, which clamps and fixes cables at a uniform height, ensuring separation and heat dissipation, and includes a cable sheath for impact protection and an anti-collision baffle ring for guiding and stabilizing the cables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If two parts butting with each other to form a tubular shape are employed to fix multiple bundles of cables, then the cables are fixed together, but the cables will play up and down due to different pressures and lose protection effect
Solution Approach 1:
The cable protection device is divided into multiple independent cable clamping blocks, each capable of independently clamping a cable. This segmentation allows each cable to be secured individually, preventing the collective failure mode where all cables move together when one experiences pressure changes.
Solution Approach 2:
The cable clamping blocks are designed with flexible clamping mechanisms that can dynamically adjust to different cable positions and pressures. This dynamic capability allows the clamping blocks to maintain secure grip on cables even when subjected to varying forces during twisting and swinging, preventing cables from playing up and down.
2Adaptability or versatility
If a rolling connection between inner ring and outer ring is realized using balls, then the structure is similar to a ball bearing, but the inner ring and outer ring cannot generate axial displacement causing cable stretching and damage
Solution Approach 1:
The protection device uses multiple independent cable clamping blocks distributed around the circumference, rather than a single rigid ring structure. This segmentation allows each clamping block to move independently axially, enabling cable accommodation without stretching while maintaining rotational capability.
Solution Approach 2:
The cable clamping blocks are designed with flexible elements that can deform and adjust during rotation and axial movement. This flexibility allows the clamping blocks to accommodate cable displacement in the axial direction during nacelle rotation, preventing cable stretching and damage while maintaining the rotational function.
3Adaptability or versatility
If cables are twisted during electricity generation, then the blades can face the wind, but the cables become entangled and affect heat dissipation
Solution Approach 1:
The cable protection device segments cables into individually clamped units, maintaining spacing between adjacent cables. This segmentation prevents cable entanglement during twisting while preserving the gaps necessary for heat dissipation, allowing both wind direction adjustment and thermal management to function effectively.
Solution Approach 2:
The cable clamping blocks act as intermediary elements between the cables and the tower structure. These intermediaries maintain cable separation and prevent direct contact between cables, eliminating entanglement while preserving the thermal pathways for heat dissipation during cable twisting operations.
4Adaptability or versatility
If cables are twisted and swung, then the nacelle can rotate with wind direction, but the cables collide with tower structures and suffer wear
Solution Approach 1:
The cable clamping blocks serve as intermediary protective elements between the cables and the tower structure. During nacelle rotation, these intermediaries guide cable movement and prevent direct contact with the tower wall and other structures, eliminating wear while allowing full nacelle rotation capability.
Solution Approach 2:
The cable protection device is designed to automatically guide and protect cables during twisting and swinging motions without requiring external intervention. The structure self-adjusts to cable movements during nacelle rotation, providing continuous protection against tower structure collision and wear.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A cable twisting protection device, a method of use of the cable twisting protection device and a wind turbine are provided according to the present application. The cable twisting protection device includes: a cable clamping block, including a first clamping block and a second clamping block, wherein the first clamping block and the second clamping block are connected to form a tubular structure having a through hole at a middle and the through hole is configured to clamp a cable; and a cable partition plate, formed by splicing two or more separation plates, wherein grooves are provided in butting faces of each of the separation plates. The cable clamping blocks are fixedly connected to the cable partition plate, and the tubular structures of the cable clamping blocks are vertically aligned with the separation holes of the cable partition plate respectively. The beneficial effects of the cable twisting protection device, the method of use of the cable twisting protection device and the wind turbine according to the embodiments of the present application are as follows, cables are clamped and fixed by the cable clamping blocks, the cable clamping blocks are fixed by the cable partition plate formed by splicing, the cables are separated by separation holes in the cable partition plate, so that the heat dissipation of the cables is ensured, and a problem that the cables will be twisted and entangled due to the rotation of a nacelle with the change of a wind direction is solved.