Wind Turbine Nacelle Floor Segmentation for Transformer Transport
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Solution Overview
Problem
Existing wind turbine nacelles face challenges in efficiently transporting and mounting transformers due to the need for adaptable openings and secure fastening mechanisms, which can lead to environmental hazards from fluid leaks and increased complexity in assembly processes.
Innovation Solution
A wind turbine design featuring a nacelle with dual openings, where the second opening is specifically sized for the transformer, allowing it to be lifted and locked in place, and optionally incorporating a transformer pan or trough for leak containment, with fastening elements for secure mounting, enabling efficient transport and assembly without additional hatches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single large opening is provided in the nacelle floor for transporting the transformer, then the transformer can be transported into the nacelle, but the opening cannot be closed effectively and environmental protection from fluid leaks is compromised
Solution Approach 1:
The nacelle floor is segmented with two separate openings: a first opening for transporting other components and a second, larger opening specifically for the transformer. This segmentation allows each opening to be optimized for its specific purpose while maintaining the ability to close them separately, thus protecting against environmental damage from potential transformer fluid leaks.
Solution Approach 2:
The transformer base is designed with a floor portion that extends downward to close the second opening from the inside, creating a three-dimensional closure solution. This dimensional approach allows the transformer base itself to serve dual functions: supporting the transformer and sealing the opening, thereby preventing fluid leaks without compromising transport capability.
2Object-affected harmful factors
If the transformer base is designed to close the second opening, then environmental protection is improved, but the transformer cannot be easily replaced
Solution Approach 1:
The closure system is designed to be dynamic rather than permanent. The transformer base closes the second opening during normal operation to prevent leaks, but the opening can be reopened when transformer replacement is needed. This dynamic design allows the system to switch between protection mode and maintenance mode, resolving the contradiction between environmental protection and ease of repair.
3Object-affected harmful factors
If additional closure mechanisms are added to seal the second opening, then environmental protection is improved, but device complexity increases
Solution Approach 1:
The closure function is merged with the transformer base structure itself. The floor of the transformer base extends downward to form the closure for the second opening, eliminating the need for separate closure mechanisms. This integration reduces device complexity while maintaining effective environmental protection against fluid leaks.
4Ease of operation
If the second opening is made larger to accommodate the transformer, then transport capability is improved, but structural integrity of the nacelle floor may be compromised
Solution Approach 1:
The nacelle floor is segmented into regions around the two openings, with the second opening specifically sized and positioned for transformer access. This segmentation allows the floor structure to be reinforced locally around each opening rather than requiring the entire floor to be oversized, maintaining structural integrity while providing adequate transport capability.
Data Source
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AI summary
Thus, a wind turbine (100) with a nacelle (300) and a nacelle base (310) is provided. The wind turbine (100) further comprises an aerodynamic rotor with at least two rotor blades. The wind turbine (100) also includes a tower (102) on which the nacelle (300) is mounted. The nacelle base (310) has at least one first and one second opening (311, 312). The first opening (311) serves for transporting first components of the wind turbine (100) and has corresponding first dimensions. The second opening (312) has second dimensions and serves for transporting a transformer (400) into the nacelle (300). The transformer (400) has a base which closes the second opening (312) when the transformer (400) has been transported through the second opening (312) into the gondola (300) and installed in the gondola (300).