{"id":1842,"date":"2008-10-05T15:21:19","date_gmt":"2008-10-05T15:21:19","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/10\/05\/la-traction-lec\/"},"modified":"2012-07-12T11:00:56","modified_gmt":"2012-07-12T11:00:56","slug":"la-traction-lec","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/10\/05\/la-traction-lec\/","title":{"rendered":"La traction \u00e9lectrique ne r\u00e9volutionnera pas la production d&rsquo;\u00e9lectricit\u00e9 dans le monde"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/electriccar.jpg\"><\/a><\/p>\n<p><a href=\"http:\/\/clabedan.typepad.com\/photos\/uncategorized\/2008\/10\/05\/projetpininfarina1.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"166\" alt=\"Projetpininfarina1\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/projetpininfarina12.jpg\" width=\"250\"  \/><\/a>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Les erreurs les plus commun\u00e9ment commises sont celles d&rsquo;ordres de grandeur. La conversion de la TOTALITE du parc automobile en voitures \u00e9lectriques serait-elle la catastrophe \u00e9cologique que certains, paradoxalement, soup\u00e7onnent? Qui dit \u00e9lectricit\u00e9 dit mauvais rendement \u00e9nerg\u00e9tique et donc gaspillage. C&rsquo;est \u00e9vident. Il ne faut donc pas aller vers la traction \u00e9lectrique. Trivial! <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Un petit calcul et quelques arguments qualitatifs vont d\u00e9montrer que cette certitude n&rsquo;est pas fond\u00e9e. <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Lorsque la totalit\u00e9 du parc automobile am\u00e9ricain ou europ\u00e9en sera \u00e9lectrique ou hybride rechargeable cela repr\u00e9sentera environ 250 millions de v\u00e9hicules pour l&rsquo;une ou pour l&rsquo;autre des deux zones. Supposons largement que chaque v\u00e9hicule parcoure 30000 km par an en mode \u00e9lectrique (51 miles ou 82 kilom\u00e8tres par jour) sur la base d&rsquo;un rendement \u00e9lectrique global actuel de 10km parcouru par kWh d&rsquo;\u00e9lectricit\u00e9 consomm\u00e9e, un v\u00e9hicule consommera annuellement 3000 kWh d&rsquo;\u00e9lectricit\u00e9 (3MWh d&rsquo;\u00e9lectricit\u00e9 \u00e0 100 euros ou 100$ le MWh). La totalit\u00e9 des 250 millions de v\u00e9hicules consommeront donc, dans l&rsquo;\u00e9tat actuel de la technologie, <span style=\"color: #3300cc\"><strong>750 TWh<\/strong> <\/span>d&rsquo;\u00e9nergie \u00e9lectrique.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Cette consommation suppl\u00e9mentaire d&rsquo;\u00e9lectricit\u00e9 ne repr\u00e9senterait donc que <u>18% de la production nette am\u00e9ricaine d&rsquo;\u00e9lectricit\u00e9 en 2007<\/u> qui a \u00e9t\u00e9 de 4160 TWh et <u>22% de la production d&rsquo;\u00e9lectricit\u00e9 de l&rsquo;Europe des 27<\/u> qui a \u00e9t\u00e9 en 2006 de 3350 TWh.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Pourquoi ce chiffre est-il aussi raisonnable? La principale raison est l&rsquo;am\u00e9lioration de l&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique des futurs v\u00e9hicules \u00e9lectriques. Les \u00e9conomies d&rsquo;\u00e9nergie par all\u00e8gement, a\u00e9rodynamisme, r\u00e9cup\u00e9ration au freinage, panneaux solaires et chasse au gaspillage feront faire de formidables progr\u00e8s. Remarque: prendre l&rsquo;\u00e9nergie consomm\u00e9e aujourd&rsquo;hui par la traction des voitures \u00e0 moteur \u00e0 explosion et la convertir en \u00e9nergie \u00e9lectrique, comme l&rsquo;a fait je ne sais plus quelle Agence, n&rsquo;a aucun sens et ne permet que de raconter des \u00e2neries. C&rsquo;est en effet passer par z\u00e9ro tout le travail sur la traction \u00e9lectrique et les optimisations associ\u00e9es des 30 derni\u00e8res ann\u00e9es.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; L&rsquo;\u00e9lectricit\u00e9 et non pas l&rsquo;Hydrog\u00e8ne, comme certains charlatans ont voulu le faire croire, sera le vecteur \u00e9nerg\u00e9tique du 21\u00e8me si\u00e8cle. La faute \u00e0 la rar\u00e9faction in\u00e9luctable des combustibles liquides. Il reste \u00e0 notre civilisation de pr\u00e9ciser par quels moyens nous allons produire cette \u00e9lectricit\u00e9, les ressources \u00e0 d\u00e9velopper et \u00e0 optimiser ne manquent pas et les rendements de conversion \u00e0 am\u00e9liorer non plus. Les meilleurs choix seront ceux qui r\u00e9duiront les \u00e9missions de CO2 des centrales \u00e0 combustions \u00e0 flamme (temp\u00e9ratures hypercritiques) ou les \u00e9viteront tout en pr\u00e9sentant un large champ de progr\u00e8s technologique et \u00e9conomique (nucl\u00e9aire et solaire).<\/p>\n<p>Le 5 Octobre 2008.<\/p>\n<p>&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Les erreurs les plus commun\u00e9ment commises sont celles d&rsquo;ordres de grandeur. La conversion de la TOTALITE du parc automobile en voitures \u00e9lectriques serait-elle la catastrophe \u00e9cologique que certains, paradoxalement, soup\u00e7onnent? Qui dit \u00e9lectricit\u00e9 dit mauvais rendement \u00e9nerg\u00e9tique et donc gaspillage. C&rsquo;est \u00e9vident. Il ne faut donc pas aller [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":10389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1842","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vehicules-electriques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La traction \u00e9lectrique ne r\u00e9volutionnera pas la production d&#039;\u00e9lectricit\u00e9 dans le monde - 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\/2008\/10\/05\/la-traction-lec\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"La traction \u00e9lectrique ne r\u00e9volutionnera pas la production d&#039;\u00e9lectricit\u00e9 dans le monde - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Les erreurs les plus commun\u00e9ment commises sont celles d&rsquo;ordres de grandeur. La conversion de la TOTALITE du parc automobile en voitures \u00e9lectriques serait-elle la catastrophe \u00e9cologique que certains, paradoxalement, soup\u00e7onnent? Qui dit \u00e9lectricit\u00e9 dit mauvais rendement \u00e9nerg\u00e9tique et donc gaspillage. C&rsquo;est \u00e9vident. 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