縱差保護 的英文怎麼說

中文拼音 [zōngchābǎohù]
縱差保護 英文
longitudinal differectial protection
  • 縱 : Ⅰ動詞1 （釋放; 放走） release; set free; let go 2 （放任; 不約束） indulge; give oneself up to; l...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 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
  1. A common mistake and its harm in ct secondary connection of transformer differential protection were analyzed, the correct connection mode was explaned, and how to use the hexagon vector diagram of checking was introduced

    摘要分析了一種常見的變壓器縱差保護電流互感器錯誤接線及其危害，說明了正確接線方式，並介紹了如何通過作六角圖來檢查縱差保護二次接線的正誤。
  2. 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。
  3. The thesis is focus on the research of the optical - fiber differential current protection that can adapt to the rapidly changing power grid. it mainly contains the following four parts : ( 1 ) theoretical analysis of some operation criterions and some factors that influence the operation of the differential protection. ( 2 ) simulation of a 500kv transmission line using emtp software

    其主要內容是： （ 1 ）對影響差動保護靈敏度的各種因素和不同的電流差動保護判據進行了理論分析； （ 2 ）用emtp模擬軟體對差動判據進行了數據模擬，並用matlab對輸出結果進行了詳細的可視化分析； （ 3 ）分析、比較了國內外縱差保護的數據采樣同步方法； （ 4 ）對判據進行了實際的編程實現和動模模擬。
  4. A new method for the design of the fiber - optical digital interface in current differential protection

    光纖縱差保護裝置中光纖數字介面的設計新方法
  5. Data synchronization for current differential protection based on optical fiber channel for ehv amp; uhv long transmission line

    特高壓長線路光纖縱差保護數據同步
  6. Data synchronization for current differential protection based on optical fiber channel for ehv amp; amp; uhv long transmission line

    特高壓長線路光纖縱差保護數據同步
  7. Application of fiber current differential relays in electrical power system of shanxi wanjiazhai yellow river diversion project

    光纖電流縱差保護在引黃工程供電系統中的應用
  8. The method is significant to the domestic study on current differential protection using optical fiber communication channel of subway line or short distance line

    該方法對我國自行研製地鐵線路或短線路光纖縱差保護有一定的參考意義。
  9. The development, function and requirement of subway substation automation system were briefly introduced in this thesis. the principle and calculating method of current differential protection was analyzed in detail. and the synchronized data - sampling methods used in this protection were analyzed

    本文簡要介紹了地鐵變電站自動化系統的發展概況及其功能要求，詳細分析了電流縱差保護的原理和計算方法，並對比分析了光纖電流縱差保護的各種數據同步方法。
  10. Longitudinal differential protection

    縱聯差動保護
  11. Principle of pilot differential relay protection of transmission line with series compensated capacitor

    有串補電容輸電線縱聯差動保護原理
  12. This paper introduces the working principle and the using fields of pilot wire protection, and discusses the effects of electromagnetic field induction and ground potential rise on pilot wire protection and the corresponding protective measures

    闡述了導引線縱聯差動保護的工作原理和使用場所，並討論了電磁感應和地電位升高對它的影響以及相應的安全措施。
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