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- 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。
- 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]
- 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
- 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
- variable frequency devices 变频装置
- VFO? Variable Frequency Oscillator? 可变频率振荡器，变频振荡器?
- 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
- 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。
- variable frequency device 变频器
- The develop ment of novel single frequency devices shows a bright future for near infrared laser diodebased gas sensing. 新型单频器件发展表明近红外激光二极管气体传感具有广阔前景。
- 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。
- 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。
- A new improved discrete variable voltage variable frequency equivalent sinusoidal control method is presented. 一种新的离散变压变频等效正弦控制方法被提出。
- 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。
