{"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-a-vynos-pv","status":"publish","type":"post","link":"https:\/\/csiag.eu\/sk\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/","title":{"rendered":"Lux a v\u00fd\u0165a\u017eok z fotovoltaiky"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\">Obsah<\/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\/sk\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/#Lux-Messung\" >Meranie luxov<\/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\/sk\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/#Variablen\" >Premenn\u00e9<\/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\/sk\/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\/sk\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/#Skript\" >Skript<\/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\/sk\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/#Visualisierung\" >Vizualiz\u00e1cia<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010d\u00edtania<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">z\u00e1pisnice<\/span><\/span>\n<p class=\"wp-block-paragraph\">1 lux predstavuje 1 lumen na meter<sup>2<\/sup>. V s\u00favislosti s v\u00fdpo\u010dtom v\u00fdkonu pl\u00e1novan\u00fdch fotovoltaick\u00fdch syst\u00e9mov sa hodnoty zo zariaden\u00ed na meranie slne\u010dnej energie vo wattoch na m<sup>2<\/sup> je zobrazen\u00fd. T\u00e1to hodnota vyn\u00e1soben\u00e1 pl\u00e1novan\u00fdmi \u0161tvorcov\u00fdmi metrami ud\u00e1va o\u010dak\u00e1van\u00fd energetick\u00fd v\u00fdnos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V r\u00e1mci tzv. <em>Sol\u00e1rna kon\u0161tanta<\/em>  ozna\u010duje \u017eiariv\u00fd v\u00fdkon Slnka 1,361 W\/m<sup>2<\/sup> vo vesm\u00edre. Na v\u00fdpo\u010det efekt\u00edvneho wattu na m<sup>2<\/sup>\u017diarenie, ktor\u00e9 skuto\u010dne dopad\u00e1 na fotovoltick\u00e9 moduly, mus\u00ed zoh\u013ead\u0148ova\u0165 r\u00f4zne faktory \u00fatlmu (atmosf\u00e9ra, opar, zne\u010distenie prachom at\u010f.), ktor\u00e9 sa tie\u017e neust\u00e1le menia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u010c\u00edm je dopad svetla strm\u0161\u00ed a \u010d\u00edm je bli\u017e\u0161ie k rovn\u00edku, t\u00fdm je v\u00fdnos vy\u0161\u0161\u00ed. Len relat\u00edvne mal\u00fd rozdiel v zemepisnej \u0161\u00edrke medzi Nemeckom a Rak\u00faskom vedie k v\u00fdnosu, ktor\u00fd je pribli\u017ene o 12 % vy\u0161\u0161\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak chcete z nameran\u00fdch hodn\u00f4t luxov odvodi\u0165 hrub\u00fd odhad efekt\u00edvne vyu\u017eite\u013en\u00e9ho s\u00e1lav\u00e9ho v\u00fdkonu, m\u00f4\u017eete predpoklada\u0165 pribli\u017ene luxov \/ 900.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lux-Messung\"><\/span>Meranie luxov<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pre Homematic a RaspberryMatic existuje <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\">Sn\u00edma\u010d svetla<\/a>ktor\u00fd pokr\u00fdva rozsah merania 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>Premenn\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nasleduj\u00face premenn\u00e9 typu <code>\u010c\u00edslo<\/code> sa maj\u00fa vytvori\u0165:<\/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 bude <code>Aktualiz\u00e1cia<\/code> odoslanej nameranej hodnoty sa spust\u00ed a vykon\u00e1 sa obsiahnut\u00fd skript.<\/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>Skript<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hodnota luxu je ur\u010den\u00e1 kan\u00e1lom <code>1:AVARAGE_ILLUMINATION<\/code> sveteln\u00e9ho sn\u00edma\u010da a ulo\u017een\u00e9 v premennej <code>LS_<\/code>priemern\u00e1 \u00faspora.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prepo\u010det na pribli\u017en\u00fd W\/m<sup>2<\/sup> sa vypo\u010d\u00edta vydelen\u00edm<code> LS_<\/code>avg cez <code>1300<\/code> a je ulo\u017een\u00e1 v premennej <code>Wm_2<\/code> ulo\u017een\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pribli\u017en\u00fd celkov\u00fd v\u00fd\u0165a\u017eok zodpovedaj\u00faci in\u0161talovanej ploche modulu sa vypo\u010d\u00edta vyn\u00e1soben\u00edm \u0161tvorcov\u00e9ho metra v\u00fdkonu s\u00fa\u010dtom pl\u00f4ch modulov (tu <code>7,68<\/code> m<sup>2<\/sup>), ulo\u017een\u00e9 v premennej <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 metrov \u0161tvorcov\u00fdch celkovej plochy modulu<\/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>Vizualiz\u00e1cia<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vizualiz\u00e1cia cez AIO Creator potom vyzer\u00e1 napr\u00edklad takto:<\/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\">Rozsah hodn\u00f4t na displeji je <code>0<\/code> a <code>83680<\/code>maxim\u00e1lna mo\u017en\u00e1 nameran\u00e1 hodnota sveteln\u00e9ho sn\u00edma\u010da.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zobraz\u00ed sa aktu\u00e1lne nameran\u00e1 hodnota luxov, priemern\u00fd v\u00fdkon na meter \u0161tvorcov\u00fd a pribli\u017en\u00fd celkov\u00fd v\u00fdkon vypl\u00fdvaj\u00faci z celkovej in\u0161talovanej plochy.<\/p>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010d\u00edtania<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">z\u00e1pisnice<\/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\/sk\/blog\/2023\/04\/11\/lux-und-pv-ertrag\/\" rel=\"bookmark\">\u010c\u00edta\u0165 viac \"<span class=\"screen-reader-text\">Lux a v\u00fd\u0165a\u017eok z fotovoltaiky<\/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\/sk\/wp-json\/wp\/v2\/posts\/3995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/comments?post=3995"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/posts\/3995\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/media?parent=3995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/categories?post=3995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/tags?post=3995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}