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The paper presents an FE model of coupled electromagnetic and thermal phenomena in Line Start Permanent Magnet Synchronous Motors (LSPMSMs). An algorithm for solving equations of a discrete model using the FEM has been presented. On the basis of this algorithm the author’s personally developed software for the analysis of coupled electromagnetic-thermal phenomena in the LSPMS motors was elaborated...
The paper deals with the analysis of electromagnetic phenomena in a two-winding permanent magnet synchronous generator (PMSG) driven by wind turbines. The machine's winding is designed to facilitate application of a low cost and reliable AC/DC power electronic converter. The finite element method has been employed to develop numerical models for the case study problem of the machines. Special attention...
The paper presents a 2D field-circuit model of coupled electromagnetic thermal and mechanical phenomena in a line start permanent magnet synchronous motor (LSPMSM). The nonlinearity of the magnetic circuit, the influence of temperature on magnetic properties of the permanent magnets as well as on electric and thermal properties of the materials have been taken into account. The elaborated on the basis...
The new structure of the line start synchronous motor with the arc bonded magnets placed inside the rotor and the magnetic circuit made of the Somaloy 500 powder material has been presented. In order to obtain line start ability a squirrel-cage was placed in the rotor. The field-circuit model of the considered motor has been elaborated in the Maxwell environment. To perform analysis in the elaborated...
The paper deals with analysis of operation under fault conditions of the permanent magnet synchronous motor (PMSM) supply systems composed of a number of 3-phase drives. The considered 3 test PMSM differ in number of phases of supply system and arrangement of the windings. The elaborated field models of these motors have been used to determine the electromagnetic torque and unbalanced magnetic pull...
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