{"id":1893,"date":"2023-06-08T17:27:08","date_gmt":"2023-06-08T16:27:08","guid":{"rendered":"https:\/\/pv-mounts.com\/?p=1893"},"modified":"2023-06-11T13:55:21","modified_gmt":"2023-06-11T12:55:21","slug":"compararea-suportului-fotovoltaic-din-otel-si-aluminiu","status":"publish","type":"post","link":"https:\/\/pv-mounts.com\/ro\/comparison-of-photovoltaic-support-steel-and-aluminum\/","title":{"rendered":"Compara\u021bie \u00eentre structura din o\u021bel \u0219i cea din aluminiu pentru montarea panourilor solare fotovoltaice"},"content":{"rendered":"<p>C\u00e2nd vine vorba de selectarea materialului pentru structurile de sus\u021binere fotovoltaice (PV), se adopt\u0103 \u00een general o\u021bel Q235B \u0219i profil de extrudare din aliaj de aluminiu AL6005-T5. Fiecare material are avantajele \u0219i considerentele sale, iar alegerea depinde de diver\u0219i factori. S\u0103 compar\u0103m o\u021belul \u0219i aluminiul pentru structurile de sus\u021binere fotovoltaice:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1.Rezisten\u021b\u0103 \u0219i durabilitate<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O\u021bel<\/strong><br>Datorit\u0103 rezisten\u021bei \u0219i durabilit\u0103\u021bii sale ridicate, este potrivit pentru panouri fotovoltaice mari \u0219i grele. Ofer\u0103 o capacitate portant\u0103 excelent\u0103 \u0219i poate rezista la condi\u021bii meteorologice dificile, inclusiv la v\u00e2nturi puternice \u0219i \u00eenc\u0103rc\u0103turi de z\u0103pad\u0103 grele.<\/li>\n\n\n\n<li>A<strong>Aluminiu<\/strong><br>De\u0219i este u\u0219or, este totu\u0219i robust din punct de vedere structural. Are un raport rezisten\u021b\u0103-greutate bun \u0219i rezisten\u021b\u0103 la coroziune, ceea ce \u00eel face potrivit pentru multe instala\u021bii fotovoltaice.<\/li>\n<\/ul>\n\n\n\n<p><em>\u00cen ceea ce prive\u0219te rezisten\u021ba, aliajul de aluminiu AL6005-T5 este de aproximativ 68%-69% din o\u021belul Q235 B. Prin urmare, o\u021belul este \u00een general mai bun dec\u00e2t aliajul de aluminiu \u00een zonele cu v\u00e2nt puternic \u0219i cu deschideri relativ mari.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.Greutate \u0219i manevrare<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O\u021bel <\/strong><br>Este mai dens \u0219i mai greu dec\u00e2t aluminiul, ceea ce \u00eel poate face mai dificil de manevrat \u0219i transportat. Poate necesita mai mult\u0103 for\u021b\u0103 de munc\u0103 \u0219i echipament \u00een timpul instal\u0103rii, \u00een special pentru structurile mai mari.<\/li>\n\n\n\n<li><strong>Aluminiu <\/strong><br>Este u\u0219or, ceea ce \u00eel face mai u\u0219or de manevrat, transportat \u0219i instalat. Acesta poate fi avantajos pentru proiectele \u00een care reducerea greut\u0103\u021bii este o prioritate sau atunci c\u00e2nd exist\u0103 limit\u0103ri ale capacit\u0103\u021bii portante a amplasamentului.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Aspect \u0219i rezisten\u021b\u0103 la coroziune<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O\u021bel <\/strong><br>\u00cen general, este galvanizat la cald, pulverizat pe suprafa\u021b\u0103, vopsit \u0219i a\u0219a mai departe. Aspectul este mai r\u0103u dec\u00e2t cel al profilelor din aliaj de aluminiu. \u00cen timp ce o\u021belul poate fi susceptibil la coroziune, aceasta poate fi atenuat\u0103 prin tratarea adecvat\u0103 a suprafe\u021bei, cum ar fi galvanizarea sau acoperiri de protec\u021bie. Cu o protec\u021bie adecvat\u0103 \u00eempotriva coroziunii, o\u021belul poate avea, de asemenea, o durabilitate relativ ridicat\u0103 pe termen lung.<\/li>\n\n\n\n<li><strong>Aluminiu<\/strong><br>Exist\u0103 multe metode de tratare a suprafe\u021bei pentru profilele din aliaj de aluminiu, cum ar fi anodizarea, lustruirea chimic\u0103, pulverizarea cu fluorocarburi, vopsirea electroforetic\u0103 etc. Aspectul este frumos \u0219i se poate adapta la diverse medii cu coroziune puternic\u0103. aluminiul formeaz\u0103 \u00een mod natural un strat protector de oxid, oferind rezisten\u021b\u0103 inerent\u0103 la coroziune. Acesta nu necesit\u0103 un tratament suplimentar al suprafe\u021bei. Aceast\u0103 caracteristic\u0103 face din aluminiu o alegere potrivit\u0103 pentru instala\u021biile fotovoltaice din zonele de coast\u0103 sau din loca\u021biile cu umiditate ridicat\u0103.<\/li>\n<\/ul>\n\n\n\n<p><em>\u00cen prezent, principala metod\u0103 anti-coroziune a suportului este o\u021belul galvanizat la cald cu o grosime de 55-80 \u03bcm \u0219i aliajul de aluminiu cu oxidare anodic\u0103 cu o grosime de 5-10 \u03bcm.<\/em><\/p>\n\n\n\n<p><em>\u00cen condi\u021bii normale (medii C1-C4), grosimea galvanizat\u0103 de 80\u03bcm poate asigura utilizarea o\u021belului pentru mai mult de 20 de ani, dar \u00een zonele industriale cu umiditate ridicat\u0103 sau pe malurile m\u0103rii cu salinitate ridicat\u0103 sau chiar cu ap\u0103 de mare temperat\u0103, viteza de coroziune este accelerat\u0103, iar cantitatea galvanizat\u0103 trebuie s\u0103 fie de 100\u03bcm. mai mare \u0219i necesit\u0103 \u00eentre\u021binere anual\u0103 regulat\u0103. A\u0219adar, aliajele de aluminiu sunt net superioare o\u021belului \u00een ceea ce prive\u0219te rezisten\u021ba la coroziune.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Costuri<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O\u021bel <\/strong><br>Are tendin\u021ba de a avea un cost mai mic al materialelor \u00een compara\u021bie cu aluminiul. Cu toate acestea, costurile de instalare pot fi mai mari din cauza greut\u0103\u021bii sale \u0219i a necesit\u0103\u021bii unui echipament mai greu \u0219i a unei for\u021be de munc\u0103 mai mari.<\/li>\n\n\n\n<li><strong>Aluminiu<\/strong><br>\u00cen general, este mai scump dec\u00e2t o\u021belul. Cu toate acestea, natura sa u\u0219oar\u0103 poate contribui la reducerea costurilor de transport \u0219i a timpului de instalare, compens\u00e2nd astfel costul mai ridicat al materialului.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Sustenabilitate<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O\u021bel<\/strong><br>Este reciclabil, ceea ce \u00eel face o op\u021biune ecologic\u0103. Acesta poate fi reciclat cu u\u0219urin\u021b\u0103 la sf\u00e2r\u0219itul duratei sale de via\u021b\u0103 \u0219i utilizat pentru alte aplica\u021bii.<\/li>\n\n\n\n<li><strong>Aluminiu <\/strong><br>De asemenea, este reciclabil, iar procesul de reciclare necesit\u0103 mult mai pu\u021bin\u0103 energie \u00een compara\u021bie cu producerea aluminiului virgin. Acest lucru face din aluminiu o alegere durabil\u0103.<\/li>\n<\/ul>\n\n\n\n<p><em>Dar costul de \u00eentre\u021binere al structurii din o\u021bel cre\u0219te cu 3% pe an, \u00een timp ce suportul structurii din aluminiu nu necesit\u0103 aproape nicio \u00eentre\u021binere \u0219i \u00eentre\u021binere, iar rata de recuperare a aluminiului este \u00eenc\u0103 65% dup\u0103 30 de ani, iar pre\u021bul aluminiului este de a\u0219teptat s\u0103 creasc\u0103 cu 3% pe an.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Diversitatea sec\u021biunilor<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O\u021bel<\/strong><br>\u00cen general, este laminat, turnat, \u00eendoit, \u0219tan\u021bat \u0219i a\u0219a mai departe. Laminarea este \u00een prezent principala metod\u0103 de produc\u021bie a o\u021belului deformat la rece. Sec\u021biunea trebuie s\u0103 fie ajustat\u0103 de setul de ro\u021bi de laminare, dar dup\u0103 ce ma\u0219ina general\u0103 este finalizat\u0103, aceasta poate produce doar produse similare, iar dimensiunea poate fi ajustat\u0103, dar forma sec\u021biunii nu poate fi schimbat\u0103, cum ar fi o\u021belul \u00een form\u0103 de C, o\u021belul \u00een form\u0103 de Z \u0219i alte sec\u021biuni. Metoda de produc\u021bie prin laminare este relativ fix\u0103, iar viteza de produc\u021bie este relativ rapid\u0103.<\/li>\n\n\n\n<li><strong>Aluminiu<\/strong><br>Metodele generale de prelucrare a profilelor din aliaj de aluminiu includ extrudarea, turnarea, \u00eendoirea, \u0219tan\u021barea \u0219i alte metode. Produc\u021bia prin extrudare este principala metod\u0103 de produc\u021bie actual\u0103. Prin deschiderea matri\u021bei de extrudare, este posibil s\u0103 se produc\u0103 orice profil de sec\u021biune transversal\u0103, iar viteza de produc\u021bie este relativ rapid\u0103.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u00cen acest caz, Iat\u0103 o compara\u021bie complet\u0103 a performan\u021belor<\/strong><\/p>\n\n\n\n<p>1) O\u021belul are o rezisten\u021b\u0103 ridicat\u0103 \u0219i o deformare mic\u0103 de deformare sub sarcin\u0103. Este utilizat \u00een general \u00een centralele electrice obi\u0219nuite sau pentru componente cu for\u021be relativ mari.<\/p>\n\n\n\n<p>2) Profilele din aliaj de aluminiu sunt u\u0219oare \u00een greutate, frumoase \u00een aspect \u0219i excelente \u00een rezisten\u021ba la coroziune. Acestea sunt utilizate, \u00een general, \u00een centralele electrice de acoperi\u0219 de uz casnic \u0219i \u00een medii cu coroziune puternic\u0103 care necesit\u0103 suport de sarcin\u0103.<br><br>\u00cen cele din urm\u0103, alegerea o\u021belului sau a aluminiului pentru structurile de sus\u021binere fotovoltaice depinde de factori specifici proiectului, cum ar fi dimensiunea instala\u021biei, cerin\u021bele de \u00eenc\u0103rcare, bugetul, condi\u021biile de pe amplasament (de exemplu, \u00eenc\u0103rc\u0103ri de v\u00e2nt \u0219i z\u0103pad\u0103, medii corozive) \u0219i obiectivele de durabilitate. V\u0103 invit\u0103m s\u0103 v\u0103 consulta\u021bi cu inginerul nostru de structuri pentru a evalua ace\u0219ti factori \u0219i pentru a determina cel mai potrivit material pentru proiectul dumneavoastr\u0103 specific.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>When it comes to selecting the material for photovoltaic (PV) support structures, it generally adopts Q235B steel and aluminum alloy extrusion profile AL6005-T5. Each material has its advantages and considerations, and the choice depends on various factors. Let\u2019s compare steel and aluminum for PV support structures: 1.Strength and Durability In terms of strength, AL6005-T5 aluminum [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1894,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1893","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comparison of steel and aluminum structure for solar pv mounting - PV MOUNTS<\/title>\n<meta name=\"description\" content=\"Aluminum used in roof power stations and strong corrosion environments that require load-bearing.steel used in ordinary power stations or for components with relatively large forces.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pv-mounts.com\/ro\/compararea-suportului-fotovoltaic-din-otel-si-aluminiu\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comparison of steel and aluminum structure for solar pv mounting - 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