Influence of the load angle on magnetic radial forces and torque ripple of a low power permanent magnet synchronous machine

Emre Uygun, Michel Hecquet, Abdelmounaïm Tounzi, Daniel Depernet, Vincent Lanfranchi, Serge Bruno and Thierry Tollance

Mathematics and Computers in Simulation (MATCOM), 2021, vol. 184, issue C, 153-164

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.

Keywords: Radial magnetic force; Torque ripple; Control; Load angle; Permanent magnet machine (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:184:y:2021:i:c:p:153-164

DOI: 10.1016/j.matcom.2020.05.020

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