閃絡試驗 的英文怎麼說

中文拼音 [shǎnlàoshìyàn]
閃絡試驗 英文
flashover test
  • 閃 : Ⅰ動詞1 （躲閃; 閃避） dodge; get out of the way 2 （扭傷） twist; sprain 3 （突然出現） flash 4 ...
  • 絡 : 絡構詞成分。
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. Abstract : in this paper, characteristics of polluted insulator ' s operation state were analysised, studied the differences between each characteristics, the factors influencing lc significantly were found, including circumstance factors, and characteristics of leakage current ( lc ) were studied basing on artificial contamination test, obtained the relationship between leakage current and the influenced factors

    摘要:文章分析了表徵污穢絕緣子運行狀態的特徵量，比較了各特徵量的特點及其適用場所，總結了影響泄漏電流的特徵量，包括環境因素，並且在人工污穢試驗的基礎上，分析了泄漏電流在閃絡過程中的特徵，得出了泄漏電流與其基本特徵量之間的關系。
  2. The main tests and researches are as following : to study the ac flashover characteristic of composite insulator in different icing states by imitating tests in multifunctional artificial climate chamber, and analyze the effect of ice amount and icing water conductivity on flashover voltage, put forward a flashover mechanism by analyzing the icing flashover process. to study the ac flashover characteristic of composite insulator in different altitude and icing states together by imitating tests in multifunctional artificial climate chamber, and mainly analyze the effect of altitude ( air pressure ) and ice amount on flashover voltage, and investigate the flashover mechanism. to investigate the effect of high altitude and icing on the hydrophobicity of composite insulators

    本文主要進行了以下試驗研究： 1 ）在多功能人工氣候室里模擬不同覆冰程度下合成絕緣子的交流閃絡特性，主要分析覆冰量和覆冰水電導率對閃絡電壓的影響，並對其覆冰閃絡過程進行機理分析； 2 ）在多功能人工氣候室里模擬不同海拔高度和覆冰程度綜合作用下合成絕緣子的交流閃絡特性，主要分析海拔高度（即氣壓）和覆冰量對閃絡電壓的影響，並進行閃絡機理分析； 3 ）研究高海拔和覆冰對合成絕緣子憎水性的影響。
  3. Upon existent theoretical and experimental results and based on a great of laboratory investigations carried out in chongqing university, for the first time this paper studies systematically the insulators dc discharge performance and flashover mechanism of iced insulators in the complex atmospheric environment, which will contribute to the understanding of flashover phenomena observed on ice surface at low air pressure and provide the test and theoretical reference for hv and ehv transmission lines design and safety service

    為此，在國內外現有工作的基礎上，通過大量的試驗研究，本文主要研究了復雜環境中絕緣子的直流閃絡特性及閃絡機理。其結果有助於進一步了解低氣壓下覆冰絕緣子的閃絡現象，並可為輸電線路的設計和安全運行提供理論依據。
  4. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  5. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  6. The main contributions to the study on the flashover of insulators in vacuum are as follows : 1. a set of test system for the studies on flashover of insulators in vacuum has been developed, which consists of vacuum system, electrode system, e - dot pulse voltage measurement system, surface charge measurement system, current monitor system and luminescence signal measurement system

    本文主要完成了以下工作： 1 .通過設計加工真空及試驗電極系統，研製e - dot沖擊電壓測量系統、真空中表面電荷測量系統、沖擊電流和表面微弱光信號測量系統，建成了國內第一套用於研究真空中絕緣子沿面閃絡現象的試驗平臺。
  7. The influence of surface treatment ( surface polish ) on the flashover performance has been investigated with different kinds of alumina ceramics. it was found that the surface roughness could be used as a reference value for evaluating the influence of surface polish to a certain degree. the experimental results show that the samples with a rougher surface ( polished by sic ) have a worse flashover performance

    試驗發現，在一定程度上，表面粗糙度可以作為一個評價表面研磨處理對材料沿面閃絡特性影響的指標，採用碳化硅磨料對氧化鋁陶瓷進行處理后，如果材料的表面粗糙度越高，則其沿面閃絡電壓越低。
  8. The paper studied withstand voltage level, influence factors, breakdown process and breakdown mechanism of covered with snow or ice through some theory calculation results, many test data and phenomena. the paper got the conclusions that withstand voltage strength of insulator covered with snow or ice descended largely, and the amount of ice or snow build - up, number of flashover, string length, environment temperature and leak current etc had obvious effects on flashover voltage values of insulators

    通過大量的試驗數據和現象研究冰雪條件下絕緣子的耐壓水平、影響因素及其擊穿機理，如串長的影響、環境溫度、絕緣子形狀及冰的干濕程度、閃絡次數、冠雪量和積冰量的影響、雪的密度、氣壓和濕度的影響等，並對試驗結果與理論分析結果進行了對比，分析其是否一致。
  9. The contribution of the paper can conclude as following : according to the laboratory investigations carried out on the ac flashover performance of two types of porcelain insulators and four types of composite insulators at the atmospheric environment of low pressure at a high altitude with pollution and icing, the relations between the minimum ac flashover voltage and the ice amount, the atmospheric pressure as well as the contamination level are obtained

    本文研究的主要工作和結論如下：根據不同絕緣子在人工氣候室內模擬海拔3500m以上低氣壓下覆冰和污穢共存環境中的交流閃絡特性的試驗研究結果，得出了最低閃絡電壓與覆冰量、海拔（低氣壓）和污穢度等因素之間的規律。
  10. Based on a great of laboratory investigation carried out on the ac flashover performance of several types of insulators in the multi - function artificial climate chamber of chongqing university, this paper studies systematically the ac flashover performance of several type of insulators and puts forward a flashover voltage correction method for the atmospheric environment at altitude of 3500 m above, and discusses the flashover process and mechanism of the iced insulator

    本文在國內外現有研究成果的基礎上，通過大量的人工氣候室模擬試驗研究和理論分析，對海拔3500m以上地區覆冰和污穢絕緣子的交流閃絡特性及閃絡電壓的校正方法進行了系統研究，並對覆冰合成絕緣子的閃絡過程和機理進行了初步探討。
  11. A lot of observation and reports in the world indicated that flashover voltage of insulator covered with snow or ice descended obviously

    國內外大量試驗觀察和報告表明，冰雪條件下絕緣子的閃絡電壓明顯下降，對電力系統危害極大。
  12. This paper investigated ac flashover performance of insulators covered with snow or ice condition in tow ways of theory and test analysis

    本文從理論和試驗兩方面研究了冰雪條件下絕緣子交流閃絡特性。
  13. And it would last a long time because of the flashover development, it ' s difficult to data acquisition or logging the leakage current waveform by currently instruments

    並且泄漏電流的持續時間長，試驗中利用現有儀器觀測和記錄整個閃絡過程難以實現。
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