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El principio de funcionamiento del sistema de control del grupo electrógeno diésel
Hora de lanzamiento:2025-09-16 11:10Vistas de la página:


   El sistema de control del grupo electrógeno diésel es como el corazón del grupo electrógeno. El uso del sistema de control inteligente mejora en gran medida el funcionamiento del grupo electrógeno diésel y garantiza el funcionamiento estable del grupo electrógeno diésel. Entonces, ¿qué principio y algoritmo se utiliza para realizar el sistema de control? Para la parte de control del grupo electrógeno diésel, el controlador de excitación digital tiene alta precisión, respuesta rápida y fuerte adaptabilidad del algoritmo de control en comparación con con el controlador de excitación de circuito analógico tradicional. Para motores con diferentes características, se puede adaptar siempre que se ajusten los parámetros del programa, y se pueden realizar aún más algoritmos de control inteligente adaptativo de alta gama. Primero, la implementación de software y la investigación de algoritmos del controlador de excitación digital discute principalmente el software del controlador de excitación digital y el algoritmo de control utilizado. En primer lugar, se diseña el programa principal del controlador de excitación digital, y luego se estudian e implementan en la CPU el algoritmo de recolección de parámetros de potencia y el algoritmo de control de excitación inteligente. Para lograr un control de excitación digital preciso, es necesario obtener datos de potencia en tiempo real y precisos, y para obtener datos de potencia en tiempo real y precisos, es necesario utilizar el método de muestreo de CA, y deducir la fórmula de cálculo de cada potencia bajo muestreo de CA, y finalmente escribir el programa del algoritmo para calcular los datos de potencia. El muestreo de CA es muestrear el valor instantáneo de la señal medida según ciertas reglas, y luego obtener el método de medición de los parámetros de potencia medidos según ciertos algoritmos matemáticos. A continuación se dan las fórmulas discretas en varios algoritmos de voltaje CA, corriente alterna, potencia activa, potencia reactiva y factor de potencia. En segundo lugar, el esquema de diseño general del controlador de excitación digital, fuente de alimentación de trabajo: debido a los requisitos de potencia de trabajo del microprocesador, necesitamos una fuente de alimentación de CC estable de 5 V, y la fuente de alimentación del circuito de funcionamiento del circuito de acondicionamiento de señal requiere un conjunto de fuente de alimentación de 12 V CC. Además, la salida del interruptor necesita impulsar el relé, por lo que se requiere una fuente de alimentación de + 24 V CC. Por esta razón, necesitamos diseñar un módulo de conversión de energía para obtener los tres juegos de fuente de alimentación de CC necesarios para el funcionamiento normal del sistema. En tercer lugar, el diseño del circuito principal de la salida de excitación. La salida de potencia del controlador de excitación es una salida de CC que puede controlar la corriente y el voltaje. El diseño general determina que el voltaje nominal de la salida del rectificador de excitación es de 80 VCC, la corriente de excitación nominal es de 10 A y alcanza los 25 A cuando se excita fuertemente. La potencia de excitación proviene de la fuente de alimentación de CA, que puede ser proporcionada por el propio generador o de forma externa. La fuente de alimentación suministrada de forma externa suele ser relativamente buena y estable. La fuente de alimentación proporcionada por el generador se ve afectada por el arranque, y puede haber factores inestables como fluctuaciones y distorsiones durante el funcionamiento, que afectarán al rendimiento de la salida de excitación. Por eso estudiamos y diseñamos la situación de tomar energía del generador.

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