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Tension and Ampacity Monitoring System for Overhead Lines

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AlbizuIEEE2013.pdf (325.7Kb)
Date
2013-01-01
Author
Albizu Flórez, Igor ORCID
Fernández Herrero, Elvira ORCID
Eguía López, Pablo
Torres Iglesias, Esther
Mazón Sainz-Maza, Angel Javier
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IEEE Transactions on Power Delivery 28(1) : 3-10 (2013)
URI
http://hdl.handle.net/10810/9212
Abstract
Real time monitoring allows the determination of the line state and the calculation of the actual rating value. The real time monitoring systems measure sag, conductor tension, conductor temperature or weather related magnitudes. In this paper, a new ampacity monitoring system for overhead lines, based on the conductor tension, the ambient temperature, the solar radiation and the current intensity, is presented. The measurements are transmitted via GPRS to a control center where a software program calculates the ampacity value. The system takes into account the creep deformation experienced by the conductors during their lifetime and calibrates the tension-temperature reference and the maximum allowable temperature in order to obtain the ampacity. The system includes both hardware implementation and remote control software.
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