電阻起動電機 的英文怎麼說
中文拼音 [diànzǔqǐdòngdiànjī]
電阻起動電機
英文
resistance-start motor- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 起 : 起Ⅰ動詞1 (站起; 坐起) rise; get up; stand up 2 (取出; 取走) draw out; remove; extract; pull 3...
- 機 : machineengine
- 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
- 起動 : start (a machine, etc. ); switch on起動電動機 starting motor; 起動器 starter
- 電機 : (任何產生和應用電能的機器 特指發電機、電動機) any power generating or power driven machine esp ...
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Traveling cranes, drying furnaces, transformer wiring facilities, transformer automatic inspection machines, pressure meters, insulation resistance meters, ac dc stabilized power sources, memory high coder brightness meters, light meters, film thickness meters, noise meters, hand thermometers
起重機,乾燥爐,變壓器卷線設備,變壓器自動檢查機,耐壓計,絕緣電阻計,交流直流穩定性電源,內存快速編碼器亮度計,光度計,膜厚計,噪音計,手指尖溫度計It combained potentiostat, potentiostatic circuit instrument and ac impedance measurement organticace, which can measure usual dynamic potentio - scan, experiment of dynamic potentio - scan, but also unique measurement of ac impedance measurement, also, this new type electrochemical workstation can carry on complex experiment, sucn as potentio / current scan ac impedance measurement procedural measurment, life - span - circle ac impedance measurement procedural measurement in order to fullfill the goal of track and analysis of parameter in various electrochemical conditions. this graduation thesis indicate the structure, function of the multifunct - ional electrochemical workstation
它把恆電位儀,恆電流儀和電化學交流阻抗分析儀有機地結合到一起,既可以做常規的基本測試如動電位掃描、動電流掃描試驗和電化學交流阻抗測量,也可以做基於這三種基本試驗的程式化試驗,如恆電流充電-電化學交流阻抗測量,電池壽命循環試驗-電化學交流阻抗測量試驗,從而完成多種狀態下電化學體系的參數跟蹤和分析。Application of soft - start technique with liquid - electrolytic rheostat to ball mill
電液變阻軟起動技術在球磨機上的應用The study and application of soft - start technique with liquid - electrolytic rheostat in squirrel cage induction motor
鼠籠式異步電動機電液變阻軟起動技術的研究與應用In addition, active constrained layer damping ( acld ) has attracted scholar ' s interests because it has the advantages of passive control and active control. the mechanism of vibration control of acld and the models of how to deal with the viscid - electric material are introduced. the finite element model of acld with ghm model is established in this paper
此外,主動層阻尼結構( acld )由於兼有被動控制和主動控制兩者之優點也引起了國內外學者的興趣,本文給出了主動層阻尼結構(約束層採用壓電材料)抑振的工作機理,介紹了處理粘彈性層( vem )的幾種模型,並採用ghm模型建立了主動層阻尼結構的有限元模型。For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions
針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機,本文提出一種基於六個離散位置信號的自同步svpwm (電壓空間矢量法)控制方法,用以削弱電磁轉矩脈動,分析了實現這種方法的主要控制環節,包括起動時電壓空間矢量的初始定位,阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。Combined with the peuliarity of pmsm, the pmsm starting - torque and starting - current are studied, analyze why we chose such a rotor ' s slot, at the same time, generalize how to calculate the resistance of the rotor
第四部分結合永磁同步電動機的自身特點研究了樣機的起動轉矩和起動電流,並分析了樣機所選轉子槽形,同時得出永磁同步電動機< wp = 5 >轉子電阻的計算方法。In the process of parameters identification, the stator voltag is considered as input quantity and the stator current and motor rotate speed are considered output quantities. the rotor resistance and leakage inductance are estimated on - line and the identification results is got at last
在參數辯識過程中,以電機起動時的定子電壓為輸入量,定子電流和電機轉速為輸出量,對復合籠條轉子感應電動機轉子電阻和漏感進行在線估計,最後得到轉子電阻和漏感的辨識結果。In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given
針對交流傳動電力機車的傳動特點,對其中的牽引變壓器的工作狀態進行了分析,指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題,同時給出了相應的一些解決方法。Application of soft start technique using electrolyte rheostat in blast furnace blower
電液變阻軟起動技術在韶鋼高爐鼓風機上的應用Application of soft - start technique with liquid - electrolytic rheostat to blast furnace fan
電液變阻軟起動技術在高爐鼓風機上的應用This dissertation focuses on how to develop a high performance damping mechanism based on multi - energy transitions, which is independent or little dependant with the viscoelasticity of polymer matrix. three sections are mainly included in this dissertation as follows : chlorinated polyethylene ( cpe ) / piezoelectric ceramic ( pzt ) / vapor grown carbon fiber ( vgcf ) composites ; cpe / 2, 2 ' - methylene - bis - ( 4 - methyl - 6 - cyclohexylphenol ) ( zkf ) / vgcf composites ; organic hybrids made from cpe and small molecules cpe / pzt / vgcf composites : the damping composites of multi - energy transitions mechanism were produced by mixing pzt and vgcf into cpe. in this system, the mechanical vibration energy that was transmitted to cpe was found to convert into joule ' s heat through conduction paths between vgcf in the polymer matrix, so the vibration fades away
本論文主要包括三個方面的研究內容: ?氯化聚乙烯( cpe ) /壓電陶瓷( pzt ) /氣相生長碳纖維( vgcf )復合材料; ? cpe /雙[ ( 2 -羥基- 3 -環己基- 5 -甲基) -苯基]甲烷( zkf ) / vgcf復合材料; ? cpe基有機小分子混雜型復合材料cpe / pzt / vgcf減振復合材料:利用壓電和導電填料填充高聚物基體,當復合材料受到機械振動時,通過高聚物基體將機械振動能傳遞到壓電陶瓷粒子上,利用壓電陶瓷的壓電效應,將機械能轉換成電能,則電流在導電粒子產生的迴路中流動,由於導電迴路具有一定的電阻,所以電能又轉變成熱能耗散掉,從而起到減振的目的。Considering the above control strategies which make the controller can not be real - time processing because its workload has increased, control circuits of the main switches based on eprom are designed, which can implement control scheme of firing angles and phase voltage. furthermore, it avoids power converter saturation in the process of commutation
上述控制策略的引入造成控制器運算量增大、難以在線實時控制,又設計了基於eprom的主開關器件通斷控制電路,實現了開關磁阻電動機開通關斷角控制及對施加於相繞組上電壓的優化控制,同時避免了換相時可能引起的功率變換器飽和現象。This is a newly introduced slight shocking, direct driving centrifugal hyro - extractor. the electric locomotive on its base is semi - closed, internal ventilating, self cooling, weight adding and energy saving. the internal drum and rotational drum are istalled on the axel of the locomotive and drived directly, which effectively decreases energyloss, and simplifies therotation. acontrolling box is used in the machine to start through frequency conversion. and stop through resistance. the showing board shows the rotation speed and adjusts the speed and time. the featues of this machine areenergy saving, durable and repair infrequent. this machine is spcially used for cloth hydroectraction
本機系最新引進直微震直驅式離心脫水機,它使用半封閉內通風自冷加重型專用節能電機裝于中間底座,內桶及轉鼓裝于電機軸而直接驅動之,有效地減小了多功能損耗,簡化了傳統的多級繁瑣轉動,本機配有一個電控箱機變頻起動,電阻剎車於一體面板有轉速顯示並可調速度及時間,該機特點省電、耐用、維修機會極少,本機適合布匹脫水使用。This product is composed of hall sensor assembly and the distributor with ignition timing. compared with conventional distributor, it avoids vacuum advance actuating device and centrifugal advance actuating device. it has a structure of restraint impedance distribution head and screening cover in order to reduce magnetic disturbance caused by engine ignition system, enabling the whole engine system to operate more reliably
該產品由霍爾傳感器總成、帶點火正時觸發輪的分電器構成,與傳統的分電器總成相比,減少了真空提前機構和離心提前機構,為減少發動機點火系統引起的電磁干擾,採用抑止式電阻分火頭及屏蔽罩結構,使整個發動機系統工作更加可靠。Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street
輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落,但隨著都會地區機動車輛不斷增加,道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計,搭配先進控制系統及彈性的路權型式,使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上下車,提供沿線居民高度的便利性,消除交通堵塞噪音及空氣污染等,輕軌系統並與街景充分的調和,成為活動的都市意象。Abstract : the system composed of intelligent control modules for three - phase induction motors is introduced in this paper. this module can conduct starting, reverse braking, and reverse conrtol with current limiting resistance. besides, it can also detect low voltage, overload, and open circuit of 1 or 2 phases, and do protection according to the detection. it especially fits to the controlling of motors which often do starting, braking and reversing
文摘:介紹了一種智能三相電機控制模塊組成的系統,能在串電阻(電抗)起動、反接制動和換向控制的基礎上進行欠壓檢測、過載檢測、斷相檢測及電機故障保護.尤其適用於起動、制動和換向控制頻繁的電機控制場合In this thesis, the basic operation theory of salient - pole synchronous motors is discussed ( based on the analysis of the electromagnetic relationship among stator winding 、 rotor winding and damper winding, the transitional process of salient - pole synchronous motors ( asynchronous starting, the thesis provids a novel control method and connection of exciting winding during salient - pole synchronous motors ( asynchronous starting
本文論述了凸極同步電動機的基本運行原理,在分析了凸極同步電動機定、轉子繞組及阻尼繞組的電磁關系的基礎上,研究了凸極同步電動機異步起動的過渡過程,提出了一種新型的凸極同步電動機異步起動過程中勵磁繞組控制方法和線路。Switched reluctance motor ( sr ) is a new - type drived - electromotor system which develops rapidly since 1980. the structure of the srd is simple
開關型磁阻電動機驅動系統( switchedreluctancemoter ,簡稱sr電動機)是20世紀80年代迅猛發展起來的一種新型調速電機驅動系統。Firstly, contemporary research actuality for start / generator is introduced briefly. then, basic working principles and starting manners of engine in the induction motor start / generator system are done in detail. after that, the starting resisting torque characteristic of diesel engine is analyzed and several starting schemes for starting diesel engine are investigated
在簡要介紹了起動發電系統的研究現狀后,詳細介紹了異步電機起動發電系統的發動機基本工作原理和起動方式,並對發動機的一種類型? ?柴油機的起動阻力矩特性進行了分析,並研究了幾種柴油機起動方案。分享友人