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发明公开
CN103323167A 一种输电线路导线应力与弧垂监测方法 失效 - 权利终止

一种输电线路导线应力与弧垂监测方法
摘要：
本发明一种输电线路导线应力与弧垂监测方法，属于输电线路导线应力与弧垂监测技术领域；所要解决的技术问题是：提供一种能从整体上精确反映输电线路导线的应力与弧垂的监测方法；采用的技术方案是：包括以下步骤：在输电线路导线上安装光纤拉力传感器，在输电线路导线上安装可移动式超声波发生器，在输电线路导线两端的杆塔上分别安装第一超声波接收器和第二超声波接收器，计算得出多组应力值和弧垂值，通过应力值利用最小二乘法得出应力拟合曲线，通过弧垂值利用最小二乘法得出弧垂拟合曲线；本发明适用于电力部门。
摘要（英）：

The invention provides a method for monitoring the stress and the sag of a transmission line conductor and belongs to the technical field of monitoring the stress and sag of the transmission line conductor. The invention aims to provide a monitoring method which can be used for accurately reflecting the stress and the sag of the transmission line conductor on the whole; and according to the technical scheme, the monitoring method comprises the following steps of: arranging an optical fiber tension sensor and a movable ultrasonic generator on the transmission line conductor, respectively arranging a first ultrasonic receiver and a second ultrasonic receiver on towers on the two ends of the transmission line conductor, calculating to obtain multiple groups of stress values and sag values, obtaining a stress fitted curve by using a least square method through the stress values, and obtaining a sag fitted curve by using a least square method through the sag values. The method is suitable for electric power departments.

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