electric power drive 中文意思是什麼
electric power drive
解釋
電力聯動機-
The core products include telecom power systems, board mounted power supplies, custom power supplies, ups, precision air conditionings, outdoor shelter solutions, automatic transfer systems, network power protection products, vrla batteries, lv & precision distribution cabinets, centralized power and environment monitoring systems, dc power systems and ac motor drive inverters used in electric utility power systems
艾默生網路能源產品涉及通信電源、印刷板板裝電源、客戶定製電源、 ups 、機房專用精密空調、戶外一體化通信機櫃、自動切換開關、動力網路保護產品、蓄電池、低壓配電和精密配電櫃、動力設備及環境監控系統、電力操作電源、交流變頻調速器等領域。 -
Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control
與一般的建築空調相比，汽車空調的工作環境惡劣，條件差，控制難度要增加很多，主要體現在以下幾個方面：一是車外熱負荷變化大，難以確定控制參數；二是要求空調負荷大，而且要控制空調使其降溫迅速：三，不便於用電力作為動力源，必須用汽車發動機或輔助發動機來帶動壓縮機，當採用汽車發動機作為動力源時，由於汽車的車速變化大，發動機轉速的變化可從600r min到4000r min ，壓縮機轉速與發動機轉速成正比，其轉速變化高達7倍，給空調系統製冷劑流量控制帶來困難。 -
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 the developed the electric turbine driver equipment has been successively used in the li - jia mountain power plant and the xiao - langdi power plant to drive turbine
並用研製出的盤車裝置在李家峽電廠、小浪底電廠成功對發電機進行了電動盤車。 -
Based on the analysis of designed cad graphics and the given parameters, computer can convert the cad graphics to a acdbpolyline which can simulate the routine of the conveyor chain. then by using the method of point - by - point strain calculation, computer could figure out each point ’ s strain of the chains under different load states, and get the results such as strain ’ s maximal and the minimal values and their positions, weight of the strain equipment and power of the drive electric - machinery that the conveyor need
通過對設計的cad圖形和給定參數的分析，將輸送鏈運行軌跡轉化為一條可模擬輸送鏈軌跡的多義線，然後用逐點張力計演算法動態地計算出各種加載狀態下輸送鏈上各點的受力，得出最大、最小受力點的力的大小和位置，拉緊裝置的重量，驅動電機所需的功率等結果。 -
Semiconductor power convectors - adjustable speed electric drive systems - general requirements - part 1 : rating specifications, particularly for d. c. motor drives
半導體功率變換器.速度可調式電力驅動系統.一般要求.第1部分:直流電動機專用額定值規范 -
Semiconductor power convertors - adjustable speed electric drive systems - general requirements - rating specifications, particularly for d. c. motor drives
半導體電源變換器.調速電驅動系統.一般要求.直流電動機驅動額定值規范 -
With the development of science and technology more attentions have been concentrated on the performance analysis of the following systems : variable speed drive system of ac machines with power electronics and control devices, power energy system composed of ac machines and power lines, electric machine system consisting of ac machines and excitation control devices
隨著科學技術的發展，交流電機與電力電子及其控制裝置組成的調速傳動系統、交流電機與電力傳輸線組成的電能系統、交流電機與勵磁控制裝置組成的電機系統等的性能分析越來越受到關注。 -
Introduction of electric machine control, introduction of power electronics, motor drive and control system, dc motor model and characteristics, dc motor controller design, ac motor model and characteristics, ac motor controller design, stepping motor model and characteristics, stepping motor drive and control
電機系統控制技術概論、電力電子驅動原理簡介、馬達驅動與控制技術、直流馬達構造與特性簡介、直流馬達控制器設計、交流馬達構造與特性簡介、交流馬達控制器設計、步進馬達構造與特性簡介、步進馬達驅動系統及控制技術。 -
The design and appliance of high power density of electric drive system is researched in this thesis
本文研究了高功率密度電驅動系統的設計與應用。 -
Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed
論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構；第二章對系統內置110v直流控制電源進行了分析和設計，結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施；第三章論述了步進電機的驅動，結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路，並在試驗中得以驗證；第四章詳述了液晶驅動及顯示技術，利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路，設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼；第五章則將以上構建的整個系統應用在機車受電弓的實測中，並對測試解析度進行了分析。 -
The electric mobile is the one with the power of the storage battery for cars and drive the wheels with the electric machinery
電動汽車指以車載電源蓄電池為動力，用電機驅動車輪行駛的汽車。 -
Then on the basis of the integrated monitoring system, we build the engine room information intelligent system that is based on the diagnosis knowledge, centered with integrated intelligence, and by the way of aided decision, the system provides the functions of fault auto - detection, aided diagnosis, trend prediction and etc. the fruit of research has general meaning to the whole marine information intelligent system. zhang jin ( power electric and electronic drive ) directed by prof. li hailianq and prof. tang tianhao
本文將基於模糊技術、專家系統和人工神經網路的智能集成方法應用於復雜系統的故障診斷和預測分析，進而在自動集中監測系統的基礎上，建立了以集成智能為核心，以診斷知識為根本，以輔助決策為手段的具有故障自動發現、輔助診斷、趨勢預報等功能的船舶機艙信息管理系統。 -
First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented
建立了永磁電機和變流器的數學模型，針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制，通過變流器交-直-交的變換，將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電，通過pwm調治能使其輸出功率因數為一，並且該控制系統功率因數為可調，能在特殊情況下同電網交換一定的無功功率，並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬，取得了良好的模擬效果。在風力發電系統中，採用先進的最大功率俘獲演算法，能有效的從風中獲得最大的能量。 -
With the develop of electric power and electron technology, micro - electronics and control theory, servo - control system has made a rapid progress in enginering application. the main traits of this are the distinguished efficiency of drive capability and eminent control characteristic
隨著電力電子技術，微電子技術，微電子技術及控制理論的發展，伺服控制系統在工程中得到廣泛的應用，其主要特點是具有高效率的驅動性能，良好的控制特性。 -
It can settle the over heat problem of engine and too much power consumption and hydraulic oil system which often happens in the construction machinery engineering construct process. the control system is composed by egine cooling system and hydraulic cooling system, which can control the two part at the same time. the cooling fan can be disposed at anywhere which conquer the abuse of tradional drive style and use low power. the electric and hydraulic mix - drive cooling system settle the over heat problem of engine and hydraulic oil system effectively
針對工程機械在施工過程中經常出現發動機過熱、液壓傳動系統液壓油冷卻不足和耗能大等問題，本文設計了一種新型的電液混合驅動冷卻裝置控制系統。本系統將原冷卻系統分成發動機冷卻系統和液壓傳動冷卻系統兩個相對獨立的部分，發動機冷卻系統利用液力驅動，液壓油冷卻系統利用電動機驅動，控制系統由一片單片機同時對兩個冷卻系統進行控制。 -
Along with the technical development, drive by electric voltage of various all control the power spare part of a gao pin2 da4 and its power mold piece to appear one after another, this is various for manufacturing cleverly made and easy and convenient, the function be stable high - efficiency with the high - quality high pin switch power supply provided a condition, this power supply currently extensively used for various communication equipments, calculator is to each kind of appliance product
隨著技術的發展，以電壓驅動的各種全控型高頻大功率器件及其功率模塊相繼出現，這為製造各種小巧輕便、性能穩定的高效率和高品質高頻開關電源提供了條件，這類電源目前廣泛用於各種通訊設備、計算機乃至各類家電產品。 -
This company " the pursue advanced technology, the strict technicalmanagement, guaranteed the outstanding quality creation first - classbrand " is the quality policy, unceasingly promotes the new product, carries on the improvement innovation to the product, now this companypromotes the electric power valve drive which forms a complete setwith the valve
本公司「追求先進技術、嚴格科技管理，保證優異質量創造一流品牌」為質量方針，不斷推出新產品，對產品進行改進創新，現在本公司又推出與閥門相配套的電力閥門驅動裝置。 -
It discusses the structure of electrical system in the fuel cell electric vehicle, which is mainly composed of vehicles control and power flow management system, fuel cell engine, nih battery package, drive system, etc. the author analyzes the structure and function of these modules, especially accomplishes the research and design of vehicles control and power flow management system
討論了燃料電池電動轎車電氣系統的結構，即整車控制及能量流管理系統、燃料電池發動機、 dc dc變換器、鎳氫電池包、電機驅動系統等。詳細分析了各組成模塊的結構和功能，重點設計了整車控制及能量流管理系統。 -
With the development of the computer, autocontrol technology and the electron and electric power technology, the performance of the frequency conversion of ac drive has been improved greatly, and some new technique such as vector control and direct torque control have been applied widely
隨著電力電子技術、計算機技術和自動控制技術的迅速發展，交流電機變頻調速技術的性能指標已有很大提高，新型調速技術如矢量控制和直接轉矩控制已得到了越來越廣泛的應用。同時，交流變頻調速的控制技術也在不斷進步和完善。
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