Wind Turbine Nacelle Removable Caps Rail Transport Width
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Solution Overview
Problem
The existing wind turbine nacelle designs exceed the maximum width restrictions for rail transport, leading to increased logistical and transportation costs due to size limitations, particularly with larger turbine designs.
Innovation Solution
The implementation of removable caps on the longitudinal sides of the nacelle cover, which can be stored within the cover during transport, allowing the nacelle to fit within the predefined maximum width for rail transport without requiring additional assembly or disassembly of power generation and control components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the nacelle width is increased to accommodate larger turbine components, then the power generation capacity is improved, but the rail transport capability deteriorates due to width restrictions
Solution Approach 1:
The nacelle is divided into a main body and removable cap portions. The caps can be detached to reduce the overall width for rail transport, while the main nacelle body maintains the necessary dimensions for large turbine power generation components. This segmentation allows the nacelle to adapt between operational and transport configurations.
Solution Approach 2:
The nacelle design incorporates dynamically adjustable width through removable caps. During operation, the caps are attached to provide full width for component accommodation. During transport, the caps are removed to reduce width below the 4-meter rail restriction threshold, enabling flexible adaptation to different operational and logistical requirements.
2Adaptability or versatility
If the lateral housings are removed to reduce width for rail transport, then the transport capability is improved, but the installation complexity increases due to additional assembly requirements
Solution Approach 1:
Instead of removing entire lateral housings, only the cap portions are segmented and made removable. These caps are designed as self-contained units that can be independently attached or removed without affecting the main nacelle structure or internal components, thereby simplifying the assembly and disassembly process.
Solution Approach 2:
The caps are pre-configured with mounting interfaces that align with corresponding receptacles on the nacelle body. This preliminary design of the attachment mechanism eliminates the need for complex alignment procedures or additional assembly steps during installation, reducing overall assembly complexity while maintaining transport capability.
3Reliability
If the caps are made large enough to cover all components, then the protection is improved, but the storage capability during transport deteriorates
Solution Approach 1:
The caps are designed to provide protection only at the specific locations where components require coverage during transport. Rather than covering the entire nacelle, the caps are positioned locally at the ends of the longitudinal sides where width reduction is needed, providing targeted protection while minimizing the volume occupied during storage.
Solution Approach 2:
The caps are designed to nest within the nacelle body when not in use. The cap dimensions and mounting structure allow them to be stored inside the main nacelle housing, utilizing otherwise wasted internal space. This nesting arrangement ensures the caps are protected during transport while minimizing the additional volume they occupy when stowed.
Data Source
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AI summary
A nacelle (14) for a wind turbine (10) includes a cover (100) defining an internal volume. The cover has longitudinal sides (102) and opposite end walls (104). A bedplate (28) is within the cover with the power generation and wind turbine control components (15, 20, 22, 24, 26, 30, 32) mounted on the bedplate. The cover has a widest width dimension (106) along the longitudinal sides intermediate of the end walls that exceeds a pre-defined maximum width for rail transport of the nacelle. Removable caps (108) are configured on the longitudinal sides of the cover at the widest dimension, with the caps having a configuration such that upon removal of the caps, the widest width dimension is less than the predefined maximum width for rail transport.