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Wind power has a significant impact on the operation of electricity markets in areas with high penetration of wind power. As the electricity market is planned some hours in advance, it is necessary to forecast the wind power. Besides, wind power forecasting techniques can be adapted for the overhead line rating forecasting. This can be useful for defining advanced strategies for grid operation and...
The sag-tension model of an overhead conductor in operation is analyzed. A monitoring system measures the conductor tension and temperature. With the measured data obtained in a pilot installation and considering the theoretical values obtained by calculation, the factors that affect the sagtension model of an overhead conductor are analyzed.
The paper describes a monitoring system for the evaluation of the low sag behavior of the overhead conductors. The monitoring system measures the conductor tension and temperature. This system includes a methodology for the analysis of the measured data, and obtains the theoretical tension-temperature curve that estimates the conductor's behavior.
Among the different alternatives to achieve the uprating and better use of existing overhead power lines are the use of high temperature low sag conductors and the use of real time monitoring systems for knowing the ampacity of the lines. So far, the uprating of a power line through both alternatives have been considered separately. However, it is possible to combine both solutions and obtain greater...
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