Ligne moyenne tension

## Présentation:

Une ligne à moyenne tension (ou ligne à haute tension de catégorie A, **HTA**), est une ligne électrique dont la tension est comprise entre 1 KV et 50 KV. Généralement, en France, la tension des lignes est de 20 KV cependant, il existe encore des réseaux à 15 ou 33 KV.

Ces lignes aériennes ou souterraines sont en technologie triphasée (c'est-à-dire que la ligne porte un multiple de 3 phases et donc un multiple de 3 fils sous tension). Ce réseau est en lien avec le réseau basse tension qui permet d'acheminer le courant au consommateur.

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## Caractéristiques:

Le réseau à moyenne tension présente la caractéristique d'avoir énormément de piquages pour permettre la distribution tout comme le réseau à basse tension et d'utiliser principalement des poteaux en béton (ou en bois dans les zones montagneuses et forestières). Actuellement, il s'agit du réseau de seconde génération, ayant pratiquement remplacé le réseau de première génération construit au début du XXème siècle.