饋電線保 的英文怎麼說

中文拼音 [kuìdiànxiànbǎo]
饋電線保 英文
feeder protection equipment
  • 饋 : 動詞（饋贈） make a present of
  • 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...
  • 保 : Ⅰ動詞1 （保衛; 保護） defend; protect 2 （保持） keep; preserve; maintain in good condition 3 （...
  • 電線 : （導線） wire; electric wire; current lead
  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 antenna test turntable automatic test system used the multi - machinecollecting and distributing controlling mechanisms in this article. the lowerposition machine realized the real - time control of the electrically controlledsystem and the goniometric system, keeping the communication with the upperposition machine, and fed back the turntable condition information, and so on ; the upper position machine realized the data acquisition of the various axialangles, the transmission of the control command and the monitoring of thecurrent turntable running status, and so on

    本文所研製的天線測試轉臺自動化測試系統採用的是多機集散控制機制? ?下位機實現對轉臺電控系統、測角系統實時控制並保持與上位機通信以及反饋轉臺狀態信息等工作;上位機實現轉臺各軸角度數據採集、控制命令發送以及監視當前轉臺運行狀態等工作。
  3. Electrical equipment for aircraft. feeder protection housing for direct current generator

    飛機電氣設備.直流發電機饋線保護箱
  4. The software adopts three kind of control mode to start up the data acquisition system, it ensures reliability of the acquisition system. the control system communicates with the shipborne support system adopting broadcast when down and timing when up, and requires return for the remote instructions, so it ensures the communications of the five bouys with the control and acoustic emission vessel. this software is based on assemble language of mcs51, it is held in the eprom in mcu

    控制和通信軟體採用設定採集時間表、外推採集與啟動採集三種方式控制採集系統，可靠地保證了遠程、無人值守浮標在長時間、連續工作情況下數據採集的很高的可靠性；控制和通信軟體採用下行廣播、上行時分的工作哈爾濱工程大學碩士學位論文方式實現各浮標與船載分系統間的通信，且無線電遙控指令執行反饋，可靠地保證了浮標與船載分系統間的通信。
  5. Electrical relays - part 22 - 6 : electrical disturbance tests for measuring relays and protection equipment ; immunity to conducted disturbances induced by radio frequency fields

    電氣繼電器.第22 - 6部分:測量繼電器和保護設備的電干擾試驗.抗射頻場引起的饋電線感應干擾
  6. The unites which is designed according to the transformer substation and distribution automation have protection, measurement, controlling and communication function communicated with ftu and realize measurement, protection and feeder automation integrated functions. the equipment can communicate with scada and finish measurement and controlling function

    本系統的配電終端是按同時面向變電站（開閉所）間隔與配網自動化饋線設計的一體化現場終端，具有保護、測量與控制以及對饋電線路ftu的通信管理功能，實現了測控、保護、饋線自動化三合一的思想。
  7. It combines feeder automation, and develops the fault identifying principle from one direction to two direction. so it enhances the redundancy of fault information, and improves the reliability of the fault location. we choose the transient zero current prior to others, for it is bigger than others mostly

    本文敘述了饋線系統保護原理，提出了基於饋線自動化系統的幾種單相接地故障處理方案，討論了這幾種方案下故障特徵量的比較方式，分析了故障特徵量選用的出發點以及配電終端地址命名規則等問題。
  8. The antenna feed manner can be perfectly modeled accordingly, and less additional requirement for computer is needed. using this simulation method, the time - domain waveform has complete fidelity

    此種激勵設置方式只增加很少的計算機開銷，就可以完全模擬各種類型天線的饋電方式，並有完全的時域波形保真性。
  9. It is necessary to study the mechanism of harmonics generation, make sure the content and distribute of harmonics current in order to alleviate their harm to traction power system ' s component, equipments of protect and measure as well as other customer ' s electronics equipments

    為了從根本上抑制電力牽引負荷諧波帶來的影響，削弱諧波對牽引供電系統主元件、保護測控裝置和其他用戶電子設備的影響，有必要研究電氣化鐵道牽引諧波產生的機理，確定饋線電流諧波的含量與分佈狀況。
  10. For gantry - moving type machining center servo system, in order to restrain the machine coupling influencing dual motors system, an adaptive decoupling control technology is first presented in this paper, and through feedforward decoupling ; the dual linear motors controller ' s parameters will be modified by the feedback. the synchronous control caused by the feedback resulting from the adaptive control law will keep synchronism with dual motors in position for realized synchrodrive

    針對龍門移動式鏜銑加工中心伺服系統，為了克服因兩個龍門立柱運動狀態差異形成的機械耦合對雙電機系統的影響，本文採用自適應解耦控制技術，先通過前饋解耦，再經過自適應律產生的反饋作用來修改雙直線電機控制器的參數，產生同步控制量，使雙電機在位置上保持一致，從而實現了雙電機的同步傳動。
  11. Using distributed architecture, this controller integrates functions of protection, metering, signaling, communication and new kind of distribution automation. it combines the function for integrated automation and feeder automation. so this product can be used not only in the reforming of substation, realizing the protection of equipments and power lines, but also in ring power network, through repetitious reclose, eliminating instantaneous faults and isolating permanent faults

    本文所研究的智能重合控制器採取戶外分散式結構，將保護和測量、控制、信號、通訊以及新型配電自動化等功能集成一體；與斷路器配合，將綜合自動化系統中的測量、保護功能與饋線自動化系統中的重合功能相結合，不僅可以運用於變電站的改造，實現站內設備、線路的保護；還可以運用於城鄉環網中，通過多次重合，消除暫時性故障，隔離永久性故障。
  12. Many practical factors, such as effects of line fuses protection, disconnected switches, scheduled maintenance, spare electrical source, spare transformers in distribution system, are considered in the assessment arithmetic. in the assessment, it is more practical that low - voltage power system is equivalent to an element on the lateral section of mid - voltage system. especially, the minimal cut - sets are divided into direct cuts and indirect cuts, which makes the effects of elements in cuts on system more legible and exact

    演算法考慮了分支線熔斷器保護、隔離開關、計劃檢修、備用電源、有無備用變壓器的影響，將低壓系統等效為中壓系統分支饋線上的一個等效元件進行評估，使得該方法更符合實際，特別是，將最小割集分為直接割集和間接割集，使割集元件的影響更加清晰準確，並以c + +語言編制了計算軟體。
  13. As far as linearity and efficiency are concerned, several techniques and theoretical analyses on linearity are extensively demonstrated. hybrid use of linear techniques and adaptation technologies in sdr are fully studied so that it can provides amplify with broadband, high efficiency and linearity. the paper presents a new scheme of an adaptive feedforward correction connected with a predistorter to amplify in sdr

    在高效線性放大方面，廣泛討論了射頻功放的幾種線性化技術和非線性理論分析基礎，深入研究了在軟體無線電中組合使用線性化技術和自適應技術以保證寬帶、高效率的線性放大，創新地提出了基於軟體無線電寬帶線性射頻放大的預失真和自適應前饋線性技術結合的方案。
  14. But, the alarm signals from scada have disadvantages as follows : ( 1 ) the open - air feeder terminal units ( ftu ) are interfered by strong electromagnetic and thunder. besides, the failure of relays and the fault of ftu can also lead to that fault information is interfered and aberrant. ( 2 ) in the process of transmission and commutation, the error in the communication equipment may result in the signals err or lose

    然而，現有的scada系統在配電網發生故障時提供給調度員的警報信息有如下局限性： （ 1 ）面向現場的戶外饋線終端ftu運行環境惡劣，承受強的電磁、雷電干擾，並且由於繼電器節點故障、 ftu元器件損壞等因素的存在，使得配電網信息受干擾、畸變的可能性較高； （ 2 ）在信號傳輸及變換過程中，通訊裝置的故障等原因，也可能導致信號出錯甚至丟失； （ 3 ）保護裝置和斷路器本身也有可能誤動或拒動。
  15. The effect of dg on the relay protection and automation of the distribution network is discussed in the aspects of 3 - sectional current protection based on circuit breakers, feeder protection based on reclosures, and distribution network automation protection based on ftu

    針對基於斷路器的三段式電流保護、基於重合器等自動化電器的饋線保護以及基於ftu的配網自動化保護方案，探討了分散式發電對配電網繼電保護以及自動化的影響。
  16. In china, the research for the technology of integrated automation is earlier than that of feeder automation. so products of integrated automation are maturer. in this paper, the main topic is intelligent outdoor reclose controller

    我國對綜合自動化技術的研究開展較早，技術也較為成熟，而對于配電網中壓饋線的監測、保護與自動化方面研究較少。
  17. On the basis of that, linear state feedback control law is designed to ensure the stability and security of power system

    在此基礎上，設計線性狀態反饋控制規律，使得電力系統的運動狀態保持穩定。
  18. According to the present actual underground power system which neutral point is grounded through arc suppression coil in many supper big shaft, the development history and present situation of synthetic protection system used in hv flameproof switchgear are reviewed, and on the basis of analyzing the problems existed in high voltage flameproof switchgear, the selective leakage protective method based on the detecting harmonic direction of zero sequence current as well as the value of zero sequence voltage is proposed in this paper, and at the same time, harmonics extracting schematic and transforming circuit are also designed

    本文深入系統地研究了基於intel80c196kb單片機控制的6kv防爆開關綜合保護系統，主要內容如下：針對大型及特大型礦井供電系統中性點普遍採用消弧線圈接地方式的現狀，回顧了國內外礦用高壓防爆開關保護系統的發展歷史，分析了目前國內高壓饋電開關保護系統所存在的問題，提出了「基於零序電壓基波啟動，五次諧波功率方向比較」的選擇性漏電保護原理，設計了相應的五次諧波提取電路和功率方向鑒別電路。
  19. Fristly, according to the non - linear characteristics of twelve - phase rectifier, the thesis gives the calculation model for a short circuit in the subway traction power supply networks which provides the academic foundation for the design of the setting values and the simulation of protection. secondly, the thesis designs the dc feeder protection and control of subway, and gives the principle of setting accordingly, after it analysizes the characteristics of electric current under tow load and short circuit and considers severel factors. to validate the rationality of the design, the thesis simulates the transient electric current under two work conditions ( starting and passing the insulation ) ahd short circuit

    其次，本文在詳細分析地鐵牽引負荷電流和饋線短路故障電流特點的基礎上，考慮了直流保護系統設計應注意的幾個因素，對地鐵饋線保護與控制進行配置，給出了相應的保護整定原則，並針對某一地鐵供電系統在詳細分析了兩種工況（機車起動與過分段絕緣）的電流暫態過程，得到了電流計算的數字模型，結合前面提出的短路模型，進行了地鐵饋線保護的模擬，經模擬表明本文的保護設計是合理的。
  20. Electrical equipment for aircraft. differential reverse current relays with feeder protection

    飛機電氣設備.帶饋線保護的差動反向電流繼電器
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