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ENERGY EFFICIENCY OF INDUCTION MOTORS RUNNING OFF FREQUENCY CONVERTERS WITH PULSE-WIDTH VOLTAGE MODULATION

机译:带有脉宽电压调制的异步电动机运行于频率转换器的能量效率

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摘要

The results of calculations of the increase in losses in an induction motor with frequency control and different forms of the supply voltage are presented. The calculations were performed by an analytic method based on harmonic analysis of the supply voltage as well as numerical calculation of the electromagnetic processes by the finite-element method.
机译:给出了具有频率控制和不同形式的电源电压的感应电动机中损耗增加的计算结果。计算是通过基于电源电压谐波分析的解析方法以及通过有限元方法进行的电磁过程的数值计算来进行的。

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