牽引負荷 的英文怎麼說

中文拼音 [qiānyǐn]
牽引負荷 英文
traction load
  • : Ⅰ動詞1 (拉) lead along (by holding the hand the halter etc ); pull 2 (牽涉) involve; implic...
  • : Ⅰ動詞1 (牽引; 拉) draw; stretch 2 (引導) lead; guide 3 (離開) leave 4 (伸著) stretch 5 (...
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : 荷名詞(蓮) lotus
  • 牽引 : 1 (拉) tow; drag; draw; haul; pull; draft 2 [中醫] traction; 牽引車 [機械工程] drafter; tractor...
  • 負荷 : [電學] load; charge; weight
  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供電系統的特性。
  2. It is discussed that the present harmonic analyzers do n ' t satisfy the requirements of china standard for harmonic measure of quick disturbance harmonic load. the measurement error brought about by the harmonic analyzers adopting ft or fft algorithm is analyzed. a cycle discrete fourier algorithm that should n ' t be effected by aperiodic component is presented, and the results of simulation show that it has higher accureacy

    本文對電力系統諧波的測量方法,數據處理及電力牽引負荷對電力系統的影響進行了研究,論述了目前國內外生產的諧波分析儀用於快速波動諧波的測量不滿足國標的要求,分析了諧波分析儀普遍採用的ft或fft演算法所產生的測量誤差,提出了一種不受非周期分量影響的全周波離散傅里葉演算法,模擬結果表明精度好。
  3. Analysis on power supply mode of electric traction system and the effects of traction load on the quality of electric energy

    電力系統供電方式及其對電能質量影響的分析研究
  4. During it consumes electric power, feeds back a great amount of high order harmonic to energy supply system and jeopardizes the electric power quality

    電氣機車為單相整流,它在消耗電能的同時向供電系統注入了大量的高次諧波。
  5. The power supply & transmit electricity system in guangyuan fulfilled the role of supplying main power to guangyuan city. while the harmonic occurred is very serious and it has not been restrainted. the main harmonic sources are two loads : aluminium electrolysed load and electrized locomotive load

    廣元電力網主要擔著廣元市、縣工農業及人民日常生活用電任務,但其諧波極其嚴重,並且沒有進行治理,其主要諧波源為電解鋁整流和電氣機車牽引負荷
  6. 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、序及高次諧波。
  7. On the basis of former research, drawing software neharpal. 0 is developed to analyze the negative phase sequence and harmonic of electric traction loads. neharpal

    在既有成果的基礎上,開發了一套主要應用於電氣化鐵道牽引負荷序、諧波滲透分析的電網圖形系統模擬軟體neharpa1 . 0 。
  8. Now the affect and the measure of hypo _ harmonics is in the research. the influence of negative sequence is almost eliminated along with the enlargement of the system ' s capacity and the alternate connection of traction substations. the fixed parallel compensate equipment applied in traction substations consist of a constant capacitor and a constant inductance, so its output is constant

    序電流的問題已經因系統容量的增大、變電所採用輪換接線方式而基本解決,電力部門實行的「反轉正計」 ,使採用對無功功率固定補償方式由於牽引負荷變化頻繁而出現補償容量不足或過補償現象,難以達到滿意效果。
  9. Fed up with life and the way things are going, he decides to rob a liquor store. ( " i can t take this no more, i can t take it no more homes " )

    最怕聽那首情歌內心有如刀割昨日情難舍舊夢難還我愛情的顏色不再有苦澀不再有苛責解脫總在這一刻
  10. 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,其中的湯線是專為變電站供電的110kv線路。由於電力機車屬于大功率的非線性,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序電流。
  11. This equipment is not satisfied with the requestment of reactive power and the improvement of power factor

    研製一種適應牽引負荷特點的新型綜合補償裝置具有重要的經濟意義。
  12. 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。
  13. Many experts and researchers have made great efforts in a long time. this paper is from the study of theory, analysis the particularity of electrical tractor loads

    本文從理論探討的角度出發,深入了解了國內外對電系統多諧波源隨機諧波電流疊加問題的動態,分析了電牽引負荷諧波的分佈特性。
  14. 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序的影響,並針對石燕橋變電站出現的問題提出了對策。
  15. As a result, this paper gives a corresponding harmonic prevent me asure. finally, according to the asymmetrical characteristics of electrical traction loads, this paper studies the negative sequence currents under different loads and makes a piece of advice for reducing the negative sequence currents produced

    最後,還根據電力牽引負荷三相不對稱的特點,分析了阻抗匹配平衡變壓器在不同條件下的序電流,對如何減小電力牽引負荷序電流提出了一點建議。
  16. It is necessary to study the mechanism of harmonics generation, make sure the content and distribute of harmonics current in order to alleviate their harm to traction power system ' s component, equipments of protect and measure as well as other customer ' s electronics equipments

    為了從根本上抑制電力牽引負荷諧波帶來的影響,削弱諧波對供電系統主元件、保護測控裝置和其他用戶電子設備的影響,有必要研究電氣化鐵道諧波產生的機理,確定饋線電流諧波的含量與分佈狀況。
  17. On the exhibition of northeast asian new and high technology and product 2004, the vice mayor of shenyang city wang ying introduced to the attendances that on the schedule of shenyang city revolution and opening up ten fields can offer good cooperation opportunities to the other countries and areas of domestic enterprises, the complete automobile and spare parts manufacturing is one of this fields. shenyang automobile industry has special features also has the most brands in our country, such shenyang is also the deeply degree of opening up, bmw of germen, ge of american, hino of japan

    專業人士表示,後置后驅車輛的重量集中於汽車的後部,發動機距驅動軸很近,因而驅動輪大,啟動加速時力大,且傳動效率高,燃油經濟性好發動機等主要部件後置有利於車身內部布置,車廂內的面積利用率高,且易於將發動機與車廂隔開,減少車廂內的振動和噪聲,乘坐舒適性良好。
  18. Article 44 the competent department in charge of electric power shall guarantee the power supply for railway traction and critical loads arising in railway operation

    第四十四條電力主管部門應當保證鐵路用電以及鐵路運營用電中重要的電力供應。
  19. 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。針對湯陰變電站的變壓器,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。
  20. 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。
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