Browsing by Author "Atiaja Arias, Edgar Cristóbal"

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    Construcción e implementación de un módulo didáctico para el control de velocidad de un motor trifásico por medio de un plc y un variador de frecuencia para el laboratorio de la Carrera de Ciencias de la Ingeniería y Aplicadas de la Universidad Técnica de Cotopaxi
    (Ecuador: Latacunga: Universidad Técnica de Cotopaxi: (UTC), 2008-11) Atiaja Arias, Edgar Cristóbal; Soria Atiaja, Edison Omar; Velasco Sánchez, Paola Maritza
    The PLC's are electronic devices manufactured to control the processes in the industries in general. The great advantages of the wired logic transform them into an indispensable tool in the field of the automation and the control of processes, replacing to several elements with counters, timers, relay, auxiliary contactors, because the PLC's contains these internally, providing: security, easy handling and economy. Previously to have the control of this machines people realized through mechanical systems as engagements and pulleys, which are not efficient; with the pass of the time could control the speed of the asynchronous motors varying the frequency of supply of these; and through of this principle built the variators of frequency, this kind of technology has been developed until to allow to have the total control of the motor. To know the position, the turn sense and the speed of the motor is coupled to the axis a well-known sensor as encoder that is used at the actuality in the field of the robotics. The purpose of the project is to implement this kind of systems, that nowadays it is very used which the propose is the creation of a didactic module for the speed variation of asynchronous motors, the same one that has the necessary tools for its application such as the programming software, the information about the operation, also has manuals in which can be used as a way of investigation about the installation.