Haddouche Ali , Dib Djalel , A. Benretem , Protection of the Transformation Stations Against the Atmospheric Overvoltages, Journal of Engineering and Applied Sciences, Volume 2,Issue 1, 2007, Pages 199-202, ISSN 1816-949x, jeasci.2007.199.202, (https://makhillpublications.co/view-article.php?doi=jeasci.2007.199.202) Abstract: The electric constraint limitation everywhere where they produce is himself a very important asset for a natural tendency toward economy, that wat conduct to choices intervening directly on the constituent materials measurements of the électro-energizing protection systems. In a paradoxical context, the Corona effect plays a beneficial role for a better stake in Ĺ“uvre of electric work protection means. Keywords: Overvoltage;effect crowns;thunderbolt;protection;HT line