Floating Solar System Using FRP Grid to Reduce Anchoring Frequency
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Solution Overview
Problem
Existing floating solar systems face limitations due to the use of plastic for structural support, which is inefficient in terms of cost, strength, and durability, and are prone to soiling and reduced efficiency due to dust accumulation, while also having loading constraints that require frequent anchoring and are not suitable for high wind regimes.
Innovation Solution
A floating solar mounting system utilizing a lattice network of fiber-reinforced polymer (FRP) rods and steel cables that interconnect into a grid, providing structural support for solar floats and panels, allowing for increased wind and wave resistance, reduced anchoring frequency, and higher energy yields, while being more affordable and durable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If plastic is used for both flotation and structural purposes, then flotation capability is achieved, but structural strength and durability are insufficient
Solution Approach 1:
The system separates flotation and structural functions into distinct components: plastic floats provide flotation while FRP rods provide structural support. This segmentation allows each component to be optimized for its specific function, achieving high structural strength without requiring complex multi-functional plastic components.
Solution Approach 2:
The invention uses composite materials (FRP - fiber reinforced polymer) for the structural racking system. The FRP rods combine the strength of fibers with the durability of polymer matrices, providing superior structural performance compared to plain plastic while remaining suitable for floating applications.
2Strength
If plastic is used for structural support, then cost is reduced, but strength and durability are compromised
Solution Approach 1:
FRP (fiber reinforced polymer) composite materials are used for the racking system, combining high-strength fibers with durable polymer matrices. This provides superior strength and durability compared to plain plastic while maintaining cost-effectiveness through efficient material utilization and standardized components.
Solution Approach 2:
Different materials are used in different locations based on functional requirements: plastic floats for flotation where corrosion resistance is key, and FRP rods for structural support where strength and durability are critical. This localized material selection optimizes overall system reliability.
3Productivity
If array size is increased, then energy production is improved, but wind loading forces increase requiring more frequent anchoring
Solution Approach 1:
The high strength-to-weight ratio of FRP composite materials allows the racking system to withstand greater wind loading forces without requiring proportional increases in anchoring frequency. This enables larger array sizes and greater spacing between anchors while maintaining structural integrity.
Solution Approach 2:
The system incorporates dynamic response capabilities through the flexibility of FRP materials and the floating nature of the platform, allowing the structure to adapt to wind and wave forces rather than rigidly resisting them, reducing peak loads on the anchoring system.
4Stability of the object's composition
If anchoring frequency is increased to handle wind loads, then stability is improved, but device complexity and cost increase
Solution Approach 1:
The exceptional strength and stiffness of FRP composite materials provide inherent structural stability, reducing the need for frequent anchoring. This allows larger spans between anchors while maintaining array stability, thereby simplifying the overall anchoring system.
Solution Approach 2:
The floating platform provides natural buoyancy and stability that counteracts wind loading forces, reducing the demand on the anchoring system. This passive stabilization mechanism simplifies anchoring requirements compared to fully fixed installations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The FRP-based system enhances structural strength, durability, and energy efficiency, reduces anchoring needs, and allows for larger array sizes before anchoring is required, with the ability to withstand higher wind loads and wave forces, resulting in increased product reliability and lower costs.
Implementation Method 1
A floating solar mounting system utilizing a lattice network of fiber-reinforced polymer (FRP) rods and steel cables that interconnect into a grid, providing structural support for solar floats and panels, allowing for increased wind and wave resistance
Data Source
AI summary
A floating solar system comprising a grid comprising a plurality of rod-cables, at least some of the rod-cables comprising fiber reinforced polymer, the grid providing a support structure for the floating solar system. The floating solar system further including a plurality of solar floats to provide buoyancy, each solar float coupled to the grid, the plurality of solar floats not providing structural support. The floating solar system designed to support a plurality of solar panels, each solar panel coupled to a corresponding solar float, the solar panel providing shade for the corresponding solar float.