DOI:
https://doi.org/10.14483/22484728.11643Publicado:
2016-06-20Número:
Vol. 10 Núm. 1 (2016)Sección:
Visión de CasoControl de un motor de corriente continua de 900 hp
Control of a 900 hp direct current motor
Palabras clave:
DC motor, Drive, PI Control, tachometer, thyristor (en).Palabras clave:
Control PI, Drive, motor DC, tacométrica, tiristor (es).Descargas
Resumen (es)
Este artículo presenta la metodología y las experiencias llevadas a cabo en la puesta en funcionamiento de un motor DC de 900 HP, empleando un DRIVE FINCOR de 842 kVA. Se inicia con el estudio del principio de funcionamiento de los principales elementos del sistema de control como el puente rectificador controlado, la tarjeta de alimentación del campo, tarjeta de señales de referencia y realimentación y los circuitos de potencia y control. Seguidamente se realiza la descripción del funcionamiento del equipo a partir de un lazo cerrado de control con retroalimentación mediante una señal taquimétrica. Finalmente, se presenta el ajuste de los parámetros análogos y digitales de la programación del Drive para operar en un rango de velocidad entre 900 y 1800 RPM, con una corriente de arranque máxima de 400 A y con una rampa de 30 segundos para no sobrecargar la subestación de la instalación.
Resumen (en)
This article shows the methodology and experiences carried out in a direct current operation of a 900 HP motor, using a 842 kVA FINCOR DRIVE. It begins with the operation study principle of the control system as a rectifier bridge, the field supply board, the reference and feedback signal board and the power and control circuits. Then the equipment operation description is made from a closed loop feedback control by a tachometer signal. Finally, the adjustment of the analog and digital parameters for programming Drive appears to operate in a speed range from 900 to 1800 RPM, with a 400 A maximum starting current and a ramp of 30 seconds to avoid overloading the substation installation.
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