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{"id":1614,"date":"2010-11-08T06:15:02","date_gmt":"2010-11-08T04:15:02","guid":{"rendered":"https:\/\/energethique.be\/?p=1614"},"modified":"2010-11-07T11:52:00","modified_gmt":"2010-11-07T09:52:00","slug":"une-vague-energie","status":"publish","type":"post","link":"https:\/\/energethique.be\/2010\/une-vague-energie\/","title":{"rendered":"Une vague \u00e9nergie"},"content":{"rendered":"

Rien de nouveau ou presque puisqu’on en a d\u00e9j\u00e0 touch\u00e9 un mot ICI<\/a> mais il faut bien avouer que les \u00e9nergies marines sont bien plus discr\u00e8tes que le solaire ou l’\u00e9olien ; il ne faut pas non plus en d\u00e9duire que si on en parle pas c’est que rien n’est fait .<\/p>\n

Si on regarde le potentiel des \u00e9nergies marines on ne peut \u00eatre que conquit puisque la terre est recouverte \u00e0 70% d’eau, bien entendu il faut aussi prendre en compte certaines contraintes comme le fait d’installer une production \u00e9lectrique au milieu de l’oc\u00e9an n’a aucun sens, il faut que ces centrales soient con\u00e7ues intelligemment et donc pas trop \u00e9loign\u00e9es des c\u00f4tes.<\/p>\n

La France a ainsi mis en service en 1966 une unit\u00e9 de 240MW \u00e0 Rance transformant l’\u00e9nergie de la mer en \u00e9lectricit\u00e9 (Usine mar\u00e9emotrice de la Rance<\/a>) mais ce qui est encore plus fou c’est que ce projet a d\u00e9but\u00e9 en 1925 … mais fut abandonn\u00e9 en 1930 faute de financement !<\/p>\n

Voici la maquette de l’installation o\u00f9 l’on peut voir la turbine plac\u00e9e sous le barrage, on imagine facilement le fonctionnement avec le flux et reflux des mar\u00e9es.<\/p>\n

\"\"<\/p>\n

Bref vraiment rien de nouveau et on ne peut, avec le recul, que regretter le manque de clairvoyance de l’\u00e9poque.<\/p>\n

Aujourd’hui ce sont les Etats-Unis qui se lance dans l’aventure en installant et connectant des superbou\u00e9es OPT PB40 dont voici quelques photos ainsi qu’un sch\u00e9ma d’ensemble.<\/p>\n

On peut voir ici apr\u00e8s la bou\u00e9e \u00e0 l’horizontal avant immersion et ainsi se rendre compte de la taille en comparant avec les engins situ\u00e9s \u00e0 son pourtour.<\/p>\n

\"\"<\/p>\n

Une fois immerg\u00e9e la bou\u00e9e devient pratiquement invisible dans l’immensit\u00e9 marine, il faut donc qu’elle adopte des couleurs vivent et un syst\u00e8me de signalisation pour les bateaux.<\/p>\n

\"\"<\/a><\/p>\n

Dans le sch\u00e9ma ci apr\u00e8s on voit clairement la mise en s\u00e9rie de diff\u00e9rentes bou\u00e9es ainsi que la connexion sur le r\u00e9seau continental.<\/p>\n

\"\"<\/a><\/p>\n

Vous trouverez plus de renseignements sur le site Ocean Power Technologies<\/a>.<\/p>\n

Source: Technologies propres<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Rien de nouveau ou presque puisqu’on en a d\u00e9j\u00e0 touch\u00e9 un mot ICI<\/a> mais il faut bien avouer que les \u00e9nergies marines sont bien plus discr\u00e8tes que le solaire ou l’\u00e9olien ; il ne faut pas non plus en d\u00e9duire que si on en parle pas c’est que rien n’est fait .<\/p>\n

Si on regarde le potentiel des \u00e9nergies marines on ne peut \u00eatre que conquit puisque la terre est recouverte \u00e0 70% d’eau, bien entendu il faut aussi […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[1],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pBGwz-q2","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/1614"}],"collection":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/comments?post=1614"}],"version-history":[{"count":0,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/1614\/revisions"}],"wp:attachment":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/media?parent=1614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/categories?post=1614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/tags?post=1614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}