Abstract
Self-commissioning has become an important feature of modern electric drives, of which the voltage source inverter (VSI) nonlinearity self-learning is a part. This paper investigates a VSI nonlinearity self-learning method for dual three-phase permanent magnet synchronous motor (DTP-PMSM) drives based on harmonic plane current injection. First, the zero-axis voltage effect of the six-phase inverter is analyzed, which shows that the error caused by the zero-axis voltage can be eliminated by keeping one phase current at zero. Then, a special harmonic plane current injection method is proposed to eliminate the zero-axis voltage effect at arbitrary rotor initial position. In this way, the VSI nonlinearity self-learning considering the zero-axis voltage is achieved. In addition, a novel self-learning process is designed to resist the unbalance factors in the power device and winding, which is easy to implement. Experimental results are in support of the features of the proposed method.
| Original language | English |
|---|---|
| Title of host publication | 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 5297-5302 |
| Number of pages | 6 |
| ISBN (Electronic) | 9798350316445 |
| DOIs | |
| State | Published - 2023 |
| Externally published | Yes |
| Event | 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 - Nashville, United States Duration: 29 Oct 2023 → 2 Nov 2023 |
Publication series
| Name | 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 |
|---|
Conference
| Conference | 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 |
|---|---|
| Country/Territory | United States |
| City | Nashville |
| Period | 29/10/23 → 2/11/23 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Dual three-phase permanent magnet synchronous motor drives
- current injection
- inverter nonlinearity
- self-learning
- zero-axis voltage
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