Performance Comparison of High-Speed Motors for Electric Vehicle
Abstract
:1. Introduction
2. Target Performances and Design Flow
3. Design of PMSM
3.1. Mechanical Design of PMSM
3.2. Electrical Design of PMSM
3.3. Torque and Phase Voltage at Required Speed of PMSM
4. Design of SRM
4.1. Mechanical Design of SRM
4.2. Electrical Design of SRM
4.3. Torque and Phase Voltage at Required Speed of SRM
5. Design of IM
5.1. Mechanical Design of IM
5.2. Electrical Design of IM
5.3. Torque and Phase Voltage at Required Speed of IM
6. Performance Comparison of Designed Motors
6.1. Motor Volume
6.2. Mechanical Strength
6.3. Output Characteristics
6.4. Loss and Efficiency
7. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Output power [kW] | 85 |
Maximum torque [N m] | 70 |
Voltage source [V] | 365 |
Maximum current [Arms] | 356 |
Current density [A/mm2] | 15 |
Maximum diameter [mm] | 200 |
Stack length of core [mm] | 100 |
Number of poles | 4 |
Stator slots | 6 |
Number of turns [turn/slot] | 7 |
Resistance of winding [Ω] | 0.0018 |
Winding type | Concentrated |
Air gap [mm] | 0.5 |
Magnet thickness [mm] | 5 |
Current density [A/mm2] | 10 |
Material of magnetic steel sheet | 35H230 |
Material of permanent magnet | NEOMAX-42 |
Number of magnet segmentations | 16 |
Number of poles | 8 |
Stator slots | 12 |
Number of turns [turn/slot] | 5 |
Resistance of winding [Ω] | 0.003 |
Winding type | Concentrated |
Air gap [mm] | 0.5 |
Magnet thickness [mm] | 5 |
Current density [A/mm2] | 12.7 |
Material of magnetic steel sheet | 35H230 |
Number of poles | 4 |
Stator slots | 24 |
Number of bars | 36 |
Number of turns [turn/slot] | 4 |
Resistance of winding [Ω] | 0.003 |
Winding type | Distributed |
Air gap [mm] | 0.5 |
Current density [A/mm2] | 11 |
Material of magnetic steel sheet | 35H230 |
Material of bar | Aluminum |
Secondary resistance [Ω] | 0.071 |
Primary leak inductance [μH] | 26.2 |
Secondary leak inductance [μH] | 26.2 |
Mutual inductance [μH] | 278 |
PMSM | SRM | IM | |
---|---|---|---|
Size [mm] | φ174 × L100 | φ200 × L100 | φ180 × L100 |
Rotor outer diameter [mm] | 70 | 114 | 80 |
Motor volume [p.u.] | 0.76 | 1.0 | 0.81 |
Current density [A/mm2] | 10 | 12.7 | 11 |
Motor size | Mises Stress at Maximum Speed | Motor Efficiency | |
---|---|---|---|
PMSM | Φ174 mm × L100 mm | 287 MPa (Rotor diameter: 70mm) | 11,500 min−1: 97% 52,000 min−1: 86% |
SRM | Φ200 mm × L100 mm | 291 MPa (Rotor diameter: 114mm) | 11,500 min−1: 95% 52,000 min−1: 81% |
IM | Φ180 mm × L100 mm | 258 MPa (Rotor diameter: 80mm) | 11,500 min−1: 78% 52,000 min−1: 79% |
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Aiso, K.; Akatsu, K. Performance Comparison of High-Speed Motors for Electric Vehicle. World Electr. Veh. J. 2022, 13, 57. https://doi.org/10.3390/wevj13040057
Aiso K, Akatsu K. Performance Comparison of High-Speed Motors for Electric Vehicle. World Electric Vehicle Journal. 2022; 13(4):57. https://doi.org/10.3390/wevj13040057
Chicago/Turabian StyleAiso, Kohei, and Kan Akatsu. 2022. "Performance Comparison of High-Speed Motors for Electric Vehicle" World Electric Vehicle Journal 13, no. 4: 57. https://doi.org/10.3390/wevj13040057