電抗起動電機 的英文怎麼說
中文拼音 [diànkàngqǐdòngdiànjī]
電抗起動電機
英文
reactor 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...
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 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
- 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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It ’ s often used to cover the special target in special area or is used to make false attacking situation. these small light and cheap jamming devices always are thrown to the area near the target. they are manipulated or not to jam the foe ’ s military electronic device such as radar and radio etc. the device weighs about one kilogram and is as big as mauley
分散式干擾是在無人機機載和氣球載干擾機等形式上發展起來的電子對抗設備,通常是為了掩護特定區域的目標或在某一地區內製造假的進攻態勢,將眾多體積小、質量輕、價格便宜的小型干擾源散布在接近被干擾目標的空域、地域上,自動地或受控地對選定的軍事電子設備進行干擾。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。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。Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet
基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深(凹槽深度)的增大,槽柵器件的閾值電壓升高,亞閾斜率退化,漏極驅動能力減弱,器件短溝道效應的抑制更為有效,抗熱載流子性能的提高較大,且器件的漏極驅動能力的退化要比改變結深小.因此,改變槽深加大負結深更有利於器件性能的提高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。The possible factors including the deviation of temperature in length and breadth of rod, the changes of transfiguration resisting force under the changes of temperature, the adjustment of roll gap, the variation of rolling pressure, the changes of roller speed during dynamic adjusting press, the unmatched of seconds - flux under the dimension fluctuation of the coming sample and so on. the whole system was a closed loop which factors in it interacts each other
可能的影響因素有:沿軋件縱橫向溫度變化、由溫度引起的軋件變形抗力變化、軋機輥縫值變化、負載變化、電機調節系統由不穩定向穩定過渡過程中軋輥轉速的變化(如咬鋼過程中的動態速降后的回復階段) 、來料尺寸波動造成秒流量不匹配等,整個模擬系統是各個因素相互影響關聯的一個閉環系統。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For current misoperation cause of microcomputer relay protection, the paper introduces the technology of scattered arrangement protection to improve anti - inteferance ability, the usage of computer digital communication technology to enhance fault diagnostic function of micro computer protection device and outside circuit and decrease bad contact of contactor and terminal which may cause ralay misoperation, establishment of electrical protection remote management network to realize maintenance under condition
針對目前微機保護不正確動作的原因,提出了採用保護分散布置技術,提高抗干擾能力;應用計算機數字通信技術,增強微機保護裝置及外聯迴路的故障診斷功能及減少接點和端子接觸不良引起的保護不正確動作因素;建立電網保護管理遠程網路,實現「狀態維修」 。Yet, most existing high speed on / off valves use electromagnet as their electicity - mechanism conversion element, and good performant electromagnets have to be imported from other countries, in such situation, it is difficity to make excelent high speed electromagnet valve made in our country, even if we can make good performant high speed electromagnet valve in our country, it still has the shortcoming of not high enough respond speed, too small placket and big volumeo in this thesis, a new high speed on / off valve is developed based on two types of existing valves, this new valve has higher respond speed, a little big placket and little volume o for the new valve, several main task was made out as below : a ) several types of high speed on / off were first analyzed, then the basic performance of the actuator of the new valve was analyzed
高速開關閥是20世紀80年代發展起來的一種具有響應速度快、抗污染能力強、與電子電路配合好等特點的一個良好的動力放大元件。但是現有的高速開關閥基本上採用電磁鐵為電?機轉換元件,高性能的電磁鐵又基本為進口,難以滿足高性能高速開關閥國產化的要求,即使是高性能的電磁鐵式高速開關閥,仍存在著響應速度不夠大、開口過小、體積較大的缺點。本文在現有兩種高速開關閥的基礎上,設計了一種新穎的高速開關閥,在提高其動態性能的同時,增大了閥的開口,減小了閥的體積。The parameter selection and design of the saturable reactor for hv motor start are introduced. the examples are presented
摘要介紹了高壓電機起動用飽和電抗器參數的選擇及電抗器的設計,並給出了具體實例。Soco magnet is widely used in motors, watch, transducers, instruments, positional detector, generators, radar communications, medical equipments, various magnetism spreading devices, magnetic processor, electrical engineering and magnetic derrick
具有很強的抗腐蝕和抗氧化性;所以被廣泛應用在航空航天、國防軍工、微波器件、通訊、醫療設備、儀器、儀表,各種磁性傳動裝置,傳感器,磁處理器,電機,磁力起重機等。It neednt to be coated because it is difficult to be eroded and oxidized. soco magnet is widely used in motors, watch, transducers, instruments, positional detector, generators, radar communications, medical equipments, various magnetism spreading devices, magnetic processor, electrical engineering and magnetic derrick
具有很強的抗腐蝕和抗氧化性所以被廣泛應用在航空航天國防軍工微波器件通訊醫療設備儀器儀表,各種磁性傳動裝置,傳感器,磁處理器,電機,磁力起重機等。Adjustable signal levels, shielded housing, not to mention carefully selected components and a first - class signal - to - noise ratio together guarantee the perfect playback of your recordings. and the best thing about it : the phono preamp requires no additional drivers, no sound card and no external power supply. simply connect it to the your computer s usb port and start recording
它的外接式設計可完整的保護訊號並對抗失真,更不必打開計算機機殼進行安裝,只要透過phono preamp將唱盤與計算機連接起來,就這么簡單,也不用額外的驅動程序或電源,所有電源均來自usb埠。The soft starter employs high performances microprocessor 80c196kc as control core and its synchronous circuit can endure strong electromagnetism interference, and it has the intelligence to judge the phase order
該軟起動控制器採用intel公司16位高性能單片機80c196kc作為控制核心,採用抗干擾性強的同步檢測電路,具有智能判序功能。Robot soccer game is the booming high tech activity in these years, as the product of high tech development, robot soccer game is the combination of robotics technology, intelligent control, communication, computer technics, sensory technics, photography processing, human life
機器人足球比賽是近年來在國際上迅速開展起來的高技術對抗活動。作為高科技研究發展的產物,機器人足球比賽融入了機器人技術、智能控制、通信、計算機技術、傳感器技術、圖像處理、機械電子學、人工生命等跨學科的高新技術。分享友人