机器速度采用变频器控制，无级调速。
The machine speed can be controlled and adjusted by transducer.
主电机由变频器控制，运转速度可随时调整。
The major motor can be controlled and therefore it's speed can be changed easily.
主要用于变频器控制回路中微弱电压、电流信号的控制。
It is suitable for control weak voltage current signal in the frequency converter control loop.
概述变频调速控制的基本原理，讨论变频器控制技术在高速卷烟机组供纸系统中的应用。
The basic principle of the paper feeding is introduced with inverter drive's control system.
提出了采用变频器实现整经机恒张力的控制方法，对该系统进行了设计分析。
A controlling method for keeping tension constant about beaming machine is put forward.
提出了采用变频器实现整经机恒张力的控制方法，对该系统进行了设计分析。
A controlling method for keeping tension constant about beaming machine is put forward.
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