Sensitivity Analysis and Optimal Design of a Stator Coreless Axial Flux Permanent Magnet Synchronous Generator
Abstract
:1. Introduction
2. AFPMSG and Initial Design
2.1. Structure and Design Analysis
2.2. Improved Initial Design Procedure
2.3. Performance Analysis
3. Optimization Model and Sensitivity Analysis
3.1. Optimization Model of the AFPMSG
3.2. Sensitive Analysis for Design Parameters
4. Improved Genetic Algorithm
- (1)
- Generate intermediate population by crossing pairs in independently;
- (2)
- Execute mutation independently for each intermediate individual in to generate progeny population;
- (3)
- Select M pairs’ mother population as the new generation population from the union of parent population and offspring population ;
5. Optimal Design and Finite Element Analysis
6. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Design Parameters | Values |
---|---|
Outer diameter (mm) | 380 |
Inner diameter (mm) | 210 |
Thickness of permanent magnet (PM) (mm) | 10 |
Pole arc coefficient | 0.8 |
Air gap length (mm) | 1.2 |
Thickness of stator (mm) | 9 |
Thickness of rotor yoke (mm) | 10 |
Structural Parameters of AFPMSG | Values | |
---|---|---|
Initial Design | Optimized Design | |
Outer diameter (mm) | 380 | 380 |
Inner diameter (mm) | 210 | 227.5 |
Thickness of PM (mm) | 10 | 9.3 |
Pole arc coefficient | 0.8 | 0.77 |
Air gap length (mm) | 1.2 | 1 |
Thickness of stator (mm) | 9 | 9 |
Rotor yoke thickness (mm) | 10 | 8.6 |
Generator Parameters | Before Optimization | After Optimization | Change Rate |
---|---|---|---|
Induced voltage (V) | 322.54 | 316.06 | −2% |
Average torque (N·m) | 35.2 | 34.4 | −2.27% |
Output power (kW) | 1.105 | 1.08 | −2.26% |
Efficiency | 91.3% | 92% | 0.76% |
Copper (mm3) | 228.6 | 228.9 | 0.13% |
Fe (mm3) | 1543 | 1249 | −19% |
PM (mm3) | 1235 | 1040 | −15.8% |
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Wang, W.; Zhou, S.; Mi, H.; Wen, Y.; Liu, H.; Zhang, G.; Guo, J. Sensitivity Analysis and Optimal Design of a Stator Coreless Axial Flux Permanent Magnet Synchronous Generator. Sustainability 2019, 11, 1414. https://doi.org/10.3390/su11051414
Wang W, Zhou S, Mi H, Wen Y, Liu H, Zhang G, Guo J. Sensitivity Analysis and Optimal Design of a Stator Coreless Axial Flux Permanent Magnet Synchronous Generator. Sustainability. 2019; 11(5):1414. https://doi.org/10.3390/su11051414
Chicago/Turabian StyleWang, Wenqiang, Shaoqi Zhou, Hongju Mi, Yadong Wen, Hua Liu, Guoping Zhang, and Jianyong Guo. 2019. "Sensitivity Analysis and Optimal Design of a Stator Coreless Axial Flux Permanent Magnet Synchronous Generator" Sustainability 11, no. 5: 1414. https://doi.org/10.3390/su11051414