line protection 中文意思是什麼

line protection 解釋
輸電線路保護裝置
  • 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...
  • protection : n 1 保護，保衛，防禦，掩護，包庇，照顧 （from; against）。2 保護者，防護物 （against）; 〈美俚〉...
  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 “ genabon ” series product has : the environmental protection foam rubber paint, water wooden vessel paint, polyester repairs the paint, flexibility texture suffers the coating and have no the benzene poison nitric paint, furniture industry uses the paint and have no the benzene all - powerful gum, refractory coating, arrest burnt two use to repair the paint and have no the not poisonous condensate in benzene turn, have no the benzene dilution a printing ink, oil building coating, ground ping paint, street nark line the paint, industry antisepsis coating etc

    「金耐寶」系列產品有：環保乳膠漆、水性木器漆、聚酯裝修漆、彈性質感受塗料、無苯毒硝基漆、傢具工業用漆、無苯萬能膠、防火塗料、阻燃兩用裝修漆、無苯無毒固化劑、無苯稀釋劑、特種油墨、油性建築塗料、地坪漆、馬路標線漆、工業防腐塗料等。
  3. 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。
  4. This paper introduce the basically structure principle of wavelet packet and discusses the feasibility of the application that wavelet packet analysis method on line protection

    摘要介紹小波包的基本構造原理，討論了小波包分析方法在電力系統中故障類型判別中的應用。
  5. Realization of dynamic instability detecting relay in high voltage line protection devices

    高壓線路保護中動態穩定破壞檢測元件的實現
  6. 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。
  7. 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。
  8. The company is mainly engaged in the development and production of power transmission and transformation line protection, primary power equipment protection, substation comprehensive automation system, hydropower and thermal power plant automation system, and other automation products

    是國內最大的電力系統靜態保護、成套自動化設備、土工試驗和大壩觀測儀器以及電力測試儀表的國家大型骨幹企業。
  9. It is recommended that twisted pair wiring and coaxial cabling be provided with suitable data line protection, at the point where the signals penetrate the metal cabinet walls, with the protectors referenced to the metal cabinet by a short wire ( < 15cm )

    如果光纜直接進入箱體內，則無須做任何數據線或信號線的保護，因為沒有金屬導體路徑能讓電涌電壓進入到設備內部。
  10. 3. rj11 phone line protection

    3 . rj11訊號線雷擊突波保護
  11. 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。
  12. This paper analyzes the study and developmeni of the distfibuted power line protection & monitoring device on abroad and home. based on the demand of power depwtment, a full distfibated multifunctional protection & monitoring device faced the distributed line is studied. this instrument not only can perform functions of scada system, but also integrate the functions of the distance protection and three sects line current protection

    本文分析了國內外配電線路微機保護和測控裝置的研究和發展狀況，針對現有電力部門的需求，設計並實現了一種面向配電線路的全分散式的微機保護和測控裝置，該裝置不僅實現了電力系統的實時測控和三段式電流保護功能，而且還率先集成了配電線路的微機距離保護。
  13. Application of optical fiber communications in 500 kv line protection

    線路保護中的應用
  14. Dep - 822 line protection with monitor and control functions

    Dep - 812線路保護監控二合一單元
  15. To operate within the power cable line protection zones

    （四）在電力電纜線路保護區內進行作業。
  16. General specification for microprocessor - based transmission line protection equipment

    微機線路保護裝置通用技術條件
  17. To conduct engineering by putting any part of lifting machinery into the overhead power line protection zones

    （二）起重機械的任何部位進入架空電力線路保護區進行施工。
  18. Its application can improve the selectivity and sensitivity of power supply and distribution line protection

    其應用可提高供配電線路保護的選擇性、靈敏性與供配電線路運行的可靠性、安全性。
  19. On the function study basis of main doublized protection type 11 and type 902 micro computer line protection device, taking permanent single phase fault occuring on power line within protected district as example, the paper analized in detail the acting behavior of type 11 and type 902 computer line protection device

    摘要在對構成線路主保護雙重化的11型和902型微機線路保護裝置功能研究的基礎上，以線路發生區內單相永久性接地故障為例，對11型和902型微機線路保護裝置動作行為作了詳細分析。
  20. The result of theory and computer simulation confirm the feasibility of the proposed algorithm for series compensated transmission line protection

    通過理論和模擬分析研究表明，該演算法是可行的，適用於串補線路保護。
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