Optimization and Torque Improvement of a Salient-Pole Permanent Magnet Synchronous Machine by Three-step Skewed Pole Shoe Method | ||
| AUT Journal of Electrical Engineering | ||
| مقاله 10، دوره 56، Issue 1 (Special Issue)، 2024، صفحه 125-140 اصل مقاله (1.13 M) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22060/eej.2024.22513.5544 | ||
| نویسندگان | ||
| Hossein Parivar* ؛ Ahmad Darabi | ||
| Department of Electrical Engineering, Shahrood University of Technology, Shahrood, Iran | ||
| چکیده | ||
| In this paper, a novel method to design and optimization of a 1.5 kW, 4-pole, 36-slot salient-pole permanent magnet synchronous machine (SPPMSM) based on a three-step skewed pole shoe method to reduce the output torque ripple and the cogging torque is investigated. In the first step, an initial model of the SPPMSM is designed, simulated, and verified through the Finite-Element method (FEM). The simulation results ensure the electromagnetic performance of the initial model of the machine under any operating conditions. Next, a novel method to re-design and optimize the SPPMSM based on a three-step skewed pole shoe shape is presented.. The significant results obtained from the optimized model of the SPPMSM are as: The output average torque and the air gap flux density are increased approximately by 12.65% and 3.33%, respectively compared to the initial design of the SPPMSM. The torque ripple is an important parameter in the design of the machine, and so, is decreased by about 16.03% which is equal to 10.41% in comparison with the initial model which is equal to 12.41%. The cogging torque in the initial model of the SPPMSM is equal to 0.036 N.m and with a 19.44% reduction, in the optimized model, it is 0.029 N.m. And finally, the back-EMF voltage of the SPPMSM is improved by 1.27% compared to the initial design model. | ||
| کلیدواژهها | ||
| Salient-pole Permanent Magnet Synchronous Machine؛ Skew-pole Method؛ Torque Ripples؛ Cogging Torque؛ Finite-element Method) | ||
| مراجع | ||
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