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首页> 外文期刊>IEEE Transactions on Energy Conversion >Magneto-thermal coupled analysis of canned induction motor
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Magneto-thermal coupled analysis of canned induction motor

机译:屏蔽感应电动机的磁热耦合分析

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The authors present the calculation of the distribution of the transient temperature in the rotor bars of a canned induction motor, during locked rotor conditions, where the phenomena of electromagnetically induced currents and heat transfer are coupled. They have developed a coupled finite element electromagnetic code called WEMAP in which the calculated power loss densities are used as the heat sources for a transient thermal solution in subregions of the original problem geometry. These subregions are enclosed by surfaces on which either temperature or a convection boundary condition is known. In addition, the change in rotor bar resistance as a function of the temperature is included in these calculations. The calculated temperatures are compared with test results, and favorable agreement is obtained.
机译:作者介绍了在转子堵转条件下,电磁感应电流和热传递现象耦合在一起的情况下,罐装感应电动机的转子条中瞬态温度分布的计算。他们开发了一种称为WEMAP的耦合有限元电磁代码,其中计算出的功率损耗密度被用作原始问题几何形状的子区域中瞬态热解的热源。这些子区域被已知温度或对流边界条件的表面包围。此外,这些计算中还包括了转子棒电阻随温度的变化。将计算出的温度与测试结果进行比较,并获得良好的一致性。

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