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覆冰量的英文

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"覆冰量"怎么读用"覆冰量"造句

英文翻译手机手机版

  • ice concentration
  • ice cover

例句与用法

  • On the test investigation , a lot of flashover tests are made in 10kv , 35kv and 63kv voltage condition on post insulators and suspensor insulators , including all conditions covered with snow or ice . which included different environment temperature , different melted ice and melted snow etc multi - condition
    试验中,对不同冠雪量、不同覆冰量、不同温度及不同融冰、融雪等多种情况,环境温度在零上几度,零下十几度到几十度等不同情况进行了试验。
  • 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
    本文主要进行了以下试验研究: 1 )在多功能人工气候室里模拟不同覆冰程度下合成绝缘子的交流闪络特性,主要分析覆冰量和覆冰水电导率对闪络电压的影响,并对其覆冰闪络过程进行机理分析; 2 )在多功能人工气候室里模拟不同海拔高度和覆冰程度综合作用下合成绝缘子的交流闪络特性,主要分析海拔高度(即气压)和覆冰量对闪络电压的影响,并进行闪络机理分析; 3 )研究高海拔和覆冰对合成绝缘子憎水性的影响。
  • The study results show that the minimum ac flashover voltage decreases with the increase of the ice amount accreted on the insulator surface by an exponential law , and the down - trend of the minimum ac flashover voltage will slow gradually with the bridging of the shed of the insulators by icicles , both the average saturated ice amount and the special exponent m of effect of ice amount for different insulators depend on the radius of shed and the air - gaps of the sheds of the insulators , and that the ac ice flashover voltage decrease with the decrease pressure ratio p / p0 ( rise of the altitude ) by power - law for different esdd and icing - states when the altitude is from 4000m to 5500m . the special exponent n , which show the effects of altitude on the flashover voltage , is various with the type of insulator , icing - states and the surface status of iced insulator etc . , and that the minimum ac flashover voltage of iced insulators decreases by power - law with esdd or the freezing water conductivity for different ice amount and atmospheric
    研究结果表明:在不同海拔高度和等值盐密esdd下,绝缘子的最低交流冰闪电压均随覆冰量的增加而呈指数规律降低;当覆冰量增加到一定程度后,最低交流冰闪电压随覆冰量增加而降低的趋势趋于饱和;不同绝缘子串的平均饱和覆冰量及闪络电压的覆冰量影响特征指数m均与绝缘子的盘径和伞距等因素有关;在海拔4000 5500m之间,不同等值盐密esdd和覆冰状态下,绝缘子的交流冰闪电压随海拔高度的增加(气压的降低)与p / p0呈乘幂关系降低,气压影响特征指数n与绝缘子类型、覆冰类型、覆冰表面状况等因素有关;当覆冰量和气压一定时,绝缘子的最低冰闪电压均随着等值盐密( esdd )或覆冰水电导率的增加而呈乘幂关系降低,并逐渐趋于饱和。
  • 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
    本文的主要工作和结论如下:在人工气候室内,根据不同覆冰绝缘子正、负极性下的闪络试验结果,得出负极性电弧金属阴极的强电子发射能力造成了单片瓷、玻璃绝缘子及被冰凌桥接的合成绝缘子有较低负极性冰闪电压;正极性电弧金属阳极侧产生高电阻区所处位置的差异使得瓷和玻璃绝缘子串具有明显的极性效应;覆冰较少时,合成绝缘子表面出现数量较多的非极性电弧使合成绝缘子无极性效应。利用覆冰期内平均闪络电压的试验方法,对不同材质和结构的绝缘子在覆冰、低气压和污秽共存环境中的直流闪络特性进行了研究。试验结果表明,直流平均闪络电压随着海拔的升高、覆冰量的增加以及污秽度的增加而降低,且其特征指数与绝缘子结构、覆冰量、覆冰状态、污秽度等有关。
  • 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结论如下:根据不同绝缘子在人工气候室内模拟海拔3500m以上低气压下覆冰和污秽共存环境中的交流闪络特性的试验研究结果,得出了最低闪络电压与覆冰量、海拔(低气压)和污秽度等因素之间的规律。
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