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The modal analysis plays an important role in analyzing the vibration and noise of the motors. The models of the stator which are based on the interior permanent magnet synchronous motors (IPMSM) by the 3D finite element software are analyzed. Firstly, it is significant to simplify the stator rind by considering the different components. Then the relationships of the different parameters of the stator...
Modal analysis is an important step which studies the vibration characteristics of the motors. The passage analyzes the models of the stator by the 3D finite element software called Workbench, which are based on the interior permanent magnet (IPM) synchronous motor which has 6 pole- pairs and 36 slots structure. Meanwhile, the influence of the yoke thickness, tooth depth, tooth width, the stator coils,...
This paper presents the design and analysis of a novel three-phase rotary transformer that can be used to replace the brushes and slip rings of the doubly fed induction generators (DFIG). Design aspects of the transformer cores are investigated to ensure easy manufacturing and a relatively constant reluctance while the secondary of the transformer is rotating. Guidelines for the air-gap, stator and...
The dispersibility of permanent magnetic materials of mass production cannot be avoided, which can affect the performance of line-start permanent magnet synchronous motor(PMSM). The effect of dispersibility of permanent magnet on the starting performance, no load performance and rated performance is studied in this paper. The dispersibility of PM has great effect on the minimum torque in starting...
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