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- variable frequency convertor 可调变频器
- VFO? Variable Frequency Oscillator? 可变频率振荡器，变频振荡器?
- Electronic let-off：Moment,Frequency Convertor,A.C.Servo-Control. 电子送经：力矩型，变调型，交流伺服型。
- This paper relates that frequency convertor's elements and it's apply of the field of packing and food machinery. 本文论述了变频调速器的原理及其在食品包装机械中的应用。
- Equipped with high speed and high power electric spindle powered by static frequency convertor,featuring low energy consumption and low noise. 采用高速大功率电动砂轮轴，由静止变频器供电，能耗低、噪声小。
- Main motor is frequency convertor to sync with double backer synchronous belt drive to assure top &bottmm glue stage sync absolutely. 采用变频马达作动力，实现与双面机的可靠同步联动。机内采用全同步带传动，确保上、下层的绝对同步；
- So gurantee good electromagnetism compatibility to frequency convertor is very important, and the key problem is to control quantity of the resonance wave. 因此确保变频器具有良好的电磁兼容性非常重要，其关键是控制好谐波量。
- 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。
- In this paper, a randomization sampling system with AC variable frequency technology, based on IP was introduced. 介绍一种以工控机为核心,利用交流变频调速技术实现的随机取样系统。
- To achieve the basic waveforms (sine, square, etc.) display, a variable frequency and amplitude control. 能够实现基本波形（正弦，方波等）的显示功能，有频率和幅度变量的控制。
- In this paper the ultrafine of attapulgite from Xuyi was studied by variable frequency planet-type grinding mill. 以盱眙产优质凹凸棒石粘土为研究对象,用变频式行星球磨机对其进行超细粉碎。
- The VRV air-conditioning system of variable frequency technology can achieve the effect of energy conservation. 然而，封包的排程方法与睡眠模式的运作方式 对于行动站台的能源消耗会产生很大的影响。
- 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。
- VFC voltage for frequency convertor 频率变换器电压
