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The applications of switched reluctance machines in electrical vehicles, as well as in wind and hydro turbines, are gaining increasing attentions from the industries because of their low cost, low inertia and simple construction. In this paper, a low cost high-side power supply for the gate driver of switched reluctance machine is presented. With the use of a bootstrap technology, the high-side circuit...
The phenomenon of squeaking noise, based on noise spectra data during the running up of a small permanent-magnet DC (PMDC) brush motor, is analyzed. From the analysis, it is found that apart from some mechanical issues, the major contributor of the squeaking noise of PMDC is the unbalanced magnetic radial force. In this study, the unbalanced magnetic radial force is simulated using finite-element...
A two dimensional (2-D) finite element method (FEM) of transient electromagnetic field for modeling power electronic motor drives is presented. The proposed method takes into account the parasitic capacitive effect and can be coupled with arbitrarily connected circuits. The FEM formulation which includes the displacement current in the direction of the modelpsilas depth is deduced. The displacement...
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