污闪

利用基于气象因素的BP神经网络对污闪进行预测的探索

Explore of Forecast for Flashover through BP Neural-network Modeling Based on Meteorology Factor

在Hilbert谱基础上，分析了泄漏电流固有模态能量比、固有模态能量熵和基于Hilbert谱频段能量比在污闪全过程中的变化情况。

The intrinsic mode energy ratio , the intrinsic mode energy entropy and the frequency band energy based on Hilbert spectrum during the whole flashover process are analyzed .

基于多层次Fuzzy因素的绝缘子污闪发展趋势综合评判

Synthetical Evaluation the Tendency of Insulators ' Flashover Based on Multi-layer Fuzzy Factor

分析可知盐密和灰密对不同型式绝缘子污闪电压的影响有差异，特征指数c、d反应了盐密和灰密对污闪特性的影响程度。

The influences of salt density and dust density on the polluted flashover voltages of various types of insulators are different and can be characterized with the exponents c and d respectively .

RTV硅橡胶涂层耐污闪性能及憎水迁移特性

The Pollution and Hydrophobicity Properties of RTV Coating

华东电网500kV输电线路污闪的原因及对策

500 kV Transmission Line Pollution Flash over , Its Reason and Preventive Measures

220kV变电站污闪分析和对策

Analysis and countermeasures of 220 kV substation pollution flashover

浙江电网500kV线路污闪原因分析

Cause Analysis of Pollution Flashover of 500 kV Line in Zhejiang Electric Power Network

且随着污秽程度的增加，V型布置相对于I型布置的污闪电压提高的百分数和II型布置相对于I型布置降低的百分数均增大。

Along with the increase of pollution degree , the increase percentage of pollution flashover voltage of V-shape arrangement and the decrease percentage of pollution flashover voltage of II-shape arrangement in comparison with I-shape arrangement are enlarged .

高海拔地区±800kV复合支柱绝缘子直流污闪特性

DC Flashover Performance of ± 800 kV Composite Post Insulator in High Altitude Area

佛山电网110～500kV输电线路污闪事故与对策

The Accident and Countermeasure of 110 ~ 500 kV Transmission Line of Fushan Power Grid

110kV大新线耐张杆瓷绝缘子串污闪跳闸分析

Analysis on Flashover Shutdown of Porcelain Insulator of Tension Pole of 10 kV Daxin line

关于500kV升压站支柱绝缘子污闪防治的探讨

Some Discussion on Prevention and Control of Pollution Flashover Caused by Post Insulator in 500 kV Step-up Substation

室温硫化硅橡胶涂料（RTV涂料）可以有效防止污闪事故，已在我国电力系统中广泛应用。

Room Temperature Vulcanized ( RTV ) silicone rubber coating can prevent pollution flashover accident from happening , and it has been widely used in China .

介绍了事故情况并详细分析了这几起局部污闪的原因，针对这系列污闪事故提出了相应的反事故措施，探讨了500kV线路防污工作的方向。

Aiming at this series of pollution flashover accidents relevant anti-failure countermeasures were put forward and the destination of anti-pollution work for 500 kV lines was discussed .

通过对河北省南部电网2001年2月大面积污闪事故的分析，肯定了合成绝缘子、RTV涂料、硅橡胶伞裙的防污闪效果。

Through analyzing large area pollution flashover in February , 2001 in Hebei Southern power grid , composite insulators , RTV coating , and silicone rubber umbrella petticoats are defined as effective measures for preventing insulators from flashover .

采用定量涂刷法对3×XP-160绝缘子串进行染污，研究污秽中不溶物成分对交流污闪电压的影响。

Test results show that the components of nonsoluble contaminations have influence on the AC flashover voltage of polluted XP-160 insulators .

RTV涂料作为防止电瓷污闪的一项新技术，在我省110kV输变电设备得到应用，取得良好效果。

The room temperature vulcahized ( RTV ) coating regarded as one kind of new technology of flashover protection of insulators has been applied to both transmission and distribution facilities in our province , and gives a good result .

通过对2006年1月29日发生在山西省500kV榆临输电线路上的污闪跳闸停电事故及近年来山西省防污闪措施的分析，提出一些防污闪措施的建议。

This article indicates some relative flash decontamination measurements for us to discuss together , which are derived from the accident of Shanxi 500 kV Yu Lin transmission line pollution flash trip-off power cut and from the recently analysis of our province flash decontamination measurements .

佛山供电局220kV南北线路发生污闪跳闸，对该线路的绝缘子进行性能评价试验，试验结果表明瓷质绝缘子具有较好的运行性能及可靠性。

In view of the pollution-flashover-caused tripping operation of 220 kV Nanbei Line of Foshan Power Supply Bureau , a performance estimation test on insulators removed from the line was conducted , the results of which showed the favorable operation characteristics and reliability of porcelain insulators .

通过对110kV大新线污闪跳闸事故的调查，分析了耐张杆双串涂料瓷绝缘子发生闪络跳闸的原因，根据运行环境的实际情况，提出了防污闪技术对策。

By means of investigation on flashover shutdown accident of 110 kV Daxin line , it is analyzed that flashover shutdown causes occurred in the tension pole double bunch dope porcelain insulator . According to the actual practice , countermeasures of the anti-flashover technology is raised .

在临界闪络时，电弧中心的温度高达12500K，这个数值已接近钠原子全电离温度，试验结果有助于污闪放电机理的研究。

Tempe-rature of the arc core reached about 12500K . It is just the temperature of complete joni - : zation of sodium atom . The results of our experiment should be aimed at the research on the mechanism of pollution flashover .

高压直流输电合成绝缘子耐污闪性能的研究

A research into anti pollution flashover property of HVDC transmission composite

染污绝缘子在直流电压下的污闪条件分析

Analysis of the Flashover Criterion of Polluted Insulator under DC Voltage

沈阳地区线路污闪跳闸原因与对策

Causes of Pollution Tripping of Shenyang District Lines and the Countermeasures

架空线路污闪机理及防污措施

The Mechanism of Contamination Flashover of Overhead Lines and Anti-contamination Measures

低气压下绝缘子串直流污闪放电过程

DC Pollution Flashover Process for Insulator String at Low Air Pressure

概率统计在绝缘子污闪风险性评估中的应用

Application of Statistical Method in Evaluating Pollution Flashover Risk of Insulators

复合绝缘子憎水性及直流污闪特性的影响因素

Influence Factors of Hydrophobicity and DC Flashover Performance for Composite Insulators

渭南电网污闪跳闸原因探析

Reason Analysis of Trip Caused by Pollution Flashover in Weinan Power Network