輸電線路保護 的英文怎麼說

中文拼音 [shūdiànxiànlùbǎohù]
輸電線路保護 英文
line protection
  • 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...
  • 保 : Ⅰ動詞1 （保衛; 保護） defend; protect 2 （保持） keep; preserve; maintain in good condition 3 （...
  • 護 : 動詞1. （保護; 保衛） protect; guard; shield 2. （袒護;包庇） be partial to; shield from censure
  • 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. Exchange non - clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard, vacuum switch etc

    交流無間隙金屬氧化物避雷器，適用於變壓器、配電屏、開關櫃、真空開關、輸電線路、電力計量箱、並聯補償電容器、旋轉電機等電壓保護。
  2. Protection and control of uhvac power transmission line

    特高壓交流輸電線路的保護與控制
  3. Uitra - high voltage transmission line distance protection equipment

    超高壓輸電線路距離保護裝置
  4. Distance protection, which works as main protection of transmission line, is an essential protection type

    距離保護作為電力系統重要元件之一（輸電線路）的主保護，是一種十分重要的保護類型。
  5. 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。
  6. Abstract : in this paper, the setting scheme of the current differential protection based on sampled values using fault component is investigated. the setting schemes of the resistance coefficient and the least trip differential current are discussed in detail. the probable protection setting values for the hv transmission lines are described. it testifies the feasibility for the applications of the protection to the hv transmission lines

    文摘:對基於故障分量的采樣值電流差動保護制動特性曲線的整定方法進行了研究，詳細討論了其制動系數和最小動作電流的整定方法，同時對該保護在輸電線路中的應用進行了初步的估算，說明了該保護的優異性能。
  7. Lightning protection of ac 1 000 kv uhv transmission line

    交流特高壓輸電線路的防雷保護
  8. Applying relative arithmetic to all kinds of faults and calculating off - line, we can master time - distance relation chart for all kinds of faults. computation indicates : when transmission lines occur faults, the data window of protection algorithm consisting of prefault and postfault data at the same time has important significance. the following methods are useful to achieve the inverse time characteristic : calculating impedance by using flourier in a full cycle, calculating work voltage by using fault component, calculating the torque created by a phase comparator or a magnitude comparator

    實際的計算表明：輸電線路發生故障后，用故障前後的數據同時充滿保護演算法的數據窗，對于快速切除近區故障具有很重要的意義；同時利用故障前後的數據，下述方法可以比較好地實現距離保護的反時限特性：直接用全周傅里葉演算法進行阻抗計算；採用工頻變化量阻抗繼電器進行工作電壓的計算；採用轉矩的思想進行轉矩的計算。
  9. Random failures of generator, transformer, transmission line, protection system and topology of both power station and power network are constructed

    根據元件故障的概率分佈，建立靜態安全分析中發電機、變壓器、輸電線路、保護系統的隨機故障模型。
  10. In order to avoid the ehv system disaster caused by reclosing on the permanent fault of transmission line, adaptive autoreclosure based on microprocessor - based protection arises at the historic moment, but is still in the stage of theory study

    為了避免超高壓輸電線路採用自動重合閘時重合於永久性故障所造成系統穩定破壞等重大系統災難，在微機保護的基礎上，自適應重合閘應運而生，但尚處于理論探索階段。
  11. In probabilistic dynamic security assessment, probabilistic transient stability " is mainly discussed. detailed models of transmission line, protection system and emergency control measures are added to step - by - step transient stability programs

    首先建立動態模擬中輸電線路和保護系統的詳細模型，建立了基於時域模擬的暫態穩定模型，以及各種緊急控制措施模型。
  12. In high voltage power transmission line, in order to ensure power system juxtaposition operation ' stability and bump feeding power up against, at a great many instance, without delay from line ' s terminal excision by the protected line interior fault

    在高壓輸電線路上，為了保證電力系統並列運行的穩定性和提高輸送功率，在很多情況下都要求無延時地從線路兩端切除被保護線路內部的故障。
  13. Lead the team to do the research on electro - magnetic transient overvoltage calculation and insulation coordination of power system, lightning overvoltage calculation of substations and transmission lines, protection, operation and test of arresters, overvoltage limiter and other lightning protection equipment

    帶領團隊從事電力系統電磁暫態過電壓計算及系統絕緣配合研究，變電站和輸電線路雷電過電壓計算及防護技術研究，避雷器及過電壓限制器等防雷保護設備的運行技術和試驗技術研究等。
  14. So it is very important to investigate the inverse time characteristic of microprocessor distance protection. this paper emulates all kinds of faults of transmission lines by using emtp, and gets relative current and voltage sample values. then many distance protection thoughts and algorithms are adopted to compare each inverse time characteristic, better arithmetic and set thoughts are got

    本論文應用emtp進行輸電線路各種故障情況的模擬，采樣取得保護相關的電壓、電流數據；採用各種距離保護思想、演算法，採用c語言進行計算，比較各自的時限特性，得出反時限特性比較好的演算法及其整定思路；對于各種故障情況，應用相關整定思路進行離線計算，得出各種原理的時間距離特性。
  15. The reliability of hv / ehv transmission line protection is important to the security of the power system. this thesis is devoted in the study of the transient current protection for hv / ehv transmission line

    探索新的保護原理和方法，以提高輸電線路保護的性能，是繼電保護研究領域中的一個重要課題。
  16. 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。
  17. Protective relay applications to transmission lines

    傳輸線路保護繼電器的應用
  18. Guide for protective relay application to transmission lines

    傳輸線路保護繼電器應用指南
  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. 220kv or above voltage transmission lines usual adopt double protective disposition ; each has its own independent ac and dc system to control different breaker

    220kv及以上電壓等級的輸電線路的保護配置一般採用雙重配置；由兩套交、直流輸入輸出迴路相互獨立，並分別控制不同斷路器的保護裝置進行保護。
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