two-speed pump 中文意思是什麼
two-speed pump
解釋
兩級泵-
This text summarises several control forms of gushing out oil pump test platform simply, and mainly proposes analog and digital control schemes of close ring adjusting speed, at the same time, gives the principles and implementation methods used in parameters control and measuring, this text introduces the asynchronous electromotor " s control process, in which, fuzzy control arithmetic is used, and the control commands are passed on by means of communication between mcu and frequency converter. there are two parts in this system. one is superior computer that is ordinary pc, the other is hypogynous at89c52. the functions of superior pc are control and display information through screen, and the functions of ats9c52 includes control, collecting, display, treatment, uploading of all parameters
詳細介紹了應用模糊控制演算法，以變頻器通訊方式進行異步電機調速的控制過程。系統由上位機和下位機兩部分組成。上位機為普通pc機，主要實現系統控制、數據顯示等功能，另外還有數據庫瀏覽、數據列印等功能；下位機以at89c52為核心，負責所有參數的採集、處理、顯示、上傳、控制等。 -
According to the actual working condition of the electric motor on ground drive screw pump, two kinds of new motors are proposed, that is the gearshift multi - power single speed motor and speed regulating pole change motor
摘要根據地面驅動螺桿泵電動機的實際工況，提出了分擋多功率單速和變極調速2種新的電動機設計方案。 -
And we consider sufficiently all kinds of factors, such as conductance of tube, leak and deflate of system, pump speed, ionization and re - ionization of high - energy ion taking place in the process of transmission. furthermore, we take two ways to discuss pressure distribution of cell
在系統軸線上壓力分佈分析過程中，綜合考慮了管道的流導、系統的漏氣和放氣、泵的抽速、高能離子在管道內漂移過程中發生的電離和再電離等因素的影響。 -
The our company is a specialized production tool production enterprise, the company is located under the hangzhou western suburbs scenery beautiful tanmu mountain foot ; side the hangzhou emblem is high speed this company mainly produces various types carp pliers, the water pump pliers, 雙 頭 the dull spanner, the male british system two uses the spanner product mainly to sell to europe and america, south korea, japan and the hong kong and taiwan area, and may come to attempt, the incoming sample, decides the sign manufacture this factory throughout persisted by the quality first, the prestige is supreme, good faith forever, quality infinite management objective this company all staff zealously welcome the from all walks of life new old friend presence instruction and the discussion service altogether creates the happy future cooperation to be happy
臨安振發工具有限公司是一家專業生產手工具的生產企業，公司位於杭州西郊風景秀麗的天目山腳下；杭徽高速旁邊.本公司主要生產各式鯉魚鉗，水泵鉗，雙頭呆扳手，公英制二用扳手產品主要銷往歐美，韓國，日本及港臺地區，並可來圖，來樣，定牌製造.本廠始終堅持以質量第一，信譽至上，誠信永遠，品質無限的經營宗旨.本公司全體員工熱忱歡迎各界新老朋友光臨指導並洽談業務.共創美好前程合作愉快 -
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。 -
In this paper, some off - line manual methods for regulation of flow equation have been compared and analyzed. based on pid speed governor of turbines, two kinds of governors are designed for adjustable - blade pump, which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump. the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc
文中，比較分析了現有的多種離線手動調節流量平衡的方法，在水輪機pid調速器的基礎上，針對轉槳泵設計了兩種新型調節器，通過改變轉槳泵的葉片安放角，分別能對泵站前池水位和泵的輸出流量進行自動調節；提出了兩種新型調節器的計算模型，使轉槳泵在線自動調節動態模擬得以在微機上得以實現。 -
With regard to centralized flow regulation, regulating by changing the power has been people ' s common sense and technical current, it mainly includes change the speed of pump and fan, changing their running number and the combine of the two
對于系統流量的集中調節，採用改變動力的方式已成為人們的共識和技術潮流。改變動力的調節主要有改變泵/風機的轉速、改變泵/風機聯合運行的臺數以及二者的結合。 -
( 5 ) the energy consumption analysis and experiment of the two systems, which are pump - control - motor speed governing system with inverter and hydraulic speed governing system with inlet throttle, are made. some useful conclusions are obtained. new clews are provided to enhance the total efficiency of hydraulic speed governing system with inverter
（ 5 ）對變頻泵控馬達調速系統和進口節流閥控馬達調速系統進行了能耗分析和對比實驗研究，得到了有益結論，為進一步提高變頻泵控馬達調速系統的節能效果提供了新思路。 -
L. the experiment measured the flow field of pump inlet by seven - hole cone probes under two kinds of flux, and gained pressure and speed distribution in this field, then obtained the rule of vortex field distribution
採用七孔測針對兩種流量下泵入口流場進行了測量，得出了流場的壓力和速度分佈，在此基礎上，擬合出了渦量場分佈規律。 2 -
The energy consumption analysis and experiment of the two systems, which are pump - control - motor speed governing system with inverter and hydraulic speed governing system with inlet throttle, are given. software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter is studied deeply in theory and experiment. the applications of fuzzy control, single neuron control and genetic algorithm in pump - control - motor speed governing system with inverter are studied, and some useful conclusions are obtained
所進行的主要研究工作如下：對主要參數對變頻泵控馬達調速系統的性能影響進行了時域模擬分析和開環階躍響應實驗研究；對變頻泵控馬達調速系統和進口節流閥控馬達調速系統進行了能耗分析和對比實驗研究；對軟體直接補償開環變頻泵控馬達調速系統的馬達轉速降落進行了理論分析和實驗研究；對變頻泵控馬達調速系統進行了復合補償控制實驗研究；研究了模糊控制、單神經元控制和遺傳演算法在變頻泵控馬達調速系統中的應用，均得到了有益的結論。
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