Modeling and Optimal Configuration Design of Flux-Barrier for Torque Improvement of Rotor Flux Switching Permanent Magnet Machine
Abstract
:1. Introduction
2. Machine Topology and Working Principle
3. Flux Barrier Design and Optimization
3.1. Flux Barrier Design
3.2. Optimization of Flux Barrier Geometry Using RS Methodology
4. Performance Evaluation
4.1. No-Load Performance
4.2. Air-Gap Flux Density
4.3. On-Load Torque Performance
4.4. Losses Analysis and Efficiency
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Parameters | Conventional Structure | Proposed Structure |
---|---|---|
Number of stator pole | 24 | |
Number of rotor pole | 10 | |
Stack length (mm) | 83.56 | |
Stator outer diameter, Dso (mm) | 269 | |
Stator inner diameter, Dsi (mm) | 193.68 | |
Stator tooth arc, βst (degree) | 8.1 | |
Air-gap length, g (mm) | 0.73 | |
Rotor outer diameter, Dro (mm) | 192.22 | |
Rotor inner diameter, Dri (mm) | 124.94 | |
Rotor tooth thickness, wrt (mm) | 10.03 | |
Rotor tooth arc, βrt (degree) | 8.1 | |
Rotor slot arc, βrs (degree) | 9.0 | |
PM thickness, wpm (mm) | 12.89 | |
PM height, hpm (mm) | 31.64 | |
Flux barrier thickness, wfb (mm) | - | 4.88 |
Flux barrier height, hfb (mm) | - | 21.89 |
Flux barrier angle θfb (deg) | - | 28.14 |
Iron type | M19_29G | |
PM type | N36Z_20 | |
Number of turns per phase | 72 |
Design Variables | Range |
---|---|
Flux barrier thickness, wfb (mm) | 0.75–5 |
Flux barrier height, hfb (mm) | 7.5–22.5 |
Flux barrier angle, θfb (degree) | 20–30 |
Machine’s Parameters | Conventional Structure | Proposed Structure |
---|---|---|
Rated current (A, rms) | 200 | |
Rated speed (rpm) | 1200 | |
Copper loss (W) | 4405 | |
Core loss (W) | 256.6 | 246.3 |
Eddy current loss (W) | 712 | 643.8 |
Output torque (N.m) | 424.5 | 450 |
Output power (W) | 53,340.3 | 56,524.5 |
Efficiency (%) | 89.3% | 90.8% |
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Nissayan, C.; Seangwong, P.; Chamchuen, S.; Fernando, N.; Siritaratiwat, A.; Khunkitti, P. Modeling and Optimal Configuration Design of Flux-Barrier for Torque Improvement of Rotor Flux Switching Permanent Magnet Machine. Energies 2022, 15, 8429. https://doi.org/10.3390/en15228429
Nissayan C, Seangwong P, Chamchuen S, Fernando N, Siritaratiwat A, Khunkitti P. Modeling and Optimal Configuration Design of Flux-Barrier for Torque Improvement of Rotor Flux Switching Permanent Magnet Machine. Energies. 2022; 15(22):8429. https://doi.org/10.3390/en15228429
Chicago/Turabian StyleNissayan, Chainattapol, Pattasad Seangwong, Supanat Chamchuen, Nuwantha Fernando, Apirat Siritaratiwat, and Pirat Khunkitti. 2022. "Modeling and Optimal Configuration Design of Flux-Barrier for Torque Improvement of Rotor Flux Switching Permanent Magnet Machine" Energies 15, no. 22: 8429. https://doi.org/10.3390/en15228429