traction transformer 中文意思是什麼

traction transformer 解釋
列車牽引變壓器
  • traction : n 拖曳,拖拉,牽引;牽引力;〈比喻〉吸力,魅力;【醫學】(對于肌肉等的)牽引(術);〈美國〉市內...
  • transformer : n. 使變化的人[東西];【電學】變壓器;變換器;互感器。 polarity of transformer 變壓器繞線方向。
  1. 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。
  2. 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。
  3. 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。
  4. Judgment of burning failures for a column outlead terminal of traction transformer in ss3 electric locomotive

    柱引出線接頭燒損故障的判斷
  5. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作:結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況,建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型;應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型;闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法;進行了工程實例計算;最後,對牽引供電系統優化設計技術應用進行了總結。
  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. Tangyin substation is an important substation which has two transformer of 120mva, eight 220kv lines and three 110kv lines. tangqian line is a 110kv line specially for traction transformer substation. because traction load is high - power nonlinear and asymmetry. it will produce much harmonic and negatvie sequence current, which have done harm to compensation capacitors of tangyin substation. in recent years, the tang6c capacitor often interrupted and in 2001 july the tang7c capacitor ' s discharge pt exploded

    湯陰變電站是豫北一座樞紐變電站,有2臺120mva的主變, 8條220kv線路和3條110kv線路,其中的湯牽線是專為牽引變電站供電的110kv線路。由於電力機車屬于大功率的非線性負荷,且三相不對稱,在其運行過程中必然會產生較大的高次諧波和負序電流。
  8. As an example, the paper presents the design of static adjustable reactive compensation with step - down transformer for ying shuiqiao traction substation ( tsc ), the design of the over compensatuion of dynaminc state imbibe system during no travelling crane ( tsr ), it did synthesis optimize of the mostly equipments " technology parameter, at the same time did the analysis and evaluation in the base of colligate control strategy using computer emulate

    在對包蘭線的迎水橋變電所進行了模擬試驗的基礎上,制定了綜合控制策略,把裝置實際應用於該變電所,裝置的實際運行情況表明:補償效果好,功率因數提高到0 . 94 。
  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. 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
  13. 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
  14. Traction silicon - rectifier transformer

    牽引用硅整流變壓器
  15. The equilibrium current in 24 - pulse traction rectifier system is analyzed. the relation between critical load and resistance of traction rectifier transformer is discussed

    摘要分析了24脈波牽引整流系統中的均衡電流,討論了臨界負載與牽引整流變壓器阻抗參數的關系。
  16. 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。
  17. The calculation and measurement methods for voltage, turns and phase - shifting angle of winding with extended delta connection in 24 pulse traction rectifier transformer are introduced

    摘要介紹了24脈波牽引整流變壓器延邊三角形聯結的網側繞組的電壓,匝數及移相角的計算和測量方法。
  18. 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
  19. ( 4 ) based on system identification, the hardware - software system of traction transformer is designed in this paper, in which hardware structure of protection unit and action - criterion of protection are exploringly studied

    ( 4 )初步設計了基於該原理的牽引變壓器保護的軟硬體系統,著重對保護單元的硬體構成及保護動作判據進行了分析討論。
  20. It is well known that the transformer is one of the most important equipments in traction substation and its operation condition greatly influences the safety of traction power supply system

    牽引變壓器是牽引供電系統中最重要的設備之一,它的正常工作與否直接關繫到電氣化鐵道的正常運營。
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