traction load 中文意思是什麼

traction load 解釋
牽引負荷
  • 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...
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  1. The load characteristics of the traction power supply system are illustrated for the electrified railways

    摘要闡述了電氣化鐵路牽引供電系統的負荷特性。
  2. As the experiment results show, multiple reasons led to the offset of oscillating frequency, including diode ’ s nonlinear characteristic, fluctuation of electrical source voltage, traction of load impedance, change of environmental temperature and humidity and the design of circuit

    實驗結果表明多種因素引起了振蕩頻率的偏移,包括二極體的非線性、電源電壓的波動、負載的牽引、環境溫度濕度變化以及電路板設計方面的因素等。
  3. Analysis on power supply mode of electric traction system and the effects of traction load on the quality of electric energy

    電力牽引系統供電方式及其負荷對電能質量影響的分析研究
  4. At present, the electrical railway traction load in our country has great influence on power factor, negative sequence and hypo _ harmonics

    電力牽引負荷對電力系統的影響主要反映在功率因數、負序及高次諧波。
  5. 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。
  6. At present, low power factor, abundant harmonics and negative sequence are the three main characters of electrical railway traction load

    功率因數低、諧波含量大和不對稱性是現代電力牽引負荷的三大技術特點。
  7. It satisfies the requirements of china standard ( gb / t 14549 - 93 ), the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation. this thesis mainly analyzes the effects on the electric elements, feeding system losses, protection system and automatic device, and proposes corresponding schemes according to the problems occurring in si yan qiao substation

    本文實測了瀘州石燕橋變電站電氣化鐵路牽引負荷注入電網的諧波和負序分量,著重分析了電力系統中電氣設備、供電網線損、繼電保護和自動裝置受電氣化鐵路諧波和負序的影響,並針對石燕橋變電站出現的問題提出了對策。
  8. 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。
  9. The characters of traction power supply system and the problems of routine designs in the electrify railroads are described in chapter two where two main methods of optimize design in former traction power supply systems are emphasized, which realize the optimize methods of traction power supply system by using network multiple address selecting technique, and based on traction load along line distributing function, furthermore construct the optimization mathematical model ' s optimize method of traction power supply system by means of mathematical planning method ' s application

    優化設計是近年來發展起來的一項新技術,已經在工程設計的一些領域中得到了廣泛應用。本文通過對優化設計技術在電氣化鐵路牽引供電系統應用這一課題進行研究,以期為牽引供電系統在實際工程設計中提供一種新的使用方法。通過分析電氣化鐵路牽引供電系統的特點和常規設計中存在的問題,闡述了牽引供電系統優化設計的兩種主要方法。
  10. Based on slip frequency control strategy for the mutual - feed test bed, it is studied the regulation of traction motor speed as well as the analog load resistance torque with analog load

    摘要針對互饋試驗臺,基於轉差頻率控制策略,研究了牽引電機側速度的調節和負載模擬側阻力矩的調節。
  11. In this thesis, according to rules of intensity design for standard gauge freight wagons, the major difference between the standard gauge and the meter - gauge was analyzed. especially, the longitudinal load is researched, and simulation programs are designed, the maximal longitudinal force between couplers is calculated in the situations of traction and brake. and based on the application situations of kunming railway bureau, the specification for the intensity design and accreditation test about the meter - gauge freight car is established

    本論文根據準軌貨車強度設計標準,對準軌、米軌差異較大部分,特別針對其縱向載荷進行了研究計算,編制了計算機模擬程序,求解了米軌貨物列車在牽引、制動等工況下車鉤間的最大縱向作用力,並結合昆明鐵路局米軌線路的實際運用情況,制定出了米軌貨車強度設計與試驗鑒定準則。
  12. 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。
  13. Powered industrial trucks ; tractors and other trucks used for hauling trailers ; traction force, trailer load

    工業用動力卡車.拖掛車的牽引拖拉機及其它卡車.拉力
  14. Research and experimental method of load test set of qys - 11 type mine traction device

    型礦用牽引部加載試驗臺的研製及其試驗方法
  15. Considering the random fluctuation traction load ( from 0 to max, variable at every minute ), the life limit of all kinds of machine switches and expensive cost and complex overhaul of svc, this paper aims to develop a set of svc suitable for the present condition of our country. in order to resolve the reactive power returning back problem and realize static adjustable compensation to improve negative sequence

    本文針對電氣化負荷變化頻繁、 svc價格昂貴及檢修復雜、機械開關無法擔負頻繁操作任務的現實,提出通過改造svc結構,把tcr改為tsr ,把tsc實現粗調、 tcr實現細調改為由tsc調節欠補無功、 tsr調節過補無功的技術方案。
  16. Fristly, according to the non - linear characteristics of twelve - phase rectifier, the thesis gives the calculation model for a short circuit in the subway traction power supply networks which provides the academic foundation for the design of the setting values and the simulation of protection. secondly, the thesis designs the dc feeder protection and control of subway, and gives the principle of setting accordingly, after it analysizes the characteristics of electric current under tow load and short circuit and considers severel factors. to validate the rationality of the design, the thesis simulates the transient electric current under two work conditions ( starting and passing the insulation ) ahd short circuit

    其次,本文在詳細分析地鐵牽引負荷電流和饋線短路故障電流特點的基礎上,考慮了直流保護系統設計應注意的幾個因素,對地鐵饋線保護與控制進行配置,給出了相應的保護整定原則,並針對某一地鐵供電系統在詳細分析了兩種工況(機車起動與過分段絕緣)的電流暫態過程,得到了電流計算的數字模型,結合前面提出的短路模型,進行了地鐵饋線保護的模擬,經模擬表明本文的保護設計是合理的。
  17. Aerospace series. tests on braided articles. determination of the breaking load under traction at 2 3 extension

    航空航天系列.編織件的試驗. 2 3牽引拉力下斷裂負載的測定
  18. 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。
分享友人