接地短路電流 的英文怎麼說

中文拼音 [jiēdeduǎndiànliú]
接地短路電流 英文
earth short circuit current
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 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...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • 接地 : [電學] landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground...
  • 短路 : [電學] short; short circuit; cutting out; direct short; short out; short pass短路保護(裝置) sho...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. The two - point to earth short fault may cause short currents whic h can lead to serious accident. so it is necessary to monitor the state of field windings of turbo - generator and detect the kind of fault and predict its inclination. thus the security level of power system will be improved

    由於發機轉子兩點故障時會產生較大的,導致惡性事故的發生,因此對發機轉子繞組進行狀態監測,判斷故障的形式和趨勢是十分必要,有助於提高系統安全運行水平。
  2. The products is of high water hydrophobe device usedin suitable and has the characteristics of aging resistance, resistance, tracking resistance, and corrosive resistance. it can withstand high bent load, strong impact force fn12 - 12 series indoor use high voltage load switch fn12 - 12 and fn12 - 12r is of three phases indoor use ac high voltage load switch for breaking and making the circuit of 50hz, 12kv system under rated loading

    Fn12 - 12和fn12 - 12r組合器是額定壓12kv額定頻率50hz的三相高壓開關設備用於分合負荷閉環空載變壓器和纜充關合配裝開關的負荷開關,可以承受
  3. The single - phase grounding fault frequently occurs in neutral ungrounded system, the fault line and fault location must be found to avoid a phase - to - phase short as soon as possible

    單相故障在小系統中出現的比較頻繁,此時必須盡快找到故障線以及大致的故障點,以避免兩相對
  4. 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故障的形式、消弧線圈的應用范圍、兩種運行方式供可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以纜為主的城區10kv網中性點方式的選擇問題進行研究。論文首先對10kv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站10kv網的實際參數來建立數值計算模型,在考慮了變化、中性點阻取值大小、阻值變化等多種影響因素的情況下,對中性點經消弧線圈和經小方式下網的過壓水平和大小進行了數值計算,其計算結果與科院所作現場試驗進行了比較。
  5. Generally, single phase grounding fault can cause both high phase current and zero sequence current. proper grounding protection set can act reliably and cut off fault

    一般,單相將產生很大的故障相和零序,相應的保護裝置將能可靠動作從而將故障切除。
  6. It utilizes zero impedance branch characteristic, combining structure - transform and structure - static short - circuit current calculation method to calculate the short - circuit current directly through the electrical equipment when short - circuit fault takes place at the two sides of the electrical equipment, and settles the problems that the traditional method cannot directly figure out the short - circuit current

    該方法利用零阻抗支特點,結合定結構和變結構計算方法,能夠直求出在氣設備兩側分別發生時,通過氣設備(如斷器)的,從而合理解決了傳統的故障分析方法不能直求出過設備的的問題。
  7. 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供系統中,主要為中性點非直系統,這種系統在發生單相時,網仍可帶故障運行,這樣可以大大降低運行成本,提高供系統的可靠性,但這種供方式在單相較大時容易產生弧光壓和相間,給供設備造成了極大的危害。
  8. Single phase earthed fault is the common fault in this system. to detect the faulty feeder is difficult for the fault current is very small

    單相是最常見的故障,由於它的接地短路電流較小,使故障檢測較困難。
  9. 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

    論文深入分析了高壓線故障暫態行波的波折、反射過程以及折、反射系數的特點,提出了新的單端行波故障測距方法,它不僅能夠有效識別出測距所用的反射波,而且幾乎不受線結構、長、故障阻、故障類型、系統阻抗的影響,在近區仍可以準確進行測距;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故障行波再次進行小波分析,並利用本文提出的單端行波故障測距方法進行故障定位,結論是所提出的測距方法在實際應用中仍是有效的。
  10. Short - circuit currents in three - phase a. c. systems - part 3 : currents during two separate simultaneous line - to - earth short - circuits and partial short - circuit currents flowing through earth

    三相交系統中的.第3部分:兩個獨立的同時線部分入大情況下的
  11. By study, we can know that when one - phase ground fault happens on the line, more far the fault location is from where relays place, more less is the difference of the two zero sequence currents, while hen one - phase ground fault happens on the other line, more far the fault location is from where relays place, more is the difference of the two zero sequence currents

    研究表明,當本回線發生單相時,在通過公式計算得出的一特定值為正時,離保護安裝處越遠,本回線零序與非故障線零序相位差值越小;當另一回線發生單相時,離保護安裝處越遠,本回線零序與故障線零序相位差值越大,該值為負時則反之。
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