故障定位方法 的英文怎麼說

中文拼音 [zhàngdìngwèifāng]
故障定位方法 英文
fault locating method
  • : Ⅰ名詞1 (事故) event; incident; happening; accident 2 (原因) cause; reason 3 (朋友; 友情) fr...
  • : Ⅰ動詞(阻隔; 遮擋) block; hinder; obstruct Ⅱ名詞(遮擋物) barrier; block; obstacle
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented

    精確的為現場巡線工作人員及時提供準確、可靠的信息,減輕人工巡線的負擔,同時加快線路的恢復供電,減少因停電造成的綜合經濟損失,為提高電力系統運行的安全性、經濟性和可靠性發揮重要的作用。本文總結了現有的各種測距,根據測距的原理將其分為阻抗和行波兩大類,對各種演算的優缺點及適用范圍進行了分析,在此基礎上提出了一種組合的測距案,並對演算進行了模擬分析。
  2. This article in detail elaborates supply power and breakdown type and the test methed, how to scientifically grasp the different breakdown electric cable meter test profile analysis as well as the breakdown localization method, and introduces how to solve the problems appeared in the scene test

    摘要介紹了供用電企業中電纜的各種類型和測試,對不同電纜儀測試的波形進行了分析,闡述了電纜點的和現場測試中通過波形判斷
  3. An automatic fault location method is proposed based on ftu after the circuit analysis of single line - to - ground fault in distribution networks

    通過對配電網發生單相接地后饋線的電壓、電流變化規律的分析,論文提出了基於饋線現場監控終端ftu的點智能
  4. Based on the main fault - character analysis of single line - to - ground fault in non - grounded distribution networks, the location algorithms by injecting current are proposed for diagnosing and locating faults

    基於對配電網發生單相接地后的主要特徵的分析,論文應用加信診斷,提出了相應的接地演算
  5. It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line

    通過將所包含的四個判據- 「暫態零序電流幅值」 、 「穩態基波零序電流」 、 「穩態7次諧波零序電流」和「 s信號注入」 -進行有選擇地遞進使用,不僅有效彌補了目前已有小電流接地系統單相接地選線的缺陷,更將線路最小區段。
  6. This paper is mainly about some researches in three areas : iddq detecting method, iddt detecting method and fault location algorithm

    本文著重在靜態電流檢測、動態電流檢測以及演算三個面進行了研究。
  7. In this paper, the author provide some theory research results, as following : protocol testing contents ; protocol testing methods ; the application of " formal technology " in networking testing and so on. besides these, author research and develop the testing tool of " activetester ", which not only includes all functions of traditional testing tools, but also have the function of sending packages. it can send all types packages, for instance, mac packet, ip packet, icmp packet, igmp packet, arp packet and so on

    為了科學地進行主動性測試,作者對協議測試理論進行了必要的補充,提出了自己的觀點,如協議測試研究的內容、協議測試的、形式化技術在協議測試中的應用等;同時為了便於測試人員掌握、使用主動性測試技術,作者研發了報文發送、偵聽、分析工具? activetester ,它除了具備傳統網路工具(如, sniffer )所具有的報文偵聽、流量統計分析功能外,增加了報文發送功能,可以發送mac數據幀、 ip報文、 icmp報文、 igmp報文、 arp報文等,在此基礎上還可測量網路整體的吞吐量,響應時間,,協議一致性測試等。
  8. Thirdly, some key technologies of optical layer protection such as fault monitoring, location, switching corporation, protection switching time were studied in chapter 3, a method of optical power monitoring for primary path and otdr monitoring for protection path was provided

    隨后研究了光層保護的網路監測、倒換判椐、、倒換協調、保護倒換時間等問題,提出了主通道光功率監測、備用通道背向散射曲線監測的監測
  9. The methods above have been simulated using emtp and matlab, and the simulation results indicate that, ( 1 ) in the fault location method based on wavelet reconstruction, the influences of reflected waves from tee joints or resistance discontinuities except the fault point can be eliminated when the current difference between faulty phase and sound phase is used in fault location

    本文利用emtp和matlab程序對上述進行了數值模擬,結果表明: ( 1 )在本文所提出的基於小波重構的電纜測距中,利用健全相和相的電流差信號進行,能消除點之外其他阻抗不匹配點的反射波的影響。
  10. Abstract : the responses of shaft bow and their relationships with unbalanceresponses and mechanical or electronic run out are analyzed based on the theory of rotor dynamics. the responses of shaft bow are separated from the unbalance responses successfully by making use of vibration information under different rotor runs. an identification method of thermal bend is presented based on the 2d - holospectrum technique. experimental results show that when bow phase is steady and amplitude is variable, the tangent of initial phase point on the 2d - holospectrum is parallel, which can be effectively used for diagnosis of bent shaft

    文摘:依據轉子動力學理論分析了柔性轉子彎曲響應的特徵,在此基礎上討論了它與不平衡響應及機械與電氣跳動量之間的關系,並利用轉子在不同起車情況下的振動信息,有效地分離了彎曲響應和不平衡響應,求解出彎曲量與不平衡量的比值.提出了轉子在恆轉速下,基於二維全息譜技術的熱彎曲識別.研究結果表明,當彎曲量相而其幅值變化時,轉子響應的二維全息譜初相點的切線是相互平行的,由此可以有效地實現轉子熱彎曲的識別與診斷
  11. Computer simulation shows that the criterion measure effectively locates faults in direct distribution line, and it is also feasible to tree - type distribution system in theory but there are still some problems in practice

    經過數值模擬計算分析表明,該對直配線的接地是有效的,對樹形多分支線路的理論上也是可行的,但實際應用中還有許多重要問題需要進一步深入研究。
  12. In recent years, it has been attracted considerable attention for a mass of researchers on networks in world, and become the hot research area of computer networks, in particular, has been widely used in network fault - location, performance measurement and count expense etc. based on careful analysis on related theory, technique and application of the topology discovery in world, the author first proposes a new physical topology discovery algorithm ( ptda ) for single subnet, next introduces the new algorithm into multi - subnet case, as a result, puts forward a new ptda for multiple subnets

    拓撲發現廣泛應用於網路、性能測試和計費管理等面。本文在深入分析國內外拓撲發現相關理論、技術和應用的基礎上,提出了單子網物理拓撲發現演算,將單子網物理拓撲發現演算擴展到多子網中,並提出多子網物理拓撲發現演算。在研究單子網和多子網物理拓撲發現演算的基礎上,提出了基於生成樹協議的物理拓撲發現演算
  13. By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately

    論文深入地分析了高壓線路暫態電流行波的波折、反射過程以及折、反射系數的特點,提出了新的單端行波測距,它不僅能夠有效地識別出測距所用的反射波,而且幾乎不受線路結構、長短、接地電阻、類型、系統阻抗的影響,在近區仍可以準確地進行測距;同時模擬阻波器的特徵,設計了低通數字濾波器,對通過了低通數字濾波器的暫態電流行波再次進行小波分析,並利用本文提出的單端行波測距進行,結論是所提出的測距在實際應用中仍是有效的。
  14. Approach of fault location and fault phase selection in uhv power transmission line based on the wavelet theory

    基於小波理論的超高壓輸電線路與選相
  15. Based on the analysis of the transient and stable features of fault information on line in single carrier power supply with ineffective grounding neutral, this paper puts forward a new method for fault location in small current power system called " gradual identifying law "

    本文針對這一問題,在深入研究了中性點非有效接地單端供電系統發生單相接地后線路上的各處信息的暫態特性和穩態特性的基礎上,提出了一種新的小電流接地系統單相接地故障定位方法- 「遞進信息」 。
  16. Secondly the present fault location on hv transmission network has been commented on. tree fault location methods based on the power frequency fault data of two - terminal are proposed

    本文其次對現有高壓輸電線路故障定位方法進行了綜合評述,在此基礎上提出了三種基於雙端數據的工頻測距演算
  17. In this thesis, the fault location algorithms of hv transmission line are evaluated at first, then the factors that affect the accuracy of the fault location are analyzed, and the proper solutions are presented

    本文首先對現有高壓輸電線路故障定位方法進行了綜合評述,在此基礎上對造成穩態測距誤差的一些尚未獲得滿意消除的因素進行了深入的探討,並提出了相應的解決
  18. The main tasks of this thesis are as follows : ( 1 ) a two - terminal fault location arithmetic based on the synchronization sampling of gps has been brought up. ( 2 ) because of the cost of gps and the truth that there is phase difference of two - terminal, the two - terminal fault location arithmetic is faced up with facts that how to keep the sampling data of two - terminal synchronous. according to that, two new methods are proposed, which do n ' t need the synchronized sampling data of two - terminal

    全文主要工作如下: ( 1 )利用全球系統gps的授時功能,提出了基於gps同步采樣的雙端測距演算; ( 2 )由於增加gps硬體設施,造價比較高,且客觀上雙端數據存在著不同步相差,雙端測距所面臨的主要問題是兩端數據采樣的同步問題,針對這一問題,本文又提出了兩種不需要兩端數據采樣同步的工頻測距新,基於powell向加速和基於遺傳演算演算
  19. The principle of the fault distance measurement for small current grounding system by injecting dual frequency signal are discussed from many aspects such as the method and the characteristic of the signal, the test of the signal, the method of the line select, the algorithm of the fault distance measurement, and the method of the fault location, etc. the task adopts this kind of principle, in which the signal injection is completed by the coupling between the power source and the pt

    在詳細地說明以上三種測距演算的基本原理后,分析各種演算的優缺點,從注入信號的、特徵,注入信號的檢測,接地選線的測距的演算,及等多個面,論述了本課題採用的應用於小電流接地系統的雙頻信號注入式測距原理。其中,信號的注入由功率源通過電壓互感器( pt )耦合來完成。
  20. Universal computer program of locating slg faults in distribution networks is worked but based on the algorithm

    大量測距的數值模擬計算分析表明,該對配電網的接地是有效的。
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