泵負載 的英文怎麼說

中文拼音 [bèngzǎi]
泵負載 英文
pumload
  • : 名詞(吸入和排出流體的機械) pump
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 負載 : [電學] load
  1. The paper mainly consider the followings : the performance parameter determination of cryopump, heat load determination and heat transfer of large cryopanel, reasonable distribution of heat load, the condition for construct steady flow in small vertical circle pipeline, balance condition for gas and liquid two - phase flow in the connection pipe between cryopanel and dewar, the safety of cryopump

    文中探討了低溫性能參數的確定;大抽速低溫抽氣面的熱的確定及合理分配;冷凝面上豎直圓管內受熱建立穩定流動的條件;冷凝面與杜瓦間的連接管道內氣液「雙相流動」的平衡條件;低溫系統運行的安全問題。
  2. In this study, the load charateristics of submergible centrifugal pump and the influence of various regulating methods on energy dissipation are analyzed. the loading capacity of the submergible motor in variable speed drive control process is analyzed. the papers simple discribe the basic structure of the variable speed drive system in electric submergible pump > principle of pwm inverter and the basic structure of igbt

    在研究中,對潛油離心泵負載性能以及閘閥調節和調速調節對能耗的影響進行了分析;對潛油電動機在變頻調速的進行了分析;對潛油電變頻調速系統的基本結構、 pwm逆變器原理以及igbt的基本結構進行了簡單介紹。
  3. The sources of these internal transients are everyday items, such as air compressors, arc welders, pumps, elevators, switching power supplies and other inductive loads

    這些內部電涌的根源是每天都會使用的設備,如空氣壓縮機,電弧焊接機,,電梯,開關電源和其他的感應
  4. Mjc : the sources of these internal transients are everyday items, such as air compressors, arc welders, pumps, elevators, switching power supplies and other inductive loads

    這些內部電涌的根源是每天都會使用的設備,如空氣壓縮機,電弧焊接機,,電梯,開關電源和其他的感應
  5. Single or three phase at nominal low voltage are required to be inspected, tested and certified at least once every five years. examples of such installations are power supply to lifts, water pumps, public lightings and other communal services in the common area of domestic premises and fixed installations in offices etc. having total loading exceeding 100 amperes, single or three phase

    (單相或三相)時,該裝置須每5年最少作一次檢查、測試及領取證明書。這類裝置包括住宅樓宇內升降機、水、公共照明及其他公用設施的供電裝置,辦公室內的固定裝置等,其總量超逾100安培(單相或三相) 。
  6. Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system

    首先在流變學原理的基礎上,深入分析混凝土在輸送管道內的流動狀態,得出混凝土特性方程;然後根據功率鍵合圖的建模方法,建立送迴路和分配迴路的數學模型,並運用模擬軟體matlab simulink對送和分配迴路模型進行了模擬,分析了在不同的輸入流量(送頻率)和換向時間下,活塞桿的位移和系統的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的響應時間(固定值)與活塞桿的運動時間(變化值)不相匹配) ,並提出了相應的改進方法。
  7. The key items include the car sinking, constant speed characteristics, inspection function, auto relevelling function and level accuracy, etc. the research contents focus on the following three parts : firstly, research on effects of system parameters on car sinking has been completed. secondly, the constant speed performance with the compensation of internal leakage of pump / motor is improved. lastly, research on improvement of the car level accuracy and contrast to that of traction elevators is presented, and the reasons of low car level accuracy of hydraulic elevators are discussed

    重點研究了三方面內容:一是研究了停層沉降特性及影響電梯轎廂停層沉降特性的各種因素;其次是通過壓力補償液壓馬達內泄漏來改善電梯轎廂速度穩定性;最後是液壓電梯平層精度的理論和實驗研究,並與曳引電梯的理論模型進行了對比,闡述了液壓電梯平層精度低的原因,理論探討了影響液壓電梯平層精度的主要因素。
  8. Note : on pump discharge, the preferred check valves are an in - line spring loaded, swing design with lever and weight or lever and spring

    注意:在的排泄口處,首選的止回閥是管內彈簧,旋啟式,配置杠桿和重量或杠桿和彈簧。
  9. The ic modulation circuits and microprocessor are used in the control unit. on the side of input of inverter, the maximum power point tracking of solar module is well realized by using a kind of thought of self - optimizing control ; on the side of output of the inverter, a kind of approximate optimum v / f control strategy is used in order to optimize the match between the output of the inverter and load of motor - pump

    在逆變器輸入側,採用自尋優控制思想實現太陽能電池最大功率點跟蹤( mppt ) ;在輸出側,採用了v / f近似優化的控制策略,以優化逆變器輸出與機泵負載之間的匹配。
  10. The efficiency is very high, especially under low load condition, because the output voltage is regulated by skipping clock cycles as necessary

    該電荷採用跳周期( skipcycles )控制模式,具有在輕情況下效率高的顯著優點。
  11. Dynamic characteristics of a7v225 braking variable pump, accumulators storage and outlet property, braking and auxiliary driving property of hydraulic systenu load ' s simulation of auxiliary driving and so on have been analyzed in the article. hydraulic storage braking and auxiliary soft starting of down belt conveyor have been simulated in laboratory, at the same time, have testified that this energy saving hydraulic system is available

    通過實驗,並應用了小波分析去噪等數據處理手段,文中對a7v225剎車變量的動態特性、蓄能器的儲能和放能特性、液壓系統的制動和輔助驅動特性及輔助驅動時的模擬等,分別進行了分析。
  12. Therefore, a four - phase charge pump circuit is invented to surmount this problem, but the current loading capability of this circuit is unfavorable and the driving clocks must have four - phase non - overlapped " signals

    針對這個問題,四相位的電荷電路由此產生,但是這個電路的電流能力不太好並且它的驅動時鐘信號必須是四相位且不重疊。
  13. Bearings shall be specifically selected to carry all radial and axial loads imposed by the pump and motor

    這些軸承都是經過特別挑選,能夠承擔由和電機產生的徑向和軸向
  14. Zhang yanting , li zengliang , wang hanxiang. optimum design for operation system of surface - driven progressing cavity pump well j. oil field equipment , 2000 , 29 ( 1 ) : 24 - 26

    陳濤平,王春艷,孫兆海,等.地面驅動螺桿抽油桿柱扭矩的計算j
  15. Soft starters decline only the electric voltage and do not decline the frequency, and make the starting torque turn small, therefore the soft starters be applicable only to the induction motors which drive the low starting torque machine such as blower fan and pump. this paper designed a soft starter adopting the discrete frequency method to start induction motors. it declines not only the electric voltage, but also makes the frequency lower at the same time, so starting torque turns more

    由於軟起動器只降壓不降頻,電機的起動轉矩較小,所以傳統軟起動器只適用於風機、水類低起動轉矩的。本文設計並研製了一種採用分級變頻方法的新型軟起動控制器,在降壓的同時實現有級變頻,從而提高了異步電動機的起動轉矩。
  16. ( 1 ) the dissertation theoretically analyses software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter. the motor speed loss formula and compensating coefficient formula are given, and this provides the theoretic foundation for using software direct compensating method. the dissertation puts forward the control scheme of software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter, and the method of " load sectionalization linear compensation "

    具體來說,本文的主要貢獻包括如下幾個部分: ( 1 )對軟體直接補償開環變頻控馬達調速系統的馬達轉速降落進行了理論分析,給出了馬達轉速降落公式和補償系數公式,為軟體直接補償開環變頻控馬達調速系統的馬達轉速降落提供了理論依據;提出了變頻控馬達調速系統的補償控制方法和「分段線性補償」方法,由此提高了調速系統的速度剛性和調速精度。
  17. This article introduces the economizing potential in the pump class and air blower load energy, the economizing principle of using the frequency changer, and explaines the economizing situations with examples to promot the economizing technology and the industry advancement

    摘要文章介紹了類及風機中的節能潛力,闡述了使用變頻器進行節能的原理,並用實例對節能情況進行了分析,旨在推廣節能技術。
  18. In this paper, firstly we analyse the distribution of the magnetic field in the permanent magnet canned motor pump which rate power is 15kw, and calculate the reactive electromotive force, armature reactance parameters of this motor pump with no loads and loads

    本論文運用有限元方法分析了一臺15kw稀土永磁同步屏蔽電內部磁場的分佈情況,得到了在空等不同情況下,電的氣隙磁密分佈磁場,計算了反電動勢和電樞反應電抗等參數。
  19. According to the characteristics of the piston pump when it works with the diesel engine, the different outer load leads to different rotational speed and mechanics characteristics of the piston. in order to learn the property of the movement and mechanics of the piston but not experimentalize, simulink which is the simulation toolbox of matlab ( the most popular large - scale mathematic software ) is carried out to simulate the process of the movement and the receiving force of the piston

    根據發動機和全功率軸向柱塞的工作特性,柱塞在受到的外不同時,柱塞的轉速和受力情況就不一樣,為了能在不做實驗的情況下就能了解柱塞的運動特性和受力特點,利用現在最為流行的大型數學軟體matlab的模擬工具箱simulink對其進行了運動和受力的模擬分析。
  20. The theoretical analysis of large cryocondensation pump for nbi was mainly concerned. this paper emphasized on analyzing and calculating the heat load of cryocondensation pump, simulating thermal transmission coefficient and molecule transmission coefficient of radiation baffle according to monte carlo method, analyzing the process on cryo - surface and the factor of affecting pumping speed and hydrogen layer thickness of influencing cryo - parameter, etc. finally by verifying the pumping speed on large cryocondensation pump for neutral beam injection system, the pumping speed of 4. 0x105l / s ( for h2 ) was proven to be reasonable

    本文首先介紹了中性束注入系統的國內外發展狀況,闡述了中科院等離子體所ht - 7中性束注入系統的構成,主要對用於中性束注入系統的大型低溫冷凝的特性進行了理論分析;對冷凝抽氣面的熱進行了分析計算;用蒙特卡羅法對輻射擋板的分子傳輸幾率與熱傳輸幾率進行了模擬計算;研究了低溫表面的處理方法對抽速的影響以及氫層厚度對各低溫參數的影響;最後對用於中性束注入系統的大型低溫冷凝的抽速進行了驗證,得出的結論是:選取40萬升秒的抽速是合理的。
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