traction locomotive 中文意思是什麼

traction locomotive 解釋
牽引機車
  • 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...
  • locomotive : n 1 火車頭,機車。2 〈pl 〉 〈俚語〉腳。3 能行動的動物。4 節奏逐漸快起來的集體歡呼。adj 1 運動的...
  1. 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
  2. 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。
  3. 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。
  4. There, suspended by one hand between the baggage - car and the tender, with the other he loosened the safety chains ; but, owing to the traction, he would never have succeeded in unscrewing the yoking - bar, had not a violent concussion jolted this bar out. the train, now detached from the engine, remained a little behind, whilst the locomotive rushed forward with increased speed

    現在,他一隻手攀著車,整個身體懸空在行李車和煤車之間,另外一隻手去松開掛鉤鏈條,但是,由於機車的牽引力很大,如果單靠他的力量,掛鉤中間的鐵栓一輩子也拔不開,就在這時候,只見機車一陣搖晃,鐵栓被震動得跳出來了。
  5. On the other hand, because of the fluctuating load, such as arc furnace and railway traction locomotive, the voltage of the network will frequently fluctuate and lead to voltage flash

    另一方面,現代配電網上用於冶煉的電弧爐和鐵路牽引機車等波動性負荷,會使電網電壓頻繁波動,造成電壓閃變。
  6. The two rails are not only signal lines of track circuits, but also loop current line of locomotive traction current in electrified railway block

    在電氣化鐵路區段,兩條鋼軌既是移頻信號的傳輸線又是機車牽引電流的迴流線。
  7. 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。
  8. 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
  9. The coherence and matching problem between locomotive traction motors

    機車牽引電機一致性問題與匹配
  10. Development of alterable frequency ac traction motor for freight electric locomotive

    貨運電力機車用變頻交流牽引電動機的開發
  11. Abstract : the basic circuit principle of ac drive traction converters is introduced, whose technical characteristics and development process are also described in details combinating the main parameters of traction converters for ac drive locomotives, such as dj electric locomotive, nj1 diesel locomotive and dwa metro engineering machine

    文摘:闡述了交流傳動牽引變流器的基本電路原理,結合國產dj型電力機車、 nj1型內燃機車、 dwa型地鐵工程車等交流傳動機車牽引變流器的主要技術參數,對交流傳動牽引變流器的技術特點及其發展過程作了較為詳細的敘述。
  12. Starting from the development of the chinese railway transportation and its requirement for the locomotive traction performance, the paper analyzed the main parameters of the locomotive such as locomotive horsepower, speed, traction effort, braking force. the traction and dynamic brake calculation of the locomotive has been made here

    論文從中國鐵路運輸的發展對機車的牽引要求入手,對機車功率、速度、牽引力、制動力等主要參數進行了分析論證,進行了機車牽引及制動計算,並分析了機車的起動及加速性能。
  13. Verification regulation of a motion weighing railway track scale non locomotive traction

    非機車牽引動態稱量軌道衡檢定規程
  14. The locomotive has passed the performance test, which indicates that the ac drive system, with high performance, dramatically improves the maintainability of the traction machines and electric apparatus

    性能試驗表明,該車牽引電機、電器的維護工作量大為減少,且牽引性能優良。
  15. Presented are the functions, main technical parameters and constituent components of the ac drive test system for locomotive, composed of locomotive power supply, converter, 3 - axial bogie rolling load test bench, asynchronous traction motor test bench and microprocessor automatic control system

    摘要介紹了集機車供電、變流器、三軸轉向架滾動負載試驗臺、異步牽引電動機試驗臺、微機自動控制於一體的機車交流傳動試驗系統的功能、主要技術參數以及主要設備。
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