Curvas de motores trifásicos de inducción de dos polos
Date
2022-12
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AJEA- Actas de Jornadas y Eventos Académicos de UTN
Abstract
Este trabajo es una fracción de una investigación que incluye valores de funcionamiento y curvas de motores de inducción de varias potencias y polaridades de un mismo fabricante. Consiste en mostrar y analizar brevemente las curvas características de algunos motores de dos polos obtenidas mediante la resolución, por software, de un modelo del circuito equivalente tradicional cuyos parámetros son variables linealmente con la velocidad. Las curvas corresponden a impedancias, corrientes y sus ángulos, momentos y pérdidas, para todas las velocidades, desde el arranque hasta vacío y para los tamaños constructivos IEC 71 y 315. Se observan y comparan sus formatos y se obtienen conclusiones al respecto.
This work derives from part of an ongoing research including operating values and curves for induction motors of different powers and pole numbers produced by a given manufacturer. It consists of showing and briefly analyzing the characteristic curves for some two-pole motors obtained by solving, by means of a software, the model for the traditional equivalent circuit, its parameters being linearly variable with the speed. Said curves refer to the impedances, currents and their angles, torques and losses, for all the speeds from standstill to no-load operation and for IEC sizes 71 and 315. The curve shapes are compared, and conclusions are then obtained regarding them.
This work derives from part of an ongoing research including operating values and curves for induction motors of different powers and pole numbers produced by a given manufacturer. It consists of showing and briefly analyzing the characteristic curves for some two-pole motors obtained by solving, by means of a software, the model for the traditional equivalent circuit, its parameters being linearly variable with the speed. Said curves refer to the impedances, currents and their angles, torques and losses, for all the speeds from standstill to no-load operation and for IEC sizes 71 and 315. The curve shapes are compared, and conclusions are then obtained regarding them.
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Keywords
Motores de inducción, Circuito equivalente, Curvas de motores eléctricos, Induction motors, Equivalent circuit, Electric motor curves
Citation
Jornadas de Ciencia y Tecnología 2022
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