Rotary Electric Machine Protective Panel Integration
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Solution Overview
Problem
Existing rotary electric machines have suboptimal cavity filling and efficiency due to the presence of grooves for supporting protective panels, which hinder magnetic flux arrangement and overall performance.
Innovation Solution
The removal of grooves in the ferromagnetic structure allows the protective panel to be integrated into the conducting pack, and the use of porous or non-porous materials impregnated with resin for protective sheets and panels, optimizing cavity filling and magnetic flux distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If grooves are added to the ferromagnetic structure for supporting protective panels, then the protective panel can be mounted and secured, but the magnetic flux arrangement is hindered and cavity filling is suboptimal
Solution Approach 1:
The protective panel is merged with the conducting pack by integrating it into the insulating case that encloses the conductors. This eliminates the need for separate grooves in the ferromagnetic structure, as the panel is now supported by the insulating case itself, thereby removing the obstruction to magnetic flux while maintaining protective functionality.
Solution Approach 2:
The protective panel is extracted from the ferromagnetic structure and relocated to be integrated with the conducting pack assembly. By removing the panel from the ferromagnetic structure, the grooves that hindered magnetic flux are eliminated, while the panel continues to provide protection as part of the conducting pack unit.
2Reliability
If grooves are added to the ferromagnetic structure for supporting protective panels, then the protective panel can be mounted and secured, but the structure of ferromagnetic material becomes more complex
Solution Approach 1:
The protective panel is merged with the conducting pack assembly, becoming an integrated component rather than a separate element requiring mounting features in the ferromagnetic structure. This simplifies the ferromagnetic structure by eliminating grooves while maintaining the protective function through the integrated design.
3Reliability
If grooves are added to the ferromagnetic structure for supporting protective panels, then the protective panel can be mounted and secured, but the cavity filling is suboptimal and efficiency is reduced
Solution Approach 1:
The protective panel is merged with the conducting pack and insulating case as an integrated assembly. This allows the entire assembly to be optimized for cavity filling without the space-consuming grooves in the ferromagnetic structure, thereby improving cavity utilization and overall machine efficiency.
Solution Approach 2:
The protective panel is repositioned from being mounted on the ferromagnetic structure to being integrated within the conducting pack assembly in a different spatial arrangement. This dimensional reorganization allows for better space utilization within the cavity while maintaining protective functionality.
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 magnetic flux distribution, allows for increased conductor density or reduced cavity size, and simplifies the manufacturing process, leading to improved efficiency and easier production of rotary electric machines.
Implementation Method 1
the protective sheet is made of porous material impregnated with resin
Implementation Method 2
impregnating the insulating case and the gaps with resin
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A rotary electric machine having at least one structure of ferromagnetic material (5; 105); at least one cavity (6; 106) formed in the structure of ferromagnetic material (5; 105); and at least one conducting pack (7; 107) designed to be housed inside one of the cavities (6; 106) of the rotary electric machine (1); the conducting pack (7; 107) having a group of conductors (9; 109), and a protective panel (16; 116) fixed to the group of conductors (9; 109).