{"id":26879,"date":"2026-01-14T15:46:22","date_gmt":"2026-01-14T14:46:22","guid":{"rendered":"https:\/\/www.orteanext.com\/case-histories\/medium-voltage-current-limiting-reactor-for-a-generation-plant-connected-to-the-grid\/"},"modified":"2026-01-14T15:53:32","modified_gmt":"2026-01-14T14:53:32","slug":"reactance-limiteuse-de-courant-en-moyenne-tension-pour-une-installation-de-production-raccordee-au-reseau","status":"publish","type":"case","link":"https:\/\/www.orteanext.com\/fr\/case-histories\/reactance-limiteuse-de-courant-en-moyenne-tension-pour-une-installation-de-production-raccordee-au-reseau\/","title":{"rendered":"R\u00c9ACTANCE LIMITEUSE DE COURANT EN MOYENNE TENSION POUR UNE INSTALLATION DE PRODUCTION RACCORDEE AU R\u00c9SEAU"},"content":{"rendered":"<h3>LE CLIENT<\/h3>\n<p>Un site industriel dot\u00e9 de plusieurs groupes de production en moyenne tension raccord\u00e9s au r\u00e9seau public.<\/p>\n<h3>LE BESOIN<\/h3>\n<p>Le besoin du client \u00e9tait de limiter la contribution de court-circuit vers le r\u00e9seau du DSO.<\/p>\n<p>Lorsqu\u2019une installation de production est raccord\u00e9e au r\u00e9seau du distributeur (DSO), le courant de court-circuit pouvant circuler vers le r\u00e9seau public en cas de d\u00e9faut devient un param\u00e8tre critique de s\u00e9curit\u00e9 et de qualit\u00e9 de l\u2019\u00e9nergie.<\/p>\n<p>Si la contribution des g\u00e9n\u00e9rateurs du client est trop \u00e9lev\u00e9e, les protections du DSO peuvent ne plus \u00eatre ad\u00e9quates et le raccordement risque de ne pas \u00eatre accept\u00e9 ou d\u2019exiger de co\u00fbteuses adaptations c\u00f4t\u00e9 r\u00e9seau.<\/p>\n<h3>NOTRE SOLUTION<\/h3>\n<p>Sur la base des sp\u00e9cifications r\u00e9seau, des donn\u00e9es des g\u00e9n\u00e9rateurs et des limites impos\u00e9es par le DSO, les techniciens Ortea ont d\u00e9velopp\u00e9 une r\u00e9actance limiteuse de courant en moyenne tension pr\u00e9sentant les caract\u00e9ristiques principales suivantes :<\/p>\n<ul>\n<li>Puissance nominale du r\u00e9acteur : 181 kVA<\/li>\n<li>Tension nominale : 10 kV<\/li>\n<li>Courant nominal : 80 A<\/li>\n<li>Inductance : 30 mH<\/li>\n<li>Imp\u00e9dance de court-circuit : 13% @ 50 Hz<\/li>\n<li>Chute de tension \u00e0 charge nominale : ~750 V<\/li>\n<li>Puissance de charge associ\u00e9e : 1400 kVA<\/li>\n<\/ul>\n<p>La construction est de type air-core (noyau en air) avec des enroulements en aluminium, un choix garantissant la stabilit\u00e9 des caract\u00e9ristiques dans le temps, la robustesse m\u00e9canique et une bonne tenue aux sollicitations \u00e9lectrodynamiques en cas de d\u00e9faut.<\/p>\n<p>Du point de vue de l\u2019isolation :<\/p>\n<ul>\n<li>Tension maximale de service : 12 kV<\/li>\n<li>Tension de tenue \u00e0 fr\u00e9quence industrielle (1 min) : 30 kV<\/li>\n<li>Tension de tenue \u00e0 l\u2019impulsion atmosph\u00e9rique (BIL) : 75 kV<\/li>\n<li>Classe d\u2019isolation et thermique : H, avec surtemp\u00e9rature admissible de 125 \u00b0C<\/li>\n<\/ul>\n<p>La r\u00e9actance est impr\u00e9gn\u00e9e en VPI (dry), adapt\u00e9e \u00e0 une installation indoor en ex\u00e9cution IP00, avec classe environnementale E1-C1-F0 et altitude maximale de service de 1000 m.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.orteanext.com\/fr\/transformateurs-et-reacteurs-bt\/reactance-limitatrice-de-courant-moyenne-tension-la-solution-sur-mesure-dortea-pour-la-production-connectee-au-reseau\/\"><strong>D\u00e9couvrir l\u2019article associ\u00e9<\/strong><\/a><\/p>\n","protected":false},"featured_media":26711,"template":"","sector":[24303],"tech":[24319],"class_list":["post-26879","case","type-case","status-publish","has-post-thumbnail","hentry","sector-industrie","tech-transformateurs-racteurs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>R\u00e9actance limiteuse de courant sur mesure en moyenne tension<\/title>\n<meta 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