{"id":7100,"date":"2025-04-07T23:40:27","date_gmt":"2025-04-07T23:40:27","guid":{"rendered":"https:\/\/eternumebrietas.org\/?p=7100"},"modified":"2025-09-01T01:11:58","modified_gmt":"2025-09-01T01:11:58","slug":"off-grid-solar-system","status":"publish","type":"post","link":"https:\/\/eternumebrietas.org\/fr\/off-grid-solar-system\/","title":{"rendered":"Syst\u00e8me solaire hors r\u00e9seau"},"content":{"rendered":"
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\nPasser au solaire ne signifie pas forc\u00e9ment d\u00e9penser des milliers d'euros. Si vous souhaitez installer une petite unit\u00e9 autonome, vous pouvez le faire vous-m\u00eame avec l'aide d'Eternum Ebrietas en math\u00e9matiques et en \u00e9lectricit\u00e9.\n<\/p><\/blockquote>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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\u00c9quipement et outils n\u00e9cessaires pour un syst\u00e8me solaire<\/h2>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t
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Avant de parler de l\u2019installation, voici une liste d\u2019\u00e9quipements et d\u2019outils dont vous aurez besoin :<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n

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  • Panneaux solaires\u00a0: Le premier \u00e9l\u00e9ment dont vous aurez besoin, et le plus \u00e9vident, est un panneau solaire. Les panneaux sont la partie productrice d'\u00e9nergie du syst\u00e8me.<\/li>\n
  • Onduleur\u00a0: Un onduleur convertit le courant continu (CC) des panneaux en courant alternatif (CA) utilisable. La plupart des appareils modernes fonctionnent sur courant alternatif, sauf si vous choisissez d'utiliser un ensemble d'appareils CC pour votre syst\u00e8me.<\/li>\n
  • Batterie : Une batterie stocke l\u2019exc\u00e8s d\u2019\u00e9nergie pendant la journ\u00e9e et la fournit pendant la nuit \u2014 une t\u00e2che importante puisque les panneaux solaires cessent de fonctionner apr\u00e8s le coucher du soleil.<\/li>\n
  • Contr\u00f4leur de charge : Un contr\u00f4leur de charge am\u00e9liore l\u2019efficacit\u00e9 et la s\u00e9curit\u00e9 de la charge de la batterie.<\/li>\n
  • C\u00e2blage : Un ensemble de fils est n\u00e9cessaire pour connecter tous les composants du syst\u00e8me.<\/li>\n
  • Supports de montage : Bien que facultatifs, les supports de montage sont utiles pour placer les panneaux solaires \u00e0 un angle optimal pour la production d'\u00e9nergie.<\/li>\n
  • Articles divers\u00a0: Outre les \u00e9l\u00e9ments essentiels list\u00e9s ci-dessus, vous pourriez avoir besoin des composants suivants pour compl\u00e9ter le syst\u00e8me\u00a0:\nFusibles\/disjoncteurs\nConnecteurs (notez que de nombreux composants modernes sont \u00e9quip\u00e9s de connecteurs int\u00e9gr\u00e9s)\nColliers de serrage\nDispositif de mesure (facultatif)\nCosses de raccordement<\/li>\n
  • Outils\u00a0: Vous aurez \u00e9galement besoin d'outils simples d'utilisation pour installer le syst\u00e8me.\n\nPince \u00e0 d\u00e9nuder\n\nPince \u00e0 sertir\n\nPinces\n\nTournevis\n\nCl\u00e9s<\/li>\n<\/ul>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t
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    Comment concevoir un syst\u00e8me d'\u00e9nergie solaire<\/h2>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t
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    Concevoir un syst\u00e8me d'\u00e9nergie solaire implique de d\u00e9terminer la taille du syst\u00e8me n\u00e9cessaire. Cette taille d\u00e9pend principalement des besoins \u00e9lectriques totaux de tous les appareils qu'il alimentera.<\/p>\n

    Pour ce faire, r\u00e9pertoriez tous vos appareils et leur consommation \u00e9lectrique (horaire) et \u00e9nerg\u00e9tique (quotidienne). La puissance de chaque appareil est indiqu\u00e9e en watts (W) et est souvent indiqu\u00e9e sur l'appareil. Vous pouvez \u00e9galement utiliser des outils en ligne pour conna\u00eetre la consommation \u00e9lectrique de vos appareils.<\/p>\n

    Calculez la consommation d'\u00e9nergie en multipliant la consommation \u00e9lectrique par le nombre d'heures d'utilisation. Une fois que vous connaissez la puissance nominale de tous les appareils que vous pr\u00e9voyez d'utiliser \u00e0 l'\u00e9nergie solaire, \u00e9tablissez un tableau avec les valeurs de puissance et d'\u00e9nergie.<\/p>\n

    Voici un exemple de tableau. Notez que les valeurs de la derni\u00e8re colonne sont le produit des deux colonnes pr\u00e9c\u00e9dentes (watts et heures).<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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    Le tableau ci-dessus indique qu'\u00e0 tout moment de la journ\u00e9e, la puissance maximale absorb\u00e9e par les panneaux solaires est de 470 W et que la consommation totale d'\u00e9nergie sur un cycle de 24 heures est de 2\u00a0740 Wh, soit 2,74 kilowattheures (kWh). Voyons comment utiliser ces chiffres pour calculer la taille des panneaux solaires, de l'onduleur et de la batterie. Commen\u00e7ons par la batterie.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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    Un contr\u00f4leur de charge typique de 20 A.<\/h5>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t
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    Dimensionnement des panneaux solaires<\/h3>\n\t<\/div>\n<\/div>\n\n\n\n\n
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    Pour dimensionner vos panneaux solaires, commencez par d\u00e9terminer le nombre moyen d'heures d'ensoleillement dans votre r\u00e9gion. Vous pouvez trouver le nombre d'heures d'ensoleillement quotidiennes pour n'importe quel endroit gr\u00e2ce \u00e0 de nombreuses sources sur Internet. Une fois ce nombre obtenu, voici un calcul simple pour d\u00e9terminer la taille de vos panneaux solaires.<\/p>\n

    \u00c9nergie totale requise (Wh) \u00f7 heures d'ensoleillement quotidiennes (h) = taille du panneau solaire (W)<\/p>\n

    En supposant que l'emplacement dans l'exemple ci-dessus re\u00e7oit environ 4,5 heures de soleil par jour, nous avons :<\/p>\n

    2\u00a0740 Wh \u00f7 4,5 h = panneaux de 608 W<\/p>\n

    L\u00e0 encore, avec une certaine marge de s\u00e9curit\u00e9, nous pouvons utiliser deux panneaux solaires de 350 watts. Ces deux panneaux seront connect\u00e9s en s\u00e9rie, comme illustr\u00e9 ci-dessous.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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    Panneaux solaires connect\u00e9s en s\u00e9rie.<\/h5>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t
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    Dimensionnement de la batterie et du contr\u00f4leur de charge<\/h3>\n\t<\/div>\n<\/div>\n\n\n\n\n
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    La plupart des entreprises proposent d\u00e9sormais des batteries sp\u00e9cifi\u00e9es en Wh ou en kWh. Pour le profil de charge de notre exemple ci-dessus, la batterie devrait pouvoir stocker au moins 2,74 kWh. Avec une marge de s\u00e9curit\u00e9, nous pouvons utiliser une capacit\u00e9 de batterie fiable de 3 kWh.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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    Une batterie solaire typique de 3 kWh.<\/h5>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t
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    Le choix d'un r\u00e9gulateur de charge est similaire. Recherchez un r\u00e9gulateur dont la tension nominale correspond \u00e0 celle du panneau et de la batterie (par exemple, 12 V). V\u00e9rifiez les sp\u00e9cifications du r\u00e9gulateur pour vous assurer que sa capacit\u00e9 de courant est sup\u00e9rieure au courant nominal des panneaux solaires (par exemple, utilisez un r\u00e9gulateur de 20 A pour des panneaux solaires de 11 A).<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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    Choisir l'onduleur<\/h3>\n\t<\/div>\n<\/div>\n\n\n\n\n
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    Le choix de votre onduleur d\u00e9pend de la puissance de votre batterie et de votre panneau solaire. Choisissez un onduleur dont la puissance nominale est l\u00e9g\u00e8rement sup\u00e9rieure \u00e0 celle de vos panneaux. Dans l'exemple ci-dessus, nous avons des panneaux de 750 W et pouvons utiliser un onduleur de 1\u00a0000 W.<\/p>\n

    Ensuite, assurez-vous que la tension d\u2019entr\u00e9e PV de l\u2019onduleur correspond \u00e0 la tension du panneau solaire (par exemple, 36 V) et que la tension d\u2019entr\u00e9e de la batterie correspond \u00e0 la tension nominale de votre batterie (par exemple, 12 V).<\/p>\n

    Vous pouvez acheter un onduleur avec ports int\u00e9gr\u00e9s et connecter vos appareils directement \u00e0 l'onduleur, pour une facilit\u00e9 d'utilisation.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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    Un onduleur hors r\u00e9seau typique avec ports.<\/h5>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t
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    Choisir les bonnes tailles de c\u00e2bles<\/h3>\n\t<\/div>\n<\/div>\n\n\n\n\n
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    Pour les petits syst\u00e8mes comme celui que nous concevons, la taille du c\u00e2ble n'est pas un probl\u00e8me majeur. Vous pouvez opter pour un c\u00e2ble standard de 4 mm pour toutes vos connexions.<\/p>\n

    Pour les syst\u00e8mes plus importants, des sections de c\u00e2bles adapt\u00e9es sont essentielles pour garantir des performances optimales et s\u00fbres. Dans ce cas, consultez un guide des tailles de c\u00e2bles en ligne.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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    Installation du syst\u00e8me<\/h3>\n\t<\/div>\n<\/div>\n\n\n\n\n
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    \u00c0 ce stade, vous disposerez de tous les \u00e9quipements aux dimensions ad\u00e9quates. Ceci vous am\u00e8ne \u00e0 l'\u00e9tape finale\u00a0: l'installation. Installer un syst\u00e8me d'\u00e9nergie solaire n'est pas compliqu\u00e9. La plupart des \u00e9quipements modernes sont \u00e9quip\u00e9s de ports et de connecteurs pr\u00eats \u00e0 l'emploi, ce qui facilite le raccordement des composants.<\/p>\n

    Lors du raccordement des composants, suivez le sch\u00e9ma de c\u00e2blage ci-dessous. Cela garantira que le courant circule dans le bon ordre et dans le bon sens.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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    Sch\u00e9ma de c\u00e2blage du syst\u00e8me solaire hors r\u00e9seau.<\/h5>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t
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    Pens\u00e9es finales<\/h3>\n\t<\/div>\n<\/div>\n\n\n\n\n
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    Vous pouvez \u00e9galement opter pour un syst\u00e8me solaire portable, qui utilise un dispositif combinant batterie, onduleur et autres composants \u00e9lectroniques en une seule unit\u00e9. Il vous suffit d'y brancher vos panneaux solaires. Cette option est l\u00e9g\u00e8rement plus ch\u00e8re, mais aussi la plus simple.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t

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    <\/div><\/div>\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>","protected":false},"excerpt":{"rendered":"Going solar does not mean you must spend many thousands. If you want to install a simple, small off-grid unit, you can do it yourself with a little help from...","protected":false},"author":7,"featured_media":7102,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45,267,46],"tags":[183,268,184,269],"class_list":["post-7100","post","type-post","status-publish","format-standard","has-post-thumbnail","category-eternum","category-go-green","category-noticias","tag-beira-baixa","tag-go-green","tag-portugal","tag-solar-system"],"yoast_head":"\nOff-grid Solar System | Eternum Ebrietas<\/title>\n<meta name=\"description\" content=\"Installing a simple, small Off-grid Solar System unit, you can do it yourself with a little math and some basic electrical knowledge.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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