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- variable frequency generator control 可变频率发生器控制
- two frequencies variable frequency generator 双频变频发电机
- variable frequency generator 可变频率发生器
- VFO? Variable Frequency Oscillator? 可变频率振荡器，变频振荡器?
- The design, commissioning and application of variable frequency regulation system for drain pump of No.2 low-pressure heater of No.4 generator (200 MW) in Jingmen Thermal Power Plant were introduced. 摘要介绍了荆门热电厂4号机组(200MW)采用的2号低压加热器硫水泵变频调节系统的设计、调试及应用情况，该系统克服了传统的定速调节的诸多弊端，取得了很好的经济效益。
- 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。
- Purpose: Audio frequency general purpose ,driver stage amplifier applications. 用途:用于音频放大,激励级放大。
- 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 the process of maintaining and upgrading 8410 ICP direct reading spectrometer, maintaining and adjusting of -145 V switching power supply of ICP high frequency generator are often required. 摘要在维修和改造8410型电感耦合等离子体直读光谱仪过程中，经常需要对ICP高频发生器中的开关电源进行维修和调整。
- 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。
- A kind of cost-effective and high performance inverter for portable immediate frequency generator was develoed combining the dual phase-shifted SPWM control strategy with digital SPWM modulator. 将二重移相SPWM控制策略与数字式SPWM调制器相结合,研制了一种适用于便携式中频发电机的低成本、高性能逆变器。
- 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。
