{"id":4397,"date":"2007-02-15T20:50:46","date_gmt":"2007-02-15T20:50:46","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/02\/15\/wind-night-proj\/"},"modified":"2012-07-12T09:50:16","modified_gmt":"2012-07-12T09:50:16","slug":"wind-night-proj","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/02\/15\/wind-night-proj\/","title":{"rendered":"Wind Night Project"},"content":{"rendered":"

\"Wind_energy_release\"<\/a> Un d\u00e9faut important de l’\u00e9nergie \u00e9olienne reste l’aspect "volage" de sa puissance produite notamment en raison des conditions m\u00e9t\u00e9os variables. L’\u00e9nergie \u00e9lectrique \u00e9tant difficilemnet stockable, cela impose pour r\u00e9pondre \u00e0 la demande, de lancer par intermittence des centrales conventionnelles (type turbines \u00e0 gaz, centrales \u00e0 charbon). Le bilan CO2 de l’\u00e9nergie \u00e9olienne ne peut plus, d\u00e9s lors \u00eatre consid\u00e9r\u00e9 comme nul (en \u00e9tant un tant soit peu pragmatique).<\/p>\n

Un projet nomm\u00e9 "Night Wind" associant Hollandais, Danois, Bulgares et Espagnols se propose d’apporter un d\u00e9but de r\u00e9ponse \u00e0 ce probl\u00e8me. L’id\u00e9e est simplissime: utiliser l’\u00e9nergie \u00e9olienne produite la nuit, soit une p\u00e9riode de faible demande en \u00e9lectricit\u00e9, pour refroidir des entrep\u00f4ts frigorifiques de l’ordre de 1\u00b0c en dessous de leur temp\u00e9rature usuelle. La journ\u00e9e, alors que la demande est sup\u00e9rieure, les entrep\u00f4ts laissent la temp\u00e9rature remonter jusqu’\u00e0 la temp\u00e9rature initiale.
\"Index01\"<\/a>
Plus pr\u00e9cis\u00e9ment, un algorithme sera charg\u00e9 la journ\u00e9e, de d\u00e9terminer \u00e0 chaque instant l’emploi id\u00e9al de l’\u00e9nergie \u00e9olienne: soit vers le refroidissement de l’entrep\u00f4t, soit \u00e0 la revente sur le r\u00e9seau. L’avantage certain est le co\u00fbt quasiment nul d’une telle id\u00e9e.<\/p>\n

La recherche porte notamment sur:
-l’aspect \u00e9conomique d’une telle d\u00e9marche
-l’algorithme d’int\u00e9gration dans le r\u00e9seau \u00e9lectrique (choix de la destination…)
-la pr\u00e9servation de la qualit\u00e9 des produits congel\u00e9s lors des fluctuations de temp\u00e9ratures<\/p>\n

Un projet de d\u00e9monstration est pr\u00e9vu pour le second semestre 2007 aux Pays-Bas.
Pour donner un ordre de grandeur, l’\u00e9nergie "stock\u00e9e" (je pr\u00e9f\u00e8re dire "mise en cache"…) pour une amplitude de 1\u00b0c sur tous les entrep\u00f4ts am\u00e9ricains correspond \u00e0 900 GWh soit 2 heures de la consommation \u00e9lectrique am\u00e9ricaine (source: After Gutenberg<\/a>).
Je pense que ce type de projet d\u00e9passe le cadre m\u00eame de l’\u00e9olien dans la mesure o\u00f9 une demande constante en \u00e9lectricit\u00e9 (\u00e7a reste utopique, j’en conviens) engendrerait bien des avantages (CO2 mais \u00e9galement les probl\u00e8mes de pannes…) m\u00eame sans \u00e9olienne.<\/p>\n

+ d’infos sur la page officielle<\/a> du projet.<\/p>\n","protected":false},"excerpt":{"rendered":"

Un d\u00e9faut important de l’\u00e9nergie \u00e9olienne reste l’aspect "volage" de sa puissance produite notamment en raison des conditions m\u00e9t\u00e9os variables. L’\u00e9nergie \u00e9lectrique \u00e9tant difficilemnet stockable, cela impose pour r\u00e9pondre \u00e0 la demande, de lancer par intermittence des centrales conventionnelles (type turbines \u00e0 gaz, centrales \u00e0 charbon). Le bilan CO2 de l’\u00e9nergie \u00e9olienne ne peut plus, […]<\/p>\n","protected":false},"author":344,"featured_media":4977,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,335],"tags":[],"class_list":["post-4397","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eolien","category-recherche"],"yoast_head":"\nWind Night Project - leblogenergie.com<\/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:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/02\/15\/wind-night-proj\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Wind Night Project - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"Un d\u00e9faut important de l’\u00e9nergie \u00e9olienne reste l’aspect "volage" de sa puissance produite notamment en raison des conditions m\u00e9t\u00e9os variables. 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