Maximum Efficiency Per Nm Control for Permanent Magnet Synchronous Motor Drives Based on Geometric Tangent Method
| Autor: | Lizheng Li, Kexun Yu, Xianfei Xie |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Operating point Electromagnetics Computer science Computation 020208 electrical & electronic engineering Tangent 02 engineering and technology 01 natural sciences Control theory 0103 physical sciences 0202 electrical engineering electronic engineering information engineering Trajectory Torque Synchronous motor Voltage |
| Zdroj: | 2019 22nd International Conference on Electrical Machines and Systems (ICEMS). |
| DOI: | 10.1109/icems.2019.8921900 |
| Popis: | In order to satisfy the torque request with maximum efficiency for permanent magnet synchronous motor (PMSM), a maximum efficiency per Nm (MEPNm) control method is proposed in this paper. The proposed method gives the optimal operating point of the PMSM under different operating conditions, which meets voltage and current constraints and allows the PMSM to operate at maximum efficiency while satisfying the torque request as much as possible. However, in order to obtain the analytical solution of the optimal operating point, complex fourth-order equations need to be solved. Hence, this text proposes the MEPNm method using a novel algorithm to quickly obtain high-precision numerical solutions based on geometric tangent method, and it is quite efficient to avoid the complicated computations. Therefore, the proposed method can provide optimal operating point in real-time for the dynamic adjustment of PMSM parameters. In the end, simulations are curried out and the results confirm the effectiveness of MEPNm method. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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