Modular Multi-Rotor Wind Turbine for Easier Maintenance
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Solution Overview
Problem
Large wind turbines require extensive time, energy, and monetary resources for maintenance and repair due to their size, necessitating a more efficient and modular design for wind power harvesting.
Innovation Solution
A modular wind turbine system comprising interconnectable units with adjustable baffles and rotors, controlled by a controller to optimize wind direction and speed, and a drive shaft coupler to manage torque and power, enhancing energy harvesting efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If large wind turbines are used to generate sufficient power for a community, then power output is improved, but maintenance and repair resources (time, energy, money) increase significantly
Solution Approach 1:
The wind turbine is divided into multiple modular units, each capable of independent operation. The turbine comprises a plurality of rotors mounted on a common driveshaft, with each rotor-generator assembly functioning as a separate module. This segmentation allows individual modules to be maintained or replaced without shutting down the entire system, significantly reducing maintenance resources while maintaining high power output.
2Power
If large wind turbines are used to generate sufficient power for a community, then power output is improved, but repair time increases due to size and complexity
Solution Approach 1:
By segmenting the turbine into independent rotor-generator modules mounted on a common driveshaft, each module can be serviced separately. This allows rapid replacement of faulty components without affecting other parts of the system, dramatically reducing repair time while maintaining the large scale power generation capability.
Solution Approach 2:
The system incorporates adjustable baffles that can be dynamically repositioned to optimize wind flow to individual rotors. This dynamic adjustment capability allows the system to maintain optimal performance during maintenance operations and enables quick adaptation to different operational conditions, reducing overall downtime.
3Ease of repair
If modular design is implemented to reduce maintenance costs, then ease of repair is improved, but device complexity increases due to multiple components
Solution Approach 1:
The turbine is segmented into standardized modular units with identical rotor-generator assemblies mounted on a common driveshaft. This standardization reduces the variety of unique components that need to be managed, making the system easier to maintain despite having multiple modules. The repetitive nature of the modules simplifies inventory management and repair procedures.
Solution Approach 2:
Each rotor-generator assembly serves as a universal module that can be interchanged with any other module in the system. The common driveshaft and standardized mounting interfaces create universality across all modules, reducing the need for specialized components and simplifying the overall device complexity while enabling easy maintenance and replacement.
4Power
If multiple rotors are positioned along a common driveshaft to increase power capture, then energy output is improved, but managing torque and power becomes more difficult
Solution Approach 1:
The common driveshaft serves as a universal power transmission element that collects torque from multiple rotor-generator assemblies. The standardized interface between each rotor and the driveshaft creates a uniform torque input pattern, simplifying the management of combined torque and power from multiple sources while maximizing energy capture.
Solution Approach 2:
Adjustable baffles are positioned to dynamically optimize wind flow distribution to each rotor along the driveshaft. This dynamic control allows for balanced torque generation across multiple rotors, preventing uneven loading and simplifying power management while enhancing overall energy output from the multi-rotor configuration.
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 modular design reduces maintenance costs and improves energy output by allowing scalable and efficient wind power capture, mitigating overspeed conditions and facilitating easy repair.
Implementation Method 1
Wind power is a readily available resource that is capable of being captured and converted into electricity
Implementation Method 2
a generator positioned in the generator housing
Data Source
AI summary
A wind turbine system includes a stator structure where the stator structure includes a plurality of structural members and a top plate positioned at a top end of the stator structure. Collectively, the plurality of structural members, the top plate, and a generator housing positioned distal to the top plate define an interior volume within the stator structure. A turbine includes a drive shaft positioned along a central axis extending from the top plate to the generator housing. A plurality of rotors is positioned along the drive shaft, where each rotor of the plurality of rotors are separated from one or more adjacent rotors of the plurality of rotors along the central axis via one or more separator plates each defining a stability plane extending perpendicular to the central axis. Additionally, a generator is positioned in the generator housing.