長輸電線路 的英文怎麼說

中文拼音 [zhǎngshūdiànxiànlù]
長輸電線路 英文
long power transmission line
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 輸電 : transmission; transmit electricity輸電導線 transmission conductor; 輸電量 transmission capacity; ...
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  1. In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis

    論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量，導出了超高壓長線的波阻抗和傳播常數的數學解析式，在此基礎上進行了500kv輸電線路實時參數計算；提出以三繞組自耦變壓器的電流、電壓、功率為輸入量，導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算；在此基礎上編制了相應的軟體。
  2. Using loading coils properly spaced in the line, the transmission distance for telephone reaches from new york to denver

    在電話線路中的適當位置使用加感線圈，從而延長了電話傳輸距離，實現了紐約到丹佛的有線通信。
  3. Wireless induction communication method is based on electromagnetic induction principle, using the electromagnetic coupling to transmit data between the train and ground. this communication system can cover a long rail and it is easy to maintain and fix

    無線感應通信是基於電磁感應原理，利用電磁耦合完成車輛與地面雙向數據傳輸的一種通信方式，具有傳輸損耗小、覆蓋線路長、架設方便、易於維護等優點。
  4. Application of cad in length calculation of overhead transmission line

    在架空輸電線路線長計算中的應用
  5. In view of the rapid development of electric undertaking and a sharp increase of steel products consumption, the state development planning commission, the former state water resources and hydropower ministry and state energy ministry have been urging that the building of steel towers should be strictly controlled in the construction of transformer substations ; and warning that the need of the present 500kv power transmission and transformer trusses can hardly be satisfied by ordinary steel and concrete electric poles or prestressed concrete poles, which have endangered the operation and longevity of the high voltage transmitting line due to the common problem of cracks by gravity

    隨著電力工業建設的迅速發展，鋼材的用量急劇增長，為此，國家計委，原水電部和能源部一再強調在輸變電工程建設中，應從嚴掌握自立式鐵塔的建設。然而，一般的鋼筋混凝土電桿或與預應力混凝土電桿，較普遍地存在著縱向裂縫問題，嚴重影響了高壓輸電線路的安全運行及其使用壽命，已不能適應高壓輸電桿塔和變電構架的要求。
  6. High voltage is the best way to transmit power ( the higher the voltage, the smaller the loss ), but high voltage is not usually what the user wants

    但是由於交流輸電線路在長距離輸電的情況下損耗太大，時至今日「全歐聯網系統」仍未建成。
  7. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制器（ upfc ）是功能最強、最具發展潛力的靈活交流輸電系統（ facts ）控制器之一，如果在常規條件下，用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能，在發生單相永久性接地或單相斷路故障時，由傳統的三相跳閘改為單相跳閘，用upfc的並補來濾除兩端系統的零序和負序電流，用upfc的串補來提高輸電線的傳輸功率，以實現兩相長期運行，那麼輸電系統的穩定性、可靠性將大大提高。
  8. Over the transfer network, which serves as a common transfer platform for different telecommunications services, the growth of services, including voice, data, multimedia, leased lines and broadband service, and the development of the support networks such as the signaling network, the clock transfer network and the nm liaison network have made demand for transmission circuits

    傳送網作為各種電信業務的公共傳送平臺，包括話音、數據和多媒體、專線、寬帶業務等在內的各類業務的增長，以及信令、時鐘傳送、網管聯絡等支撐網的增長，均對傳輸電路提出需求。
  9. Based on the comprehensive analysis of the application status and the existed problems of transmission line fault location, this dissertation presented a new algorithm for fault location based on two - terminal asynchronous data, which can make correction for the integrate error of line parameter, length of transmission line, sampling value and so on. at the same time, it can work out the two - terminal asynchronous phase angle with the corrected parameters

    本論文在充分分析了國內外故障測距的理論與技術以及存在的問題后，針對輸電線路故障定位因線路參數變化對定位準確度的影響，提出了能夠對線路的參數、長度和采樣值等誤差等進行綜合誤差修正（ cie ）的新演算法，並利用修正後的參數來求解兩端的不同步相角差。
  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. Long power transmission line

    長輸電線路
  12. Especially, the relay protective settings of transmission line are greatly affected by network parameters and framework changing resulted from operational mode of system and the examining and repairing of equipment. so it makes the calculation of relay protective settings more complicated and the more repeated computation work and lasts more time, while the best plan ca n ' t always be achieved

    尤其輸電線路保護整定值受系統運行方式、設備檢修等導致的網路參數和結構變化影響較大，使得其整定計算更加復雜繁瑣，重復計算工作量非常大，耗時較長，而且還不一定能夠得到最優方案。
  13. This thesis analyzes the influence of line length and parameters changing on fault location results. lots of simulation results show the error of line length and parameters can cause the great locating error

    本文分析了輸電線路長度和參數的不準確對故障定位結果的影響，由大量模擬分析發現，線路長度和參數誤差會導致極大的測距誤差。
  14. When their value increase, the line - surge arrester " action weakens. on the basis of calculation, we fix line - surge arrester on 110kv shuang - han line

    接地電阻增大，線路檔距加長，線路型避雷器對輸電線路耐雷水平提高的作用減弱。
  15. When their value increase, the line - surge arrester " action weakens. on the basis of calculation, we fix line - surge arrester on 110kv shuang - han transmission line and shuang - hai transmission line

    接地電阻增大，線路檔距加長，線路型避雷器對輸電線路耐雷水平提高的作用減弱。
  16. When their value increase, the line - surge arrester " action weakens. on the basis of calculation, we fi line - surge arrester on 110kv kang - ping transmission line and 220kv da - an transmission line

    接地電阻增大，線路檔距加長，線路型避雷器對輸電線路耐雷水平提高的作用減弱。
  17. There has been established an all enveloping transmission network of broad - band information with big - capacity optic fiber, digital micro - wave, cable and broadcast tv. long distance telephone calls can reach 1, 800 cities in the country and practically all places in the world

    全市已形成大容量光纖、數字微波、有線和無線全面覆蓋的寬帶信息通訊立體傳輸網路，長途電話可直撥世界各地和國內1800多個城市。
  18. New carbon - core aluminum wires can be stretched more tautly than conventional copper wires and so can carry perhaps three times as much current before sagging below safe heights

    新型的碳核心鋁質線路能拉得比傳統銅質線路更長，在安全垂掛高度內可傳輸的電流大約為以往的三倍。
  19. Studies on protection of extra high voltage transmission line based on discrete long line equation and power balance

    基於離散化長線方程的超高壓輸電線路功率平衡法保護研究
  20. The key of the method is that it takes a changing distance of the transmission line as a constant horizontal distance between poles, and all of the influential factors come down to the variation of the parameters of transmission line. the algorithm and technique proposed is simple in form, easy in process, and need no more new hardware. it is of great value for the two - terminal or multi - terminal location of all kinds of transmission line

    本文提出的輸電線路參數在線估計演算法和技術的核心內容是取變化的線路長度為固定的桿塔間的水平距離，而把所有影響線路參數變化的因素當作一個整體，全部歸為參數的變化，這種線路參數在線估計演算法和技術具有演算法簡單、實現容易的優點，且不需要再增加新的硬體投入。
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