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Ingeniería Energética
versión On-line ISSN 1815-5901
Resumen
VIEGO FELIPE, Percy Rafael; GOMEZ SARDUY, Julio Rafael; DE ARMAS TEYRA, Marcos Alberto y REYES CALVO, Royd. Induction motor power factor and efficiency IN-SITU determination under partial loads. Energética [online]. 2014, vol.35, n.1, pp. 15-26. ISSN 1815-5901.
Three phase induction motors are rarely operating at full load and, in consequence, power factor and efficiency are affected. Determining these values for different partial loads is needed for energy saving programs in industrial and service enterprises. In this work, procedures are given for power factor and efficiency estimation at different loads. These procedures are low or not-invasive, have a good precision for engineering purposes, and do not require neither complex equipment nor complicated acquisition and processing data systems Different ways for estimating the before mentioned parameters, depending on the known data, are given. The results of the proposed procedures are compared with those of manufacturer catalogs. A comparative analysis considering motors of different output power and speed is done, and it shows that the results are enough accurate for the established purposes.
Palabras clave : efficiency; power factor; induction motors.