{"id":2881,"date":"2025-01-21T15:00:23","date_gmt":"2025-01-21T07:00:23","guid":{"rendered":"https:\/\/www.sunvoltbat.com\/?p=2881"},"modified":"2025-01-13T15:03:09","modified_gmt":"2025-01-13T07:03:09","slug":"how-to-calculate-the-number-of-batteries-for-ups-systems","status":"publish","type":"post","link":"https:\/\/www.sunvoltbat.com\/fr\/how-to-calculate-the-number-of-batteries-for-ups-systems.html\/","title":{"rendered":"Comment calculer le nombre de batteries pour les syst\u00e8mes ASI"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Un syst\u00e8me d'alimentation sans interruption (ASI) est un \u00e9l\u00e9ment essentiel de la protection moderne de l'\u00e9nergie, car il fournit une alimentation de secours \u00e0 court terme pour assurer le fonctionnement continu des appareils essentiels pendant les pannes de courant. Le nombre de batteries n\u00e9cessaires \u00e0 un syst\u00e8me d'ASI est directement li\u00e9 \u00e0 la dur\u00e9e de sauvegarde qu'il peut offrir. La capacit\u00e9 et le nombre de batteries n\u00e9cessaires d\u00e9pendent de plusieurs param\u00e8tres cl\u00e9s, tels que la puissance nominale de l'onduleur, le temps de sauvegarde et la tension de la batterie. Voyons comment calculer le nombre de batteries n\u00e9cessaires pour un syst\u00e8me ASI.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Facteurs cl\u00e9s influen\u00e7ant la quantit\u00e9 de batterie de l'ASI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lors du calcul du nombre de batteries n\u00e9cessaires pour un onduleur, les facteurs suivants jouent un r\u00f4le crucial :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Puissance de charge<\/strong><br>La puissance de charge de l'ASI d\u00e9termine la capacit\u00e9 de batterie requise. Les syst\u00e8mes d'ASI utilisent g\u00e9n\u00e9ralement la puissance apparente (mesur\u00e9e en VA) au lieu de la puissance r\u00e9elle (W) pour calculer les besoins en batteries.<\/li>\n\n\n\n<li><strong>Tension de terminaison (V_low)<\/strong><br>Il s'agit de la tension \u00e0 laquelle une batterie ne peut plus fournir d'\u00e9nergie utilisable. Pour une batterie de 2V, V_low est g\u00e9n\u00e9ralement fix\u00e9 \u00e0 1,7V ; pour une batterie de 12V, il est de 10,2V.<\/li>\n\n\n\n<li><strong>Tension flottante (V_float)<\/strong><br>La tension de maintien est la tension utilis\u00e9e pour maintenir la batterie en mode veille et assurer sa long\u00e9vit\u00e9. Pour les batteries de 2V, V_float est fix\u00e9e \u00e0 2,3V, et pour les batteries de 12V, elle est g\u00e9n\u00e9ralement de 13,8V.<\/li>\n\n\n\n<li><strong>Facteur de conversion de la capacit\u00e9 de la batterie (Kh)<\/strong><br>Ce facteur varie en fonction de la dur\u00e9e de l'\u00e9vacuation. Un d\u00e9bit de 10 heures a un Kh de 1, un d\u00e9bit de 5 heures de 0,9, un d\u00e9bit de 3 heures de 0,75 et un d\u00e9bit d'une heure de 0,6.<\/li>\n\n\n\n<li><strong>Courant de la batterie (I)<\/strong><br>Il s'agit du courant n\u00e9cessaire pour alimenter la charge de l'onduleur, ce qui influe directement sur la capacit\u00e9 et le nombre de batteries n\u00e9cessaires.<\/li>\n\n\n\n<li><strong>Temps de sauvegarde (T)<\/strong><br>Le temps de sauvegarde d\u00e9termine la dur\u00e9e pendant laquelle l'onduleur peut fournir de l'\u00e9nergie sans entr\u00e9e CA. Les temps de sauvegarde plus longs n\u00e9cessitent plus de batteries.<\/li>\n\n\n\n<li><strong>Tension DC de l'ASI (V)<\/strong><br>Les syst\u00e8mes ASI fonctionnent g\u00e9n\u00e9ralement \u00e0 des tensions continues allant de 24 \u00e0 384 V. La configuration de la batterie requise d\u00e9pend de la tension du syst\u00e8me. La configuration de la batterie requise d\u00e9pend de la tension du syst\u00e8me.<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-2-3.jpg\" alt=\"Centrale \u00e9lectrique portable WPP300-02\" class=\"wp-image-2809\" srcset=\"https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-2-3.jpg 800w, https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-2-3-300x300.jpg 300w, https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-2-3-150x150.jpg 150w, https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-2-3-768x768.jpg 768w, https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-2-3-12x12.jpg 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">La centrale \u00e9lectrique portable SunVolt<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">2. M\u00e9thode de calcul de base pour la quantit\u00e9 de batterie de l'ASI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En utilisant les param\u00e8tres ci-dessus, le nombre de piles n\u00e9cessaires peut \u00eatre calcul\u00e9 \u00e0 l'aide des formules suivantes :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Nombre de piles (N) :<\/strong><br>Pour un syst\u00e8me de batteries de 12V, le nombre de batteries n\u00e9cessaires est calcul\u00e9 comme suit :<br>N=V12VN = \\frac{V}{12V}N=12VV<br>Par exemple, un onduleur avec un syst\u00e8me de 36 V n\u00e9cessiterait 3 batteries de 12 V chacune.<\/li>\n\n\n\n<li><strong>Courant de la batterie (I) :<\/strong><br>Le courant demand\u00e9 \u00e0 la batterie est de<br>I=PtotalVI = \\frac{P_{\\text{total}}{V}I=VPtotal<br>Pour un onduleur de 1000VA avec 36V, le courant serait :<br>I=100036=28AI = \\frac{1000}{36} = 28AI=361000=28A.<\/li>\n\n\n\n<li><strong>Capacit\u00e9 r\u00e9elle de la batterie (C) :<\/strong><br>La capacit\u00e9 requise de la batterie est calcul\u00e9e comme suit :<br>C=I\u00d7TKhC = \\frac{I \\times T}{K_h}C=KhI\u00d7T<br>Par exemple, avec un courant de 28A et un temps de sauvegarde de 4 heures \u00e0 Kh = 0,9, la capacit\u00e9 de batterie requise est la suivante :<br>C=28\u00d740,9=124AHC = \\frac{28 \\ fois 4}{0,9} = 124AHC=0,928\u00d74=124AH.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">3. Exemple de configuration de la batterie de l'ASI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pour un onduleur de 1 KVA n\u00e9cessitant 4 heures d'autonomie avec un syst\u00e8me de 36 V et des batteries de 100 A, les calculs sont les suivants :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Nombre de piles :<\/strong><br>N=36V12V=3N = \\frac{36V}{12V} = 3N=12V36V=3<br>Trois batteries de 12V sont n\u00e9cessaires.<\/li>\n\n\n\n<li><strong>Courant de la batterie :<\/strong><br>I=100036=28AI = \\frac{1000}{36} = 28AI=361000=28A<\/li>\n\n\n\n<li><strong>Capacit\u00e9 de la batterie :<\/strong><br>C=28\u00d740,9=124AHC = \\frac{28 \\ fois 4}{0,9} = 124AHC=0,928\u00d74=124AH<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Par cons\u00e9quent, le syst\u00e8me ASI pourrait \u00eatre configur\u00e9 avec 3 batteries de 100AH ou 6 batteries de 65AH, en fonction du co\u00fbt et des besoins de l'utilisateur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Conclusion<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le calcul du nombre de batteries pour un syst\u00e8me ASI est une t\u00e2che complexe qui implique plusieurs param\u00e8tres, notamment la puissance de l'ASI, la tension de la batterie, le temps de sauvegarde et la capacit\u00e9 de la batterie. En effectuant des calculs minutieux, on peut s'assurer que le syst\u00e8me ASI peut fournir une alimentation de secours stable pendant les pannes, r\u00e9pondant ainsi efficacement aux besoins de l'utilisateur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<p class=\"wp-block-tag-cloud\"><a href=\"https:\/\/www.sunvoltbat.com\/fr\/tag\/12v32ah\/\" class=\"tag-cloud-link tag-link-12 tag-link-position-1\" style=\"font-size: 19.016393442623pt;\" aria-label=\"12v32ah (17 \u00e9l\u00e9ments)\">12v32ah<\/a>\n<a href=\"https:\/\/www.sunvoltbat.com\/fr\/tag\/advanced-energy-storage-solutions\/\" class=\"tag-cloud-link tag-link-40 tag-link-position-2\" style=\"font-size: 8pt;\" aria-label=\"Advanced energy storage solutions (1 \u00e9l\u00e9ment)\">Solutions avanc\u00e9es de stockage de l'\u00e9nergie<\/a>\n<a href=\"https:\/\/www.sunvoltbat.com\/fr\/tag\/argonne\/\" class=\"tag-cloud-link tag-link-32 tag-link-position-3\" style=\"font-size: 8pt;\" aria-label=\"Argonne (1 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des v\u00e9hicules \u00e9lectriques<\/a>\n<a href=\"https:\/\/www.sunvoltbat.com\/fr\/tag\/evogo-battery-swapping-service\/\" class=\"tag-cloud-link tag-link-20 tag-link-position-18\" style=\"font-size: 8pt;\" aria-label=\"EVOGO Battery Swapping Service (1 \u00e9l\u00e9ment)\">Service d'\u00e9change de batteries EVOGO<\/a>\n<a href=\"https:\/\/www.sunvoltbat.com\/fr\/tag\/fluoro-ionomer\/\" class=\"tag-cloud-link tag-link-37 tag-link-position-19\" style=\"font-size: 8pt;\" aria-label=\"fluoro-ionomer (1 \u00e9l\u00e9ment)\">fluoro-ionom\u00e8re<\/a>\n<a href=\"https:\/\/www.sunvoltbat.com\/fr\/tag\/hamburg\/\" class=\"tag-cloud-link tag-link-36 tag-link-position-20\" style=\"font-size: 8pt;\" aria-label=\"Hamburg (1 \u00e9l\u00e9ment)\">Hambourg<\/a>\n<a href=\"https:\/\/www.sunvoltbat.com\/fr\/tag\/high-energy-density-batteries\/\" class=\"tag-cloud-link tag-link-44 tag-link-position-21\" style=\"font-size: 8pt;\" aria-label=\"High energy density batteries (1 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href=\"https:\/\/www.sunvoltbat.com\/fr\/tag\/wuling-nev-strategy\/\" class=\"tag-cloud-link tag-link-28 tag-link-position-44\" style=\"font-size: 8pt;\" aria-label=\"Wuling NEV Strategy (1 \u00e9l\u00e9ment)\">Strat\u00e9gie NEV de Wuling<\/a>\n<a href=\"https:\/\/www.sunvoltbat.com\/fr\/tag\/wuling-sunshine-ev\/\" class=\"tag-cloud-link tag-link-29 tag-link-position-45\" style=\"font-size: 8pt;\" aria-label=\"Wuling Sunshine EV (1 \u00e9l\u00e9ment)\">Wuling Sunshine EV<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>An Uninterruptible Power Supply (UPS) system is a critical component of modern power protection, providing short-term power backup to ensure the continuous operation of essential devices during power outages. The number of batteries required for a UPS system is directly related to the backup time it can offer. The battery capacity and number needed depend [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2809,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[13,2],"tags":[],"class_list":["post-2881","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-battery-knowledge","category-news"],"metadata":{"_edit_lock":["1737701279:1"],"_thumbnail_id":["2809"],"om_disable_all_campaigns":[""],"_monsterinsights_skip_tracking":[""],"_monsterinsights_sitenote_active":[""],"themepark_post_bcolor":["#f5f5f5"],"themepark_post_width":["1022px"],"themepark_post_img":[""],"themepark_post_img_po":["left"],"themepark_post_img_re":[""],"themepark_post_img_cover":[""],"themepark_post_img_fixed":[""],"themepark_post_hide_title":[""],"themepark_post_main_b":[""],"themepark_post_main_p":["100"],"themepark_paddingblock":[""],"footnotes":[""],"_edit_last":["1"],"_aioseo_title":[null],"_aioseo_description":[null],"_aioseo_keywords":["a:0:{}"],"_aioseo_og_title":[null],"_aioseo_og_description":[null],"_aioseo_og_article_section":[""],"_aioseo_og_article_tags":["a:0:{}"],"_aioseo_twitter_title":[null],"_aioseo_twitter_description":[null],"catce":["sidebar-widgets4"],"wp_statistics_words_count":["543"],"views":["8271"]},"aioseo_notices":[],"medium_url":"https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-2-3-300x300.jpg","thumbnail_url":"https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-2-3-150x150.jpg","full_url":"https:\/\/www.sunvoltbat.com\/wp-content\/uploads\/2024\/12\/\u672a\u6807\u9898-2-3.jpg","_links":{"self":[{"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/posts\/2881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/comments?post=2881"}],"version-history":[{"count":2,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/posts\/2881\/revisions"}],"predecessor-version":[{"id":2883,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/posts\/2881\/revisions\/2883"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/media\/2809"}],"wp:attachment":[{"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/media?parent=2881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/categories?post=2881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sunvoltbat.com\/fr\/wp-json\/wp\/v2\/tags?post=2881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}