Diseño y construcción de un módulo didáctico, para el control de un motor trifásico

Abstract

In Ecuador, the creation of control boards to control power drives is booming, since its versatility gives the user a high degree of reliability comparable to PLC. In the Training School of Technologists there is no evidence in the practical training of the handling of electronic power elements with microprocessed devices, because for the moment the laboratory practices are separated into two parts, one with low voltage levels (5 VDC and 12 VDC) and one with medium voltage levels (120 VAC and 220 VAC). The teaching module to be described controls a three-phase 0.75 Hp motor, using an Atmel 164P microcontroller, in order that students can relate to the work of induction motors, electromagnetic contactors, voltage couplers and microprocessed systems. In addition, one of the methods used to brake the engine was used as the dynamic brake that allows to reduce the time that the motor uses to stop using direct current, since at industrial level, not only the method of disconnecting the power source the motor.