脈動器 的英文怎麼說

中文拼音 [màidòng]
脈動器 英文
[農業] pulsator脈動器真空管路 pulsator line
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 脈動 : [物理學] [天文學] pulsation; pulsing; pulse; ripple; impulsive motion; pulsating; panting; loping...
  1. The pulsations in the rectified current can be reduced by using a capacitor.

    經過整流的電流的,能夠利用一個電容使其減小。
  2. After reviewing the history and recent developments of the research on thermoacoustics, and introducing the classical thermoacoustic theory, we carry out the following investigations : 1 ) thermoacoustically driven pulse tube refrigerator ( tadptr ) experiments have been done on the self - built pulse tube refrigerator driven by standing wave thermoacoustic prime mover system

    本文首先回顧了熱聲機械的歷史及現狀,詳細介紹了熱聲學理論基礎,重點研究了以下若干問題: 1駐波型熱聲驅管製冷機在自行搭建的駐波型熱聲驅管製冷機實驗裝置上進行了實驗研究。
  3. Some simulations with deltae has also been made to predict the performance of the system. at the end of this section, proposals and schemes are also given for the further experiments. 4 ) thermoacoustically driven puke tube refrigerator ( tadptr ) with the successful operation of the standing wave thermoacoustic prime mover, we transferred part of our efforts to the thermoacoustically driven pulse tube refrigeration, which is actually the original aim for our study on the thermoacoustic prime mover

    熱聲驅管製冷機在成功研製熱聲驅的基礎上,對其與管製冷機(一種在低溫端沒有運部件的新型的低浙江大學博士學位論文金滔:熱聲驅及其驅管製冷研究2001年5月溫製冷機)的聯接進行了匹配分析,並搭建了熱聲驅管製冷機的實驗臺,進行了系統的實驗研究。
  4. 3000 hours. lower voltage high capacitance cdf farad - grade aluminum electrolytic capacitor. well suited for use in super car audio systems, industrid robots, telecommunication equipmemt of dc or pulse circuits

    3000小時,低電壓高電容量法拉級cdf ,廣泛用於精密汽車聲頻系統、工業機人,電信設備的直流電或電路中。
  5. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速,減少了逆變輸出電流的諧波,降低了轉矩,提高了電壓的利用率。
  6. Its products comprise various types of electrostatic precipitator 、 long bag low pressure pulse 、 positive ( negative ) pressure reverse flow 、 rhombus bag filter ( explosion proofing and ordinary type ) 、 pulsant rotary reverse flow flat bag filter 、 gas - box pulse bag filter ; flue gas desulfurization 、 waste water treatment facility and different nonstandard equipment

    主要產品有各種型號的靜電除塵(管極式及極板式) 、長袋低壓沖袋式除塵、正(負)壓反吹大布袋除塵、菱形袋式除塵(防爆型及普通型) 、反吹扁袋回轉式除塵、氣箱沖除塵等收塵設備;煙氣脫硫設備、水處理設備及各種規格的非標設備。
  7. Pulsating spray drying technique makes use of the unstable hot gas stream generated by a pulse combustor to atomi / e and dry a liquid material

    燃燒乾燥技術是近年來出現的一種新型乾燥技術,它利用燃燒產生的高溫,高頻尾氣流直接霧化和乾燥液態物料。
  8. On the radiation range of l - 4gw / cm2, the effects of the modulation in intensity, beam aperture, pulse width and intensity of 3 w on tsrs in frequency convector crystals have been analyzed in detail. the interrelated thresholds have been gained by calculating and theoretical evidences have been offered to prevent tsrs from damaging frequency conversion crystals, which will be applied to the engineering design of the laser drivers on high - fluence

    光的強度調制、光束口徑、寬和強度等因素對諧波轉換晶體中tsrs的影響,並計算得出了一些相關闡值,得到了驅工作的臨界狀態,為防止出現tsrs的光損傷提供了理論依據,對高功率激光驅的工程設計具有實用價值。
  9. Torque ripple reduction in brushless dc motor drives using a buck converter

    變換的無刷直流電機轉矩抑制方法
  10. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統態及穩態運行的模擬計算程序分別計算系統的態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,說明實驗和理論較為一致,並從系統效率、轉矩及兩相逆變電容的影響等方面與各種逆變和單相異步電機組成的變頻調速系統加以比較。在此基礎上,對兩相逆變供電-異步電機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。
  11. The study shows that the output pulse value of resistance absorption equipment is related to the chopper switch conduction ration and the selection of lagging angle

    研究表明,地面電阻吸收裝置的輸出電流與斬波的導通比、各支路斬波的開關滯后角有關。
  12. Analysis on commutation torque ripples of a pmbdc motor based on c - dump converter

    變換供電的無刷直流電機換相轉矩的分析
  13. The interface utilizes the high - speed pu lse function of plc basic unit to realize the control frequency of pulse, pwm regulate voltage and to make use of drivers of step motor control step motor

    利用plc主機模塊的高速沖輸出功能,控制沖頻率的發生、 pwm寬電壓的調節,並通過步進電機驅實現對步進電機高效控制。
  14. Ppfc working principle, circular current and effects of clamping capacitor are studied in this paper in detail. because of the clamping capacitor, ppfc have some good features compared with ppc : reducing the fluctuate of the input current ; restraining the voltage spike of the power mosfet ; avoiding the bias - magnetic of the transformer

    由於箝位電容的加入,相對于推挽電路而言,該拓撲具備了一些獨特的優點:減小了輸入電流的:削弱了開關管的關斷電壓尖峰;有效抑制了變壓的偏磁。
  15. What is mainly discussed in this dissertation is as follows : the fault mechanism and vibration frequency feature of hydroelectric vibration are analyzed, induced and reorganized. the select and placement of detecting positions of parameters such as vibration, swing and pressure pulsation are researched, and the corresponding sensors are selected to monitor

    本文主要進行了以下工作:分析、歸納和整理了水電機組振的故障機理和振頻率特徵,對機組的振、擺度和壓力測點進行了選擇和布置,並選用相應傳感進行監測。
  16. Additional devices on watthour meters ; ripple control receiver

    瓦時計的附加件.第2部分:控制接收機
  17. The correlative items of dc filters are researched on the basis of gezhouba - shanghai hvdc transmission project. in the analysis the three - pulse model is used to simulate converter, which takes into account the impact of the stray capacitance. the harmonics distribution on dc lines is simulated accurately, especially the harmonic ignored in old models

    本文以葛上直流輸電工程為基礎,研究直流濾波設計中的相關問題,採用考慮了雜散電容的三模型來建立換流站模型,更為準確地模擬出直流輸電線路上的諧波分佈情況,尤其是模擬出舊模型中忽略的次(為自然數)諧波,為直流濾波的設計提供了更精確的數據和判斷依據。
  18. Hydrodynamic pressure is measured with pressure sensors

    水壓力用壓力傳感進行測量。
  19. Modified formula for sensorless dc motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4 - pole dc motor

    摘要根據4極直流電機的轉速與電流頻率關系的實驗結果,對現有的無傳感直流電機測速公式提出了修正意見。
  20. C. add - in accumulator, reduces ripple controlling of hydraulic pressure system for even stable

    增加蓄能,減少液壓系統的性,使整個系統更為穩定。
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