{"id":483696,"date":"2025-07-27T19:27:55","date_gmt":"2025-07-27T17:27:55","guid":{"rendered":"https:\/\/www.eenewseurope.com\/?p=483696"},"modified":"2025-07-27T19:39:29","modified_gmt":"2025-07-27T17:39:29","slug":"le-futur-du-photovoltaique-a-haute-tension","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/le-futur-du-photovoltaique-a-haute-tension\/","title":{"rendered":"Le futur du photovolta\u00efque haute tension \u00e0 3000 Vdc ?"},"content":{"rendered":"<h3><span style=\"font-size: 16px;\">Le photovolta\u00efque sera la premi\u00e8re source mondiale d&rsquo;\u00e9lectricit\u00e9 avant 2050. Cependant, un photovolta\u00efque plus performant et durable, n\u00e9cessite des \u00e9volutions technologiques sur les panneaux solaires. Le CEA est pr\u00e9curseur et montre des r\u00e9sultats et \u00e9quipements uniques dans ce domaine.<\/span><\/h3>\n<p><strong>Vers des centrales 3000 Vdc.<\/strong><\/p>\n<p>Pourtant, m\u00eame les plus grandes centrales solaires de plusieurs gigawatts fonctionnent aujourd&rsquo;hui en basse tension, ce qui limite leur puissance, complique leur conception et augmente les co\u00fbts de c\u00e2blage. Parall\u00e8lement, l&rsquo;int\u00e9gration du photovolta\u00efque sur des infrastructures lin\u00e9aires existantes (routes, voies ferr\u00e9es, canaux) gagne en int\u00e9r\u00eat. Mais ces configurations augmentent la puissance \u00e0 transporter, et donc les courants en jeu. Le passage de 1500 Vdc usuels \u00e0 3000 Vdc r\u00e9duit de 50% les pertes et permet une \u00e9conomie de 47% en cuivre et aluminium pour des syst\u00e8mes d\u00e9centralis\u00e9s.<\/p>\n<p>Au CEA les premiers travaux ont d\u00e9marr\u00e9s en 2014 dans le cadre d&rsquo;un appel d&rsquo;offre de la CRE, visant \u00e0 fournir un design de panneaux et de syst\u00e8mes photovolta\u00efques pouvant fonctionner \u00e0 3 000 Vdc. Un d\u00e9monstrateur a \u00e9t\u00e9 mis en \u0153uvre sur la toiture de l&rsquo;INES.\u00a0le march\u00e9 n&rsquo;\u00e9tait pas pr\u00eat, la priorit\u00e9 \u00e9tait d&rsquo;installer en volume des centrales utilisant des technologies \u00e9prouv\u00e9es.\u00a0Aujourd&rsquo;hui, la communaut\u00e9 photovolta\u00efque semble atteindre un consensus et vouloir franchir le pas vers la haute tension. Cela se traduit par une norme (IEC-63543) en pr\u00e9paration pour adresser les panneaux et syst\u00e8mes des tensions jusqu&rsquo;\u00e0 3000 Vdc.<\/p>\n<h4>Dans le cadre du projet Raccor-D\u00a0avec la SNCF, le CEA a pu d\u00e9montrer une architecture stabilis\u00e9e de panneaux photovolta\u00efques fonctionnant \u00e0 3000Vdc.\u200b<\/h4>\n<p>Avec l&rsquo;augmentation des tensions appliqu\u00e9es, les modules sont expos\u00e9s \u00e0 des risques accrus de d\u00e9gradation li\u00e9es au ph\u00e9nom\u00e8ne PID (Potential Induced Degradation). La s\u00e9lection des \u00e9l\u00e9ments constituant les panneaux comme le verre, les encapsulants, les cellules les plus adapt\u00e9s n\u00e9cessite des caract\u00e9risations avanc\u00e9es et la mise en place de moyens d&rsquo;essais sp\u00e9cifiques.\u00a0A titre d&rsquo;exemple des tests PID men\u00e9s \u00e0 3,000 Vdc permettent d&rsquo;approfondir la compr\u00e9hension des m\u00e9canismes de d\u00e9placement des charges sous l&rsquo;effet du champ \u00e9lectrique, ouvrant ainsi la voie \u00e0 des syst\u00e8mes photovolta\u00efques plus robustes et durables.\u00a0 \u200b<\/p>\n<p><a href=\"https:\/\/liten.cea.fr\/cea-tech\/liten\">CEA Liten<\/a>\u00a0 &#8211; <a href=\"https:\/\/liten.cea.fr\/cea-tech\/liten\/Pages\/Medias\/Actualites\/2025\/Le-futur-du-photovoltaique-a-haute-tension.aspx\">Photovolta\u00efque 3000 Vddc<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le photovolta\u00efque sera la premi\u00e8re source mondiale d&rsquo;\u00e9lectricit\u00e9 avant 2050. Cependant, un photovolta\u00efque plus performant et durable, n\u00e9cessite des \u00e9volutions technologiques sur les panneaux solaires. Le CEA est pr\u00e9curseur et montre des r\u00e9sultats et \u00e9quipements uniques dans ce domaine. Vers des centrales 3000 Vdc. Pourtant, m\u00eame les plus grandes centrales solaires de plusieurs gigawatts fonctionnent [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":483702,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[886,883],"tags":[10250,3241,10249],"domains":[47],"ppma_author":[1143],"class_list":["post-483696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-fr","category-technologies","tag-cea-liten","tag-energie-solaire","tag-photovoltaique-3000vdc","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Le futur du photovolta\u00efque haute tension \u00e0 3000 Vdc ? ...<\/title>\n<meta name=\"description\" content=\"Un photovolta\u00efque plus performant et durable, n\u00e9cessite des \u00e9volutions technologiques sur les panneaux solaires\" \/>\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.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/483696\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le futur du photovolta\u00efque haute tension \u00e0 3000 Vdc ?\" \/>\n<meta property=\"og:description\" content=\"Un photovolta\u00efque plus performant et durable, n\u00e9cessite des \u00e9volutions technologiques sur les panneaux solaires\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/483696\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-27T17:27:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-27T17:39:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/2025\/07\/CEA-Photovoltaique-3000Vdc.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"398\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Daniel Cardon\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel Cardon\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/test.ecinews.fr\/fr\/le-futur-du-photovoltaique-a-haute-tension\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/test.ecinews.fr\/fr\/le-futur-du-photovoltaique-a-haute-tension\/\"},\"author\":{\"name\":\"Daniel Cardon\",\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#\/schema\/person\/93c44cde463762f40a8236eaa44c1c17\"},\"headline\":\"Le futur du photovolta\u00efque haute tension \u00e0 3000 Vdc ?\",\"datePublished\":\"2025-07-27T17:27:55+00:00\",\"dateModified\":\"2025-07-27T17:39:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/test.ecinews.fr\/fr\/le-futur-du-photovoltaique-a-haute-tension\/\"},\"wordCount\":405,\"publisher\":{\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#organization\"},\"keywords\":[\"CEA-Liten\",\"Energie solaire\",\"Photovolta\u00efque 3000Vdc\"],\"articleSection\":[\"Actualit\u00e9 g\u00e9n\u00e9rale\",\"Technologies\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/test.ecinews.fr\/fr\/le-futur-du-photovoltaique-a-haute-tension\/\",\"url\":\"https:\/\/test.ecinews.fr\/fr\/le-futur-du-photovoltaique-a-haute-tension\/\",\"name\":\"Le futur du photovolta\u00efque haute tension \u00e0 3000 Vdc ? 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