Ligne 150 KV - (Saint-Dizier - Vannes-le-Châtel)

### Nombre de pylônes:

198 pylônes à terme : 192 pylônes à 3 triangles + 5 pylônes à 6 triangles + 1 portique

## Détails:

### Date de suppression:

Partiellement supprimée entre 1990 et 1994 : dépose des tronçons Saint-Dizier - Cousancelles et Delouze-Rosières - Vannes-le-Châtel

## Présentation :

La ligne Saint-Dizier - Vannes-le-Châtel est une ancienne ligne à haute tension de 150 000 volts établie dans la région Grand-Est. Elle avait la particularité à l'origine de ne déboucher sur aucun poste car elle reliait deux portiques où elle se rejoignait avec d'autres lignes. Elle fut en partie démontée à la fin du 20e siècle.

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class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint-Dizier (portique)\n\u003C/p\u003E\u003C/div\u003E","title":"Saint-Dizier (portique)\n","link":"","lat":48.65865806219718,"lon":4.941235400169073,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EVannes-le-Ch\u00e2tel (portique)\n\u003C/p\u003E\u003C/div\u003E","title":"Vannes-le-Ch\u00e2tel (portique)\n","link":"","lat":48.54594972865876,"lon":5.762759721612758,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint-Dizier (poste)\n\u003C/p\u003E\u003C/div\u003E","title":"Saint-Dizier (poste)\n","link":"","lat":48.645077907742134,"lon":4.93632483043791,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint Dizier (poste)\n\u003C/p\u003E\u003C/div\u003E","title":"Saint Dizier (poste)\n","link":"","lat":48.64484922182208,"lon":4.936672061912124,"icon":""}]}

 **Violet foncé:** | piquage vers le poste de Saint-Dizier.

## Historique :

La ligne fut réalisée en 1940 et faisait partie d'un réseau à 150 000 volts composé d'un axe principal reliant la centrale thermique de Vincey dans les Vosges au poste d'interconnexion de Creney près de Troyes. Deux portiques était installé sur cet axe et vraisemblablement munis d'appareils de coupures  :

* Un portique à Vannes-le-Châtel au bord de la D4b avec 3 départs vers Vincey, Saint-Dizier et Vandières (puis Void à partir de 1955).
* Un portique à Saint-Dizier le long de la D157 avec 4 départs vers Creney, le poste de Saint-Dizier, Revigny-sur-Ornain et Vannes-le-Châtel.

Au milieu des années 1950 (entre 1953 et 1958), la ligne fut déroutée et directement raccordée au poste de Saint-Dizier via la construction d'un tronçon à double terne sur lequel elle était couplée avec la ligne 63KV Ligny-Saint-Dizier. Il en va de même pour la ligne 150 KV provenant de Revigny, bien qu'elle soit encore raccordée en piquage sur le portique de Saint-Dizier en 1959. Ce piquage sera supprimé au début des années 1960 et le portique démuni de ces appareils de coupures car il s'inscrit dès lors sur une simple ligne à 150 KV Creney-Saint-Dizier.

Le réseau 150 KV se réduit considérablement dans les années 1980 car arrivant à la limite de ses capacité. Il est progressivement supplanté par le réseau 225 KV et surtout le développement des lignes à 400 KV sur tout le territoire Français. La ligne Saint-Dizier - Vannes-le-Châtel n'échappe pas à ce phénomène; elle est déclassée entre 1990 et 1994 et interrompue à Cousancelles et à Delouze-Rozières pour créer une liaison 63KV Chancenay-Houdelaincourt.

Elle est partiellement déposée de Saint-Dizier à Cousancelles pour faire place à un tronçon à double terne reliant Cousancelles au poste 225/63KV de Chancenay (faisant tronc commun avec la ligne 63 KV Chancenay - Ligny-en-Barrois). L'échelon 150KV disparait alors à Saint-Dizier, la ville étant déjà raccordée indirectement au réseau 225 KV depuis le début des années 1980 via le poste de Chancenay. Une section de 19 km est également supprimée entre Delouze-Rozières et le portique de Vannes-le-Châtel, qui voit à son tour ses appareils de coupures retirés car s'inscrivant alors uniquement sur la ligne Vincey-Void. La suppression de cette dernière en 2002 entraînera le démantèlement du portique.

## Ancienne ligne :

* Ligne 150 KV - (Saint-Dizier portique - Vannes-le-Châtel) : *De 1940 à 1953-1958*

## Description du tracé :

La ligne suivait un tracé globalement rectiligne orienté Est-Ouest.

* Elle partait du poste électrique de Saint-Dizier et se dirigeait vers le Nord-Est. Elle parcourait environ 1,5km avantde bifurquait brusquement vers le Sud-Est.
* Elle croisait la D635 puis passait au Nord de la ville avant de franchir la N4 au niveau d'Ancerville. Elle traversait ensuite une zone boisée pour déboucher à Cousancelles.
* A Cousancelles débute la section encore active; la ligne traverse plusieurs zones forestières en suivant de loin la D129 avant d'arriver à Dammarie-sur-Saulx ou elle oblique légèrement vers l'Est.
* Elle poursuit dans cette direction jusqu'à la forêt domaniale d'Evaux puis bifurque de nouveau pour se diriger vers le Sud-Est. Elle passe ensuite au dessus de la D966 et de l'Ornain puis traverse le bois de Bainville.
* La ligne s'interrompt à la sortie du bois pour bifurquer brusquement vers le poste d'Houdelaincourt mais elle continuait vers le Sud-Est à l'origine.
* Elle croisait la D960 entre Delouze et Rosières-en-Bois puis traversait la forêt de Montigny. Elle franchissait ensuite la Meuse au Nord de Maxey-sur-Vaise et parcourait encore sept kilomètre avant d'arriver au portique de Vannes-le-Châtel.

## Tronçons récupérés pour la création de nouvelles lignes :

* Ligne 63 KV - (Chancenay-Houdelaincourt) : *entre 1990 et 1994*