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- VFC? Voltage to Frequency Converter? 电压频率变换器?
- Using Frequency Converter to Control Speed of Equipment in the Dedusting System of the Generating Plant 电厂除灰系统设备采用变频器调速
- Using frequency converter gear to realize constant paper tension in emery cloth and sandpaper production line 利用变频调速器对砂布砂纸生产线进行恒张力控制
- This product is used for connecting motor and frequency converter of some other places where higher shielding performance is required. 本产品与变频器连接的电机引线或其它有较高屏蔽要求场合使用。
- Electric wheel spindle is used in M215A highspeed internal grinder,which acquire high frequency electric power supply from static frequency converter. M215A型高速内圆磨床采用电动砂轮主轴,电动砂轮轴从静止变频器获得高周波电源；
- The high pressure frequency converter was currently used to regulate rotating speed and cycle amount of wind in the scorched cycle air-blower system. 现将高压变频器应用于干熄焦循环风机系统中,以调整转速及调节循环风量。
- The static frequency converter used in pumped storage units generally adopts common thyristor as the rectifying inverting bridge. 用于抽水蓄能机组起动的静止变频器,其整流逆变桥通常采用普通晶闸管。
- It has some guidance meanings in coal mine use this technique in the aftertime. 对今后煤矿运用该支护技术提供了指导作用。
- Using Frequency Converting Method Synthetic Seismogram 变频法合成地震记录
- This paper presents how to use VB's communication control to realize long -distance monitor and con-trol of frequency converter,according to USS protocol. 本文介绍了如何利用vb的通讯控件MSComm,根据USS通讯协议,实现上位机对西门子变频器的远程控制。
- The main pump uses frequency conversion control. 主泵采用变频控制。
- MThere are only two families in the world, as a grandmother of mine used to say, the haves and the have-nots. 正如我的一位祖母说过的那样,这个世界上只有两家人:那就是富人和穷人。西班牙小说家塞万提斯。
- Purpose: UHF frequency converter, local oscillator，wide band am plifier. 用途:用于超高频频率转换,负载振荡器,宽频放大。
- The Tonglu Mountain Copper Mine used an elaborate system of timbering to support the working areas. 铜绿山古矿井采用符合力学原理的木框架支护技术，框外用木棍、木板作护壁，组成完整安全的井筒。
- Xieyi Coal Mine used the roof caving technology of cantilever support to realize high effective and safe production,which obtianed good effect. 谢一矿采用悬移支架放顶煤采煤方法,实现了高产高效安全生产,取得了较好的效果。
- Programmable controller, man-machine interface and frequency converter are of Japanese "Mitsubishi" brand. 可编程控制器、人机界面、变频器采用进口产品。
- Two type newly developed rotary valves for mine use are introduced.They are characterised by single or double cylinder valve cores which form a flow passage of U or O shape. 介绍了两种新研制的矿用旋转阀，两阀的特点是阀芯为单柱或双柱体，构成U或O形的过流通道，在全启至闭的整个调节范围内，通道形状保持不变而面积为线性变化。
- The testing system was mainly composed of PLC, MMI, frequency converter, approach switch and acceleration transducer. 并通过plc、MI、频器、近开关、速度传感器等组成的控制系统完成了对零部件的振动试验。
- And the explanation of the difference in forms and use frequency can be found in their respective functions. 这些形式的使用频率有着较大差异,形式上和使用频率上的差异可以在它们各自的功能中找到解释。
- Bear the function of spare unit but consume you less investment when compared with frequency converter. 相比变频,多了备用机的功能,投资反而更少了。
