接地電容 的英文怎麼說

中文拼音 [jiēdediànróng]
接地電容 英文
direct earth capacitance
  • 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 ...
  • 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...
  • 接地 : [電學] landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground...
  • 電容 : electric capacity; capacitance; capacity
  1. Single - phase earthed capacitance current automatism compensate device of 6kv electricity - net

    電網單相接地電容電流的自動補償裝置
  2. According to the quickly adjustable characteristic of the peterson coil grounding system, this dissertation proposes a new control strategy. when the system is in operation, the strategy can limit the series resonance over - voltage by using the off - resonance method. when fault occurs, the strategy can conveniently suppressing arc by rapidly adjusting the inductance value of the peterson coil to the point, which the resonance with grounding capacitance of the power network is occurred

    依據可控硅控制消弧線圈接地系統的快速可控性，一改傳統的電網正常運行時調節消弧線圈接近於全補償的預調諧方法，提出正常運行時採用脫諧方法抑制串聯諧振過電壓；故障時立即調節消弧線圈電感量達到與對地電容諧振，以利熄弧的新型調節原理和方法。
  3. New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized

    論文中首先介紹了中性點接地方式的發展過程，通過對諧振接地原理和單相接地故障的暫態、穩態分析，認識到接地故障對系統安全運行的危害，通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。
  4. Therefore, the stator ground fault protection plays an important role in the protection system of generator. at present, the large - sized hydro - generators, such as the generators in three gorges power station, require that the stator ground protection must be with very high sensitivity, so that it is beyond the capacity of available protection schemes

    定子繞組單相接地保護是大型發電機繼電保護系統中十分重要的一項內容，而現有保護方案難以滿足目前大型水輪發電機（如三峽電站機組等）不斷提高的定子繞組單相接地保護靈敏度要求。
  5. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability ， insulation coordination ， electromagnetic interference ， but assault safety 。 in china ， the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network ， low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai ， beijing ， and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas ， such as zhuhai ， substations grounding with low resistance revealed some problems ， including power supply reliability rapidly dropping ， transmitting line often tripping ； and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析，比較各方式的特點，然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型，在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下，對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算，其計算結果與電科院所作現場試驗進行了比較。
  6. The characteristics : the unit is composed of high voltage parallel capacitor, serial reactor, switch ( disconnector, grounding switch, breaker etc. ), lightning arrestor, fuse, discharging coil, current transformer, insulator, busbar and steel bracket, includes two kinds of structure : frame type and cabinet type

    產品特點：裝置由高壓並聯電容器、串聯電抗器、開關（隔離開關、接地開關、斷路器等） 、避雷器、熔斷器、放電線圈、電流互感器、絕緣子、母排和鋼架組成，裝置有框架和櫃式兩種結構。
  7. The reasearch about both function device of compensate and line selection about single - phase grounding capacitire current for small current grounding system

    小電流接地系統單相接地電容電流補償與選線雙功能裝置的研究
  8. This paper researches the non - direct - grounded system fault detection from software arithmetic view, whose main content is as follows : the paper analyses the system running characters before and after fault. and the paper analyses the fault transient signal and fault steady signal and all parts in fault steady signal after the single line - to - earth fault occurs, and discovers the fault laws and appearance of fault signal. the analyzing of the fault laws and fault phenomenon of non - direct - grounded system all above is the base of analyzing arithmetic

    本文針對小電流接地系統選線的問題，從軟體演算法的角度進行了研究，主要內容如下：對小電流接地系統故障前和故障后系統的運行特點進行了分析，並且對小電流接地系統發生單相接地故障后，故障暫態信號、故障穩態信號以及故障穩態信號的各種成分進行了深入的分析，找到了故障的規律以及其故障信號的表現形式，為對各種演算法的分析比較打下了基礎。
  9. In the 3 ~ 35kv power supply system of our country, the large part is the not solidly earthed neutral system. when the single - phase earthed phenomena happens in this system, this electric power network can run with failure. and in this way the operated cost can reduce greadty. and at the same time the power supply systemic dependability can be improved. but when the single - phase earthed current is large, this electric power system can engender easily arc earthed overvoltage and interphase short circuit by this means

    在我國10 35kv供電系統中，主要為中性點非直接接地系統，這種系統在發生單相接地時，電網仍可帶故障運行，這樣可以大大降低運行成本，提高供電系統的可靠性，但這種供電方式在單相接地電容電流較大時容易產生弧光接地過電壓和相間短路，給供電設備造成了極大的危害。
  10. In this paper, the research was made to solute these problems. the peterson coil compensation system has been designed which can measure capacitor current and damp degree ; a fault selection method of distribution network which was put forward that based on ftu

    本課題就這兩方面的問題進行了深入研究，設計了一種消弧線圈自動補償裝置，該裝置可測量系統對地電容電流和阻尼率，具有響應快、準確性高的優點;同時提出了一種基於ftu的配電網接地選線方法。
  11. 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。
  12. Automatic compensation of single - phase current capacitance

    單相接地電容電流的自動補償
  13. Improvement of single - phase direct earth capacitance current for power distribution system in coal mine

    煤礦供電系統單相接地電容電流的治理
  14. The paper explains the method of the petersen coil parameter selection and expatiates the working principle of micro - computer controller. new methods of on - line measuring of the capacitive current and the control of the series resistance are put forward ? which lead to the integration of the automatic resonance and the faulted line selection in a compensating network

    文中說明了消弧線圈參數的選擇方法，闡述了微機控制器的工作原理，提出了在線測量補償電網對地電容電流以及控制串聯電阻的新方法，實現了補償電網自動調諧與單相接地選線的一體化。
  15. The study of self - compensation to single phase - to - ground capacitive current in 10 35kv power network

    電網單相接地電容電流自動跟蹤補償系統研究
  16. Analysis and control of coal mine electric network single - phase ground capacitor current

    礦山電網單相接地電容電流的分析治理
  17. In addition, the enormous use of cables in city power system increases the current through the grounded capacitor. these make the single - phase fault current get greater, which lead to more and more instantaneous grounding faults unable to eliminate naturally

    近年來，由於城市配電網路規模的不斷發展，以及城網中大量使用電纜，使得系統的接地電容電流大大增加，系統單相接地故障時接地電弧不能自動熄滅，越來越多的瞬間單相接地故障不能自動消除。
  18. In recent years, with the large - scale reconstruction of city power system, the scale of power system is continuously expanding, and the power supply network is becoming larger and larger. in addition, the enormous use of cables in city power system increases the current through the grounded capacitor. these lead to more and more instantaneously grounding faults unable to eliminate naturally

    近年來，國家對城市電網的大規模改造，使得電網的規模不斷發展，配電網路越來越大，加上城網中大量使用電纜，使接地電容電流大大增加，越來越多的瞬間單相接地故障不能自動消除，為了解決這一問題，我國普遍採用中性點經消弧線圈接地的補償方式。
  19. The auhor develops the user - defined dynamic phasor models of all the above devices with the user - defined function of power system analysis software package ( psasp ) of epri, china, including traditional power components such as generator, transmission line, transformef, fixed series capacitor ( fsc ), grounding reactor, etc., and new type power devices including thyristors like tcsc, hvdc, svc and smcom, thus realizes time - domain simulation for sso large signal stability analysis and realizes sso small signal stability analysis further through the linearization platform of psasp

    作者利用電力系統分析綜合程序（ psasp ）的自定義建模功能，建立了電力系統基本元件（如發電機、輸電線、電容器、接地電抗器等）及含晶閘管等電力電子元件的新型電力系統裝置（ tcsc 、 svc 、 hvdc及statcom ）的動態相量自定義模型，從而通過psasp實現了sso問題的大幹擾穩定的時域模擬計算，並進而通過該程序的小干擾線性化平臺實現了sso問題的小干擾穩定分析。
  20. Earthing capacitance currency measurement of 6 35kw network at dongtan coal mine

    電網各相接地電容電流的測定
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