{"id":3995,"date":"2023-04-11T10:10:06","date_gmt":"2023-04-11T10:10:06","guid":{"rendered":"https:\/\/csiag.eu\/?p=3995"},"modified":"2023-04-11T12:04:51","modified_gmt":"2023-04-11T12:04:51","slug":"lux-in-pv-donos","status":"publish","type":"post","link":"https:\/\/csiag.eu\/sl\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/","title":{"rendered":"Lux in izkoristek PV"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Vsebina<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/csiag.eu\/sl\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/#Lux-Messung\" >Merjenje luksov<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/csiag.eu\/sl\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/#Variablen\" >Spremenljivke<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/csiag.eu\/sl\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/#Programm\" >Program<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/csiag.eu\/sl\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/#Skript\" >Scenarij<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/csiag.eu\/sl\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/#Visualisierung\" >Vizualizacija<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas branja<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span>\n<p class=\"wp-block-paragraph\">1 luks predstavlja 1 lumen na meter<sup>2<\/sup>. Pri izra\u010dunu mo\u010di na\u010drtovanih fotovoltai\u010dnih sistemov je treba upo\u0161tevati vrednosti merilnih naprav za son\u010dno energijo v vatih na m<sup>2<\/sup> je prikazan. Ta vrednost, pomno\u017eena z na\u010drtovanimi kvadratnimi metri, daje pri\u010dakovani energijski izkoristek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tako imenovani. <em>Son\u010dna konstanta<\/em>  ozna\u010duje mo\u010d son\u010dnega sevanja 1,361 W\/m<sup>2<\/sup> v vesolju. Za izra\u010dun efektivnih vatov na m<sup>2<\/sup>Pri sevanju, ki dejansko pade na fotonapetostne module, je treba upo\u0161tevati razli\u010dne dejavnike slabljenja (ozra\u010dje, megla, pra\u0161na onesna\u017eenost itd.), ki se prav tako nenehno spreminjajo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bolj ko je vpad svetlobe strm in bli\u017eje ekvatorju, ve\u010dji je donos. \u017de zaradi razmeroma majhne razlike v geografski \u0161irini med Nem\u010dijo in Avstrijo je pridelek ve\u010dji za pribli\u017eno 12 %.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u010ce \u017eelite iz izmerjenih vrednosti luksov dobiti grobo oceno dejansko uporabne mo\u010di sevanja, lahko predvidevate pribli\u017eno luksov \/ 900.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lux-Messung\"><\/span>Merjenje luksov<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Za Homematic in RaspberryMatic obstaja <a href=\"https:\/\/de.elv.com\/elv-homematic-ip-komplettbausatz-lichtsensor-aussen-hmip-slo-fuer-smart-home-hausautomation-151598?utm_source=affiliate&amp;utm_medium=feed&amp;utm_campaign=affiliate_idealo&amp;awc=11447_1681206327_0134b83283bc30fc0cf5858471824d9d\" target=\"_blank\" rel=\"noreferrer noopener\">Senzor svetlobe<\/a>ki pokriva merilno obmo\u010dje od 0,01 lx do 83680 lx.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Variablen\"><\/span>Spremenljivke<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Naslednje spremenljivke tipa <code>\u0160tevilka<\/code> je treba ustvariti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>LS_<\/code>avg<\/li>\n\n\n\n<li><code>Wm_2<\/code><\/li>\n\n\n\n<li><code>Wm_2_g<\/code><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Programm\"><\/span>Program<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Program bo <code>Posodobitev<\/code> poslane izmerjene vrednosti se spro\u017ei, vsebovana skripta pa se izvede.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"287\" src=\"https:\/\/csiag.eu\/wp-content\/uploads\/2023\/04\/image-4-1024x287.png\" alt=\"\" class=\"wp-image-4017\" srcset=\"https:\/\/csiag.eu\/wp-content\/uploads\/2023\/04\/image-4-1024x287.png 1024w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/04\/image-4-1536x430.png 1536w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/04\/image-4-2048x574.png 2048w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/04\/image-4-300x84.png 300w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/04\/image-4-768x215.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Skript\"><\/span>Scenarij<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vrednost luksa je dolo\u010dena s kanalom <code>1:AVARAGE_ILLUMINATION<\/code> svetlobnega senzorja in shranjen v spremenljivki <code>LS_<\/code>povpre\u010dno privar\u010devanih sredstev.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pretvorba v pribli\u017ene vrednosti W\/m<sup>2<\/sup> se izra\u010duna z deljenjem<code> LS_<\/code>avg skozi <code>1300<\/code> in je shranjen v spremenljivki <code>Wm_2<\/code> shranjeno.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pribli\u017eni skupni donos, ki ustreza povr\u0161ini name\u0161\u010denega modula, se izra\u010duna tako, da se kvadratni meter proizvodnje pomno\u017ei z vsoto povr\u0161in modulov (tukaj <code>7,68<\/code> m<sup>2<\/sup>), ki je shranjena v spremenljivki <code>Wm_2_g<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>var avgLS = dom.GetObject(\"HmIP-RF.000D5F29ADD1DB:1.AVERAGE_ILLUMINATION\").Value();<br>dom.GetObject('LS_avg').State(avgLS);<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>var Wm_2 = avgLS \/ 1300;<br>dom.GetObject('Wm2').State(Wm_2);<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>! 7,68 kvadratnih metrov skupne povr\u0161ine modula<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>var Wm_2_g = Wm_2 * 7,68;<br>dom.GetObject('Wm2_g').State(Wm_2_g);<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Visualisierung\"><\/span>Vizualizacija<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vizualizacija prek programa AIO Creator je na primer videti takole:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/csiag.eu\/wp-content\/uploads\/2023\/04\/image-5.png\" alt=\"\" class=\"wp-image-4022\" width=\"214\" height=\"183\" srcset=\"https:\/\/csiag.eu\/wp-content\/uploads\/2023\/04\/image-5.png 392w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/04\/image-5-300x257.png 300w\" sizes=\"(max-width: 214px) 100vw, 214px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Obmo\u010dje vrednosti za prikaz je <code>0<\/code> in . <code>83680<\/code>najve\u010djo mo\u017eno izmerjeno vrednost svetlobnega senzorja.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prika\u017eejo se trenutno izmerjena vrednost luksa, povpre\u010dna mo\u010d na kvadratni meter in pribli\u017ena skupna mo\u010d, ki izhaja iz celotne name\u0161\u010dene povr\u0161ine.<\/p>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas branja<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span>1 Lux repr\u00e4sentiert 1 Lumen je m2. Im Zusammenhang mit der Leistungsberechnung von geplanten PV-Anlagen werden Werte von Solarenergie-Messger\u00e4ten in Watt je m2 wiedergegeben. Dieser Wert, multipliziert mit den geplanten Quadratmetern ergibt den zu erwartenden Energie-Ertrag. Die sog. Solarkonstante bezeichnet die Strahlungsleistung der Sonne mit 1.361 W\/m2 im Weltraum. F\u00fcr die Berechnung der effektiven Watt&hellip;&nbsp;<a href=\"https:\/\/csiag.eu\/sl\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/\" rel=\"bookmark\">Preberi ve\u010d \"<span class=\"screen-reader-text\">Lux in izkoristek PV<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1353,347,1260],"tags":[1385,1357,377,1386,1377,1382,1374,1379,1384,1380,372,638,1375,902,371,1383,1381,891,683,894,1378],"class_list":["post-3995","post","type-post","status-publish","format-standard","hentry","category-pv-anlage","category-smarthome-im-wohnmobil","category-stromerzeugung","tag-energie-ertrag","tag-ertrag","tag-homematic","tag-leistungsberechnung","tag-lichtsensor","tag-lumen","tag-lux","tag-lux-messung","tag-messgeraet","tag-modulflaeche","tag-programm","tag-pv-anlage","tag-pv-ertrag","tag-raspberrymatic","tag-skript","tag-solarenergie","tag-solarkonstante","tag-sonne","tag-strahlungsleistung","tag-umrechnung","tag-watt"],"modified_by":"Achim Goerner","_links":{"self":[{"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/posts\/3995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/comments?post=3995"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/posts\/3995\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/media?parent=3995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/categories?post=3995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/tags?post=3995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}