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直流闪络
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  dc flashover
     Study of DC Flashover Performance and Mechanism of Iced & Polluted Insulators at Altitude of 2500m Below
     海拔2500m以下污秽覆冰绝缘子直流闪络特性及机理研究
短句来源
     Study of DC Flashover Performance and Mechanism of a Cylindrical Ice Model and Post Insulators Covered-with Ice
     冰柱模型和支柱绝缘子覆冰直流闪络特性与机理研究
短句来源
     and the DC flashover voltage gradient of a longer insulator string is lower than shorter one, the flashover frequency is linear with voltage gradient;
     长串的直流闪络梯度较短串小 ,闪络频率与电压梯度成正比 ;
短句来源
     STUDY ON DC FLASHOVER PERFORMANCE OF THREE TYPES OF ICED POST INSULATORS AT LOWER ATMOSPHERIC PRESUURE
     低气压下三种覆冰支柱绝缘子直流闪络特性研究
短句来源
     Based on the test results carried out on 160kN porcelain and glass AC insulators, a DC insulator and a 35kV composite insulator in the artificial climate chamber, this paper puts forward the flashover performance of the tested insulators in coexisting condition of high altitude, contamination and icing, and analyzes the effect of various pressures and contaminations on the AC and DC flashover voltages of the insulators without ice, and the effect of ice amount on them under high altitude and contamination condition respectively;
     根据在人工气候室内对交流160 kN级染污瓷质、玻璃及35 kV合成绝缘子以及一种形式的直流绝缘子大量的试验研究结果,得出了绝缘子在高海拔、污秽及覆冰条件下不同绝缘子的闪络特性,并分别分析了无覆冰时不同气压、污秽对绝缘子交、直流闪络电压的影响和高海拔污秽地区绝缘子覆冰量的变化对交直流闪络电压的影响;
短句来源
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  “直流闪络”译为未确定词的双语例句
     Based on above test results and theoretical analyses, this paper put forward both a calculation expression for correcting insulators flashover voltage and a method for choosing insulator in the complex atmospheric environment.
     基于上面的试验结果和理论分析,本文最后提出了复杂环境中绝缘子的选择方法及绝缘子直流闪络电压的校正公式。
短句来源
     Analyzed the results of DC experiments of the model, the influence of the atmospheric pressure and the conductivity of freezing-water on the values of flashover voltage and the critical flashover current is gained. The lower air pressure is and the higher freezing-water conductivity is, the smaller the values of the flashover voltage and the critical flashover current are.
     分析了冰柱模型表面直流闪络的特性和机理,结果表明气压和结冰水电导率对冰表面直流闪络的电压和临界闪络电流有很大的影响,随着气压的降低和结冰水电导率的增加,闪络电压和临界闪络电流值下降,同时发现正极性的闪络电压低于负极性的。
短句来源
     DC+ flashover voltage is lower than DC- on the model surface. (3) The conductivity of freezing-water and the atmospheric pressure have influence on the flashover voltages and critical flashover currents of three kinds of post insulators under heavy icing condition.
     (3)研究结果表明覆冰水电导率和气压对三种典型真实支柱绝缘子全桥覆冰模型的直流闪络电压和临界闪络电流均有一定的影响。
短句来源
     The flashover voltage of insulators descend with the increase of thelength of particle, and ascend with the increase of the diameter of particle, and thesurface charge density of insulator diminished obviously after flashover.
     真空中绝缘子直流闪络电压随颗粒长度的增加而变小,随颗粒直径的增加而变大,闪络后绝缘子表面电荷密度明显下降。
短句来源
     According to the test results, this paper presents the relation curves of iced insulator strings between the lowest flashover voltage and the ice weight on insulators, the conductivity of the water used to form ice and the critieal leakage current, and analyses the flashover process of iced insulator strings.
     根据大量试验结果,本文给出了覆冰绝缘子的最低闪络电压与覆冰量、冰水电导率以及临界泄漏电流的关系曲线,分析了覆冰绝缘子的直流闪络过程。
短句来源
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  相似匹配句对
     STUDY OF THE FLASHOVER DEVELOPMENT OF CONTAMINATED DC INSULATOR SURFACES
     直流绝缘子污秽闪络前现象的研究
短句来源
     Contamination Flashover Performance of DC Insulator Strings
     直流绝缘子串污秽闪络特性研究
短句来源
     Basic Direct Current Circuits
     直流电路
短句来源
     Causes and Solutions of Electric Network Flashover
     电网闪络的对策
短句来源
     DC Active Harmonic Filter
     有源直流滤波器
短句来源
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In this paper, the relation between the DC polluted flashover voltage of 6 kinds of insulators and atmospheric pressure, ESDD was presented according to the test results of suspension insulators XP-7, XWP2-7, DC-2# 16 and support insulators ZS1-35-400 , ZWS1-35-400 conducted in artificial climate chamber. The contaminated flashover characteristics of various structure insulators have been analysed . The selective principle of characteristic exponent n which reflects the decrease of polluted flashover voltage...

In this paper, the relation between the DC polluted flashover voltage of 6 kinds of insulators and atmospheric pressure, ESDD was presented according to the test results of suspension insulators XP-7, XWP2-7, DC-2# 16 and support insulators ZS1-35-400 , ZWS1-35-400 conducted in artificial climate chamber. The contaminated flashover characteristics of various structure insulators have been analysed . The selective principle of characteristic exponent n which reflects the decrease of polluted flashover voltage with the ecline of pressure was proposed. The test results under DC were compared with those under AC.

根据在人工气侯室内对悬式绝缘子XP—7,XWP2—7,DC—Ⅱ—16和支柱绝缘子ZS1—35—400,ZWS1—35—400的直流污闪试验结果,得到了直流闪络电压与气压和盐密的关系,并对不同结构绝缘子的污闪特性进行了分析,提出了表征直流污闪电压随气压降低而下降的特性指数n值的选取原则,并与交流下的结果进行了比较和分析。

According to the test results, this paper presents the relation curves of iced insulator strings between the lowest flashover voltage and the ice weight on insulators, the conductivity of the water used to form ice and the critieal leakage current, and analyses the flashover process of iced insulator strings.

根据大量试验结果,本文给出了覆冰绝缘子的最低闪络电压与覆冰量、冰水电导率以及临界泄漏电流的关系曲线,分析了覆冰绝缘子的直流闪络过程。

The effect of insulator surface charges on DC corona initial voltage and V-I characteristic in non-uniform field is studied. The experiment of determining DC minimum flashover voltage is proposed. The mechanism of surface charges influen -cing the process of flashover is analyzed.

研究了固体绝缘表面电荷对不均匀电场直流电晕起始电压、伏安特性的影响。提出了确定最低直流闪络电压的实验方法,并分析沿面闪络过程受表面电荷的影响及其机理,对电气设备绝缘系统设计有实际意义。

 
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