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Influence of the load angle on magnetic radial forces and torque ripple of a low power permanent magnet synchronous machine
Mathematics and Computers in Simulation ( IF 4.6 ) Pub Date : 2021-06-01 , DOI: 10.1016/j.matcom.2020.05.020
Emre Uygun , Michel Hecquet , Abdelmounaïm Tounzi , Daniel Depernet , Vincent Lanfranchi , Serge Bruno , Thierry Tollance

Abstract This paper shows the influence of the shift phase angle ψ between phase currents and back-electromotive forces on magnetic radial forces and torque ripple for a specific low power permanent magnet synchronous machine. This influence is firstly demonstrated through analytical development considering only the first harmonic values. Then, magnetic pressure harmonics versus space and frequency as well as torque ripple are evaluated on the studied motor for different angles using finite element approach. The aim is to establish a good compromise between consumed current, torque and radial force harmonics at the origin of the electromagnetic noise. Experimental measurements with a sensorless field-oriented control are detailed.

中文翻译:

负载角对小功率永磁同步电机径向磁力和转矩脉动的影响

摘要 本文研究了特定低功率永磁同步电机的相电流和反电动势之间的相移相位角ψ对磁径向力和转矩脉动的影响。这种影响首先通过仅考虑一次谐波值的分析开发来证明。然后,使用有限元方法在不同角度的研究电机上评估磁压力谐波与空间和频率以及转矩脉动的关系。目的是在电磁噪声的起源处建立消耗电流、扭矩和径向力谐波之间的良好折衷。详细介绍了使用无传感器磁场定向控制的实验测量。
更新日期:2021-06-01
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