室外导线在大风中摆动（晃动），在东北冬天下冻雨或雨夹雪，导线会因为上面有冰摆动幅度（舞动）加大，导致线间放电而短路，烧毁变压器。
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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.
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