台达VFD-G系列变频器在注塑机节能改造系统中的应用

Application of Delta VFD-G Series Inverter the Injection Molding Machine

文章介绍了注塑机的工作原理,论述了注塑机节能改造的可行性,分析了变频节能效果,选择用台达VFD-G系列变频器进行变频调速,给出了实现变频调速的控制方法,包括控制信号的选取与处理,变频器主电路和控制电路的设计。完成华研注塑机变频调速控制的调试,并计算出改造后的节电率,能达到良好的节能效果。

This paper introduces the principle of the injection molding machine, discusses the feasibility of energy-saving injection molding machine.and analyzes frequency conversion energy-saving effect.through application Delta VFD-G Series Inverter, it given the control method of the VVVF, which includes the control signal＇s selection and processing, and the design of inverter main circuit and control circuit.