Vertical Axis Wind Turbine Utility Pole Mounting
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Solution Overview
Problem
Current wind energy capture technologies are large, costly, and inefficient, requiring high wind speeds for operation, posing hazards to wildlife and landscapes, and generating potentially harmful frequencies. They are also economically prohibitive for individuals and small cooperatives due to high installation and maintenance costs.
Innovation Solution
A vertical-axis wind energy capture device that can be installed on existing utility poles, eliminating the need for additional infrastructure, operates efficiently across a wide range of wind speeds, and converts kinetic energy into electrical power using electromagnetic means controlled by real-time sensor data, allowing for more efficient energy harvesting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If large-scale horizontal axis wind turbines are used, then power generation capacity is improved, but installation cost and infrastructure requirements increase significantly
Solution Approach 1:
The patent transitions from horizontal axis rotation to vertical axis rotation, fundamentally changing the operational dimension. This allows the turbine to be mounted on existing utility poles rather than requiring new tall towers, thereby reducing infrastructure costs while maintaining power generation capacity
Solution Approach 2:
The vertical axis design enables the system to utilize existing utility pole infrastructure for mounting, making the power generation system compatible with already-established support structures. This universality eliminates the need for dedicated tower construction and reduces overall system deployment costs
2Power
If reduction gears are included in the design, then power output control is improved, but power loss due to friction increases
Solution Approach 1:
The patent removes the reduction gear mechanism entirely from the system design. By directly coupling the turbine rotor to the generator, the system eliminates the intermediate mechanical transmission components that cause frictional power losses, thereby improving overall energy efficiency
Solution Approach 2:
The design replaces mechanical gear reduction with an alternative approach where the turbine operates at higher rotational speeds directly coupled to the generator. This substitution of mechanical transmission with a direct-drive system eliminates frictional losses in gear mechanisms
3Productivity
If high tip speed turbines are used, then power generation efficiency is improved, but harmful frequencies are generated
Solution Approach 1:
The vertical axis turbine design inherently operates with different dynamic characteristics compared to horizontal axis turbines. The rotation plane and blade motion patterns generate different frequency spectra, reducing the harmful harmonic frequencies while maintaining effective power generation across varying wind conditions
4Power
If large structures are deployed, then power generation capacity is improved, but wildlife hazards and landscape impact increase
Solution Approach 1:
By mounting turbines vertically on existing utility poles rather than using large horizontal axis turbines on tall towers, the system achieves power generation capacity while significantly reducing the visual and physical impact on the landscape and reducing hazards to wildlife
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 device provides affordable renewable energy to individuals and small cooperatives by reducing costs and environmental impact, operating effectively in low and high wind conditions while minimizing harm to wildlife and landscapes.
Implementation Method 1
capture the kinetic energy of wind and convert it into kinetic energy in the form of a rotating mass
Implementation Method 2
conversion to electrical power through electromagnetic means
Data Source
AI summary
A device to convert the kinetic energy of wind into kinetic energy in the form of a rotating mass (FIG. 9) and to then selectively harvest and convert the kinetic energy of the rotating mass into electrical energy using both permanent magnet and electromagnet generators (FIG. 33). The conversion of the kinetic energy of wind into mechanical kinetic energy of the rotating mass is maximized through mechanical means by varying the physical moment of inertia of the rotating mass programatically based upon real time sensor data (FIG. 27A,27B). The conversion of the kinetic energy of the rotating mass into electrical energy is maximized through the programatical control of the field coil current of the electromagnet generator based upon real time sensor data (FIG. 62).