場變阻器 的英文怎麼說

中文拼音 [chǎngbiàn]
場變阻器 英文
field rheostat
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過分析發現電磁線圈內由於轉子渦動時化的磁而產生的波動電流與轉子位移間的相位差是產生尼的主要原因,推導了波動電流、尼系數的計算公式,並通過實驗展示了被動式電磁尼效應。
  2. The rheological equations, derived from n - s equation in hydromechanics employing the newton fluid model and the bingham plastic model, demonstrate that damping force can be controlled by changing the magnetic field in the gaps. 4

    學方程表明:改尼通道的磁強度可以控制磁流尼力,從理論上分析了磁路參數和尼通道的結構參數對磁流尼力的影響。
  3. As there is lost motion in every kind of machinery, so there is lost motion in the grain market due to momentum, which drives an option slightly above or below a resistance level

    每種機都有空轉的情況,因此穀物市當然也由於其運行在一個力水平上下很小的范圍內的動力而成空轉。
  4. Automatic field rheostat

    自動磁場變阻器
  5. Accelerometer is used widely for measuring acceleration in civil and military field. at present, there are several type of accelerometers such as piezoelectricity electric charge accelerometer, ic piezoelectricity electric accelerometer, compressive resistance accelerometer and alteration capacitance accelerometer. the main part in alteration capacitance accelerometer is capacitance measurement circuit. foreign countries have produced accelerometer that have tiny volume and high performance. however, our country is not able to produce such accelerometer due to the lack of technique

    加速度計作為一種測量加速度的儀,在民用、軍用領域都有廣泛的應用。目前市上的加速度計主要有壓電式電荷加速度計、集成電路式壓電加速度計、壓式加速度計、電容式加速度計等幾種類型的加速度計。電容式加速度計的設計中一個重要的環節就是電容檢測電路的設計。
  6. The reason to cause this phenomenon is due to the change of electric field in the blue oled to induce the probality of the carrier shifted and the hole - electron recombination zone changed, which was a possible alternative to achieve color display. 3 ) device with the structure of ito / npb / adn : balq3 / alq3 / mg : ag was fabricated. when the balq3 dopant concentration was about 25 mol %, a high performance devcie with luminous efficiency of 1. 0 lm / w, the peak of emission spectrum at 440 nm, the cie coordinate at ( 0. 18, 0. 15 ), and half lifetime of unencapsulated device about 950 hrs was achieved

    導致本現象的原因是由於各有機層電強度的化影響了空穴和電子的隧穿幾率,從而導致載流子的復合區域發生改而發出不同顏色的光; 3 )制備了結構為ito / npb / adn : balq3 / alq3 / mg : ag的藍光oled ,空穴擋材料balq3的摻入顯著影響了oled的光電性能,當balq3的摻雜濃度為25mol %時, oled的發光效率為1 . 0lm / w ,發光光譜的峰值為440nm ,色純度為( 0 . 18 , 0 . 15 ) ,未封裝件的半衰期達到了950小時; 4 )在藍光材料adn中摻雜npb 、 balq3和tbp三種材料時,不僅改善了件的發光亮度和色純度,而且提高了件的發光效率和壽命。
  7. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現加裝進氣箱和由於安裝造成的導流葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在轉速、導流開度和管網力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。
  8. According to the direction and damping characteristic of the torque produced by the magnetorquers, the three axis attitude control schemes of gravity gradient satellite and other satellite with damper is presented. the control coefficients are determined by the dynamic characteristics of geomagnetic intensity, so the attitude control precision is improved

    根據磁力矩在地磁中的定向尼特性,提出了磁控重力梯度衛星和攜帶的非重力梯度姿態控制規律,根據地磁強度化規律選擇控制系數,提高衛星的姿態控制精度。
  9. 3. we do short circuit analysis upon multiple magnetic circuit transformers by use of steady non - linear analysis and get the leakage reactance respectively between high voltage and high voltage 、 high voltage and low voltage 、 two high voltage and low voltage 、 low voltage and high voltage and low voltage and two high voltage. what ’ s more, we do finite element analysis upon the temperature field of transformers and according to its distribution we get the wind speed to forced air cooling

    3 、採用穩態非線性分析法對多磁路進行短路抗計算,利用能量法計算出高壓與高壓、高壓與低壓、兩高壓與低壓、低壓與高壓以及低壓與兩高壓之間的漏感;對的溫度進行有限元分析,確定溫度分佈情況。
  10. The resistance products have various types, and are for different lightning arrester, restrictive transformer, capacitor, electric machinery, vacuum switch, transformer neutral point sealed electrical instruments, cable, and railway line overvoltage

    該電片具有多種規格型號,用於組裝不同使用所的避雷,限制、電容、電機、真空開關、中性點、全封閉電、電纜、鐵道線路的過電壓。
  11. On the one hand, according the design principle of torque sensor, this paper researched the non - contact torque sensor, which base on the theory of electric resistance strain and the rotation transformer and could satisfied the request of our project as well as the condition of the producing process. on the other hand, the modulation method of torque signal has been solved before the signal was input to the industry computer, therefore, solved the problem of signal transfers

    其次,研究和研製了扭矩在線測試工作所需要的儀硬體。一方面,根據扭矩傳感的設計原理,研製了滿足課題要求和生產現條件的,基於電理論和電感集流環的非接觸型扭矩傳感;另一方面,制訂了扭矩信號在輸入工業計算機之前的調理方法,解決了信號傳輸問題。
  12. Increases in magnetic field frequency decreases the capability of the dis - type mr fluid damper to reduce rotor vibration

    隨著磁頻率的增大,盤型磁流流體抑制轉子振動的能力減小。
  13. Results show that the magnetic field frequency has significant effect on the dynamic performance of the disk - type mr fluid damper

    結果發現,磁的頻率對盤型磁流流體的動力特性有著顯著的影響。
  14. The dynamic character of the rotor system is the same as that without magnetic field when the magnetic field frequency is over a critical frequency, and the sinusoidal magnetic field cannot control the dynamic performance of the disk type mr fluid damper

    當磁的頻率高於一個臨界頻率后,轉子系統的動力特性與無磁時的動力特性相同,正弦磁不能夠控制磁流流體的動力特性。
  15. In order to understand the effect of alternating magnetic field on the dynamic performance of a disk - type magnetorheological ( mr ) fluid damper based on shear operation, the dynamic character of a flexible rotor supported on the disk - type mr fluid damper was experimentally studied under sinusoidal magnetic field

    摘要為了掌握交對基於剪切方式的盤型磁流( mr )流體動力特性的影響,試驗研究了正弦磁下支承在盤型磁流流體上的柔性轉子系統的動力特性。
  16. 4. this thesis introduces the application of rd - 1005 mrfd in hunan yueyang dongting lake bridge and permanent magnetism adjustable assemblage mrfd in changsha hongshan bridge and changsha liuyang river bridge. the studies on cable vibration mitigation field tests in these bridges are presented

    4 .介紹了湖南嶽陽洞庭湖大橋上安裝磁流的情況,在長沙洪山大橋、長沙瀏陽河大橋全橋拉索上安裝了永磁調節裝配式磁流,並進行了現拉索減振試驗研究。
  17. The conventional connection circuit as the figure shows for two - wired transmitter : handhold terminal palm computer and external communication interface or mainframe communication circuit cannot directly bridges in the ends of power source. but may either meet on field ends a and b or meet on the ends of load resistance b and c. in the above - mentioned case, the circuit are supplied by power source

    對兩線制來說,傳統的連接電路如圖所示:手持終端掌上電腦和外接通訊介面或主機通訊電路不能直接跨接在電源兩端,但既可接于現兩端a , b上,也可接在負載電兩端b , c ,兩種情況下,電路都要通過電源來供電, hart規范允許負載電為2301100 。
  18. Site partial discharge amp; amp; induction voltage endurance test method for yna impedance - matching and balanced - traction transformer

    抗匹配平衡牽引局部放電和感應耐壓試驗方法
  19. Considering that the yielding stress of the mr liquid can be changed continuously by adjusting the magnetic intensity in a certain range, an optimal control theory based semi - active control strategy is proposed and the effectiveness of the mr damper on offshore platform is illustrated by simulation techniques

    考慮到mr的屈服應力可以在一定的范圍內通過改的磁強度連續化,提出了基於最優控制理論的半主動實時控制策略。進行了基於mr的海洋平臺半主動控制技術研究。
  20. In this dissertation the primary principle of transformer ' s dc resistance measurement and all kinds of rapid measuring methods is studied, emulated and analyzed by simulink, their advantage and disadvantage is analyzed and their on - site applicability is compared. then one feasible measuring method is brought forward and the aim to rapidly measure transformer ' s dc resistance is implemented through system design using singlechip. wang liang ( electric power system automatization ) directed by prof

    本論文主要研究了電力直流電測量的基本原理和各種快速測量的方法,用simulink對各種測量方法進行模擬分析,分析了其優缺點及現適用性,進而提出了一種切實可行的測量方法,並且利用單片機進行系統設計實現電力直流電快速測量的目的。
分享友人