1) artificial pollution test
人工污秽试验
1.
However,the effect is neglected in the artificial pollution tests.
绝缘子表面不溶物质的类型和量对其污闪电压有影响,然而在以往人工污秽试验中常忽略这种影响。
2.
By means of artificial pollution test the contamination flashover characteristic of composite insulators lost hydrophobicity under DC voltage is researched.
通过人工污秽试验研究了丧失憎水性的复合绝缘子在直流电压下的污秽闪络特性,给出了两种憎水性状态下的复合绝缘子污闪电压,在憎水性完全丧失状态下时不同表面污秽度下的复合绝缘子50%闪络电压,文中还分析了表面污秽不均匀分布对污闪电压的影响。
2) artificial contamination test
人工污秽试验
1.
In order to research he flashover characteristics of the insulators for 800 kV UHVDC transmission line, the artificial contamination tests were carried out for different types of insulators under different pressures and in different typical kinds of equivalent salt deposit density(ESDD), and the test results were analyzed.
为了研究高海拔条件下±800kV直流输电线路用绝缘子的污闪特性,对不同类型的大吨位大盘径瓷和玻璃绝缘子,在不同污秽、不同气压条件下进行了系列的人工污秽试验,并对试验结果进行了分析。
2.
The results show that ESDD and NSDD have independent influence on the flashover voltage in artificial contamination test;the relationship between flashover voltage and ESDD,NSDD could be expressed as power function with a negative index.
针对电力系统绝缘子污秽闪络产生的危害问题,采用升压法对涂污秽物的单片瓷绝缘子(XP-210)进行人工污秽试验,分析了不同盐密(NaCl)、灰密(硅藻土)对单片瓷绝缘子闪络电压的影响。
3) artificial contamination test
污秽试验
1.
The characteristics of leakage current(LC) were studied based on artificial contamination test,which obtained the relationship between leakage current and the influenced factors.
分析了表征污秽绝缘子运行状态的特征量,比较了各特征量的特点及其适用场所,总结了影响泄漏电流的特征量,在人工污秽试验的基础上,讨论了泄漏电流在闪络过程中的特征,得出了泄漏电流与其基本特征量之间的关系,通过希尔伯特变换的方法提取了泄漏电流包络线,分析了电弧延伸在污闪发展过程中对泄漏电流的影响。
2.
In this paper, statistics characteristics of leakage current were studied basing on a large number of data obtained from artificial contamination test, the factors influencing leakage current significantly were found and a regression equation was established.
基于恒压净雾人工污秽试验数据,利用统计分析理论,分析了泄漏电流Ileak的特性,讨论了在人工污秽试验过程中,显著影响Ileak的因素,计算了各因素影响因子的大小,得到了电流的回归方程。
4) pollution test
污秽试验
1.
In this paper,a leakage current monitoring system suitable for pollution test is developed.
研制了一套适合污秽实验的泄漏电流测量系统,详细介绍了其传感器的设计原理以及过电压和过电流的保护设计,给出了软件部分的主要功能,并通过人工污秽试验,对系统进行了验证。
2.
This paper gave the relations between flashover voltage of pollution insulators and atmospheric pressure and the characteristic index n under DC voltage, introduced the former artificial pollution test at low altitude and the artificial pollution test results of DC post insulators at different atmospheric pressure that were finished recently.
文章给出了污秽绝缘子污闪电压和大气压的关系及直流电压下的特性指数n,介绍了原有低海拔人工污秽试验和新近在不同气压下完成的直流支柱绝缘子人工污秽试验结果,提出了对高海拔换流站直流场户外设备外绝缘进行海拔修正的意见。
3.
Based on the test results with two kinds of pollution test methods fo r composite insulators, this paper shows some problems in carrying out pollution flashover test and discusses how these problems will influence the test results and how to solve the problems.
通过对比复合绝缘子的两种污秽试验结果,提出了复合绝缘子污秽试验中所存在的一些问题,说明了这些问题对试验结果的影响情况,给出了解决这些问题的一些方法,并探讨了复合绝缘子憎水性恢复对污闪电压的影响。
5) artificial pollution
人工污秽
1.
The artificial pollution test is an important method for studying pollution flashover performance.
人工污秽试验是研究污闪特性的重要手段,IEC及我国标准推荐了多种人工污秽试验方法以进行绝缘子闪络特性的试验研究,并提出了几种不同的试验方式,目前常用的有均匀升压法、50%耐受电压法和最大耐受法,但对于不同试验方式下绝缘子污闪特性的差异仍需进行系统研究和比较。
2.
At present,some different artificial pollution experimental method have been recommended to investigate the flashover performance in IEC document and correlative standards,however,there is no any research about the difference among their results.
为对直流线路绝缘子人工污秽试验方法导则的制定和高海拔地区直流线路外绝缘设计提供参考,在1970m实际为试品,在人工雾室中对其不同人工污秽试验方法进行对比高海拔条件下,分别以大吨位钟罩型瓷绝缘子和复合绝缘子研究。
6) artificial and natural pollution
人工和自然污秽
1.
artificial and natural pollution flashover voltages of high-voltage line cap and pin insulators and substation post insulators to be used on 35～500 kV A.
调研了1980—1995年间在西安电瓷研究所污秽实验室进行的35～500 kV交流线路悬式和电站支柱绝缘子的人工和自然污秽闪络电压的分散性。
补充资料：人工受精与人工授精
人工受精与人工授精
artificial fertilization and artificial insemination
我国学者把“人工受精”与“人工授精”两名词区别开来：前者指人工体外受精而言，后者指把精液注入到妇女的阴道或宫颈管、宫腔内，使精、卵在体内相遇。人卵体外受精与胚胎移植后出生的婴儿俗称试管婴儿。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条