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The design process of a switched reluctance drive for household applications is described. The machine requirements for modern household applications are summarized and the design process of a 150 W three-phase switched reluctance drive is described. During the process special attention was paid to the stator's mechanical resonance frequencies to assess influences of the acoustic noise. Also drive...
To simulate noise emissions of switched reluctance machines (SRMs), the entire signal transmission chain has to be modeled, starting with the radial force and ending with the radiated sound. Especially the last element of this transmission chain, the radiation characteristic of an SRM, is very rarely addressed in literature. This paper gives a brief introduction to noise development in SRMs and then...
The usage of switched reluctance machines (SRMs) in acoustically critical applications like vehicles requires low noise emissions. This paper gives a brief introduction to noise development in SRMs with a special focus on the influence of the radial force. Based on this analysis in the time and the frequency domain, several noise reduction control strategies are presented and investigated for their...
In this paper, it is shown that under certain conditions aerodynamic sources dominate the acoustic noise emission of switched reluctance drives. It is indicated how the noise sources can be easily identified experimentally. Additionally, simple measures to reduce aerodynamic noise are presented
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