speed variable 中文意思是什麼

speed variable 解釋
變速
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. Size of variable - speed - changers wide v - belts for industry

    工業用變速寬v帶尺寸
  2. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷，利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法，提出了在液壓系統中加一個定差減壓閥的新思路，較好地解決了液壓伺服系統存在的上述問題。
  3. The examinatorial specification of variable speed fluid couplings for coal mining

    煤礦用調速型液力偶合器檢驗規范
  4. A volume speed controlling system is selected on the fluid drive system of sugarcane mill, which consists of cam type axial piston variable pump and ram marathon fixed motor. an individual hydraulic system is adopted by the up - axis of the mill

    甘蔗壓榨機液壓驅動系統採用斜盤式軸向柱塞變量泵與橫梁傳力內曲線馬拉松式定量液壓馬達組成容積調速閉式系統。
  5. Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through " variable cross - section " of metal bar embeded layer was put forward

    摘要運用波動的經典理論，提出了導波在金屬桿嵌入層「變截面」傳播時波速改變的「等效彈性模量」的概念。
  6. Shf communication technologies ag deals among other things in test equipments, variable - speed propulsions as well as in amplifiers, wide band, top hat rails and also in connectors

    Shf communication technologies ag是一家可靠的、知名的生產商和服務商，該公司提供很多令人震驚的產品，例如試驗器材，調整傳動裝置。
  7. Modern control theory has arisen with the advent of high - speed digital computers and characterized by the state variable concept with emphasis on matrix algebra and with analysis and design principally in the time domain

    現代控制理論是隨著高速數字計算機的出現而產生的，主要特點是使用狀態變量的概念並強調矩陣代數和主要在時間域進行分析和設計。
  8. This thesis introduces the base theory and correlative information of variable frequency speed variation, and expatiates sinusoidal pulse width modulation ( spwm ). the principle of svpwm is in - depth discussed, and a simple algorithm for svpwm is ratiocinated

    本文介紹了交流變頻調速的發展概況，分析了其基本原理，闡述了正弦脈寬調制（ spwm ）原理，對svpwm理論進行了研究，給出了svpwm的簡單實現演算法。
  9. Using real skis, ski boots, ski bindings, ski poles, and snowboards and with its variable - speed silicone - coated ultra -

    滑雪機設有速度調節，可按著不同需要調教，適合不同年及技術水平人士使用，甚至初學者。
  10. Automatic essence injection for steam baths. dose pump with variable speed

    蒸汽浴自動噴灑系統-可調節每注噴灑的速度
  11. The papers study the technology of variable speed drive in electric submergible pump

    本文主要論述了潛油電泵系統變頻調速的應用技術。
  12. From those studies, we may know the variable speed drive in electric submergible pump is feasible and may run reliably

    根據以上的研究可知，潛油電泵系統採用變頻調速是可行的，並且能可靠地運行。
  13. This papers mainly study the influence of variable speed drive to the electric submergible pump system, for instance, long motor leads effect and common - mode voltage

    本文主要是分析了變頻器對潛油電泵系統的影響，特別是長線傳輸問題及共模電壓問題。
  14. 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負載進行了分析；對潛油電泵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。
  15. A synchronous motor can be used to drive a fan through a variable-speed magnetic coupling.

    一個同步電動機能夠通過變速磁性聯軸帶動風扇。
  16. Experiment and research of the friction plates on the hydro viscus variable - speed clutch

    液粘調速離合器摩擦片的測試和研究
  17. The speed of the windscreen wipers is variable

    汽車擋風玻璃上刮水器的速度是可變的。
  18. A great variety of products with alarm export function and speed variable fan

    產品種類廣泛，還備有警示輸出功能alarm及可變速風扇等多功能風扇。
  19. Study on speed - variable mixing in internal mixer

    密煉機變速混煉工藝研究
  20. It is indicated that, when a two - speed motor is used for driving oil transfer pump, the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance, and its speed control range is restricted by the pipeline resistance characteristic curve, the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel, the pump with better performance should be changed into speed - variable pump

    指出雙速電動機用於輸油泵的調速時，應選用轉矩按轉速平方降低特性的電動機；調速泵的運行經濟性受到管路阻力特性曲線的限制，其調速范圍受到管路阻力特性曲線、系統所需揚程和泵運行特性的限制；在母管制系統中把部分定速泵改為調速泵時，應將性能較高的定速泵改為調速泵。
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