牽引變壓器 的英文怎麼說

中文拼音 [qiānyǐnbiànyāqì]
牽引變壓器 英文
traction transformer
  • 牽 : Ⅰ動詞1 （拉） lead along （by holding the hand the halter etc ）; pull 2 （牽涉） involve; implic...
  • 引 : Ⅰ動詞1 （牽引; 拉） draw; stretch 2 （引導） lead; guide 3 （離開） leave 4 （伸著） stretch 5 （...
  • 壓 : 壓構詞成分。
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 牽引 : 1 （拉） tow; drag; draw; haul; pull; draft 2 [中醫] traction; 牽引車 [機械工程] drafter; tractor...
  1. Traction transformers and inductors for rolling stock

    機動車輛用牽引變壓器和電感器
  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. In the models, the iron core nonlinearly of the traction transformer and the magnetic hysteresis effect without the b - h curve are considered. having tested by digital simulation, the winding parameter has not changed in the state of external fault or magnetizing inrush etc. but the winding parameter has obviously changed in state of inter fault or inter - turn fault. ( 3 ) the rules three phases converted to two phases of traction transformer in electric railways are developed in this paper

    （ 3 ）利用牽引變壓器磁鏈平衡方程，建立了基於系統辨識理論的雙繞組單相接線牽引變壓器、阻抗匹配平衡牽引變壓器及scott （斯科特）接線牽引變壓器的「灰箱」模型，該模型考慮了牽引變壓器鐵芯非線性和磁滯效應，但又不直接反映在模型中，並且無需鐵芯的b - h曲線數據。
  4. Under the condition of meeting the power supply requirement, the relationship is analyzed between the traction transformer capacity and voltage loss of variant parts as well as the short - circuit capacity of the power system

    在滿足供電要求的情況下，計算分析了牽引變壓器容量與各部分電壓損失、電力系統短路容量的關系。
  5. At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened

    目前，牽引變壓器通常採用差動保護作為主保護，但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或非內部故障，如故障電流與變壓器處于勵磁涌流、過勵磁， ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的區分，可能造成保護誤動或拒動，從而危及整個鐵道電氣化系統的安全運行。
  6. 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。
  7. Impedance - matching balanced traction transformers ( balanced transformers in this paper for short ) are step - down transformers, they transfer symmetrical three phase voltage in primary side to perpendicular two phase voltage in secondary side. they are different from any other transformers, so their short - circuit current analysis and short - circuit test method must be taken into special account

    阻抗匹配平衡牽引變壓器（本文中簡稱平衡變壓器）是一種將一次側三相對稱電壓變換為二次側二相垂直電壓的降壓變壓器，它不同於已有的任何一種變壓器，短路電流的分析計算和短路試驗必須予以重新研究。
  8. Influence of harmonics on traction transformers losses

    諧波對牽引變壓器損耗的影響
  9. The main achievements of the thesis are as follows : ( 1 ) kinds of techniques to detect magnetizing inrush of traction transformers are thoroughly investigated in this paper, and their limitation are indicated and corresponding improvement techniques are proposed. ( 2 ) in this paper, flux linkage equilibriun equations are used to build " ash - box " models of some traction transformers based on system identification, such as two - winding single - phase traction transformer, impedance - matching equilibriun traction transformer and scott traction transformer

    論文的主要內容有： （ 1 ）詳盡分析了現有的針對牽引變壓器勵磁涌流演算法的保護演算法，提出了每種演算法的局限性及其改進方法； （ 2 ）提出適用於鐵道電氣化系統中各種牽引變壓器對應的三?二相轉換規則，利用該規則可將對應量的轉換置於保護軟體中，從而可大大減輕在牽引變壓器兩端外部復雜的接線。
  10. Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation

    鑒于湯陰變電站的諧波主要來自電力牽引負荷，本文列舉了電力機車幾種主要車型的結構以及它們產生諧波的概況，得出了電力機車的各次諧波電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓器，分析了阻抗匹配平衡變壓器的結構及其高壓側注入電網的諧波，推導了有關計算公式。通過理論分析並結合湯牽線的實測諧波數據，歸納了電力牽引負荷注入湯陰變電站的諧波的特點。
  11. On the technology of the state monitoring of traction transformer

    牽引變壓器狀態監測技術研究概述
  12. Railway applications - fixed installations - traction transformers

    鐵路設施.固定裝置.牽引變壓器
  13. In china the traction power supply system adopts single - phase ac

    牽引變壓器的選擇是人們長期關心的問題之一。
  14. Railway applications - traction transformers and inductors on board rolling stock

    鐵路設施.鐵路車輛用牽引變壓器和電感器
  15. Study on operation characteristics and equivalent model of scott connection traction transformer

    接線牽引變壓器運行特性與等值模型研究
  16. Study on energy - saving control device for traction transformer blower of electric locomotive

    電力機車牽引變壓器風機節能控制裝置的研究
  17. The simulation models of balance traction transformer with two connection symbols are established. the operating state of transformer with symmetric and unsymmetric loads in secondary side is analyzed

    摘要構建了兩種聯結平衡牽引變壓器的模擬模型，分析了二次側對稱和非對稱負載時變壓器的運行狀態。
  18. Traction transformers are important devices in electric railways system, and secure operation has significant influence on the stability of electric railways system

    =牽引變壓器是鐵道電氣化系統中重要的電氣設備，在電氣化鐵道系統中佔有極其重要的地位，它的安全運行與否，直接關繫到鐵道電氣化系統能否連續穩定的工作。
  19. In view of this fact, a novel method based on identification of winding parameter is presented, which need not to distinguish magnetizing inrush. simulation results by using emtp and matlab demonstrate the feasibility and availability

    該方法能有效的區分牽引變壓器內部故障與外部故障、勵磁涌流等情況，用emtp及matlab進行模擬計算，驗證了該方法的可行性和有效性。
  20. Site partial discharge amp; amp; induction voltage endurance test method for yna impedance - matching and balanced - traction transformer

    阻抗匹配平衡牽引變壓器現場局部放電和感應耐壓試驗方法
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