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- VFC? Voltage to Frequency Converter? 電壓頻率變換器?
- Purpose: UHF frequency converter, local oscillator，wide band am plifier. 用途:用于超高頻頻率轉換,負載振蕩器,寬頻放大。
- Programmable controller, man-machine interface and frequency converter are of Japanese "Mitsubishi" brand. 可編程控制器、人機界面、變頻器采用進(jìn)口產(chǎn)品。
- The testing system was mainly composed of PLC, MMI, frequency converter, approach switch and acceleration transducer. 并通過(guò)plc、MI、頻器、近開(kāi)關(guān)、速度傳感器等組成的控制系統完成了對零部件的振動(dòng)試驗。
- Bear the function of spare unit but consume you less investment when compared with frequency converter. 相比變頻,多了備用機的功能,投資反而更少了。
- Cost you less than frequency converter but save you more energy in a certain range. 比變頻的投資更少,在部分范圍更節能。
- The switchgear cabinets for this crane series feature frequency converter technology. 此系列起重機的開(kāi)關(guān)箱采用變頻器技術(shù)。
- This paper describes a Static Phase Advancer using thyristor AC-AC frequency converter which is designed for asynchronous induction motor. 介紹了一種由可控硅構成的交交變頻器為主要結構的異步電動(dòng)機靜止進(jìn)相器。
- The New Techniques Development of High Voltage High Power Frequency Converter of ABB Co. ABB高壓大功率變頻器的最新技術(shù)發(fā)展
- Adopt multi-function digital-indication frequency converter, and stepless variable speed. 采用多功能數顯變頻器，無(wú)級變速；
- Man-machine interface, programmable controller, tem-controller and frequency converter are of import brand. 人機界面、可編程控制器、溫控模塊、變頻器采用進(jìn)口產(chǎn)品。
- Atomic physics of quantum frequency standards 量子頻標中的原子物理
- This new crane has the new FR. Tronic, with continuous speed control of the various motors using a static frequency converter, as standard equipment. 此新型起重機配備新型FR.;tronic;作為標準配置;安裝有一個(gè)使用靜止變頻器的馬達轉速連續控制器。
- quantum frequency standard Device 量子頻率標準器件
- This product is used for connecting motor and frequency converter of some other places where higher shielding performance is required. 本產(chǎn)品與變頻器連接的電機引線(xiàn)或其它有較高屏蔽要求場(chǎng)合使用。
- Abstract: The method to realize rise and fall o f elevator and control of the door switch by a frequency converter was introduc ed. 文摘:介紹了電梯改造中用一臺變頻器實(shí)現電梯升降及門(mén)開(kāi)關(guān)控制的方法，以及電梯調試的一點(diǎn)體會(huì ).
- Analysis is done for the mechanism of frequency converter technology and the formula of investment recovery period is derived. 筆者試對變頻技術(shù)應用的原理進(jìn)行分析,并推導出了變頻器投資回收期的公式。
- Electric wheel spindle is used in M215A highspeed internal grinder,which acquire high frequency electric power supply from static frequency converter. M215A型高速內圓磨床采用電動(dòng)砂輪主軸,電動(dòng)砂輪軸從靜止變頻器獲得高周波電源；
- The high pressure frequency converter was currently used to regulate rotating speed and cycle amount of wind in the scorched cycle air-blower system. 現將高壓變頻器應用于干熄焦循環(huán)風(fēng)機系統中,以調整轉速及調節循環(huán)風(fēng)量。
- The static frequency converter used in pumped storage units generally adopts common thyristor as the rectifying inverting bridge. 用于抽水蓄能機組起動(dòng)的靜止變頻器,其整流逆變橋通常采用普通晶閘管。
