鐵路電流 的英文怎麼說

中文拼音 [tiělùdiànliú]
鐵路電流 英文
railway current
  • 鐵 : Ⅰ名詞1 （金屬元素） iron （fe） 2 （指刀槍等） arms; weapon 3 （姓氏） a surname Ⅱ形容詞1 （形容...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 鐵路 : railway; railroad; rail
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. When the secondary circuit is closed, both primary and secondary currents set up a flux in the core.

    當次級電路接通時，初級電流和次級電流都在鐵芯內建立了一個磁通量。
  2. Two kinds of new on - line monitoring methods, which are based on measuring primary, secondary currents and voltages to calculate the short - circuit reactances of windings for detecting the deformation windings of power transformer, are proposed in the paper. the methods used for on - line measuring the short - circuit reactances of traction transformer in electric railways, are designed

    本文提出了兩種在線監測變壓器繞組變形的方法，通過在線監測變壓器繞組原、次邊的電壓和電流量，實時計算變壓器繞組的短路電抗來判斷變壓器繞組變形情況，並對電氣化鐵路主要接線型式的牽引變壓器繞組變形的在線監測方案進行了設計。
  3. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。
  4. Railway rolling stock. magneto - thermic microcircuit - breakers for maximum current for controls and auxiliaries circuits. dimension

    鐵路機車車輛.控制裝置和輔助線路用最大電流熱磁電機微電路斷電器.尺寸
  5. Railway rolling stock. magneto - thermic microcircuit - breakers for maximum current for controls and auxiliaries circuits. generalities and tests

    鐵路車輛.控制和輔助線路用最大電流熱磁電機微型電路斷路器.一般原則和試驗
  6. Railway fixed equipment. high speed unipolar circuit - breakers for direct current traction systems 750, 1500 and 3000 volts. characteristics and tests

    鐵路固定設備.直流電壓為750 1500和3000v的牽引設備的高速單極斷路器.性能和試驗
  7. The imperfection mutual inductance will excite spurious frequency, and create circulating currents in each choke capacitor branch, therefore cause magnet current distortion

    結果表明，諧振電抗器的互感系數的不一致性將激勵寄生頻率，從而在每個諧振電抗器與電容支路中產生寄生電流，並導致磁鐵電流的畸變。
  8. General technical requirements for railway signal dc neutral relays

    鐵路信號直流無極繼電器通用技術條件
  9. The high - density hong kong environment is ideal for the use of escalators and travellators. for instance they may be used to cope with large numbers of pedestrians and speed - up long - distance links to railway stations and ferry terminals

    香港的高密度環境很適宜使用扶手電梯及自動行人道，這些設施可應付大量的人流，讓行人快捷地通往鐵路車站或渡輪碼頭。
  10. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  11. The factory has possessed advanced production equipments and wire cable check equipment at domestic. first class technology will provide you wire cable with fluorin polymer used in in aviation spaceflight, electric cables, control cables, computer cables, compensatory wire cables, fire - proof cables with high temperature, general plastic cables that classified into sixteen species and over one thousand specifications. cables for " hongyuan " brand are widely used in the fields of spaceflight, national defence, electric petroleum chemistry, steel, public establishments, environmental perfection and architecture. temperature - proof cables with " hongyuan " brand were awarded with famous products in 2001 which are widely sold all through the world and have been won customers trust

    一流科技力量為您提供航天用含氟電線電纜電力電纜耐熱防腐硅橡膠電纜耐高溫電纜控制電纜計算機網路電纜補償用電線電纜船用電纜橡套電纜阻燃防火電纜等十六大類，一千多種規格產品，並可根據擁護特殊要求，自行設計生產，以滿足顧客要求，多年來「宏源」牌電線電纜廣泛用於航空航天國防軍工電子原件電力石化鋼鐵冶金公共設施環保建築等領域，深受廣大用戶高度評價和信賴。
  12. Our products and technological achievements in finance, commerce, tourism, taxation, telecommunications, postal services, government, railways, tobacco, military and other areas to be widely applied, and the government, army, courts and other units, institution - building long - term, broad - based partnerships, with their own first - rate technical and professional services won customer support and trust

    我們的產品和技術成果已在金融、商業、旅遊、稅務、電信、郵政、政府、鐵路、煙草、軍隊等領域得到廣泛應用，與政府、軍隊、法院等單位、機構建立了長期的、廣泛的合作關系，憑借自身一流的技術和專業的服務贏得了廣大客戶的支持與信賴。
  13. The most convenient aisle to central asia shandong china - railway logistics co., ltd the lianyungang branch our company represents railway transportation from lianyungang to countries of central asia, which is the land bridge of asia and europe

    去中亞最便捷的通道山東中鐵物流有限責任公司連雲港分公司我公司經營從連雲港到中亞各國的貨物鐵路運輸，即第二亞歐大陸橋，便捷快速，服務一流歡迎致電咨詢！
  14. Railway applications - rolling stock - combined testing - part 2 : chopper - fed direct current traction motors and their control

    鐵路設施.機車車輛.聯合試驗.第2部分:斬波器供電直流牽引電動機及其控制設備
  15. New technology on china " s railway traction is experiencing changing periods from internal - combustion traction to electrical traction and from dc drive to ac drive, which make it possible for the railway enterprises to face pportunities and challenges. it " s up to these enterprises to take the initiative in making development while producing electric driver of locomotives

    我國鐵路牽引技術正處于由內燃牽引向電力牽引、由直流傳動向交流傳動轉換的時期；使配套生產機車電傳動裝置的鐵路電機企業的新產品開發面臨著機遇和挑戰。
  16. Simulation results show that the wavelet transform is suitable for the discrimination of the distant fault current from the train starting current

    對計算結果的討論表明了使用小波變換來鑒別地鐵遠方短路電流和列車起動電流是可靠的。
  17. The difficulty of analyzing the distant fault current lies in the running steel rails as the return conductors

    討論遠方故障短路電流的難點在於作為電流迴路的鐵軌。
  18. Finally, the paper makes an in - depth analysis in total effects of railway - electrification ( including positive effects and negative ones ), offers general train of thought about comprehensive evaluation by quantitative analysis and ff not " establishes an index system to evaluate the project of transformation as well as system structure and process of the evaluation. it applies relative comparison method and arrangement analysis method ( ahp analysis method ) in system engineering to determine relevant parameters and their weight. the paper makes a comprehensive evaluation of the internal - combustion transforming into electric power project in xiang - shi railway and concludes a final evaluation result

    最後，分析了鐵路電氣化改造的綜合效果（包括正負效果） ，提出了定量綜合評價的總體思路，確立了內燃改電力項目綜合評價的指標體系，構建了評價體系結構和評價流程，運用系統工程的相對比較法和層次分析法（ ahp分析法）確定有關參數和權重。
  19. Because the feeder short circuit current of subway is very great, the plug - in boards of input and output are different from the ac feeder protection. after analyzing and comparing the two popular input components, the thesis choices the shunt. in addition, the thesis gives the original design of output plug - in board

    由於地鐵饋線短路電流較大，保護的輸入元件及出口插件與交流保護不同，本文對目前常用的兩種輸入元件進行了分析比較后，選擇了分流器，在分析了直流快速開關動作情況的基礎上，對出口插件進行了初步設計。
  20. With the increase of the electric power system capacity as well as the short lines, high currents will possibly occur in the transmission line when a fault happens at the end of the line. the iron core of the current transformer ( ct ) will become saturated easily because of the large current, or when the secondary load of the ct does n ' t match the 10 % error curve

    隨著電力系統容量增大以及短線的增加，在電力系統線路末端發生短路時，有可能出現很大的短路電流；在很大短路電流的作用下，或由於電流互感器二次側負載與10誤差曲線不匹配等原因，電流互感器鐵芯很容易飽和。
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