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。
Pollution flashover accident of insulators may threaten the operation safety of power system, whereas, the research on pollution flashover circuit model is based on the plate model by now.
绝缘子污秽闪络事故严重威胁电力系统的安全可靠运行,目前国内外对污闪机理的研究主要以平板模型为基础。
This paper investigated AC flashover performance of insulators covered with snow or ice condition in tow ways of theory and test analysis.
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。
The flashover voltage of iced insulators of transmission lines is affected by the electrical characteristic of ice.
冰的电气特性影响输电线路覆冰绝缘子闪络电压。
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.
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。
Due to the varied topography and large icing area in China, the flashover accidents of ice-covered insulators happen with high frequency.
我国地形地貌复杂,覆冰面广,输电线路绝缘子冰闪事故时有发生。
By studying the electric field changes and the trend with time of different sections of composite insulators, each composite insulator flashover path is predicted.
通过研究合成绝缘子不同区段电场大小和随时间变化的态势,对合成绝缘子各自闪络路径进行预测。
Through experiments the reason of unidentified flashover of composite insulators is seeked in this paper.
文章通过试验探索了合成绝缘子“不明原因”闪络的原因。
The research work stated in this paper provided basis for enacting of pollution test method and further investigations of pollution flashover mechanism of synthetic insulators.
所介绍的试验结果对研究合成绝缘子的污闪机理和制订合成绝缘子的污闪试验方法标准有参考意义。
Surface flashover of ceramic insulators used in vacuum devices restricts the insulating properties of the vacuum devices.
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。
The polluted flashover voltages of insulators reduce with the increase of salt density or dust density, and both the influences of salt density and dust.
合成绝缘子具有很好的防污闪特性,但也会发生污秽闪络,这与常规的人工污秽试验仅考虑盐密的影响不无关系。
Through the model selection research on the flashover prevention capability of 7 kinds of insulators, the best model is chosen according to the research result.
对7种支柱绝缘子进行了防污闪能力的选型研究,并根据研究结果选取了最优型号。
Meanwhile, the factors which affect the flashover voltage of ceramic insulators were analyzed, the methods for improving the hold-off voltage were recommended from the in.
接触网覆冰不仅影响接触线的弛度、支柱的容量,在一定程度上还影响着接触网绝缘子的闪络电压。
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.
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。
The room temperature vulcanized (RTV) silicone rubber coating on the surface of insulator can incrcase the flashover voltage of insulators due to the migration of hydrophobicity of RTV coating.
研究了环境温度、硅橡胶的分子量、交联程度和涂层厚度等因素对憎水迁移特性的影响并对憎水性迁移机理问题进行了讨论。
The room temperature vulcanized (RTV) silicone rubber coating on the surface of insulator can incrcase the flashover voltage of insulators due to the migration of hydrophobicity of RTV coating.
研究了环境温度、硅橡胶的分子量、交联程度和涂层厚度等因素对憎水迁移特性的影响并对憎水性迁移机理问题进行了讨论。
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