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Experimental Verification of Acoustic Noise and Radial Force Sum Variation in Switched Reluctance Motor

2021; Institute of Electrical and Electronics Engineers; Volume: 57; Issue: 3 Linguagem: Inglês

10.1109/tia.2021.3066955

1939-9367

Jihad Furqani, Candra Adi Wiguna, Akira Chibá, Omer Gundogmus, Yilmaz Sozer, Agus Purwadi,

Magnetic Properties and Applications

Acoustic noise reduction is one of the main topics of switched reluctance motor (SRM) developments. One of the effective methods is flattening three-phase radial force sum. This method is verified in experiments by optimizing the current profile. Novel current waveforms have been proposed recently for acoustic noise reduction without sacrificing the efficiency in the 18/12 SRM, which has competitive power density, torque density, peak efficiency, and outer dimensions compared with the permanent magnet motor employed in hybrid electric vehicles. In this article, electro-mechanical analysis and acoustic analysis are carried out to verify acoustic noise reduction in the 18/12 SRM. The relationship between radial force sum F rsum , torque ripple T rip , and acoustic noise is investigated. Experimental confirmation is also included.