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- This paper describes the application of Variable Frequency Device in FCS. The hardware configurations and con-trol strategy configurations of FC$ and the principle of VFD are introduced. 论文叙述了变频调速技术在现场总线控制系统中的应用。介绍了该FCS的硬件配置、控制策略组态方案和采用变频调速技术的节能原理。
- Abstract: This paper describes the application of Variable Frequency Device in FCS. The hardware configurations and con-trol strategy configurations of FC$ and the principle of VFD are introduced. 文摘:论文叙述了变频调速技术在现场总线控制系统中的应用。介绍了该FCS的硬件配置、控制策略组态方案和采用变频调速技术的节能原理。
- Jiang Xia,Jiang Qirong,Yan Gangui,et al.Self-excitation of induction motor shunted with LC filter of high voltage variable voltage variable frequency device[J].AEPS,2003,27(4):45-49(in Chinese). [5]蒋霞;姜齐荣;严干贵;等.;高压变频调速中LC滤波电容与异步电机之间的自激[J]
- More and more variable frequency devices (VFD) are being installed on the chilled water and hot water pumps on the TAMU campus. 建筑水环境攸关于建筑物内用水的来与去，其中给水系统的使用以舒适性（足量、足压、适温）及良好的水质为最重要的考量因素。
- The Application of PLC and Variable Frequency Device on the Bridge Crane PLC和变频器在桥式起重机上的应用
- SELF-EXCITATION OF INDUCTION MOTOR SHUNTED WITH LC FILTER OF HIGH-VOLTAGE VARIABLE VOLTAGE VARIABLE FREQUENCY DEVICE 高压变频调速中LC滤波电容与异步电机之间的自激
- variable frequency device 变频器
- VFO? Variable Frequency Oscillator? 可变频率振荡器，变频振荡器?
- Application of Variable Frequency Devices on the Energy Saving Reform of Boiler Control System 变频调速器在锅炉控制系统节能改造中的应用
- variable frequency devices 变频装置
- This paper discribes several components of variable frequency speed controlling in living district constant-pressure water feed,introduces a constant-pressure water feed system make up of iPF inverter(lays inside IWS constant-pressure control device). 概述了变频调速器在生活区恒压供水中的几种构成方式，介绍了采用iPF变频器（内置IWS恒压供水控制基板）组成的恒压供水控制系统。
- This paper has a discussion on the dissipated heat, vibration proof and maintenance of variable frequency speed regulating device in AC electrical haulage shearer, and puts forward some basis of design and methods of maintenance. 分析了变频调速装置在交流电牵引采煤机上使用时关于散热、抗震和维护的几个问题 ,并提出一些设计的依据和维护的方法。
- EAL-68 with small amount of additive is suitable for R407C in variable frequency rotary compressors of YZB-20R. EAL-68型POE润滑油加入少量添加剂可以作为R407C的YZB-20R型变频压缩机用油。
- Supporting hand-held devices, such as PDAs and radio frequency devices. 支持手持设备，例如pda和射频设备。
- The frequency inverters has a function of variable voltage and variable frequency. 频率逆变器具有变压、变频功能。
- Energy consumption of variable frequency drive pump are analyzed,and makes sugg estions about its suitable application. 详细分析了变频调速水泵的能耗，对如何合理应用变频调速水泵进行了探讨。
- An idea of design is provided for asynchronous m otor of variable frequency variable speed in this paper mainly. 本文主要为变频调速异步电动机的设计提供一条思路。
- Motor for deflector roll in entry side is requested to use AC variable frequency control. 卷取机卸卷小车行走电机采用交流变频调速控制。
- Then the parameterand implement frame of variable frequency test system are dis cussed. 对变频试验系统的参数和实际组件进行了讨论。
- The machine uses core wire tension control device and advanced computer frequency devices that can be adjusted within the provisions of speed spindles. 有芯线张力控制机构，有电脑变频装置。
