加热炉引风机变频调速控制系统

Variable-frequency Speed Regulation System for Furnace Fan

介绍一种加热炉引风机采用变频调速实现自动控制的方法 ,主要是数字控制器以及可编程控制器在自动控制中的应用 ,给出了工业运行效果。同时还介绍了变频调速系统的硬件配置、调速使用的基本方法和以LOGO为中心的应急控制措施。重点解释了数字控制器的特性和应用组态方法 ,包括控制电路的结构设计特点和方法及数字控制器参数设置的要点。并对该系统的使用效果作了分析。

The paper introduces the method of furnace fan adopting variable-frequency speed controller to realize automatic regulation,introduces application of digital controller and programmable controller and effect in industrial run. The paper introduces hardware configuration of the system, the basic method of variable-frequency speed regulation and the way of emergency control adopting LOGO programmable controller. The paper emphatically explains the characteristic and configurative way of digital controller, including feature and method of control circuit design structure, the main points of setting up the parameters of digital controller. Moreover, it analyzes the effect of the system.