In this paper, the main research content is CNC efficiency of Variable Velocity Variable frequency Crumb cake hydraulic machine.
本文主要研究内容是变频调速液压屑饼机的数控效率问题。
This paper introduces a frequency variable and velocity variable system using IPM. Some problems which should be noticed in applications are presented.
介绍一种应用智能功率模块的变频调速系统，提出了使用智能功率模块时应注意的关问题。
The paper presents a SPWM frequency variable and velocity variable system with SCR as main switching devices. The proposed scheme has been verified through experiment.
介绍一种以SCR作主开关器件的SPWM控制方式的变频调速系统，并通过实验对提出的方案进行了验证。
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