Torque Curves for a Three-Phase Induction Motor Operating a Fan

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This Demonstration shows superimposed plots of the torque curves of a three-phase induction motor and that of a connected ventilation fan.

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The intersection of the two curves is highlighted to show the operating point for each set of parameters, that is, the torque and the speed at which the fan-motor assembly turns for different rotor resistances and power supply conditions.

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Contributed by: Diego M. Ferreyra (October 2013)
Open content licensed under CC BY-NC-SA


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