{"id":26861,"date":"2026-01-14T14:38:27","date_gmt":"2026-01-14T13:38:27","guid":{"rendered":"https:\/\/www.orteanext.com\/case-histories\/multimatic-fv-series-for-paper-mills-with-high-harmonic-distortion\/"},"modified":"2026-01-14T14:45:52","modified_gmt":"2026-01-14T13:45:52","slug":"serie-multimatic-fv-pour-papeteries-a-forte-distorsion-harmonique","status":"publish","type":"case","link":"https:\/\/www.orteanext.com\/fr\/case-histories\/serie-multimatic-fv-pour-papeteries-a-forte-distorsion-harmonique\/","title":{"rendered":"S\u00c9RIE MULTIMATIC FV POUR PAPETERIES \u00c0 FORTE DISTORSION HARMONIQUE"},"content":{"rendered":"<h3>LE CLIENT<\/h3>\n<p>Un groupe italien leader dans la production de papier.<\/p>\n<h3>LE BESOIN<\/h3>\n<p>Dans le processus papetier, de nombreuses charges \u00e9lectriques non lin\u00e9aires coexistent. Ces dispositifs absorbent des courants non sinuso\u00efdaux qui se propagent sur le r\u00e9seau interne, entra\u00eenant une augmentation significative de la distorsion harmonique de courant (THD I).<\/p>\n<p>Les cons\u00e9quences typiques de la distorsion harmonique incluent des \u00e9chauffements, des d\u00e9clenchements intempestifs des protections, des vibrations m\u00e9caniques ainsi que des pertes plus \u00e9lev\u00e9es et des dysfonctionnements des syst\u00e8mes de contr\u00f4le.<\/p>\n<p>Une mitigation efficace dans les tableaux BT de l\u2019usine n\u00e9cessite une approche combin\u00e9e : une compensation automatique maintenant le cos\u03c6 dans une plage optimale et des r\u00e9actances de d\u00e9saccord (detuned) qui d\u00e9couplent les condensateurs des harmoniques dominantes.<\/p>\n<h3>NOTRE SOLUTION<\/h3>\n<p>Principales donn\u00e9es techniques demand\u00e9es par le client et incluses dans la fourniture :<\/p>\n<ul>\n<li>Mod\u00e8le : Multimatic FV35V (batterie de condensateurs avec r\u00e9actances detuned, haut de gamme).<\/li>\n<li>Tension de service (Ue) : 400 V<\/li>\n<li>Tension nominale des batteries (Un) : 550 V<\/li>\n<li>Fr\u00e9quence : 50 Hz.<\/li>\n<li>Fr\u00e9quence d\u2019accord : fD = 135 Hz (facteur N = 2,7).<\/li>\n<li>Tol\u00e9rance harmonique : THD-Ir% = 100%<\/li>\n<li>Tol\u00e9rance harmonique : THD-Vr% \u2264 25% (adapt\u00e9 au fonctionnement m\u00eame sur des r\u00e9seaux \u00e0 forte distorsion de tension).<\/li>\n<li>Objectif d\u2019installation : r\u00e9duction du THD-V sur le jeu de barres jusqu\u2019\u00e0 \u2264 8% (valeur cible de conception ; d\u00e9pend du spectre harmonique et de l\u2019imp\u00e9dance du r\u00e9seau).<\/li>\n<li>Puissance install\u00e9e : 640 kvar \u00e0 400 V.<\/li>\n<\/ul>\n<p>Caract\u00e9ristiques constructives et \u00e9quipements inclus dans la fourniture :<\/p>\n<ul>\n<li>Indice de protection : IP4X ; entr\u00e9e des c\u00e2bles par le bas ; dimensions 1830x675x2360 mm.<\/li>\n<li>R\u00e9gulateur : 8BGA (commande automatique des gradins) avec sectionneur int\u00e9gr\u00e9 et accessoire MCP5 ; tension auxiliaire 110 V.<\/li>\n<li>Courant de court-circuit admissible : 25 kA \/ 0,3 s.<\/li>\n<\/ul>\n<p>Note technique : l\u2019accord \u00e0 135 Hz d\u00e9couple les condensateurs des harmoniques basses (notamment 5e et 7e), \u00e9vite les ph\u00e9nom\u00e8nes de r\u00e9sonance et limite le courant harmonique qui p\u00e9n\u00e9trerait dans la batterie, stabilisant le facteur de puissance m\u00eame en pr\u00e9sence de nombreux variateurs (VFD) et de charges tr\u00e8s dynamiques.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.orteanext.com\/fr\/systemes-de-correction-du-facteur-de-puissance\/power-quality-sous-contrainte-limpact-des-harmoniques-sur-le-procede-papetier\/\"><strong>D\u00e9couvrir l\u2019article associ\u00e9<\/strong><\/a><\/p>\n","protected":false},"featured_media":26564,"template":"","sector":[24303],"tech":[24306],"class_list":["post-26861","case","type-case","status-publish","has-post-thumbnail","hentry","sector-industrie","tech-systemes-de-correction-du-facteur-de-puissance"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Compensation d\u2019\u00e9nergie r\u00e9active automatique Multimatic FV<\/title>\n<meta name=\"description\" content=\"Solution de compensation automatique avec r\u00e9actances de d\u00e9saccord (detuned) pour papeteries \u00e0 forte distorsion harmonique.\" \/>\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.orteanext.com\/fr\/case-histories\/serie-multimatic-fv-pour-papeteries-a-forte-distorsion-harmonique\/\" \/>\n<meta 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