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Published by admin on 23 agosto 2021
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Within the framework of a project for Unión Fenosa Distribución, UFD, the high voltage laboratory LCOE and several professors from the UPM of the RIBAT research group have carried out a series of studies and field measurements to validate simplified methods for measuring the earthing resistance and step and contact voltages in substations of small and large dimensions.

On behalf of UFD, those responsible for the project have been Leopoldo Arroyo Gómez, project manager of the transformation projects unit, and Miguel Ángel Sánchez.

The objective of the project is to improve and simplify the measurement methods that UFD uses for the regulatory verification of its high voltage installations, maintaining the quality and reliability of the measurements carried out.

LCOE has carried out field measurements comparing the reference method of injection of current through an overhead line with other methods that inject the current through cables and auxiliary stakes. For the validation of the methods, the results of the theoretical simulations of the potentials created by the earth meshes have been combined with the analysis of the results of the field measurements in small as well as in large substations.

For more information you can contact: larroyo@ufd.es , psimon@ffii.es

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