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Overhead distribution lines are usually subject to voltage transients during thunderstorms. Lightning flashes, whether direct or indirect, are one of the main causes of power quality disturbances on the electric grid. In this paper, a methodology to establish a correlation between the incidence point of a lightning flash, the stroke current amplitude and polarity and its effects on the electric distribution...
Overhead power distribution lines have significant power quality variations (voltage transients) during thunderstorms. Lightning strokes, whether direct or indirect, are among the main causes of such power quality disturbances. In order to assist the analysis of lightning effects on power quality indices, we present in this paper a monitoring network and an integrated database analysis, including...
This article describes the development of a R&D project of a distribution transformer with integrated electricity measuring system. The system has as main objective the energy measurement of the transformers customer consumption and offers various information related to electrical distribution network to the utility and informs in real time the occurrence of any event. This R&D project was...
This paper presents the development of an automatic system designed to measure fast electromagnetic transients on energized distribution network on both, medium and low voltage circuits. The four developed systems were installed on class 15 kV feeders. The feeders were chosen according to the flash lightning density levels of the region. Besides the constructive details of the develop system, the...
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