Loss Investigation for Multiphase Induction Machine under Open-Circuit Fault Using Field–Circuit Coupling Finite Element Method
Abstract
:1. Introduction
2. Fault-Tolerant Current Design and Analysis
2.1. Residual Phase Currents Reconstitution
2.2. Coupling between the Fundamental and Harmonic Planes
3. Time-Stepping FE Calculation
3.1. Field–Circuit Coupling FE Model
3.2. Transient and Steady Performance
3.3. Loss Calculation and Analysis
4. Experimental Validation and Analysis
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Fault 1 | Fault 2 | Fault 3 | Fault 4 | |
---|---|---|---|---|
i1 | 0 | 0 | 0 | 0 |
i2 | 0 | |||
i3 | 0 | |||
i4 | 0 | |||
i5 | ||||
i6 | ||||
i7 |
Fault 1 | Fault 2 | Fault 3 | Fault 4 | |
---|---|---|---|---|
−1.108N3 | −0.387N3 | −0.233N3 | −2.446N3 | |
0 | 0.486N3 | −1.106N3 | −1.178N3 | |
−0.449N3 | 0.255N3 | −1.443N3 | −0.650N3 | |
0 | 1.116N3 | −0.695N3 | −0.815N3 | |
−0.523N3 | −0.204N3 | −0.743N3 | −0.250N3 | |
0 | 0.893N3 | −0.358N3 | −0.313N3 | |
−1.419N3 | 3.164N3 | −1.081N3 | −0.154N3 | |
0 | 1.524N3 | −1.356N3 | −0.677N3 |
Phase number | 7 | Pole number | 4 |
Rated voltage (RMS) | 110 V | Rated current (RMS) | 8.5 A |
Rated flux | 0.468 Wb | Rated magnetizing current | 3.6 A |
Rated speed | 1460 pm | Number of turns | 76 |
Number of stator slots | 28 | Number of rotor slots | 38 |
Iron Loss (W/pu) | Stator Joule Loss (W/pu) | Rotor Joule Loss (W/pu) | Total Loss (W/pu) | |
---|---|---|---|---|
Fault 1 | 78.4/1.04 | 124.2/1.31 | 143.3/1.57 | 345.9/1.32 |
Fault 2 | 82.2/1.09 | 212.5/2.24 | 309.8/3.40 | 604.5/2.31 |
Fault 3 | 79.8/1.06 | 153.2/1.61 | 200.0/2.20 | 433.0/1.66 |
Fault 4 | 81.6/1.08 | 166.6/1.75 | 205.8/2.26 | 454.0/1.74 |
Rated Speed | Fault 1 (FEM/Test) | Fault 2 (FEM/Test) | Fault 3 (FEM/Test) | Fault 4 (FEM/Test) |
---|---|---|---|---|
20% | (92%/91%) | (67%/66%) | (81%/80%) | (79%/78%) |
60% | (89%/88%) | (65%/64%) | (79%/78%) | (77%/76%) |
100% | (86%/85%) | (62%/61%) | (76%/75%) | (74%/73%) |
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Jia, H.; Yang, J.; Deng, R.; Wang, Y. Loss Investigation for Multiphase Induction Machine under Open-Circuit Fault Using Field–Circuit Coupling Finite Element Method. Energies 2021, 14, 5686. https://0-doi-org.brum.beds.ac.uk/10.3390/en14185686
Jia H, Yang J, Deng R, Wang Y. Loss Investigation for Multiphase Induction Machine under Open-Circuit Fault Using Field–Circuit Coupling Finite Element Method. Energies. 2021; 14(18):5686. https://0-doi-org.brum.beds.ac.uk/10.3390/en14185686
Chicago/Turabian StyleJia, Huili, Jiaqiang Yang, Rongfeng Deng, and Yan Wang. 2021. "Loss Investigation for Multiphase Induction Machine under Open-Circuit Fault Using Field–Circuit Coupling Finite Element Method" Energies 14, no. 18: 5686. https://0-doi-org.brum.beds.ac.uk/10.3390/en14185686