load lines 中文意思是什麼

load lines 解釋
載重線
  • 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...
  • lines : (輪船/航空/航運等)公司
  1. We can assume the load dispersion discontinuity lines.

    我們可以假設荷載分佈的突變線。
  2. Hvdc is an abb innovation that transports large power loads over long distances with low losses and minimal environmental impact, requiring just two 500 kilovolt ( kv ) dc power lines to carry the same power load as five alternating current ( ac ) lines

    Hvdc技術是abb的一項創新,在長距離的傳輸中,它傳送大量的電量,而損失很低,而且對環境的影響也達到最小化,只需要兩條500千伏的直流電線就可以運載相當於五條交流電線輸送的電量。
  3. 1966 the international convention on load lines 1966 was signed in london

    《 1966年國際船舶載重線公約》在倫敦簽訂。
  4. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  5. A novel distribution network optimal control approach for load balancing is presented based on the simplified model of distribution system, in which tie switches are regarded as critical elements. the two feeder lines connected with a tie switch are regarded as a feeder couple. load balancing ratios of feeder couples and total distribution network are defined and be used as indice of network reconfiguration, respectively

    提出一種以聯絡開關為核心的用於負荷均衡化的配電網路優化控制方法,將每個聯絡開關對應的兩條饋線看作饋線偶,定義了饋線偶和配電網的負荷均衡率,並以此作為網路優化的評價函數,這樣配電網路重構過程就由若干饋線偶內負荷均衡化過程組成,在此基礎上發展了以負荷均衡化和降低線損為目標的配電網優化方法。
  6. Lateral load distribution factors of three lines railway load on a box girder bridge

    三線鐵路荷載作用下箱梁橋荷載橫向分佈系數
  7. With the destination code analysis, it has been found that the 6975 bureau to the urban volume ( one way ) is 540erl, the 6977 bureau to the urban volume ( one way ) is 480erl, and the 6178 bureau nearly 200erl, plus the urban voice traffic volume of the incoming calls, the 6973 bureau and the 6970 bureau has tandemed the voice traffic volume nearly 1000erl. this has increased the auxiliary tandem office voice load, and at the same time, increased the demand for the trunking lines and has made pressure on the trunk module of the areas and counties

    經目的碼分析, 6975局到市內的話務量(單向)為540erl , 6977局到市內的話務量(單向)為480erl , 6178局到市內的話務量(單向)將近200erl ,再加上市內來話的話務量,使6973局和6970局為其他局轉接的話務量將近1000erl ,大大增加了輔助匯接局轉接的話務負荷,同時,端局到區、縣中心局,區、縣中心局到匯接局的中繼數量需求大,造成了區、縣中心局中繼模塊緊張的狀況。
  8. With the rapid development of the power system, the power grid changes day to day, such as : the number of parallel lines increases greatly, the transmission lines become much longer and the load is much more heavy

    隨著電力系統的迅速發展,電網結構不斷發生變化。同桿並架雙回線路和遠距離重負荷線路將不斷增多,分支線路和多端線路亦將增加。
  9. 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。
  10. When switching the no - load overhead lines by alternating - current high - voltage circuit breaker which is a kind of daily operations in electric power system, over - voltage is probably bringed out and insulating property of the electric devices is breakdowned sometimes, especially, when occuring re - strike. the main purposes that the tests on switching line - charging current are performed in the laboratory are assessing re - strike performance of circuit - breakers. according to the test results, the design of the circuit - breaker is optimized and re - strike performance is improved

    交流高壓斷路器是電力系統中最關鍵最重要的設備之一,斷路器開合空載架空線路是電力系統中常見的操作,操作過程中通常會出現過電壓,對系統絕緣造成威脅,嚴重時會破壞系統的絕緣性能,發生事故,隨著電力系統電壓等級的提高、輸電線路不斷延長及傳輸容量的增大,由操作過電壓引起的絕緣閃絡、設備破壞事故的幾率更加突出。
  11. A simplified analysis method of distribution networks is presented. the voltages and the power on / through both end of the feeder are used to describe the load and its distribution within the feeder line. only field test datas from feeder circuit breakers in substations, switches along the feeder lines and on the loop points are needed to obtain a sactisified analysis result

    提出一種通過饋線兩端的電壓和流過饋線兩端的開關的功率反映饋線上的負荷及其分佈情況的配電網的簡化分析方法,這種方法只需對變電站的出線開關、饋線的分段開關和聯絡開關進行量測,而不必量測饋線上的配電變壓器,就能得到滿意的分析結果。
  12. The devices have many merits. they can sensitively and reliably cut off all the faults occurring in the power system. even under the critical situation, faulting on the long heavy load transmission lines through high ground resistances, the criterion based on fault components still has considerable sensibility

    此裝置的優點是:能夠靈敏、可靠的切除電力系統發生的各種故障,尤其是基於故障分量的差動判據與傳統差動判據相比,在重載線路上發生各種故障,即使是高阻接地時,也具有很好的靈敏性。
  13. If we compensate the pump station with lower power numbers for electric power and electric capacity, we can reduce the current load in the power source and the lines

    對已建成的功率因數偏低的泵站採用電力電容補償,可減少電源和線路的電流負荷。
  14. The math model built into the distribution reliability management system of daqing oil field power system is clear, and the relation among each factor is explicit. this dissertation resolves the questions, which the calculation speediness and the node capability, and breaks through the number limitation of load - points and lines, by making use of special model method and new - found calculation thought. so it is an object - oriented computer management system, and is also a signification attempt in research of distribution system reliability assessment

    大慶油田電網可靠性管理系統所建立的數學模型清晰,各相關因素關系清楚,獨特的建模方法和全新的計算思路,突破了負荷節點數和線路條數的限制,解決了節點容量和運算速度等技術難題,是一個面向工程應用的計算機管理系統,是配電系統可靠性評估領域一個有意義的嘗試。
  15. It has many advantages such as several couples of teeth meshsing simultaneously, double touching lines on each interacting surface, high transmission ratio and heavy load, etc. and it ' s easy to form elastohydrodynamics lubricant film between two interacting surfaces. but this kind worm gear drive is not used widely in china. the reason is that its manufacturing method - dual generating method - is outdated

    但是,由於目前加工該型蝸桿副的方法為對偶法,必須專門加工蝸桿和專用蝸輪滾刀,對于不同參數的蝸桿副蝸輪滾刀不能通用並且在加工中需多次對刀,導致平面二包蝸桿副加工成本高而精度低。
  16. Its rated voltage class includes 40. 5kv, 72. 5kv and 126kv. this product is applied for connecting and disconnecting of hv lines at no load, electrical isolation between inspected hv busbar, circuit breaker and other electrical equipment, and live hv lines, as well as connecting and disconnecting of small capacitance current and inductance current. the new - type hv disconnecting switch can effectively prevent such common problems as overheat in galvanic circle, misoperation and

    該系列產品為三相交流50hz的戶外高壓電器設備,額定電壓等級有33kv 40 . 5kv 72 . 5kv和126kv ,供高壓線路在無負載情況下進行開合,以及對被檢修高壓母線斷路器等電氣設備與帶電的高壓線路進行電氣隔離之用,也可用於開合小的電容或電感電流,並可按用戶要求加裝接地開關。
  17. Its rated voltage class includes 40. 5kv, 72. 5kv and 126kv. this product is applied for connecting and disconnecting of hv lines at no load, electrical isolation between inspected hv busbar, circuit breaker and other electrical equipment, and live hv lines, as well as connecting and disconnecting of small capacitance current and inductance current. the new - type hv disconnecting switch can effectively prevent such common problems as overheat in galvanic circle, misoperation and part rusting

    該系列產品為三相交流50hz的戶外高壓電器設備,額定電壓等級有33kv 40 . 5kv 72 . 5kv和126kv ,供高壓線路在無負載情況下進行開合,以及對被檢修高壓母線斷路器等電氣設備與帶電的高壓線路進行電氣隔離之用,也可用於開合小的電容或電感電流,並可按用戶要求加裝接地開關。
  18. Cbsa ( curved box girder structural analysis ) is programmed by this method in the environment of visual basic 6. 0 and it has friendly interface and visual forms for data input. it can analyze the loads including deadweight, prestressing force and temperature in curved box girder, output influence lines and load dynamically to calculate deformation and internal force

    該程序採用visualbasic6 . 0編寫,具有友好的界面,可視化的數據輸入窗口,可以對彎箱梁橋的自重、預應力及溫度荷載等進行分析,並可輸出影響線,對彎梁進行動態加載,求解活載內力及變形。
  19. The still further analysis in connection with several actual examples reveals that the method can fairly accurately identify the numbers, sizes and action positions of the passing vehicles on the bridge in the state of sparse traffic volume, and can derive load under multiple vehicle action within the influential lines

    結合實例的分析表明該方法能夠較精確識別稀疏交通狀態下車輛數量、大小、作用位置,並能推求影響線內多車作用下的荷載。
  20. Only the future load of supply area is ascertained that the strategic variables including the substation location and capacity electric lines " route and style switchers " setting up and time when to bring into service can be forecasted

    只有確定了配電網供電區域內各小區的未來負荷,才能對變電站的位置、容量,線路的路徑、型號,開關設備的裝設及其投入時間等決策變量進行規劃。
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