冰的电气特性影响输电线路覆冰绝缘子闪络电压。
The flashover voltage of iced insulators of transmission lines is affected by the electrical characteristic of ice.
不同型式染污绝缘子沿爬电距离的闪络电压梯度;
The voltage gradient of five types of polluted insulators according to the leakage distance.
污秽闪络特性是输电线路外绝缘选择的重要依据之一。
Pollution flashover performance is one of the key issues of external insulation selection of transmission lines.
简介了真空表面闪络机理,径向绝缘结构的设计思路。
The theory of vacuum flashover and the idea of design are briefly introduced.
介绍了高压电力设备外绝缘发生污秽闪络的过程和特点。
The process and feature of flashover of hv power appliance under pollution is described.
为了更好的研究快脉冲真空闪络,宜选用指形电极结构。
For the pulsed vacuum flashover research, the finger electrode configuration is a better choice.
文章通过试验探索了合成绝缘子“不明原因”闪络的原因。
Through experiments the reason of unidentified flashover of composite insulators is seeked in this paper.
线路绝缘子发生覆冰闪络故障,对线路安全运行造成威胁。
The ice flashover accident of transmission line insulator is harmful for transmission line safe operation. The cause of insulator ice flashover is the ice bridge.
过电压保护器可以大大降低附近雷击感应电压导致的闪络率。
Over-voltage protector can be greatly reduced near lightning flashover rates caused by induction voltage.
线路绝缘子发生覆冰闪络故障,对线路安全运行造成了威胁。
The menace of transmission line safe operation is the ice flashover accident of transmission line insulator.
带电覆冰对绝缘子的覆冰状况、覆冰密度和闪络电压均有影响。
For energized icing, icing state, ice density and flashover voltage are affected.
电网闪络威胁到催化裂化装置烟气轮机-主风机组的运行安全。
Electrical network flashing will threaten the safe operation of flue gas expander-main blower set in FCC unit.
本文从理论和试验两方面研究了冰雪条件下绝缘子交流闪络特性。
This paper investigated AC flashover performance of insulators covered with snow or ice condition in tow ways of theory and test analysis.
真空高压二极管中的电子回流是造成绝缘子表面闪络的重要因素。
Reflux of electron of high voltage vacuum diode is one of the main factors to cause the dielectric surface flashover.
对影响表面闪络发生因素,提高表面闪络电压阈值方法进行了分析。
The factors which influenced the surface flashover and the way to rise the withstand voltage are also been analyzed.
本文为绝缘子串在干燥和清洁条件下合成电压闪络特性的实验研究结果。
This paper presents the results of the experimental studies on the flashover characteristics of insulator strings under dry and clean conditions applied with composite voltages.
脉冲和放电量统计表明本文方法更符合实际,研究污秽闪络机理更有效。
According to the statistic of impulses and amount of discharge, it indicates the method put forward by this paper is more effective way to study the mechanism of pollution flashover.
本文就电网闪络作了阐述,并提出了化工生产中抗电网波动的解决办法。
The article explains grid flashing, and puts forward ways to solve the problem of grid fluctuation in chemical fluctuation.
输电线路覆冰可引起导线舞动、杆塔倾斜、倒塌、断线及绝缘子闪络等问题。
Transmission line regelation may cause conductor galloping, pole leaning or collapse, conductor breaking or insulator flashover etc.
对电力电缆故障冲击高压闪络测试(简称冲闪测试)系统的放电响应进行了研究。
The current and voltage response of surge discharge circuit to impulse flashover voltage test system is analyzed.
国内外学者对覆冰绝缘子闪络特性进行了大量研究,但是对闪络机理的研究不多。
Therefore, a systematic study of flashover performance and mechanism of insulators covered-with ice has both a very important academic meaning and an engineering value.
1998年底阳泉地区发生线路绝缘子覆冰闪络故障,对线路安全运行造成了威胁。
The running safety of line was threatened by insulator sleet covering flashover derault of line at the late of 1998.
介绍了一种雷击闪络电流传感器的研制过程,及其解决的主要问题,给出了研究成果。
The paper introduces the development process of a new lightning flashover current sensor and main problem solved, and gives the research result.
陶瓷绝缘子沿面闪络是制约电真空器件绝缘性能、影响设备正常运行的关键因素之一。
Surface flashover of ceramic insulators used in vacuum devices restricts the insulating properties of the vacuum devices.
针对高压绝缘子污秽闪络的巨大危害,采用自由软件设计了绝缘子污秽在线监测系统。
In view of the huge damage of high voltage insulator contamination flashover, an on-line monitoring and measurement system of insulator contamination based on free software is designed.
覆冰绝缘子伞裙间隙未桥接时,冰凌尖端的放电是影响绝缘子闪络电压的主要因素之一。
The discharge at the top of icicle is one of the main factors influencing flashover voltage when the air gap amid the sheds of ice-covered insulators is not bridged.
对决定电网绝缘子的清扫周期,有效防止电网大面积污秽闪络事故的发生有明显的作用。
It is evident that the instrument can be applied to determine the time period for cleaning the insulators and to prevent the power network from the accident caused by dirt sparks in a large area.
污秽合成绝缘子在酸雾、盐雾中闪络电压随污秽程度的增大而降低,随雾水电导率的增加而降低。
The flashover voltage of polluted composite insulators is decreased with increase of SDD and the fog conductivity in acid fog and salt fog.
污秽合成绝缘子在酸雾、盐雾中闪络电压随污秽程度的增大而降低,随雾水电导率的增加而降低。
The flashover voltage of polluted composite insulators is decreased with increase of SDD and the fog conductivity in acid fog and salt fog.
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