電壓制 的英文怎麼說
中文拼音 [diànyāzhì]
電壓制
英文
voltage system-
A svpwm control algorism for three - level inverter and its simulation
三電平逆變器空間電壓矢量控制演算法模擬研究In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis
論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量，導出了超高壓長線的波阻抗和傳播常數的數學解析式，在此基礎上進行了500kv輸電線路實時參數計算；提出以三繞組自耦變壓器的電流、電壓、功率為輸入量，導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算；在此基礎上編制了相應的軟體。Our company relay on abundant technique, advanced produce appliance and modern managerment mode, our products have good quality and function. the company has been iso9001 : 2000 quality system sgrant can b015 - q : 15 03q5439r10, has international facture calculate appliance s lisense cmc zhejiang province 02810232. the company alse strictly produce, sale and service according to the quality system. main products : almighty putin intelligent temperature control meter xmt - 808, can put through the computer and has the appearance, program intelligent industries adjustment meter, record meter, a series of temperature and humidity controller xmt - 9007, voltage adjustment instruments zk - 1, zk - 3, all kings of temperature sensors, time relays, lcd and so on. wide make use of the plastics, packing, printing, house electric appliance and some other machine field. also include the textile printing, chemical engineering sprint, dyeing, baccy, even, air conditioner, make cold and etc. field. has variety of products, all standards and directly sales to internal and international market
主要產品有萬能輸入型智能溫度控制儀表xmt808 ，具有計算機通訊介面及界面可編程智能工業控制儀記錄儀，溫濕度控制儀表xmt9007整套，電壓調整器zk - 1 zk - 3 ，各類溫度傳感器，時間繼電器，液晶顯示儀表等產品品種多，規格全，真接銷往國內及國際市場，廣泛應用於塑料包裝食品印刷家電等機械行業和輕紡化工印染煙草烘箱空調製冷等領域。Main products : almighty put in intelligent temperature control meter xmt - 808, can put through the computer and has the appearance, programintelligent industries adjustment meter, record meter, a series of temperature and humidity controller xmt - 9007, voltage adjustment instruments zk - 1, zk - 3, all kings of temperature sensors, time relays, lcd and so on. wide make use of the plastics, packing, printing, house electric appliance and some other machine field. also include the textile printing, chemical engineering sprint, dyeing, baccy, oven, air conditioner, make cold and etc. field
主要產品有萬能輸入型智能溫度控制儀表xmt808 ，具有計算機通訊介面及界面可編程智能工業控制儀記錄儀，溫濕度控制儀表xmt9007整套，電壓調整器zk - 1 zk - 3 ，各類溫度傳感器，時間繼電器，液晶顯示儀表等產品品種多，規格全，真接銷往國內及國際市場，廣泛應用於塑料包裝食品印刷家電等機械行業和輕紡化工印染煙草烘箱空調製冷等領域。The thesis is devoted to exploiting a permanent magnet synchronous machine ( pmsm ) for the parallel hybrid electric vehicle ( phev ). three parts are included as follows : at first, in the electromotor state, the current control strategies of pmsm are determined. giving the elementary method for solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state
本課題的研究工作主要圍繞開發一臺並聯式混合動力電動汽車（ phev ）用永磁同步電機（ pmsm ）展開，所作的工作主要包括以下幾個部分：首先，確立了phev用pmsm電動機運行狀態時的電流控制策略，針對pmsm在電動機運行狀態時提高弱磁擴速能力和在發電機運行狀態時減小固有電壓調整率的相互矛盾，提出了初步的解決方法。There are two innovated points in this paper. the first is that we abandoned mechanical apparatus in deflexion, and this is good for signal ’ s disposal. the second is that we adopted nlc facility and this will largely lighten apt systerm ’ s size, weight and power consumption
本論文的創新主要在於兩個方面: （ 1 ）摒棄了機械式的偏轉控制，便於其後的信號處理。且該器件驅動電壓低（約3伏） ，功耗小（毫瓦級/平方厘米） 。Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type
液晶器件幾乎滿足空間光通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可編程性、光學接收孔徑、光束掃描和偏轉范圍等等。液晶光開關、光偏轉器、光掃描器已經開始應用於光纖通信的實驗系統中。液晶類器件應用於光通信的唯一重大缺陷，是其響應速度目前只能達到微秒級或亞微秒級，不過，在不涉及到碼型碼率的空間光束捕獲、掃描、偏轉、控制方面，液晶器件完全可能進入實用化。A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later
每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲，由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成，前級採用電壓型pwm前饋控制技術，后級採用三態dpm電流滯環控制技術。Effect of acsr on suppressing power frequency overvoltage of ehv transmission system
對限制超高壓輸電系統工頻過電壓的影響Effect of svc on restricting the temporary overvoltage of ehv transmission system
良導體地線限制超高壓輸電系統工頻過電壓的作用The system introduces the preventive control that executes the emendation before the voltage violations, and it can increase the voltage security margin
另外系統還引入預防控制，在電壓未越限時提前進行校正，提高了電壓的穩定裕度。Organic electroluminescent devices ( oleds ) have aroused many scientists " interests because of their potential adventages in low - power, emissive, flexible, cost - competitive, flat panel displays. red, green and blue light - emitting devices are readily avaible
有機薄膜電致發光器件具有驅動電壓低、發光效率高、制備容易、可製成大面積的平板顯示器以及顏色豐富等特點，已引起各國科學工作者的廣泛關注。Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
本文分析了國內外水電站自動控制裝置的研究和發展狀況，尤其是國內小型水電站的自動化現狀，針對現有電力部門的需求，設計並實現了一種單元式的微機自動監控裝置，該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能，還對水輪發電機組進行了調控，通過與上位機處理程序的配合，可以實現水電站的自動發電控制、機組順序啟停；在測量發電機組機端電壓和電流參數的時候，採用32點離散傅立葉演算法（ dft ） ，增加了測量的準確性和可靠性；通過通訊可以實現裝置的聯網運行，做到「分散控制、集中管理」 。Apply computer chip to control the circuit ; omron opto - elecrtonic control - ler and panasonic and mitsubishi inverter have stable performance, high precision, rapid reaction and long life - span ; the controlling plate applies tactile operation board which is handled easily ; vertical structural screen is easy to adjust the vertical printing pressure so as to ensure the quality of printing ; the frame lift is driven by electrical motor and installed with imported linear guide rails, of which the speed - adjust device, scraper and scraping blade can be adjusted within15 to 45 and can be set for many times so as to repeatedly printing with good precision and output, the flat bed is made of 2mm stain - less steel plates which are flat, smooth and indeformable ; it is also equiped with micromatic setting device in order to ensure the precision of multi - color overprint and auto air - intake device to ensure strong adsorption
採用電腦板控制電路，歐姆龍光電控制器，松下，三菱變頻器，行直穩定.精度高，反應快，壽命長，控制面板採用觸摸式操作面板，操作方便，六式結構型網版垂直升降印刷壓力可調保證印刷質量，機架升降採用電機驅動安裝進口直線導軌，刮刀、回墨刀可在15一45角調整，可設置多次，重復印刷保證產品精度.平臺板採用2毫米不銹鋼板製作，平整光滑不變形配有微調裝置，確保多色套印精度，配自動吸氣裝置，確保強有力的吸附。In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中，作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory
以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量，以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出，用直接反饋線性化方法設計了系統的非線性控制器。Voltage limitative range
電壓限制范圍What are the limiting factors on voltage
電壓的限制的因素是什麼呢？Research of piezoelectric control techno logy for active vibration control of fl exible beam
柔性梁振動主動控制的壓電控制技術研究We simulated and adjusted the energy and dose of implant impurity by the aid of silvaco software so as to confine the vt value in a reasonable range and finally we got eligible device samples
最後，我們基於silvaco軟體模擬並調節了雜質注入的能量和劑量，並結合實驗結果調整了pmos管和nmos管的閾值電壓，制備出了合格的bmhmt工作模式的soi異質結mosfet單管。分享友人