調速的 的英文怎麼說
中文拼音 [diàosùde]
調速的
英文
frequency controlled-
The control system with such method is simulated and a inverter is made for speed control of single - phase motor. the method presented in this paper offers such advantages as easy implementation, large range of frequency and rapid dynamic response. furthermore, using this method, the single - phase motor with symmetrical or dissymmetrical windings can operate symmetrically
本文提出的變頻調速控制方法具有系統設計簡單易實現，調速范圍大，動態響應快等特點，而且在電機繞組對稱和不對稱兩種情況下均可實現變頻調速的對稱運行。Presents the energy saving principle of a frequency - controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves
摘要闡述了循環水泵變頻調速的節能原理，提出離心水泵相似定律的適用性和等效率曲線概念。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。Furthermore, grp wined system can not adjustment continuously and therefore affect the technics of production due to the limitation of machine timing
而且，由於機械調速的限制，導致纏繞系統的速比不能連續可調，影響了產品的工藝。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。Based on the tms320f240 controller produced by ti company, the hardware and software designation of the symmetrical voltage space - vector pwm is presented. designed a digital controller with tms320f240 to modulate the speed of the motor, in which the keyboard and led display are bedded. it can be to set the frequency of motor and display the run frequency of motor in real time
基於ti公司的tms320f240控制晶元，介紹了對稱空間電壓矢量硬體設計和軟體設計，採用tms320f240設計了一款用於電機變頻調速的數字控制器，該控制器上設計有鍵盤和led顯示，可以設定和動態顯示電機運行頻率。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。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。Trs transmission - regulated spark system
由變速器調速的點火系統Abstract : this paper discusses the method of adjustable speed driving with bi - directional power transferring converter for motors used in draining and irrigating pumps, a control strategy is proposed to realize super / hyper synchronous speed running with ac - ac converter, and a design for the driver is given based on 16 bit micro - controller
文摘:針對農用電力排灌站電機調速改造問題，討論了雙饋調速實施方案，提出了採用交交變頻實現超/低同步調速的一種控制方法，給出了以高性能16位單片機為核心的雙饋調速控制系統軟硬體設計Volume velocity modulation system of digital control
容積調速的數字控制New type of screw mechanism with new function of load sensitive variable speed
隨載荷變化而無級調速的新型螺旋機構To adjust the handling capacity of the centrifuge by regulating 0 and 1 ， suggestions are put forward as follows : ( 1 ) using dc motor instead of ac motor when scr system being used, ( 2 ) mounting a coupling on the drum shaft, ( 3 ) adding a liquid supply control system to control the filling of the fluid in the coupling
為此，提出改進建議: （ 1 ）在有scr可控硅系統的現場，用直流電動機代替交流電動機，用控制電流大小的方法來調節電動機的轉速，從而控制0 ， （ 2 ）在滾筒軸上安裝一偶合器，利用偶合器的無級調速的特點來達到自動調節離心機處理速度和處理量的目的， （ 3 ）在安裝偶合器的基礎上，增加一個液體供應控制系統。Design of digital controller of speed regulation of alternating - current motor based on dsp
的交流電機調速的數字控制器的設計Conclusions are drawn as follows : ( 1 ) regulating the electromotor speed by adjusting the input voltage is easy to carry out, and it can be used in most of the oil fields ; ( 2 ) good energy - saving effect can be achieved under the condition of light load on the motor ; ( 3 ) the voltage cannot be regulated in a large range, and the optimal range of the voltage regulation is less than 10 % of the rated voltage
由此得出結論： （ 1 ）調電動機端電壓調速方法簡單，一次性投資少，易於實現，對於一般的油田都適用； （ 2 ）調壓調速只有在輕負荷時，即在負荷遠未達到滿負荷時才有一定的節能效果，適用於油田普遍存在的「大馬拉小車」的情況； （ 3 ）電動機調壓調速的范圍不能太大，電壓調整的最佳范圍為額定電壓的10 %以內。This series motors are widely used in various mechanical equipment which needs stepped speed adjustment, so that they enable the equipment to have compact structure, lower noise and ability to save energy
本系列電動廣泛用於各類需要有級調速的機械設備，能使整機結構緊湊、噪聲降低、能量節約。The question of power waste and sewage overflow in sewage pumping station system is proposed. in order to solve this question, predictive control and vvvf are applied
本文針對當前污水泵站排放系統存在的耗能多及污水溢出污染的問題，提出了採用預測控制，結合變頻調速的控制手段。Experimentation of sewage pumping station based on predictive control with vvvf is carried out. the experimentation result shows that the sewage pumping station predictive control system can be running under the condition of high water level. by using this control mode, inflow sewage is pumped out entirely
在模擬研究基礎上，搭建了模擬試驗系統，在實驗室條件下，對污水泵站排放系統進行了結合變頻調速的預測控制模擬試驗，試驗結果表明，採用預測控制，可以使系統運行在高水位低揚程的工況下，使流入泵站管網的污水等量排出，實現了節能無污的控制目標。In addition, the system of ac vvvf speed regulation is reviewed and prospected, the basic principle of vvvf and the capacity of motor of the frequency converter are discussed, and the auto - solid storage in department ii in yuxi hongta group is introduced in the thesis
本文對交流變頻調速系統進行了回顧與展望，簡單論述了變頻調速的基本原理，同時描述了變頻器驅動電機的特性。介紹了玉溪紅塔集團生產二部自動化立體倉庫，重點是對堆跺機提升系統控制策略進行分析研究。Adjustable speed electrical power drive systems - general requirements - rating specifications for a. c. power drive systems above 1 000 v a. c. and not exceeding 35 kv
可調速的電力驅動系統.一般要求.大於1000v但不超過35kv交流電驅動系統的額定值規范分享友人