power supply line 中文意思是什麼

power supply line 解釋
供電線路
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • supply : vt ( plied) 供給;供應;配給;補充,填補,彌補(不足、損失等)。 Cows supply us (with) milk ...
  • line : n 1 線;繩索;釣絲;測深度用繩,捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  1. After analyzing several kinds of protection for feeder line in subway dc traction power supply system, it is pointed out in the paper that the phenomena of refusing action and error action can not be avoided with existing protection which can not protect the whole feeder line

    摘要分析了地鐵直流牽引供電系統中幾種常用的饋線保護類型,發現現有的保護方法很難避免跳閘保護拒動或誤動現象的發生,並且不能保護饋線的全長。
  2. The alteration of city and country power system will bring the power supply ability to a new level. especially, the widely use of power cable cause the capacitance to earth doubled, and a cutoff of some lateral line has comparatively larger effect

    隨之而來的是電網對地電容的增大,特別是城網改造中電力電纜的廣泛應用,使電網的對地電容成倍增加,切除某一支路對整個電網的對地電容影響比較大。
  3. After expounding the power supply and current collection modes of the rolling stock in shanghai umt pearl line in terms of technology and economy, the author argues that two current collection modes shall be adopted for shanghai umt pearl line, i. e. a third rail collector be on skybridge while the overhead contact line on the ground

    摘要闡述了城市軌道交通車輛供電受流方式的特點,並從技術和經濟兩方面對上海明珠線車輛供電受流方式進行了探討,提出了明珠線車輛應採用雙受流方式,即高架橋上採用接觸軌受流器受電,地面採用架空接觸網受電弓受電。
  4. Therefore, in december 2000 the bureau of transportation of taipei city government completed a feasibility study for an lrt system in the taipei shin - yi district. this study recommended the adoption of an lrt system with a standard track gauge, power supply from overhead wires, two or three cars per train, a length of 90m for platforms, a certificate system for fare payment, consideration of the possibility of using electronic sensor ticketing systems, type b right - of - way for at grade sections, and signaling control for passing priority at the intersections. the study also proposed an initial lrt line of 9. 6 kilometers in length with 9 stations

    現代化輕軌運輸系統之運輸效能已較電車系統大幅提升,以一般採用b型路權為主,少部分a與c型路權之系統而言,每小時單向運能達到5 , 000至15 , 000人次,介乎高運量捷運與公車系統之間,適合擔負都會地區市郊與市中心區的聯絡路線、市中心區集散路線、鐵路與捷運系統接駁路線、都市周邊環狀線、特定區間(新市鎮)聯絡線、都會區次要運輸走廊運輸主軸等服務類型。
  5. Because the monitoring of electricity equipment is still in the condition of traditional prophylactic test ( monitoring off line ), wordage list and management method of handwork operation, to strengthen the real - time monitoring of the operation state of electricity equipment ( monitoring on line ), find out the anomaly of equipment, monitor and analysis the fault, then take a corresponding measures to lower the fault loss so that we can make the transition between the regulations of periodic repairing equipment and the regulations of reasonable state repair, is the work which the department of power supply and operation make much of

    針對對現有電氣設備的監測大都還處于傳統的預防性試驗(離線監測) 、文字報表、手工操作的管理方式的現狀,加強對電力設備的運行狀態進行實時的監測(在線監測) ,及時發現設備的異常徵兆、對故障進行診斷分析,並採取相應措施,把故障損失降低到最低水平,進而將目前實行的設備定期檢修制過渡到更為合理的狀態檢修制,一直是供電和運行部門十分重視的工作。
  6. Company now have independence develop ten many china patent and many independence intellectual property ' s software copyright ' s product ; company major product : cable television consumer management control system ( but look for address 2 - 8 branches allot style, 8 - 32 gather line style ) ; shoot frequently plus unfasten harass system ( crowd plus crowd unfasten, cent two sections, point channel shan unfasten ) ; video frequency number subsections plus unfasten harass system ; cable television network burglarproof sow system ; number cable television product is with number mmds ( microwave ) systematically ; general purpose type prevent thunder supply electric appliances, shoot frequently automate supply electric appliances, but look for address control supply electric appliances ; power supply prevents thunder protection product ; pass flow branch, dispenser, split utensil, cavernous wave utensil, power supply inserts utensil, but transfer attenuator, but transfer equalizer wait for

    目前擁有十多項中國專利和多個自主知識產權的軟體版權的產品;公司主要產品:有線電視用戶管理控制系統(可尋址2 - 8戶分支分配式、 8 - 32戶集線式) ;射頻加解擾系統(群加群解、分兩段、按頻道單解) ;視頻數字分段加解擾系統;有線電視網路防盜播系統;數字有線電視產品與數字mmds (微波)系統;通用型防雷供電器,射頻自動控制供電器,可尋址控制供電器;電源防雷保護產品;過流分支、分配器,分流器、陷波器、電源插入器,衰減器、均衡器等。
  7. The paper analyzed the existing problems of common wires used as underground transmisson line of power supply and signal of monitoring and alarming, and put forward a new type of transmission wire based on plastic

    摘要文章分析了井下供電電源和監控告警信號傳輸線路常用導線存在的問題,提出了一種基於塑料的新型傳輸線。
  8. Application cover power supply, telecom, fiber optics, iindustrial control, auto, consumer electronics. our advanced capabilities can achieve a maximum layer count of 20, minimum mechanical hole of 0. 15mm and minimum line width space of 3mil 0. 075mm

    生產最多層數20層最小孔徑0 . 15毫米,線寬線隙最細3mil 0 . 075mm ,並有盲孔埋孔板生產能力。
  9. Summarized no - line loads and the present situations of the electric power harmonic pollution in the guangyuan district ' s electric power supply system ; explained the theories of fourier transformation and the fast fourier transformation those are widely adopted by majority scholars to examine and analyze the electric power harmonic in the electric power supply system. summarized the principle of even sample, the frequency mix phenomenon, the window functions and the frequency leaking as so on, those are closely - related to the figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論,簡要闡明了與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論,同時闡述了電力系統的諧波檢測與分析的相關理論基礎知識。
  10. The main station software functiona is complete, divide into six function modules which is parameters setup, remote collection, data enquiries, the line loss analysis, data maintenance and system management, each unction module contains some sub - function windows, achieved roundly monitoring in the power supply and power utilization system

    主站軟體功能齊全,分為參數設置、遠程採集、數據查詢、線損分析、數據維護、系統管理等六大功能模塊,每個功能模塊下面包含若干子功能窗口,全面實現供用電系統監測。
  11. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。
  12. These new methods adopt the circuit information contained in the power supply line current to realize the fault diagnosis. it can increase the fault coverage, reduce testing cost and improve the quality and reliability of ics

    它通過從電源電流信號中提取有效的信息來進行故障診斷,能夠提高故障覆蓋率,降低測試成本並提高集成電路產品的質量與可靠性。
  13. The conventional switching power supply usually use a diode rectifier followed by a bulk capacitor to convert ac voltage to dc voltage, resulting in the pulsating waveform of the input ac line current, low power factor ( generally 0. 65 ) and high harmonic line current

    傳統的開關電源設備通常採用二極體橋來進行整流和一個較大的電解電容來進行濾波以實現輸入電壓的交直流轉換,導致輸入電流為一個很窄的脈沖波並含有較多的諧波分量,功率因數變低(通常只有0 . 65 ) 。
  14. Line loss rate is an important synthetic indicator that reflects the energy consumption management level of power supply enterprises

    摘要線損率是供電企業的一項重要綜合性技術經濟指標,它集中反映了供電企業的能耗管理水平。
  15. The plant has its own water supply system with the capacity of 150 tons per hour. there is a 10kv power supply line and transforms with the total capacity of 8459kva

    工廠用水自給有深水井及泵房三套供水能力150噸時,工廠有10kv城市輸送線,全廠變壓器總容量8495kva 。
  16. In the reform of the power grid of north mining bureau, the active power line conditioner was used for meeting with the requirement of power supply quality and the requirements of voltage changing and sensitive load in power transmission

    摘要為滿足礦務局供電電能質量的要求和電能傳輸中的電壓變化和敏感負載的需求,在礦務局北網電網改造中採用了有源電力調節器。
  17. The ability of power network maintaining its power supply reliability and quality is restricted by power network structure, line and load characteristics, generator drive device characteristics and relay protection mechanism

    電力網路維持其供電可靠性及電能質量的能力是受電網結構、線路和負荷特性、發電機動力設備特性以及繼電保護機制等因素影響的。
  18. This project makes some researches with emphasis on the mv / lv distribution power supply situation under the present load condition. some results such as the calculation of line load rate, theoretical line consumption rate and electric voltage decrease are acquired by the mathematical analysis, and thus the power supply capability is evaluated comprehensively. the same has been done to the lv power network

    課題在系統搜集分析蘇州供電企業的背景資料,即企業概況、電力需求、輸電網、高壓配電網狀況基礎上,重點研究了當前負荷下的中低壓配電網供電情況,並通過數學分析得出線路的負載率的計算、理論線損率以及電壓降等各項運行指標,綜合評估得出其供電能力。
  19. On the basis of the principle of the above, it designs and develops the integration system of the power supply line design and the project preliminary budget, and puts forward the design and optimization technology of oracle database among them

    基於以上的原理,設計和開發了供電線路設計與工程概預算一體化系統,其中提出了oracle數據庫的設計與優化技術。
  20. This paper analyzes the existing problems about the software of the power supply line design and the project preliminary budget at present. it brings forward a kind of new design method of software based on mode of network that can make them integrated effectively and perfectly

    本文分析了當前供電線路設計與工程概預算軟體所存在的問題,提出了一種新的基於網路模式的,兩者有效、完美地集成一體化的軟體設計方法。
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