{"id":9779,"date":"2026-11-04T10:23:35","date_gmt":"2026-11-04T09:23:35","guid":{"rendered":"https:\/\/bf-engineering.com\/?post_type=anwendung&#038;p=9779"},"modified":"2026-11-04T10:35:38","modified_gmt":"2026-11-04T09:35:38","slug":"flash-testing","status":"publish","type":"anwendung","link":"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/","title":{"rendered":"Flash Testing"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":7,"featured_media":9748,"menu_order":11,"template":"","meta":{"_acf_changed":false,"footnotes":""},"anwendung-kat":[83],"produkt-kat":[],"class_list":["post-9779","anwendung","type-anwendung","status-publish","has-post-thumbnail","hentry","anwendung-kat-photovoltaics","no-featured-image-padding"],"acf":{"cpt-modules":{"":null,"description":"<strong>Flash Testing for the Electrical Characterisation of Photovoltaic Modules<\/strong>\r\n\r\nThe performance of a solar cell or photovoltaic module can be investigated using its current-voltage curve. During a flash test, the specimen is measured electrically within a defined light pulse. The curve can be used to determine parameters including short-circuit current, open-circuit voltage and maximum power.\r\n\r\nFor meaningful results, illumination, specimen temperature and electrical measurement must be coordinated. The characteristics of the respective cell technology also influence which pulse profile and measurement procedure are suitable. IEC 60904-1 describes procedures for measuring the current-voltage characteristics of photovoltaic devices.\r\n\r\nBF Engineering is your point of contact for irradiation system design and coordination with the intended test environment. Requirements for the flash source, measurement equipment and automation are defined together at the start of the project.","button":null,"text":{"title":"","description":"","button":null},"gallery":"","references":"","tabs":[{"title":"Test Objectives","description":"<strong>Compare electrical properties in a traceable way<\/strong>\r\n\r\nFlash tests can be used to characterise cells and modules and to perform comparative measurements before and after a stress test. This makes it possible to investigate, for example, whether electrical power has changed after a defined ageing sequence.\r\n\r\nThe test objective determines the required measurement scope. A purely comparative measurement may use different procedures from a metrologically traceable power measurement with a stated measurement uncertainty. Specimen size, cell technology and the intended evaluation are therefore considered during planning.\r\n\r\nTypical applications:\r\n<ul>\r\n \t<li>Electrical characterisation of solar cells and PV modules<\/li>\r\n \t<li>Comparison of different module variants<\/li>\r\n \t<li>Initial and final measurements during ageing tests<\/li>\r\n \t<li>Evaluation of power changes after defined stresses<\/li>\r\n \t<li>Recurring comparative measurements in development and quality assurance<\/li>\r\n<\/ul>","button":null,"image":"","tables":null},{"title":"Light Pulse","description":"<strong>Coordinate illumination with the electrical measurement sequence<\/strong>\r\n\r\nA suitable light pulse must provide sufficiently defined conditions throughout the period required for measurement. Pulse duration, its profile over time and the usable measurement window must therefore be considered together with I-V curve acquisition.\r\n\r\nThe required pulse duration also depends on the specimen\u2019s dynamic behaviour. Capacitive effects can influence the I-V measurement if the electrical measurement sequence is not suited to the cell technology. The shortest possible exposure is therefore not automatically the best solution.\r\n\r\nKey design parameters:\r\n<ul>\r\n \t<li>Pulse duration and usable measurement window<\/li>\r\n \t<li>Irradiance profile over time<\/li>\r\n \t<li>Illumination of the entire active test area<\/li>\r\n \t<li>Synchronisation between the light pulse and electrical measurement<\/li>\r\n \t<li>Suitability for the intended cell and module technology<\/li>\r\n<\/ul>","button":null,"image":"","tables":null},{"title":"I-V Curves","description":"<strong>Record more than a single power value<\/strong>\r\n\r\nThe current-voltage curve describes the specimen\u2019s electrical behaviour under the respective measurement conditions. In addition to maximum power, it provides further characteristics that are useful for development comparisons and the evaluation of changes.\r\n\r\nTo keep results comparable, the associated conditions are recorded alongside them. These include, in particular, temperature, irradiance and specimen state. If results are converted to other reference conditions, the procedures and parameters used must be documented.\r\n\r\nTypical characteristics and documentation parameters:\r\n<ul>\r\n \t<li>Maximum power and the corresponding operating point<\/li>\r\n \t<li>Short-circuit current<\/li>\r\n \t<li>Open-circuit voltage<\/li>\r\n \t<li>Fill factor of the current-voltage curve<\/li>\r\n \t<li>Temperature, irradiation conditions and evaluation procedure used<\/li>\r\n<\/ul>","button":null,"image":"","tables":null},{"title":"Measurement Quality","description":"<strong>Evaluate illumination quality and the measurement chain together<\/strong>\r\n\r\nSpectral match, spatial non-uniformity and temporal instability of irradiance are essential when assessing a solar simulator. These characteristics are considered and classified separately in IEC 60904-9. Classification requires the corresponding measurements.\r\n\r\nThe quality of the complete flash test also depends on reference sensors, temperature measurement, electrical contacting and data evaluation. Differences between the spectral responses of the reference cell and the specimen must also be considered where necessary.\r\n\r\nImportant aspects of measurement quality:\r\n<ul>\r\n \t<li>Spectral properties of the illumination<\/li>\r\n \t<li>Spatial distribution of irradiance<\/li>\r\n \t<li>Temporal stability during I-V curve acquisition<\/li>\r\n \t<li>Calibrated reference sensors and suitable temperature measurement<\/li>\r\n \t<li>Electrical contacting and documented measurement uncertainty<\/li>\r\n<\/ul>","button":null,"image":"","tables":null},{"title":"Integration","description":"<strong>Coordinate optics, specimen handling and measurement equipment<\/strong>\r\n\r\nA flash test station combines the light source with a defined specimen mounting arrangement and synchronised electrical measurement. Positioning and electrical contacting must be designed to allow recurring tests to be performed reliably.\r\n\r\nDuring project planning, the required test area, intended throughput and existing measurement equipment are considered together. BF Engineering coordinates the irradiation requirements with the measurement and system partners involved.\r\n\r\nRelevant integration considerations:\r\n<ul>\r\n \t<li>Specimen dimensions and repeatable positioning<\/li>\r\n \t<li>Electrical contacting and connection to I-V measurement equipment<\/li>\r\n \t<li>Triggering and synchronisation of the measurement sequence<\/li>\r\n \t<li>Linking specimen identification with measurement results<\/li>\r\n \t<li>Protection concept, operation and maintenance accessibility<\/li>\r\n<\/ul>","button":null,"image":"","tables":null}]},"contact-person_selection":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Flash Testing | BF Engineering<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/flash-testing\\\/\",\"url\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/flash-testing\\\/\",\"name\":\"Flash Testing | BF Engineering\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/flash-testing\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/flash-testing\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/bf-engineering.com\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2026\\\/11\\\/Photovoltaikmodul-in-der-UV-Testkammer-2.png\",\"datePublished\":\"2026-11-04T09:23:35+00:00\",\"dateModified\":\"2026-11-04T09:35:38+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/flash-testing\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/flash-testing\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/flash-testing\\\/#primaryimage\",\"url\":\"https:\\\/\\\/bf-engineering.com\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2026\\\/11\\\/Photovoltaikmodul-in-der-UV-Testkammer-2.png\",\"contentUrl\":\"https:\\\/\\\/bf-engineering.com\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2026\\\/11\\\/Photovoltaikmodul-in-der-UV-Testkammer-2.png\",\"width\":1448,\"height\":1086,\"caption\":\"Photovoltaik Dauerbestrahlung\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/flash-testing\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Applications\",\"item\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Photovoltaics\",\"item\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/application\\\/category\\\/photovoltaics\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Flash Testing\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/\",\"name\":\"BF Engineering\",\"description\":\"Engineering the Sun\",\"publisher\":{\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/#organization\",\"name\":\"BF Engineering\",\"url\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/bf-engineering.com\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2026\\\/06\\\/logo_bf-engineering.svg\",\"contentUrl\":\"https:\\\/\\\/bf-engineering.com\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2026\\\/06\\\/logo_bf-engineering.svg\",\"caption\":\"BF Engineering\"},\"image\":{\"@id\":\"https:\\\/\\\/bf-engineering.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Flash Testing | BF Engineering","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/","url":"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/","name":"Flash Testing | BF Engineering","isPartOf":{"@id":"https:\/\/bf-engineering.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/#primaryimage"},"image":{"@id":"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/#primaryimage"},"thumbnailUrl":"https:\/\/bf-engineering.com\/wp-content\/uploads\/sites\/2\/2026\/11\/Photovoltaikmodul-in-der-UV-Testkammer-2.png","datePublished":"2026-11-04T09:23:35+00:00","dateModified":"2026-11-04T09:35:38+00:00","breadcrumb":{"@id":"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/bf-engineering.com\/en\/application\/flash-testing\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/#primaryimage","url":"https:\/\/bf-engineering.com\/wp-content\/uploads\/sites\/2\/2026\/11\/Photovoltaikmodul-in-der-UV-Testkammer-2.png","contentUrl":"https:\/\/bf-engineering.com\/wp-content\/uploads\/sites\/2\/2026\/11\/Photovoltaikmodul-in-der-UV-Testkammer-2.png","width":1448,"height":1086,"caption":"Photovoltaik Dauerbestrahlung"},{"@type":"BreadcrumbList","@id":"https:\/\/bf-engineering.com\/en\/application\/flash-testing\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/bf-engineering.com\/en\/"},{"@type":"ListItem","position":2,"name":"Applications","item":"https:\/\/bf-engineering.com\/en\/application\/"},{"@type":"ListItem","position":3,"name":"Photovoltaics","item":"https:\/\/bf-engineering.com\/en\/application\/category\/photovoltaics\/"},{"@type":"ListItem","position":4,"name":"Flash Testing"}]},{"@type":"WebSite","@id":"https:\/\/bf-engineering.com\/en\/#website","url":"https:\/\/bf-engineering.com\/en\/","name":"BF Engineering","description":"Engineering the Sun","publisher":{"@id":"https:\/\/bf-engineering.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/bf-engineering.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/bf-engineering.com\/en\/#organization","name":"BF Engineering","url":"https:\/\/bf-engineering.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/bf-engineering.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/bf-engineering.com\/wp-content\/uploads\/sites\/2\/2026\/06\/logo_bf-engineering.svg","contentUrl":"https:\/\/bf-engineering.com\/wp-content\/uploads\/sites\/2\/2026\/06\/logo_bf-engineering.svg","caption":"BF Engineering"},"image":{"@id":"https:\/\/bf-engineering.com\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/anwendung\/9779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/anwendung"}],"about":[{"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/types\/anwendung"}],"author":[{"embeddable":true,"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":3,"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/anwendung\/9779\/revisions"}],"predecessor-version":[{"id":9785,"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/anwendung\/9779\/revisions\/9785"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/media\/9748"}],"wp:attachment":[{"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/media?parent=9779"}],"wp:term":[{"taxonomy":"anwendung-kat","embeddable":true,"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/anwendung-kat?post=9779"},{"taxonomy":"produkt-kat","embeddable":true,"href":"https:\/\/bf-engineering.com\/en\/wp-json\/wp\/v2\/produkt-kat?post=9779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}