The set of parameter of V/ F function is the key to assure the static precision of speed for the frequency converter. 其中,V/F曲线参数设定是保证变频调速系统静态速度精度的关键。
In is this paper, one kind of three-point electromagnetism isolation amplifier is designed using the V/ F and F/ V converter. It has an internal three-port isolated power. 它主要应用在自动控制、医学和核工业等领域。本篇介绍以V/F、F/V变换器为主要器件设计一种电磁隔离放大器,内置三端隔离电源。
A New Design Method of Raising the A/ D Conversion Rate of V/ F Converter 一种提高V/F方式A/D转换速率的新颖设计方法
This paper introduces the main program design of the loopback measurement system and the program design of A/ D convertion when V/ F converter is connected with single ship microcomputer, and gives the program flow diagram. 介绍了巡回检测系统主程序设计和V/F变换器与单片机构结合实现A/D转换的程序设计,并给出了程序流程图。
The threshold voltage is set by output channel comprised of pulse generator, photoelectric coupler and F/ V converter, and the detection result is input through photoelectric coupler. 利用可变频脉冲发生器、光电耦合器和F/V转换器组成输出通道,设定阀值;检测结果由光电耦合器隔离输入;
System includes sensors monitoring unit, F/ V converter, data acquisition and storage unit, wireless transmission unit and software of corresponding modules. 系统的设计主要包括:传感器监测单元,F/V转换电路,数据采集和存储单元,无线传输单元,以及相应单元模块的软件。