Abstract
In order to safely operate the electric transmission lines, to monitoring the crossed span distance of the overhead lines is one of the key measures. Since the current measurement methods of crossed span distance of overhead line has high cost, low accuracy, and traditional measurement methods has l
Highlights
In order to safely operate the electric transmission lines, to monitoring the crossed span distance of the overhead lines is one of the key measures
The periodic measurement of the crossing distance of overhead line plays a vital role in the operation and maintenance of transmission lines
The method of manual measurement is still adopted, such as the theodolite [9], rangefinder [1011] and total station [12,13], which requires the surveyor to EAI Endorsed Transactions on carry the instrument to the site for measurement
Summary
In order to safely operate the electric transmission lines, to monitoring the crossed span distance of the overhead lines is one of the key measures. The method of manual measurement is still adopted, such as the theodolite [9], rangefinder [1011] and total station [12,13], which requires the surveyor to EAI Endorsed Transactions on carry the instrument to the site for measurement. These methods are accurate, but the work is heavy, the operation is tedious, and the measurement data cannot be stored and analysed in real time. This paper studies three-dimensional model and algorithm of the crossed span distance of overhead lines, calculates the crossed span distance of overhead lines under windless and windy conditions according to the change of three-dimensional inclination of the lines, and applies it to the online monitoring system to realize the fast and accurate measurement of the crossing distance of overhead lines
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