{"id":11939,"date":"2020-06-21T23:36:55","date_gmt":"2020-06-21T23:36:55","guid":{"rendered":"http:\/\/elexpert.ma\/beta\/?page_id=11791"},"modified":"2021-09-16T13:17:19","modified_gmt":"2021-09-16T13:17:19","slug":"filtrage-des-harmoniques-2","status":"publish","type":"elexpert_solution","link":"https:\/\/elexpert.ma\/index.php\/solutions\/qualite-denergie\/filtrage-des-harmoniques-2\/","title":{"rendered":"Filtrage des harmoniques"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row cspt-text-color=&#8221;white&#8221; full_width=&#8221;stretch_row&#8221; css=&#8221;.vc_custom_1630251141248{padding-top: 0px !important;padding-bottom: 0px !important;background-image: url(https:\/\/elexpert.ma\/wp-content\/uploads\/2021\/08\/Harmoniques.jpg?id=12646) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}&#8221;][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1630251172618{padding-top: 20px !important;background-color: #ff9314 !important;}&#8221;][vc_raw_html]JTVCZWxleHBlcnRfYnJlYWRjcnVtcCU1RA==[\/vc_raw_html][vc_column_text]Les harmoniques ont un effet n\u00e9gatif sur la dur\u00e9e de vie des machines et \u00e9quipements, des appareils \u00e9lectrom\u00e9nagers, des c\u00e2bles et lignes \u00e9lectriques, des moteurs ou des transformateurs. Le conducteur de neutre et le conducteur de protection peuvent \u00e9galement \u00eatre fortement surcharg\u00e9s par les courants harmoniques.<\/p>\n<p>Les harmoniques sont cr\u00e9\u00e9es par de charges dites \u00ab\u00a0non lin\u00e9aires\u00a0\u00bb, telles que les variateurs de vitesse \u00e9lectroniques, les onduleurs, l&#8217;\u00e9clairage LED, les machines \u00e0 souder, etc. qui d\u00e9forment le courant \u00e9lectrique sinuso\u00efdal.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1591394160539{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_column width=&#8221;3\/4&#8243;][vc_column_text]Les solutions de filtrage des harmoniques sont choisies et dimensionn\u00e9es en tenant compte de la compensation de l\u2019\u00e9nergie r\u00e9active existante, o\u00f9 la distorsion harmonique peut \u00eatre consid\u00e9rablement amplifi\u00e9e.<\/p>\n<p>Les solutions adopt\u00e9es peuvent \u00eatre tr\u00e8s diff\u00e9rentes, selon les cas:[\/vc_column_text][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text]<strong>Filtrage au niveau global<\/strong> (en t\u00eate d&#8217;installation)<\/p>\n<ul>\n<li><span style=\"letter-spacing: 0px;\">Filtres actifs permettant de &#8220;traiter&#8221; une large plage de fr\u00e9quences<\/span><\/li>\n<li><span style=\"letter-spacing: 0px;\">Filtres passifs de type LC raccord\u00e9s sur une fr\u00e9quence sp\u00e9cifique\u00a0<\/span><\/li>\n<li><span style=\"letter-spacing: 0px;\">Filtres passifs non accord\u00e9s. Il s&#8217;agit de batteries de compensation d&#8217;\u00e9nergie r\u00e9active munies de selfs anti-harmoniques &#8220;accord\u00e9es&#8221; sur des fr\u00e9quences interm\u00e9diaires. Cette solution est utilis\u00e9e en cas de pr\u00e9sence du ph\u00e9nom\u00e8ne de r\u00e9sonance.<\/span><\/li>\n<li>Regroupement des charges polluantes au niveau d&#8217;un m\u00eame d\u00e9part<\/li>\n<li>Utilisation de transformateurs avec un couplage sp\u00e9cifique<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text]<strong>Filtrage au niveau local<\/strong><\/p>\n<ul>\n<li>Filtres actifs mont\u00e9s en d\u00e9rivation aux bornes des grosse charges polluantes<\/li>\n<li>Filtres passifs de type LCL en amont de convertisseurs statiques de grande puissance<\/li>\n<li>Inductances de ligne en s\u00e9rie avec des charges polluantes, notamment les convertisseurs statiques,<\/li>\n<li>Etc.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_raw_html]JTNDdmlkZW8lMjBhdXRvcGxheSUyMGxvb3AlMjBtdXRlZCUyMGNvbnRyb2xzJTIwd2lkdGglM0QlMjIxMDAlMjUlMjIlM0UlMEElMEElMjAlMjAlMjAlMjAlM0Nzb3VyY2UlMjBzcmMlM0QlMjJodHRwcyUzQSUyRiUyRmVsZXhwZXJ0Lm1hJTJGd3AtY29udGVudCUyRnZpZGVvcyUyRkZpbHRyYWdlJTIwaGFybW9uaXF1ZXMud2VibSUyMiUwQSUyMCUyMCUyMCUyMCUyMCUyMCUyMCUyMCUyMCUyMCUyMCUyMHR5cGUlM0QlMjJ2aWRlbyUyRndlYm0lMjIlM0UlMEElMjAlMjAlMjAlMjBTb3JyeSUyQyUyMHlvdXIlMjBicm93c2VyJTIwZG9lc24lMjd0JTIwc3VwcG9ydCUyMGVtYmVkZGVkJTIwdmlkZW9zLiUwQSUzQyUyRnZpZGVvJTNF[\/vc_raw_html][\/vc_column][vc_column width=&#8221;1\/4&#8243;][vc_cta h2=&#8221;T\u00e9l\u00e9chargez la brochure&#8221; txt_align=&#8221;center&#8221; add_button=&#8221;bottom&#8221; btn_title=&#8221;T\u00e9l\u00e9charger&#8221; btn_align=&#8221;center&#8221; add_icon=&#8221;top&#8221; i_icon_fontawesome=&#8221;fas fa-cloud-download-alt&#8221; btn_link=&#8221;url:http%3A%2F%2Felexpert.ma%2Fwp-content%2Fuploads%2F2021%2F07%2FP24.pdf|title:Solutions|target:%20_blank|&#8221;][\/vc_cta][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]Les harmoniques ont un impact \u00e9conomique important\u00a0:<\/p>\n<ul>\n<li>Le vieillissement pr\u00e9matur\u00e9 du mat\u00e9riel conduit \u00e0 le remplacer plus t\u00f4t, \u00e0 moins de l\u2019avoir initialement surdimensionn\u00e9<\/li>\n<li>Les surcharges du r\u00e9seau obligent \u00e0 augmenter la puissance souscrite, et impliquent, \u00e0 moins d\u2019un surdimensionnement des installations, des pertes suppl\u00e9mentaires<\/li>\n<li>Les d\u00e9formations du courant provoquant des d\u00e9clenchements intempestifs et l\u2019arr\u00eat des installations de production<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row cspt-text-color=&#8221;white&#8221; full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1623922542623{margin-top: 100px !important;padding-top: 50px !important;padding-bottom: 50px !important;background-color: #ff9314 !important;}&#8221;][vc_column][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<ul>\n<li>Augmente la dur\u00e9e de vie des transformateurs en r\u00e9duisant les \u00e9chauffements excessifs dus aux pertes fer occasionn\u00e9es par la circulation des courants harmoniques<\/li>\n<li>Augmente la dur\u00e9e de vie des moteurs et g\u00e9n\u00e9rateurs en r\u00e9duisant les \u00e9chauffements excessifs et les vibrations causant la fatigue pr\u00e9matur\u00e9e des roulements<\/li>\n<li>Am\u00e9liore le facteur de puissance de l\u2019installation et permet des \u00e9conomies d\u2019\u00e9nergie gr\u00e2ce \u00e0 la r\u00e9duction du courant efficace (RMS) et donc des pertes joule dans l\u2019installation<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<ul>\n<li>Am\u00e9liore la continuit\u00e9 de service en \u00e9vitants les d\u00e9clenchements intempestifs des disjoncteurs et protections diff\u00e9rentiels<\/li>\n<li>Pr\u00e9serve la dur\u00e9e de vie des c\u00e2bles, \u00e9vite les surcharges dans les conducteurs de phase, de neutre et de protection (PEN) en r\u00e9duisant le courant qui y circule et en am\u00e9liorant l\u2019&#8221;\u00e9paisseur de peau&#8221;<\/li>\n<li>Evite les pannes et mauvais fonctionnements des appareils \u00e9lectroniques et de t\u00e9l\u00e9coms en r\u00e9duisant le bruit et les interf\u00e9rences dus aux courants harmoniques<\/li>\n<li>le mat\u00e9riel<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1631455781717{margin-top: 50px !important;}&#8221;][vc_column][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Gr\u00e2ce \u00e0 une expertise acquise apr\u00e8s plusieurs ann\u00e9es pass\u00e9es \u00e0 aider les clients industriels et gestionnaires de b\u00e2timents \u00e0 lutter contre le fl\u00e9au des harmoniques, ELEXPERT est en mesure de prendre en charge votre probl\u00e8me quel que soit son niveau de complexit\u00e9. Et gr\u00e2ce au support de nos partenaires, nous sommes en mesure de fournir les meilleures solutions aux meilleurs co\u00fbts possibles.<\/p>\n<p>La r\u00e9alisation d\u2019une prestation d\u2019\u00e9tude de compensation et de filtrage des harmoniques (code SE-RH003) est un pr\u00e9alable indispensable au dimensionnement de la solution ad\u00e9quate de filtrage des harmoniques. Un devis vous est ensuite remis, qui s\u2019il est accept\u00e9, donne lieu \u00e0 la r\u00e9alisation cl\u00e9 en main de la solution, avec un engagement total de notre part sur le r\u00e9sultat.[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; disable_element=&#8221;yes&#8221; css=&#8221;.vc_custom_1623922558926{margin-top: 100px !important;padding-top: 50px !important;padding-bottom: 50px !important;background-color: #ff9314 !important;}&#8221;][vc_column][vc_row_inner equal_height=&#8221;yes&#8221;][vc_column_inner width=&#8221;1\/2&#8243;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row 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.creativesplanet-element -->  [\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"parent":12482,"menu_order":0,"template":"","class_list":["post-11939","elexpert_solution","type-elexpert_solution","status-publish","hentry","elxpert_section-qualite-de-lenergie"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Filtrage des harmoniques - Elexpert<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/elexpert.ma\/index.php\/solutions\/qualite-denergie\/filtrage-des-harmoniques-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Filtrage des harmoniques - Elexpert\" \/>\n<meta property=\"og:description\" content=\"[vc_row cspt-text-color=&#8221;white&#8221; full_width=&#8221;stretch_row&#8221; css=&#8221;.vc_custom_1630251141248{padding-top: 0px !important;padding-bottom: 0px !important;background-image: url(https:\/\/elexpert.ma\/wp-content\/uploads\/2021\/08\/Harmoniques.jpg?id=12646) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}&#8221;][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1630251172618{padding-top: 20px !important;background-color: #ff9314 !important;}&#8221;][vc_raw_html]JTVCZWxleHBlcnRfYnJlYWRjcnVtcCU1RA==[\/vc_raw_html][vc_column_text]Les harmoniques ont un effet n\u00e9gatif sur la dur\u00e9e de vie des machines et \u00e9quipements, des appareils \u00e9lectrom\u00e9nagers, des c\u00e2bles et lignes \u00e9lectriques, des moteurs ou des transformateurs. Le conducteur de neutre et le conducteur de protection peuvent \u00e9galement \u00eatre fortement surcharg\u00e9s par les courants harmoniques. 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