sag of cable

The mechanical calculation of ADSS fiber optic cable is introduced and the calculation formulae for sag, tension, strain and slack length etc are given.

介绍了ADSS光缆的力学计算，给出了光缆弧垂、张力、应变和悬长等计算公式，并对普遍采用的“悬链线”和“抛物线”两种计算方法加以比较。

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analysis and application of the relationship between length and arch sag of cable

钢索长度与弧垂关系的分析及应用

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The dynamic voltage restorer is designed as unilateral energy flow equipment which can compensate continuous voltage sag or swell resulted from the voltage drop of power cable.

动态电压恢复器采用单向馈能电路结构，可以在能量单向流动的情况下，实现对因电缆压降而产生的电压暂降或暂升的持续补偿。

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Finally, the effects of the initial angle of incidence and cable sag on aerostatic stability of Ting Kau Bridge are discussed.

最后，探讨了初始风攻角对汀九桥静风稳定性的影响。

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