{"id":102802,"date":"2024-06-25T11:45:57","date_gmt":"2024-06-25T09:45:57","guid":{"rendered":"https:\/\/www.immo-invest.ch\/ressourceneffizienz-durch-mittelspannung-in-der-photovoltaik\/"},"modified":"2024-06-25T15:23:56","modified_gmt":"2024-06-25T13:23:56","slug":"ressourceneffizienz-durch-mittelspannung-in-der-photovoltaik","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/ressourceneffizienz-durch-mittelspannung-in-der-photovoltaik\/","title":{"rendered":"Efficacit\u00e9 des ressources gr\u00e2ce \u00e0 la moyenne tension dans le photovolta\u00efque"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La transformation du syst\u00e8me \u00e9nerg\u00e9tique n\u00e9cessite des quantit\u00e9s consid\u00e9rables de mati\u00e8res premi\u00e8res telles que le cuivre et l&rsquo;aluminium. Une approche prometteuse pour \u00e9conomiser ces ressources est le passage de la basse tension \u00e0 la moyenne tension dans la production d&rsquo;\u00e9nergie renouvelable. L&rsquo;Institut Fraunhofer pour les syst\u00e8mes \u00e9nerg\u00e9tiques solaires (ISE) identifie un \u00e9norme potentiel d&rsquo;\u00e9conomies gr\u00e2ce \u00e0 des tensions de syst\u00e8me plus \u00e9lev\u00e9es, en particulier pour les grandes centrales photovolta\u00efques, et pr\u00e9voit de lancer les premiers projets pilotes ainsi qu&rsquo;une large commercialisation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Avantages de tensions de syst\u00e8me plus \u00e9lev\u00e9es<br><\/strong>Une augmentation de la tension de syst\u00e8me de 800 VAC \u00e0 1.500 VAC entra\u00eene une r\u00e9duction de la section des c\u00e2bles d&rsquo;environ 75 pour cent. Cela facilite la pose et le raccordement, ce qui r\u00e9duit les co\u00fbts d&rsquo;installation. Andreas Hensel, chef de groupe \u00ab\u00a0Electronique haute performance et ing\u00e9nierie des syst\u00e8mes\u00a0\u00bb \u00e0 l&rsquo;Institut Fraunhofer ISE, souligne les \u00e9conomies possibles : \u00ab\u00a0Apr\u00e8s la baisse de 90 pour cent des co\u00fbts des modules photovolta\u00efques depuis 2010, l&rsquo;installation et les composants d&rsquo;\u00e9quilibre du syst\u00e8me offrent d\u00e9sormais les plus grands leviers d&rsquo;\u00e9conomie\u00a0\u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De plus, le passage \u00e0 la moyenne tension permet d&rsquo;augmenter la puissance des sous-syst\u00e8mes. Avec une tension de 1.500 V, il est d\u00e9j\u00e0 possible d&rsquo;obtenir 10 \u00e0 12 MVA dans un transformateur au lieu des 3 \u00e0 5 MVA habituels aujourd&rsquo;hui. Cela r\u00e9duit le nombre de transformateurs et de postes \u00e9lectriques n\u00e9cessaires, ce qui diminue encore les co\u00fbts de construction et d&rsquo;installation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Avanc\u00e9es technologiques et premiers succ\u00e8s<br><\/strong>Les progr\u00e8s dans le domaine de la moyenne tension ont \u00e9t\u00e9 rendus possibles par le d\u00e9veloppement de composants en carbure de silicium \u00e0 haute barri\u00e8re et \u00e0 haute vitesse de commutation. Les composants SiC jusqu&rsquo;\u00e0 3,3 kV sont d\u00e9sormais pr\u00eats \u00e0 \u00eatre commercialis\u00e9s. Dans le cadre du projet \u00ab\u00a0MS-LeiKra\u00a0\u00bb, le Fraunhofer ISE a d\u00e9velopp\u00e9 et mis en service avec succ\u00e8s en 2023 le premier onduleur \u00e0 cha\u00eene MS-PV au monde. L&rsquo;onduleur atteint une tension de sortie de 1 500 VAC pour une puissance de 250 kVA. \u00ab\u00a0Sur le plan technologique, les jalons sont pos\u00e9s et il s&rsquo;agit maintenant de savoir qui seront les premiers acteurs de ce march\u00e9 prometteur\u00a0\u00bb, explique Christian Sch\u00f6ner, chef de projet \u00ab\u00a0Moyenne tension\u00a0\u00bb au Fraunhofer ISE. Une premi\u00e8re installation photovolta\u00efque pilote bas\u00e9e sur cet onduleur est d\u00e9j\u00e0 en cours de planification.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Coop\u00e9ration pour une perc\u00e9e<br><\/strong>En avril, un consortium europ\u00e9en a \u00e9t\u00e9 form\u00e9, r\u00e9unissant des repr\u00e9sentants de tous les m\u00e9tiers impliqu\u00e9s dans une centrale photovolta\u00efque \u00e0 grande \u00e9chelle. L&rsquo;objectif est d&rsquo;\u00e9tudier et de surmonter ensemble les conditions technologiques et normatives n\u00e9cessaires au passage \u00e0 la moyenne tension. \u00ab\u00a0En tant que consortium puissant, nous pouvons aborder ensemble les obstacles existants et obtenir une optimisation pour la centrale compl\u00e8te\u00a0\u00bb, explique Christian Sch\u00f6ner.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Perspectives d&rsquo;avenir et domaines d&rsquo;application<br><\/strong>Les centrales photovolta\u00efques \u00e0 grande \u00e9chelle ne sont qu&rsquo;un d\u00e9but. La technologie de la moyenne tension offre \u00e9galement un potentiel pour les infrastructures de charge, les r\u00e9seaux industriels, les pompes \u00e0 chaleur \u00e0 grande \u00e9chelle, le stockage sur batterie, les \u00e9lectrolyseurs et les \u00e9oliennes. Des tensions de syst\u00e8me plus \u00e9lev\u00e9es permettent non seulement de r\u00e9aliser d&rsquo;importantes \u00e9conomies de mat\u00e9riaux, de co\u00fbts et de surface, mais aussi de nouvelles architectures de syst\u00e8mes de centrales \u00e9lectriques hybrides r\u00e9g\u00e9n\u00e9ratives. Celles-ci peuvent \u00eatre reli\u00e9es entre elles via la moyenne tension et assurer ainsi un approvisionnement \u00e9nerg\u00e9tique efficace et durable.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le Fraunhofer ISE r\u00e9volutionne le photovolta\u00efque en utilisant la moyenne tension dans les grandes centrales PV. Cette technologie innovante permet d&rsquo;\u00e9conomiser des mati\u00e8res premi\u00e8res, de r\u00e9duire les co\u00fbts d&rsquo;installation et d&rsquo;augmenter la puissance du syst\u00e8me. Des projets pilotes et une introduction sur le march\u00e9 sont d\u00e9j\u00e0 en cours de planification.<\/p>\n","protected":false},"author":2,"featured_media":102479,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[22699,8747,22696,743],"tags":[47717,848,872,3931,47718,873,882,47719,47720,1715,13639],"class_list":["post-102802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-energie","category-entreprise","category-immonews-fr","tag-bauelemente-fr","tag-immobilien-fr","tag-immoinvest-fr","tag-immonews-fr","tag-mittelspannungstechnik-fr","tag-photovoltaik-fr","tag-strom-fr","tag-systemspannung-fr","tag-technologische-fortschritte-fr","tag-zukunft-fr","tag-zusammenarbeit-fr"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"Le Fraunhofer ISE r\u00e9volutionne le photovolta\u00efque en utilisant la moyenne tension dans les grandes centrales PV. Cette technologie innovante permet d'\u00e9conomiser des mati\u00e8res premi\u00e8res, de r\u00e9duire les co\u00fbts d'installation et d'augmenter la puissance du syst\u00e8me. Des projets pilotes et une introduction sur le march\u00e9 sont d\u00e9j\u00e0 en cours de planification.","autor":"Quelle: Frauenhofer ISE","ort":"","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Le Fraunhofer ISE r\u00e9volutionne le photovolta\u00efque en utilisant la moyenne tension dans les grandes centrales PV. Cette technologie innovante permet d&#039;\u00e9conomiser des mati\u00e8res premi\u00e8res, de r\u00e9duire les co\u00fbts d&#039;installation et d&#039;augmenter la puissance du syst\u00e8me. 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