{"id":1475,"date":"2026-07-22T05:33:25","date_gmt":"2026-07-22T05:33:25","guid":{"rendered":"https:\/\/lstransformer.com\/what-are-the-processes-and-causes-of-insulation-aging\/"},"modified":"2026-10-29T06:55:57","modified_gmt":"2026-10-29T06:55:57","slug":"what-are-the-processes-and-causes-of-insulation-aging","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/fr\/what-are-the-processes-and-causes-of-insulation-aging\/","title":{"rendered":"Quels sont les Processus et les Causes de l'Isolation du Vieillissement?"},"content":{"rendered":"

Quels sont les Processus et les Causes de l'Isolation du Vieillissement?<\/b><\/h1>\n

Isolation vieillissement est un probl\u00e8me commun dans le fonctionnement de l'\u00e9quipement \u00e9lectrique, ce qui affecte les performances et la dur\u00e9e de vie des appareils. Les principales causes de vieillissement de l'isolation peut \u00eatre attribu\u00e9e \u00e0 la thermique, \u00e9lectrique, m\u00e9canique stress et les facteurs environnementaux. Ci-dessous une br\u00e8ve analyse du processus de vieillissement et les causes sp\u00e9cifiques:<\/p>\n

Contenu<\/span><\/b><\/b><\/h2>\n

1. Vieillissement Thermique \u00a0<\/em><\/b><\/h3>\n

Pendant le fonctionnement de l'\u00e9quipement \u00e9lectrique, les mat\u00e9riaux d'isolation de g\u00e9n\u00e9rer une quantit\u00e9 importante de chaleur en raison de la perte d'\u00e9nergie. Une exposition prolong\u00e9e \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es conduit \u00e0 l'oxydation et de d\u00e9composition thermique des mat\u00e9riaux d'isolation, r\u00e9duire progressivement leur r\u00e9sistance m\u00e9canique. En vertu de ces conditions de temp\u00e9rature, l'isolation devient cassant, entra\u00eenant la fissuration et d\u00e9collement, ce qui affaiblit sa capacit\u00e9 de charge et, \u00e9ventuellement, les causes de l'\u00e9chec. Vieillissement thermique est un processus cumulatif\u2014 plus la temp\u00e9rature est \u00e9lev\u00e9e, plus le vieillissement se produit.<\/p>\n

2. \u00c9lectrique Vieillissement \u00a0<\/em><\/b><\/h3>\n

\u00c9lectrique vieillissement est caus\u00e9 par l'exposition prolong\u00e9e de mat\u00e9riaux d'isolation pour des champs \u00e9lectriques. Des lacunes, des fissures, ou des bulles dans le mat\u00e9riau isolant peut facilement conduire \u00e0 des d\u00e9charges partielles sous haute tension. Les d\u00e9charges partielles non seulement \u00e9roder le mat\u00e9riau d'isolation, mais aussi causer de l'oxydation et \u00e0 la perforation, ce qui r\u00e9duit l'\u00e9paisseur de la couche d'isolation et conduit finalement \u00e0 l'isolation ventilation. En outre, si il y a des conducteurs de particules ou de substances \u00e9trang\u00e8res \u00e0 l'int\u00e9rieur de l'isolation \u00e9lectrique, le vieillissement peut acc\u00e9l\u00e9rer, la diminution rapide de l'isolation de l'efficacit\u00e9.<\/p>\n

3. Le Stress M\u00e9canique Vieillissement<\/em><\/h3>\n

Le stress m\u00e9canique vieillissement se produit \u00e0 la suite de la thermique et de contraintes m\u00e9caniques appliqu\u00e9es \u00e0 des mat\u00e9riaux d'isolation au fil du temps. Les fluctuations de temp\u00e9rature pendant le fonctionnement de l'\u00e9quipement cause des mat\u00e9riaux afin d'\u00e9largir et de contrat, de la cr\u00e9ation de la contrainte thermique. R\u00e9p\u00e9t\u00e9 d'un cycle thermique peut conduire \u00e0 la formation de fissures et d\u00e9collements sur la surface de l'isolant. Ces fissures cr\u00e9er des lacunes qui exacerbent \u00e9lectrique vieillissement. En outre, les vibrations m\u00e9caniques peuvent la fatigue des mat\u00e9riaux, en acc\u00e9l\u00e9rant le processus de vieillissement.<\/p>\n

4. Le Vieillissement De L'Environnement\u00a0<\/em><\/b><\/h3>\n

Les facteurs environnementaux tels que l'humidit\u00e9, la poussi\u00e8re et les gaz nocifs \u00e9galement contribuer \u00e0 l'isolation du vieillissement. Un environnement humide peut causer le mat\u00e9riau d'isolation \u00e0 absorber l'humidit\u00e9, la r\u00e9duction de ses propri\u00e9t\u00e9s isolantes et menant \u00e0 la surface, les courants de fuite ou de l'ascension. La poussi\u00e8re et les contaminants peuvent promouvoir davantage de d\u00e9charge partielle ou localis\u00e9e de la contrainte \u00e9lectrique, ce qui augmente le risque de d\u00e9faillance de l'isolant.<\/p>\n

En r\u00e9sum\u00e9<\/b><\/h2>\n

Isolation vieillissement r\u00e9sulte d'une combinaison de thermique, \u00e9lectrique, m\u00e9canique, et les facteurs environnementaux. La chaleur acc\u00e9l\u00e8re la d\u00e9gradation des mat\u00e9riaux, des champs \u00e9lectriques provoquer une d\u00e9charge partielle et la ventilation m\u00e9canique, le stress affaiblit les structures mat\u00e9rielles, les conditions environnementales et r\u00e9duire les performances d'isolation. La compr\u00e9hension de ces causes et la mise en \u0153uvre de mesures d'entretien pr\u00e9ventif peut prolonger la dur\u00e9e de vie des \u00e9quipements \u00e9lectriques et de garantir un fonctionnement s\u00fbr.<\/p>\n

Contact<\/h2>\n

LuShan, heure de l'est. 1975, est un fabricant professionnel Chinois sp\u00e9cialis\u00e9 dans les transformateurs de puissance et des r\u00e9acteurs de plus de 50 ans. Les produits de pointe sont transformateur monophas\u00e9, triphas\u00e9 transformateurs d'isolement, transformateur \u00e9lectrique, transformateur de distribution, l'\u00e9tape vers le bas et d'intensifier le transformateur de basse tension du transformateur, transformateur \u00e0 haute tension, contr\u00f4le de transformateur toro\u00efdal transformateur, transformateur R-core; inductances DC, AC r\u00e9acteurs, le filtrage du r\u00e9acteur, de ligne et de charge du r\u00e9acteur, des bobines, le filtrage du r\u00e9acteur, et interm\u00e9diaire, \u00e0 haute fr\u00e9quence produits<\/a>.<\/p>\n

Nos transformateurs de puissance et les r\u00e9acteurs sont largement utilis\u00e9s dans les 10 domaines d'application: transport en commun rapide, les machines de construction, les \u00e9nergies renouvelables, intelligents de fabrication, des \u00e9quipements m\u00e9dicaux, de la mine de charbon de l'explosion de la pr\u00e9vention, de l'excitation du syst\u00e8me, frittage sous vide(four), d'une climatisation centrale.<\/p>\n

En savoir plus sur transformateur de puissance et le r\u00e9acteur: www.lstransformer.com<\/a>.<\/p>\n

Si vous souhaitez obtenir des solutions personnalis\u00e9es pour les transformateurs ou des r\u00e9acteurs, veuillez nous contacter.
\nWhatsApp\uff1a+86 13787095096
\nE-mail: marketing@hnlsdz.com<\/p>","protected":false},"excerpt":{"rendered":"

What are the Processes and Causes of Insulation Aging? Insulation aging is a common issue in the operation of electrical equipment, which affects the performance and lifespan of the devices. The main causes of insulation aging can be attributed to thermal, electrical, mechanical stress, and environmental factors. Below is a brief analysis of the aging 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