{"id":5804,"date":"2024-04-16T06:42:28","date_gmt":"2024-04-16T05:42:28","guid":{"rendered":"https:\/\/www.groupe-cyllene.com\/?p=5804"},"modified":"2024-04-29T14:29:22","modified_gmt":"2024-04-29T13:29:22","slug":"rupture-ht-cyllene-nanterre","status":"publish","type":"post","link":"https:\/\/www.groupe-cyllene.com\/en\/rupture-ht-cyllene-nanterre\/","title":{"rendered":"High-voltage failure at Cyllene Nanterre"},"content":{"rendered":"

Derri\u00e8re les coulisses : Comment nos \u00e9quipes ont garanti la disponibilit\u00e9 de nos datacenters ?<\/h3>\n\n\n\n
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Suite \u00e0 une op\u00e9ration de maintenance sur le poste Haute Tension de Cyllene Nanterre consistant \u00e0 r\u00e9aliser une r\u00e9g\u00e9n\u00e9ration d\u2019huile du transformateur, ce dernier a subi une d\u00e9faillance critique lors de sa remise sous tension.<\/p>\n<\/blockquote>\n<\/blockquote>\n<\/blockquote>\n<\/blockquote>\n\n\n\n

Cela a r\u00e9sult\u00e9 en l’impossibilit\u00e9 de r\u00e9tablir le site sous l’alimentation \u00e9lectrique standard (EDF), nous contraignant \u00e0 alimenter les datacenters via nos syst\u00e8mes de secours (Groupes \u00c9lectrog\u00e8nes).<\/p>\n\n\n\n

Notre \u00e9quipe Infrastructure a donc \u00e9t\u00e9 mobilis\u00e9e pour \u00e9laborer un plan de rem\u00e9diation et d’actions visant \u00e0 coordonner le remplacement du Transformateur HT 1MW d\u00e9fectueux et \u00e0 mettre en \u0153uvre un syst\u00e8me de reprise de l’alimentation \u00e9lectrique standard. <\/p>\n\n\n\n

L’objectif \u00e9tait de ramener les datacenters \u00e0 un fonctionnement nominal tout en pr\u00e9servant nos ressources de secours et en restaurant les services g\u00e9n\u00e9raux des deux b\u00e2timents du site de Nanterre.<\/p>\n\n\n\n

<\/p>\nC\u00e9dric DOUBET, Responsable Infrastructure chez Cyllene.<\/strong><\/cite><\/blockquote>\n\n\n\n

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Quels d\u00e9fis devaient \u00eatre relev\u00e9s pour r\u00e9soudre ce probl\u00e8me, et pourquoi \u00e9tait-il crucial d’y rem\u00e9dier imm\u00e9diatement ?<\/h3>\n\n\n\n

La crise nous impose de prendre en compte les crit\u00e8res suivants :<\/p>\n\n\n\n

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  • Diminution de nos r\u00e9serves d’\u00e9nergie (GNR)<\/li>\n\n\n\n
  • Services G\u00e9n\u00e9raux indisponibles<\/li>\n\n\n\n
  • Plus de r\u00e9silience en cas de panne du groupe \u00e9lectrog\u00e8ne de repli (par b\u00e2timent\/Datacenter)<\/li>\n<\/ul>\n\n\n\n

    Pour ce faire, il est essentiel de mettre en place rapidement une solution de reprise de l’alimentation \u00e9lectrique standard afin de pr\u00e9server nos ressources de secours et de r\u00e9tablir les datacenters en mode normal, disposant ainsi de deux sources d’alimentation \u00e9lectrique : une nominale et une de secours.<\/p>\n\n\n\n

    Quelles solutions ont \u00e9t\u00e9 mises en place par Cyllene pour r\u00e9soudre l\u2019incident ?<\/h3>\n\n\n\n

    En collaboration avec leurs partenaires (ETCE92, Schneider et Eneria), il a \u00e9t\u00e9 d\u00e9cid\u00e9 de mettre en \u0153uvre un Groupe \u00c9lectrog\u00e8ne de 1 MW en remplacement de l’alimentation \u00e9lectrique standard (EDF), avec les r\u00e9serves n\u00e9cessaires (GNR).<\/p>\n\n\n\n

    Quelles ont \u00e9t\u00e9 les difficult\u00e9s rencontr\u00e9es ?<\/h3>\n\n\n\n

    La coordination des diff\u00e9rents intervenants pendant le week-end\/les heures non ouvrables, ainsi que les contraintes logistiques dues \u00e0 la saturation des \u00e9quipements de secours.<\/p>\n\n\n\n

    Quel a \u00e9t\u00e9 le r\u00e9sultat \u00e0 la suite de la mise en \u0153uvre des solutions ?<\/h3>\n\n\n\n

    Il n’y a eu aucune indisponibilit\u00e9 des Datacenters et la bascule s’est r\u00e9alis\u00e9e de mani\u00e8re transparente entre les syst\u00e8mes d\u2019alimentation \u00e9lectrique.<\/p>\n\n\n\n

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    Derri\u00e8re les coulisses : Comment nos \u00e9quipes ont garanti la disponibilit\u00e9 de nos datacenters ? Suite \u00e0 une op\u00e9ration de maintenance sur le poste Haute Tension de Cyllene Nanterre consistant \u00e0 r\u00e9aliser une r\u00e9g\u00e9n\u00e9ration d\u2019huile du transformateur, ce dernier a subi une d\u00e9faillance critique lors de sa remise sous tension. Cela a r\u00e9sult\u00e9 en l’impossibilit\u00e9 […]<\/p>","protected":false},"author":11,"featured_media":5831,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5804","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"acf":[],"yoast_head":"\nNos Actualit\u00e9s | Portrait du mois<\/title>\n<meta name=\"description\" content=\"Rupture-Haute tension \u00e0 Nanterre : comment les \u00e9quipes infrastructure de Cyllene ont maintenu la disponibilit\u00e9 de nos datacenters.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.groupe-cyllene.com\/en\/rupture-ht-cyllene-nanterre\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" 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