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Calculation of iron losses of an induction motor when supplied from a sinusoidal source and from a frequency converter

Branko Tomičić, Dario Sente

Sažetak

The paper analyzes the no-load losses of an induction motor used in a variable speed electric drive. The results obtained by measurements with sinusoidal voltage and with a frequency converter are compared to those obtained by calculation. Possible reasons for deviations are stated and recommendations for the correct selection of input parameters for the calculation are given.

Ključne riječi

no-loadinduction motorfrequency converteriron losses