Solar Tracker Mass Damper With Elastic Isolation Against Resonance
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Solution Overview
Problem
Conventional solar tracking systems are inadequate in optimizing energy conversion from solar panels due to inefficiencies in tracking the sun's angle, leading to suboptimal energy production and mechanical vibrations that can cause system failure.
Innovation Solution
A mass damper assembly for solar modules that includes a mechanical isolator made of elastic material, such as rubber or polymer, to separate the panel rail from the torque tube, causing destructive interference with the natural resonant frequency and reducing mechanical vibrations, combined with a U-bolt clamp system to secure the panel rail to the torque tube.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional solar tracking mechanisms are used, then solar panels can track the sun's angle, but mechanical vibrations occur that can cause system failure
Solution Approach 1:
A mechanical isolator is introduced as an intermediary component between the panel rail and torque tube. This isolator acts as a mediator that allows the tracking function to operate while preventing the transmission of harmful vibrations and oscillations to the solar panels, thus resolving the contradiction between productivity and reliability
Solution Approach 2:
The mechanical isolator converts the harmful mechanical vibrations and resonant frequencies into beneficial damping effects. By utilizing the isolator's inherent damping properties, the system transforms potential failure-causing vibrations into a protective mechanism that enhances system reliability while maintaining tracking functionality
2Strength
If the panel rail is securely clamped to the torque tube, then structural stability is improved, but mechanical vibrations and resonant frequencies increase
Solution Approach 1:
The mechanical isolator changes the dynamic parameters of the connection between the panel rail and torque tube. By introducing damping characteristics and modifying the stiffness properties, the isolator reduces resonant frequencies and vibrational amplitudes while maintaining sufficient structural stability to support the solar panels during tracking operations
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 solution effectively reduces mechanical vibrations and oscillations, preventing system failure and enhancing energy conversion efficiency by selectively tuning the solar tracker system to prevent resonance-induced damage, thereby improving the stability and performance of solar panels.
Implementation Method 1
a mechanical isolator comprising an elastic material configured to separate the panel rail from the torque tube and cause destructive interference with a natural resonant frequency of the system without the mechanical isolator to reduce a mechanical vibration of the system
Implementation Method 2
a mechanical isolator comprising an elastic material configured to separate the panel rail from the torque tube
Implementation Method 3
cause destructive interference with a natural resonant frequency of the system without the mechanical isolator to reduce a mechanical vibration of the system
Implementation Method 4
mass damper assembly for solar modules configured for a tracking system
Data Source
AI summary
In an example, the system has a mechanical isolator comprising an elastic material configured to separate the panel rail from the torque tube cause destructive interference with a natural resonant frequency of the system without the mechanical isolator to reduce a mechanical vibration of the system.