{"id":7378,"date":"2023-06-19T15:44:25","date_gmt":"2023-06-19T07:44:25","guid":{"rendered":"https:\/\/www.ray-tron.com\/?p=7378"},"modified":"2023-07-21T09:32:02","modified_gmt":"2023-07-21T01:32:02","slug":"alt1120","status":"publish","type":"post","link":"https:\/\/www.ray-tron.com\/en\/alt1120\/","title":{"rendered":"What are the effects of photovoltaic ribbon welding methods on photovoltaic module power?"},"content":{"rendered":"<p><a href=\"https:\/\/www.ray-tron.com\/en\/pvribbon\/\" data-internallinksmanager029f6b8e52c=\"43\" title=\"Photovoltaic welding ribbon\">Photovoltaic welding ribbon<\/a>It will be<a href=\"https:\/\/www.ray-tron.com\/en\/\" data-internallinksmanager029f6b8e52c=\"14\" title=\"Photovoltaic modules\">Photovoltaic modules<\/a>Power has a great impact, so when buying photovoltaic welding tapes, you cannot buy them casually. You need to select the products. High-quality photovoltaic welding tapes can increase the power of the overall photovoltaic module.<a href=\"https:\/\/www.ray-tron.com\/en\/\" data-internallinksmanager029f6b8e52c=\"19\" title=\"Ruichuang 2\">Raytron<\/a>The quality of the photovoltaic welding ribbons produced is trustworthy.<\/p>\n<p>In addition to the impact of photovoltaic ribbons on photovoltaic module power, different welding methods will also affect module power.<\/p>\n<p>Hot air welding: a non-contact heating method that uses the high temperature of heated air for welding; infrared lamp welding: a non-contact welding method that completes the welding work by selecting infrared rays of appropriate wavelengths to radiate heating on the soldering points; infrared welding will cause the battery to decay again and reduce the component power by about 1W compared with other welding methods (infrared welding, the reason is inaccurate focal length adjustment, the heated area is too large and too wide, resulting in cold soldering, over-soldering, and even solder cracks, or hidden cracks, causing stress on the battery cell. This is a common problem with infrared welding) Electromagnetic induction welding: a non-contact welding method that uses electromagnetic induction heating to weld the port metal; soldering iron welding: contact welding, using the heat of the soldering iron tip for welding.<\/p>\n<p>1. Status: Welding crack fragments<\/p>\n<p>Cause: Directly caused by the welder or poor battery matching<\/p>\n<p>Solution: Check maintenance, follow up debugging, lower temperature, adjust pressure needle, adjust back indentation<\/p>\n<figure id=\"attachment_7379\" aria-describedby=\"caption-attachment-7379\" style=\"width: 450px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-7379 size-full lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.ray-tron.com\/wp-content\/uploads\/2023\/06\/2023061915435058.jpg\" alt=\"\" width=\"450\" height=\"674\" \/><figcaption id=\"caption-attachment-7379\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"wp-image-7379 size-full lazyload\" src=\"https:\/\/www.ray-tron.com\/wp-content\/uploads\/2023\/06\/2023061915435058.jpg\" alt=\"\" width=\"450\" height=\"674\" srcset=\"https:\/\/www.ray-tron.com\/wp-content\/uploads\/2023\/06\/2023061915435058.jpg 450w, https:\/\/www.ray-tron.com\/wp-content\/uploads\/2023\/06\/2023061915435058-200x300.jpg 200w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/noscript> <a href=\"https:\/\/www.ray-tron.com\/en\/pvribbon\/\" data-internallinksmanager029f6b8e52c=\"94\" title=\"Photovoltaic welding ribbon supplier_Solar welding ribbon manufacturer_Photovoltaic welding ribbon wholesaler\">Photovoltaic welding ribbon manufacturer<\/a><\/figcaption><\/figure>\n<p>2. Status: No hidden cracks after welding, hidden cracks appear during lamination<\/p>\n<p>1. Welding strip bumps, abnormal elongation and lamination cracks;<\/p>\n<p>2. The battery cells are subjected to uneven force during the vacuuming process.<\/p>\n<p>Solution: Adjust the welding machine pressure needle, change different batches of welding tapes, adjust the vacuum time of the laminator<\/p>\n<p>3. Status: The grid line is white, the average value of the pulling force is unqualified - empty welding<\/p>\n<p>reason:<\/p>\n<p>1. The lamp power and soldering station temperature are too low;<\/p>\n<p>2. Short welding time;<\/p>\n<p>3. The amount of flux sprayed is small;<\/p>\n<p>4. Battery slurry: mainly glass powder floating;<\/p>\n<p>4. Status: The grid line is black, the pulling force is overall offset, and the peak value is unqualified - over-welding<\/p>\n<p>reason:<\/p>\n<p>1. The lamp power and soldering station temperature are too high;<\/p>\n<p>2. Long welding time;<\/p>\n<p>3. Battery slurry: mainly glass powder that has not penetrated into silicon and has not formed an overall adhesive;<\/p>\n<p>5. Status: Partial grid line is white - Partially empty solder<\/p>\n<p>reason:<\/p>\n<p>1. The conveyor belt is uneven;<\/p>\n<p>2. The lamp is damaged, resulting in failure to reach the set power;<\/p>\n<p>3. The flux nozzle is clogged;<\/p>\n<p>Infrared welding will cause the battery to decay again, and some cells have not yet experienced pre-light decay at the battery end. Welding will cause light decay again, reducing power and creating differences between light and dark cells. Compared with other welding methods, infrared welding will reduce component power by about 1W.<\/p>","protected":false},"excerpt":{"rendered":"<p>The photovoltaic welding tape itself will have a great impact on the power of the photovoltaic module, so when purchasing photovoltaic welding tape, you cannot buy it casually. You need to select the product carefully. High-quality [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[19],"tags":[253,227],"class_list":["post-7378","post","type-post","status-publish","format-standard","hentry","category-blog","tag-blog","tag-guangfuhandai"],"_links":{"self":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/7378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/comments?post=7378"}],"version-history":[{"count":0,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/7378\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/media?parent=7378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/categories?post=7378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/tags?post=7378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}