{"id":37615,"date":"2022-08-22T11:15:02","date_gmt":"2022-08-22T09:15:02","guid":{"rendered":"https:\/\/at3w.com\/?page_id=37615"},"modified":"2025-11-05T15:57:28","modified_gmt":"2025-11-05T14:57:28","slug":"protection-contre-surtensions-permanentes","status":"publish","type":"page","link":"https:\/\/at3w.com\/fr\/smart-lightning\/protection-contre-surtensions-permanentes\/","title":{"rendered":"Protection contre surtensions permanentes"},"content":{"rendered":"

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Surtensions
\npermanentes<\/h2><\/div>
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Afin de prot\u00e9ger les installations r\u00e9ceptrices contre les effets que peuvent provoquer ces surtensions permanentes<\/span>, il convient d’installer des dispositifs de protection contre les surtensions qui agissent en d\u00e9connectant l’installation aliment\u00e9e<\/span> par le r\u00e9seau \u00e9lectrique qui subit la surtension.<\/div><\/div>[\/vc_column_inner][\/vc_row_inner]
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\n\t\"null\"\n<\/div><\/div><\/div>Augmentation de tension<\/span> <\/a> <\/div>
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Surtensions
\npermanentes<\/h2>\n

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Les surtensions permanentes ou temporaires sont des augmentations de tension au-dessus de 10% de la valeur nominale du r\u00e9seau de distribution et qui sont maintenues pendant plusieurs cycles, ou de fa\u00e7on permanente.<\/p>\n

Elles sont dues au d\u00e9s\u00e9quilibre des phases, g\u00e9n\u00e9ralement caus\u00e9 par la rupture du neutre, par des d\u00e9fauts dans la connexion du conducteur neutre ou par des failles dans les centres de transformation.<\/p>\n

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Quels dommages peuvent \u00eatre caus\u00e9s par les surtensions permanentes ?<\/code><\/h2>\n

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Les installations \u00e9lectriques sont les plus expos\u00e9es aux dommages caus\u00e9s<\/a> par les surtensions permanentes. La longue dur\u00e9e de les surtensions permanentes peut entra\u00eener une perte de fonctionnement des \u00e9quipements \u00e9lectriques et \u00e9lectroniques connect\u00e9s. Cette tension \u00e9lev\u00e9e affecte les \u00e9quipements, r\u00e9duisant leur dur\u00e9e de vie, et pouvant m\u00eame les surchauffer au point de causer des dommages irr\u00e9parables, voire de provoquer des incendies.<\/span><\/p>\n

Les surtensions permanentes peuvent endommager l\u2019installation et les \u00e9quipements \u00e9lectriques par :<\/span><\/p>\n

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Normes<\/h2><\/div>
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\u00c0 l\u2019\u00e9chelle internationale, la norme d\u2019application est la EN IEC 63052:2022 \u201cDispositifs de protection contre les surtensions \u00e0 fr\u00e9quence industrielle (POP) pour les applications domestiques et similaires\u201d.<\/p>\n

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Notre<\/code> gamme de produits contre les surtensions permanentes<\/code><\/h2>\n

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Guide de s\u00e9lection<\/h2><\/div>
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Afin de prot\u00e9ger correctement toute installation, Aplicaciones Tecnol\u00f3gicas propose un guide de s\u00e9lection de parafoudres qui vous permet de choisir le bon dispositif de protection contre les surtensions permanentes en r\u00e9pondant \u00e0 quelques questions simples:<\/p>\n