過渡電阻 的英文怎麼說

中文拼音 [guòdiàn]
過渡電阻 英文
transient resistance
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : Ⅰ動詞1 (由此岸到彼岸;通過) cross (a river the sea etc ) 2 (渡過) tide over; pull through 3 ...
  • : 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...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • 過渡 : transition; transit
  • 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
  1. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的流差動保護無論對於何種形式的輸線路都是一種簡單、可靠、選擇性強的保護形式,力系統的發展使得流差動保護應用於線路保護成為需要,而子、通信技術的發展使得流差動保護應用於輸線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量流差動保護易受正常負荷流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值流差動保護在可靠性、靈敏度、抗流互感器飽和方面明顯優于常規相量流差動保護,對流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  2. In order to avoid gas blast because of short circuit, it should popularize shielded mine cable under coal mine. except insulated surface of part products adopting tinnint brass wires and nylon wires, its protective shield adopting conducting rubber and shielded layer which transition resistance not bigger than 3k. the protective layer adopt high machinery chloroprene rubber which is fireproof

    為防止纜相間短路而造成瓦斯氣體爆炸,在煤礦井下應大力推廣使用屏蔽礦用纜,除部分產品的絕緣表面採用鍍錫銅絲和尼絲交叉紡織之外,其外屏蔽型纜的保護屏蔽採用導橡皮及屏蔽層,其屏蔽層的過渡電阻不大於
  3. Then, this thesis presents an algorithn of 2 - terminal quantity fault location based on synchronous gps sampling. this algorithm conducts fault location with only the 3 - phase fundemental wave voltage and current phasors of the 2 terminals of transmission lines and apples to lines of both symmetrical and asymmetrical parameters, irrelerant to the impedence, fault types and transitional resistance of the 2 terminals of lines

    然後,本文提出了一種基於gps同步采樣的雙端量故障測距演算法。該演算法僅利用輸線路兩端的三相基波壓、流分量來進行故障定位,不受線路兩端系統抗、故障類型、過渡電阻等因素的影響,對參數對稱線路和非對稱線路均適用。
  4. Because affected by the type of lines, fault resistance and two sides systems , fault analytical location has lower precision, but it has no dead line and is more better accurate if the fault location is close to the line terminal

    故障分析法由於受線路類型、過渡電阻、兩端系統的影響測距精度較差,但故障分析法不存在測距死區,尤其對近區故障的測距較為準確。
  5. In the next place, an improved algorithm of grounding fault location for tree - type distribution system which is based on new fault function and criterion measure, is proposed in order to complete fault branch ide ntification, fault location and fault value. a lot of the simulation of fault diagnosis and location by computer demonstrate that the algorithm is effective

    其次論文基於輻射狀饋線的任一分支線路發生接地故障,通分析與推導,建構了配線路單相短路點定位的故障定位函數和相應的故障判據,利用樹網單端信息完成故障分支識別、故障定位和過渡電阻定值。
  6. 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接地故障的難題。
  7. The transition resistance with shield of masterstrok core converted into 20 is not more 3k

    主線芯屏蔽層的過渡電阻換算到
  8. Its accuracy can not be affected by coupled inductance, fault resistance, distributed capacitance and asynchronous angle

    該測距方法在原理上不受線間互感、過渡電阻、分佈容、不同步角的影響。
  9. The tests show that the neural network impedance relay has good function to anti fault resistance and adaptability to variation of system condition

    經測試該神經網路抗繼器具有良好的抗過渡電阻功能,且能自適應于系統工況的變化。
  10. With the aid of phase - mode transformation, one line fault and cross line fault positions are determined in mode - domain accurately

    該演算法不受系統抗和過渡電阻的影響,並且消除了雙回線間耦合的影響,可用於單回線故障和跨線故障的測距。
  11. In order to deal with oscillation and fault resistance, the paper presents a new method of adaptive distance relay protection based the above relay protection

    同時對系統振蕩和過渡電阻對保護的影響進行了研究,提出了一種自適應距離保護模型。
  12. Only using data of single - terminal, the algorithm can eliminate the influences of the fault resistances and it need n ' t resolve the complicated equation of long line

    這種方法僅採用線路的單端數據,不受故障過渡電阻的影響,無需求解復雜的長線方程。
  13. The results of simulation show that the two algorithms are dependable and high precision, almost without any alteration when fault type, transition resistance and system parameter change

    模擬結果表明,本文提出的兩種雙端故障測距新演算法具有可靠性高、測距精度高的特點,完全不受故障類型、過渡電阻和系統參數的影響。
  14. The influences of several factors such as harmonics, intermittent arc grounding, ct, load and fault resistance have been thoroughly analyzed, therefore, it is fundamental work for its application

    深入細致地分析了諧波、間歇弧、流互感器、負荷、過渡電阻等多個因素對故障選線結果的影響,為方案的實用化奠定了基礎。
  15. Since it is immune to load change, immune to the value of grounded resistance change and its parameters can be easily measured, the fault location algorithm can be widely applied to the power distribution networks

    基於此論文還編制了單相接地故障定位的計算機通用程序。該測距演算法不受負載參數變化的影響,不受接地過渡電阻值大小的影響。
  16. The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution

    其中的有載調壓分接開關,它是一種完全由固態繼器作為分接開關執行機構,由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構,由單片機根據變壓器二次側壓的高低,決定與變壓器各分接頭聯接的固態繼器的工作狀態。調節速度快,改變分接頭時不需過渡電阻,沖擊流小,可頻繁操作;無弧產生,可以直接放在變壓器油箱中;結構簡單,造價低,便於在配變壓器中推廣使用。
  17. This paper is based on the pingpong bridge field ground protection, it presents one point to ground protection scheme which include the self - checking method of switches. the two point to ground protection scheme presents self - adapting fault location warp criterion after evaluating the effect on the calculation of fault location made by the change of transient resistance in the process of bridge switch. in order to make up the shortcoming of location warp criterion, this paper presents a comprehensive scheme into which integrate the second harmonic criterion

    本文針對乒乓式保護,結合開關自檢方法提出了完整的一點接地保護方案:在兩點接地保護方案中估算了開關切換程中過渡電阻變化對接地點位置計算的影響,提出了故障位置偏差式兩點接地的自適應判據,為了彌補該判據的缺陷,提出了結合二次諧波輔助判據的綜合方案。
  18. But due to the existence of the fault resistance, the branch current, the zero sequence mutual coupling and so on, the apparent impedances and protection scope of distance protection will change, thereby affecting the performance of distance protection and the safety operation of power system

    然而,由於過渡電阻、分支流和零序互感等因素的影響,會改變距離保護測量抗的大小,造成距離保護動作范圍的擴大與縮小,從而影響距離保護的性能,威脅力系統的安全運行。
  19. The other is based on genetic arithmetic. simulation results show that the results could be got easily, stably accurately by three methods, which is totally not affected by the type of fault, transition resistance, system parameters and avoiding the fake root problem

    大量模擬結果表明:本文提出的三種方法計算較為簡單,穩定性好,具有很高的精度,完全不受故障類型、過渡電阻和系統參數的影響,且有效避免了偽根問題。
  20. This paper discusses and analyses several principal points affecting the performance of regular distance protection, such as the fault resistance, the branch current, the zero sequence mutual coupling and so on. then some concrete application of adaptive concept to distance protection will be analyzed and studied

    本文對于影響常規距離保護性能的一些主要因素如過渡電阻、分支流和零序互感等進行了分析和討論,在此基礎上對于自適應思想在距離保護上的一些具體應用進行了分析和研究。
分享友人