Phyllotaxic Photovoltaic Array Layout to Reduce Shading Loss
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Solution Overview
Problem
Conventional photovoltaic arrays face inefficiencies in collecting and converting solar energy due to fixed positioning, shading, atmospheric factors, and temperature effects, which reduce electricity production and are not adaptable to varying environmental conditions.
Innovation Solution
Arranging photovoltaic panels in a phyllotaxic architecture mimicking the spiral pattern of branches and leaves on plants, using Fibonacci ratios to optimize panel placement and orientation for improved sunlight collection and energy conversion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If photovoltaic panels are arranged in conventional fixed positioning, then installation is simple, but energy collection efficiency is reduced due to shading and inability to adapt to varying environmental conditions
Solution Approach 1:
The patent applies dynamics by transitioning from fixed, static panel arrangements to dynamic phyllotaxic patterns that optimize panel positioning. The Fibonacci-based spiral arrangement allows panels to adapt their spatial distribution to maximize sunlight exposure while minimizing shading, enabling the system to respond to varying environmental conditions without mechanical movement of individual panels.
Solution Approach 2:
The invention moves from conventional two-dimensional flat array layouts to a three-dimensional phyllotaxic spiral configuration. This dimensional transition allows panels to be distributed in multiple spatial layers and angles, maximizing surface area exposure to sunlight from different directions and reducing mutual shading effects.
2Productivity
If photovoltaic panels are arranged in conventional flat arrays, then manufacturing is straightforward, but panel usage is not maximized in confined spaces
Solution Approach 1:
The patent segments the photovoltaic array into modular units following phyllotaxic patterns, where individual panels are distributed according to Fibonacci ratios. This segmentation allows the array to be constructed in standardized modules that can be efficiently assembled while maximizing space utilization through the natural geometric progression of the phyllotaxic layout.
3Productivity
If photovoltaic panels are positioned at fixed orientations, then installation is simple, but sunlight capture is reduced at lower altitudes
Solution Approach 1:
The patent applies local quality by assigning different orientations and positions to individual panels according to their specific location within the phyllotaxic pattern. Each panel is optimally oriented for its local environment, with the Fibonacci-based distribution ensuring that panels at different heights and angles capture sunlight most effectively for their specific positions, particularly improving performance at lower altitudes.
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 phyllotaxic arrangement enhances energy collection efficiency by maximizing panel usage in confined spaces, improving sunlight capture at lower altitudes, handling shadows, minimizing temperature and weather impacts, and maintaining panel cleanliness, resulting in higher and more consistent energy production compared to conventional flat arrays.
Implementation Method 1
The cells convert solar energy into direct current electricity via the photovoltaic effect
Data Source
AI summary
An array of photovoltaic panels comprising a plurality of primary branches extending radially outwardly from a central trunk, and a plurality of photovoltaic panels joined to the primary branches, wherein the primary branches extend outwardly from the trunk in a spiral arrangement having a ratio of x turns around the trunk for every y primary branches. The ratio of x:y may be derived from a phyllotaxic arrangement of branches and leaves on a plant. X may be a Fibonacci number, with y being its Fibonacci second successor. The ratio of x/y may be selected from certain Fibonacci ratios, including 1/3, 2/5, 3/8, and 5/13. A method of converting electromagnetic radiation to electrical energy, and a method of making a device for converting electromagnetic radiation to electrical energy in accordance with the invention are also disclosed.