{"id":12612,"date":"2022-05-25T09:53:53","date_gmt":"2022-05-25T09:53:53","guid":{"rendered":"https:\/\/www.univ-usto.dz\/labo\/laar\/?p=12612"},"modified":"2022-05-25T10:03:48","modified_gmt":"2022-05-25T10:03:48","slug":"instruments-pour-les-systemes-photovoltaiques","status":"publish","type":"post","link":"https:\/\/www.univ-usto.dz\/labo\/laar\/instruments-pour-les-systemes-photovoltaiques\/","title":{"rendered":"Instruments pour les syst\u00e8mes photovolta\u00efques"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"12612\" class=\"elementor elementor-12612\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e0b1ebc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e0b1ebc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a11947f\" data-id=\"a11947f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d165ad2 elementor-widget elementor-widget-text-editor\" data-id=\"d165ad2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Toutes les actualit\u00e9s<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-208cd3a elementor-widget elementor-widget-wp-widget-bellows_navigation_widget\" data-id=\"208cd3a\" data-element_type=\"widget\" data-widget_type=\"wp-widget-bellows_navigation_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav id=\"bellows-main-128\" class=\"bellows bellows-nojs bellows-main bellows-source-menu bellows-align-full bellows-skin-vanilla bellows-type-\"><ul id=\"menu-categories\" class=\"bellows-nav\" data-bellows-config=\"main\"><li id=\"menu-item-5757\" class=\"bellows-menu-item bellows-menu-item-type-taxonomy bellows-menu-item-object-category bellows-menu-item-5757 bellows-item-level-0\"><a  href=\"https:\/\/www.univ-usto.dz\/labo\/laar\/category\/annonces\/\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">Annonces<\/span><\/a><\/li>\n<li id=\"menu-item-5762\" class=\"bellows-menu-item bellows-menu-item-type-taxonomy bellows-menu-item-object-category bellows-menu-item-5762 bellows-item-level-0\"><a  href=\"https:\/\/www.univ-usto.dz\/labo\/laar\/category\/news\/\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">News<\/span><\/a><\/li>\n<\/ul><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-21db50a\" data-id=\"21db50a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8749389 elementor-widget elementor-widget-text-editor\" data-id=\"8749389\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1 style=\"text-align: left;\">Instruments pour les syst\u00e8mes photovolta\u00efques<\/h1><p>Les dispositifs suivants sont des prototypes exp\u00e9rimentaux d\u00e9velopp\u00e9s pendant la mise au point de notre mini-centrale photovolta\u00efque, et sont consacr\u00e9s pour la mesure, le contr\u00f4le et la r\u00e9gulation n\u00e9cessaire. La\u00a0conception de la majorit\u00e9 de ces montages est bas\u00e9e sur l&#8217;emploi de microcontr\u00f4leurs 8-bit, afin de minimiser la densit\u00e9 des composants, r\u00e9duire le volume de la maquette et au bout du compte, r\u00e9duire le co\u00fbt final.<\/p><p>Voici quelques mod\u00e8les:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-73c0d70 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"73c0d70\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-7afc7b9\" data-id=\"7afc7b9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d4454c1 elementor-widget elementor-widget-image\" data-id=\"d4454c1\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im1.png\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"537\" height=\"396\" src=\"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im1.png\" class=\"attachment-large size-large wp-image-12614\" alt=\"\" srcset=\"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im1.png 537w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im1-300x221.png 300w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im1-360x265.png 360w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im1-24x18.png 24w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im1-36x27.png 36w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im1-48x35.png 48w\" sizes=\"(max-width: 537px) 100vw, 537px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-32f76a7\" data-id=\"32f76a7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6e03821 elementor-widget elementor-widget-text-editor\" data-id=\"6e03821\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5 style=\"font-weight: 400;\">KITLAAR99\u00a0:\u00a0Datalogger minimaliste pour syst\u00e8mes photovolta\u00efques (PIC16F1824)<\/h5><p style=\"font-weight: 400;\">Ce dispositif enregistreur automatique de relev\u00e9 de mesures et de contr\u00f4les de plusieurs param\u00e8tres physiques important dans la gestion et le suivi du bon fonctionnement d\u2019une mini centrale de production d\u2019\u00e9lectricit\u00e9 \u00e0 partir de panneaux photovolta\u00efques. Il est bas\u00e9 sur l\u2019utilisation d\u2019un microcontr\u00f4leur 8-bit charg\u00e9 d\u2019assurer toutes les fonctions pr\u00e9vues dans ce dispositif (mesures, contr\u00f4les et enregistrement), gr\u00e2ce \u00e0 des modules int\u00e9gr\u00e9s sp\u00e9cialis\u00e9s tels qu\u2019un convertisseur analogique num\u00e9rique 10-bit \u00e0 quatre canaux de mesures, deux timers (8-bit et 16-bit) pour g\u00e9rer une horloge-calendrier en temps r\u00e9el RTCC, un module UART pour g\u00e9rer automatiquement la liaison RS232 avec un PC, un mini clavier \u00e0 trois boutons poussoirs et enfin une alimentation \u00e0 base d\u2019un r\u00e9gulateur int\u00e9gr\u00e9 de type LDO micropower, caract\u00e9ris\u00e9e par une consommation propre tr\u00e8s infime. La fonction enregistrement est assur\u00e9e par la m\u00e9moire flash du microcontr\u00f4leur, au lieu d\u2019utiliser une m\u00e9moire EEPROM externe, ce qui nous a permis de r\u00e9aliser un prototype tr\u00e8s compacte, et consommant un courant de fonctionnement inf\u00e9rieur \u00e0 1 mA.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9213b26 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9213b26\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-622e8c3\" data-id=\"622e8c3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cd54ab6 elementor-widget elementor-widget-image\" data-id=\"cd54ab6\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im2.png\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"460\" height=\"223\" src=\"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im2.png\" class=\"attachment-large size-large wp-image-12621\" alt=\"\" srcset=\"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im2.png 460w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im2-300x145.png 300w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im2-360x175.png 360w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im2-24x12.png 24w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im2-36x17.png 36w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im2-48x23.png 48w\" sizes=\"(max-width: 460px) 100vw, 460px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-c6493c6\" data-id=\"c6493c6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0b049c2 elementor-widget elementor-widget-text-editor\" data-id=\"0b049c2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5 style=\"font-weight: 400;\">KITLAAR78 :\u00a0SunTracker 1 axe (PIC16F716)<\/h5><p><span style=\"font-weight: 400;\">Un syst\u00e8me \u00e0 panneaux solaires photovolta\u00efques\u00a0\u00a0fixes perd une grande quantit\u00e9 d\u2019\u00e9nergie, pouvant d\u00e9passer les 40% compar\u00e9 \u00e0 un syst\u00e8me motoris\u00e9. Ce dispositif de poursuite automatique du Soleil \u00e0 bas co\u00fbt n\u00e9cessite tr\u00e8s peu de composants, gr\u00e2ce \u00e0 l\u2019utilisation d\u2019un microcontr\u00f4leur 8-bit,\u00a0<\/span><span style=\"font-weight: 400;\">charg\u00e9\u00a0<\/span><span style=\"font-weight: 400;\">d\u2019assurer toutes les fonctions n\u00e9cessaires (contr\u00f4le date-heure gr\u00e2ce au module RTCC,\u00a0<em>real time clock and calendar<\/em>, g\u00e9rer par un timer int\u00e9gr\u00e9 de 16-bit, et manipulation d\u2019une table L.U.T pour extraire les angles azimuth et \u00e9l\u00e9vation de la position du Soleil pendant le jour, table \u00e9tablit pour une ann\u00e9e compl\u00e8te). Enfin, ce montage est caract\u00e9ris\u00e9 par une faible consommation ( &lt; 120\u00b5A sous 2V, 1MHz ).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-0c53935 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0c53935\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ba6a378\" data-id=\"ba6a378\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3813c8e elementor-widget elementor-widget-image\" data-id=\"3813c8e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im3.png\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"456\" height=\"198\" src=\"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im3.png\" class=\"attachment-large size-large wp-image-12628\" alt=\"\" srcset=\"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im3.png 456w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im3-300x130.png 300w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im3-360x156.png 360w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im3-24x10.png 24w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im3-36x16.png 36w, https:\/\/www.univ-usto.dz\/labo\/laar\/wp-content\/uploads\/2022\/05\/im3-48x21.png 48w\" sizes=\"(max-width: 456px) 100vw, 456px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5c9fedd\" data-id=\"5c9fedd\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6741d4d elementor-widget elementor-widget-text-editor\" data-id=\"6741d4d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5 style=\"font-weight: 400;\">KITLAAR75\u00a0:\u00a0Conception d&rsquo;un mini-r\u00e9gulateur MPPT 8-bit (PIC12F683)<\/h5><p style=\"font-weight: 400;\">Un chargeur de batterie \u00e0 bas co\u00fbt est bas\u00e9 sur une conception \u00e9lectronique basique, souvent r\u00e9duite \u00e0 un transformateur de puissance abaisseur de tension et une diode de puissance pour redresser le signal alternatif\u00a0\u00a0de sortie basse tension (le condensateur de filtrage est parfois omis). Ce type de chargeur n\u2019est pas du tout recommand\u00e9 pour la recharge et l\u2019entretien de batteries solaires qui n\u00e9cessitent une proc\u00e9dure d\u00e9termin\u00e9e pour leur garantir une dur\u00e9e de vie maximale. Cette proc\u00e9dure est compos\u00e9e de 3 phases: -1- une premi\u00e8re phase dite \u00ab\u00a0<em>bulk charge<\/em>\u00a0\u00bb consistant \u00e0 recharger aussi vite que possible la batterie jusqu\u2019\u00e0 une tension de seuil d\u00e9termin\u00e9e U1. -2- une deuxi\u00e8me phase dite \u00ab\u00a0<em>absorption phase<\/em>\u00a0\u00bb consistant \u00e0 maintenir la tension de seuil U1 constante durant un d\u00e9lai d\u00e9termin\u00e9e (une heure). -3- une troisi\u00e8me phase dite \u00ab\u00a0<em>float charge<\/em>\u00a0\u00bb consistant \u00e0 r\u00e9duire le courant de charge jusqu\u2019\u00e0 abaisser la tension de charge \u00e0 une valeur U2 dite tension d\u2019entretien.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Toutes les actualit\u00e9s Instruments pour les syst\u00e8mes photovolta\u00efques Les dispositifs suivants sont des prototypes exp\u00e9rimentaux d\u00e9velopp\u00e9s pendant la mise au point de notre mini-centrale photovolta\u00efque, et sont consacr\u00e9s pour la <a href=\"https:\/\/www.univ-usto.dz\/labo\/laar\/instruments-pour-les-systemes-photovoltaiques\/\" class=\"read-more\">Lire la suite &#8230;<\/a><\/p>\n","protected":false},"author":28,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123],"tags":[],"class_list":["post-12612","post","type-post","status-publish","format-standard","hentry","category-annonces"],"_links":{"self":[{"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/posts\/12612","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/comments?post=12612"}],"version-history":[{"count":22,"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/posts\/12612\/revisions"}],"predecessor-version":[{"id":12637,"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/posts\/12612\/revisions\/12637"}],"wp:attachment":[{"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/media?parent=12612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/categories?post=12612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.univ-usto.dz\/labo\/laar\/wp-json\/wp\/v2\/tags?post=12612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}