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.
文章探讨了紧凑型线路安装相间间隔棒后的导线荷载分配量、导线张力、弛度的计算方法。
The paper discusses the calculation method for conductor load distribution, tension and sag after installation of phase to phase spacers on compact type transmission lines.
分析结果表明，接触导线线质、张力和刚度以及列车运行速度、波动传播速度和抬升力是影响导线疲劳可靠性的主要因素。
Analyses results show that the materials, tension and rigidity of wires, speed of trains, wave speed, and lift forces are primary factors that affect fatigue life of contact wires.
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