接地故障保護 的英文怎麼說

中文拼音 [jiēdegùzhàngbǎohù]
接地故障保護 英文
earth fault protection
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 故 : Ⅰ名詞1 （事故） event; incident; happening; accident 2 （原因） cause; reason 3 （朋友; 友情） fr...
  • 障 : Ⅰ動詞（阻隔; 遮擋） block; hinder; obstruct Ⅱ名詞（遮擋物） barrier; block; obstacle
  • 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
  • 接地 : [電學] landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. Ground fault protection

    接地故障保護
  2. Ground fault protection this function trips ( opens ) a circuit breaker or sounds an alarm in the event that there is an electrical fault between one or more of the phase conductors and ground ( earth )

    接地故障保護當一個或多個相導線與地之間出現電氣故障時，接地故障保護通過跳脫斷路器或報警來示警。
  3. To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed

    針對目前大型水輪發電機定子繞組單相接地保護靈敏度偏低的問題，通過分析單相接地故障后機端和中性點零序電壓的變化特點，提出了一種基於機端和中性點三次諧波電壓故障分量和兩種基於機端和中性點零序電壓故障分量的高靈敏度、高可靠性保護方案，並實現定子繞組的100 %保護。
  4. The ground faults in the generator stator are by far common faults to which generators are subjected. internal short - circuit faults, which may immediately damage generator, are always preceded by the ground faults. the possibility of internal fault and damages caused by it can be decreased largely if the stator ground fault protection reliably and sensitively operates

    定子繞組單相接地故障是發電機最常見的一種故障，而且往往是更為嚴重的繞組內部短路故障發生的先兆，定子繞組單相接地保護的可靠與靈敏動作可以大大降低內部短路故障的發生幾率，減少故障造成的損失。
  5. Ground fault of 6kv electric - network and realization of ground protection

    電網接地故障與接地選線保護的實現
  6. Through analyzing the two cases of protection malfunction due to incorrect connection of open - delta connection of busbar voltage transformer, the importance of correct connection of open - delta connection when earthing fault occurring in a power system was explained

    摘要通過分析兩起母線電壓互感器開口三角形接線錯誤引起的保護不正確動作，從而說明在系統發生接地故障時電壓互感器開口三角形接線正確的重要性。
  7. The device has realized the real - time control and protection for short circuit, failure to start, unbalance ( open phase ), under - voltage, earth faults, and overload

    保護與控制裝置實現了對短路、起動故障、不平衡（斷相） 、欠壓、接地故障、過負荷的實時監控和保護。
  8. Carry out the electrical protection for the generator set, such as overload, shortcircuit, under - voltage, ground fault and etc

    實現機組過載短路欠壓接地故障等電氣保護
  9. This thesis not only analysed the serious results of deviation of electricd pressure, which was harm for equipments and personal safety, caused by disconnection of null line, but also proposed effective protecting measure for mulfunction, such as repetition earth protecting measures and so on

    摘要分析了零線斷線造成電壓偏移而對設備和人身安全帶來的嚴重後果，提出了重復接地等有效的故障保護措施。
  10. 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。
  11. This kind of intellectualized unit based on 87c196kc singlechip has several functions as electric power parameter measurement, over - current and earth - fault protection, communication and status monitoring for switchgears

    這種智能單元具有測量電力參數、過電流與接地故障保護、通信、開關設備狀態監測功能。
  12. The protection constitution of connecting the ground can cut off the troubling electric circuit quickly and effectively before causing the personal casualty, a fire trouble and circuit to damage, and thus protecting the personal safety and reducing the occurrence of the trouble

    摘要接地故障保護設置能在故障線路引起人身傷亡、火災事故以及線路損壞之前，迅速有效地切斷故障電路，從而保護人身安全，減少事故的發生。
  13. Application and principle of ground wire - selecting protection based on breakdown phase current

    基於故障相電流的接地選線保護原理及應用研究
  14. When this fault is cutted off and the breaker is reclosed, this scheme ca n ' t start by mistake. the availability of this scheme is proved with matlab test. the single phase high - impedance grounding fault is settled properly

    Matlab模擬分析證明了該方案耐受過渡電阻的能力強，在故障切除和重合閘時不會因出現的暫態信號而誤啟動，不受系統振蕩、頻率偏差的影響，克服了常規保護靈敏度不足的缺點，較好地解決了單相高阻接地故障的難題。
  15. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障，本文在詳細分析了單相高阻接地故障的穩態和暫態特性的基礎上，從小波分析原理出發，利用小波變換檢測突變信號的原理，以零序電流、模電流等為研究對象，結合方向高頻保護的原理，設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。
  16. Have studied generator ground model mostly used in detail for middle and big domestic generator units. calculates and deduces fault current as grounding of single phase and third harmonic fault protection schemes. first time contributes overall knowledge about generator neutral grounding of distribution transformer with secondary resistor, in which considered inductance of the transformer to people

    針對大中型發電機的兩種主要接地方式進行了分析，進行了接地故障電流、三次諧波保護的計算推導，首次在接地變高阻接地方式有關公式推導中計入接地變感抗，從而使人們對接地變高阻接地認識更為全面。
  17. Because there is direct relation ship with fault currents and transient and dynamic voltages, in theory or practice, it is so complicated that the selection of generator neutral grounding model will affect or determine the generator protection scheme

    由於暫態過電壓、接地故障電流等都直接與發電機接地方式有關，同時還影響或決定著發電機的保護形式，所以接地方式的選擇在理論和實踐上都是一個復雜的問題。
  18. Under the conditions of high safe coefficient of insulated electrical strength of the stator winding of the generator, the selection of earthing resistance value should meet the needs of matching one - point earthing protection of the stator and limiting the fault current

    在發電機定子繞組絕緣電氣強度有較高的安全系數的情況下，接地電阻值的選取應主要服從與定子一點接地保護的配合及限制接地故障電流的需要。
  19. In order to analyze the characteristics of stator ground fault and develop its protection schemes, a mathematical model for large - sized hydro - generators is established based on the multi - loop theory of ac machines and considering the capacitance to ground and actual construction of the stator windings

    為了詳細分析大型水輪發電機定子繞組單相接地故障特點，校驗和開發相應的保護方案，本文建立了以交流電機多迴路分析方法為基礎、考慮定子繞組對地電容、採用實際繞組結構的發電機定子繞組單相接地故障模擬模型。
  20. 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。
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