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.
通过导线覆冰试验,研究了输电导线覆冰的过程和规律,探讨了防止导线舞动的新途径。
Based on the tests, this article studied the process and the law of the coagulated ice on power transmission conductors and investigated into the new method of anti galloping.
以偏微分方程稳定性的判别为依据,提出了临界风速的概念用来判定导线舞动的稳定性。
Based on the stability of differential equation, a concept of critical wind was introduced to estimate the stability of galloping.
这种形式的舞动,属于驻波舞动。导线舞动时作周期性上下摇摆,其频率低振幅高而且能量大,有较强的破坏作用。
When the galloping occure, the transmission line vibrates up and down with low frequency, high amplitude and a great amount of energy, which causes great damage to the transmission line.
结果表明:导线的舞动主要取决于覆冰、风激励、线路结构和参数;
The results show that the formation of conductor galloping mostly depends on icing, wind as well as configuration and parameters of transmission lines. Den.
机械损坏主要是由舞动产生的导线张力的巨大变化引起的。
The mechanical damage is caused mainly by huge conductor tension variety arising from galloping.
应用稳定性理论并结合线路的实际工况分析了结冰导线的舞动机制。
Combining stability theory with reality of transmission line galloping mechanism of iced conductor was analyzed.
覆冰导线由于风载而造成的舞动,严重地威胁着输电线路的安全运行。
The galloping of iced conductor caused by wind load severely imperils the safe operation of the high voltage transmission line.
在结合两种舞动模型的基础上,用有限元方法建立了覆冰导线的计算模型,并编写程序计算导线的舞动。
A model of iced line is built by finite element method. A program is compiled to analyze transmission line galloping.
在结合两种舞动模型的基础上,用有限元方法建立了覆冰导线的计算模型,并编写程序计算导线的舞动。
A model of iced line is built by finite element method. A program is compiled to analyze transmission line galloping.
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