Open Frame Synchronous Generator Cooling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wind turbine generators face challenges with overheating and complex disassembly due to limited airflow and rigid structures, which hinder efficient operation and maintenance.
Innovation Solution
A multi-segment synchronous generator with an open frame structure and polygonal base made from hollow profiles, featuring removable stator segments and rotor plates with permanent magnets, allowing for improved airflow and easy disassembly, utilizing composite materials for the rotor and stator plates within the open frame housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a closed rigid structure is used for the generator housing, then structural strength and stability are improved, but airflow access is limited causing overheating
Solution Approach 1:
The patent applies an open frame structure instead of a closed rigid housing, allowing cooling air to access stator segments from all sides while maintaining structural integrity. The frame structure provides necessary strength while enabling superior airflow and heat dissipation compared to traditional closed housings.
2Manufacturing precision
If a rigid integrated structure is used, then manufacturing precision is improved, but disassembly and maintenance become difficult
Solution Approach 1:
The generator is divided into modular segments including stator segments, rotor plates, and end plates that can be independently assembled and disassembled. This segmentation allows for easy maintenance and repair of individual components while maintaining precise alignment through standardized connection interfaces.
Solution Approach 2:
The patent employs removable connections between generator components, transforming the structure from static and permanent to dynamic and reconfigurable. This enables easy disassembly for maintenance while ensuring precise reassembly through standardized mounting features.
3Ease of manufacture
If traditional closed housing is used, then manufacturing simplicity is maintained, but cooling efficiency is reduced
Solution Approach 1:
The open frame structure replaces the traditional closed housing, significantly improving cooling efficiency by allowing airflow from all sides. The frame construction remains relatively simple to manufacture using standard structural sections, maintaining ease of manufacture while dramatically enhancing thermal management.
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
This design enhances cooling efficiency, prevents overheating, and simplifies maintenance by allowing easy access and disassembly, ensuring reliable operation and extended lifespan of the generator.
Implementation Method 1
Putting all of the rotor plates and stator segments in open frame housing significantly improves the working conditions of the generator, as cooling air has access to the stator segments from all sides
Implementation Method 2
Second plates of the rotor, placed between the first segments of the stator, have permanent magnets fixed on both sides of mentioned second plates
Data Source
AI summary
The invention solves the issue of cooling of the power generator by change of its body. According to the invention the generator has a body in the form of open frame structure with polygonal base, made preferably of hollow profiles, connected removably with a clamp, where first stator segments are mounted on threaded pins, connected removably to the arms of the base and arms of the clamp, set on a circle larger than the diameter of a first rotor plate and further rotor plates.