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Mathematical Model of Operating Characteristics of Asynchronous Motors with Frequency Control

机译:变频调速异步电动机运行特性数学模型

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摘要

A method for calcualting the operating characteristics of operated asynchronous motors fed with pulse voltage is presented in the article. Based on this method, a G-shaped equivalent circuit is displayed for each harmonic in which the pressure curve corresponds to the phase of the current. The suggested model takes into consideration the influence of replacing a current on the active resistance of a rotor at higher harmonics, as well as the increase in magnetic losses due to hysteresis and vortical currents.
机译:本文介绍了一种计算带脉冲电压的异步电动机运行特性的方法。基于此方法,将为每个谐波显示G形等效电路,其中压力曲线对应于电流的相位。建议的模型考虑了在高次谐波下更换电流对转子的有源电阻的影响,以及由于磁滞和涡流而导致的磁损耗增加。

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