{"id":1610,"date":"2024-12-30T22:33:12","date_gmt":"2024-12-30T14:33:12","guid":{"rendered":"https:\/\/led.amasly.com\/?p=1610"},"modified":"2024-12-30T22:34:14","modified_gmt":"2024-12-30T14:34:14","slug":"the-impact-of-low-temperature-on-intrinsically-safe-i-type-explosion-proof-lamps","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/ro\/light\/the-impact-of-low-temperature-on-intrinsically-safe-i-type-explosion-proof-lamps\/","title":{"rendered":"Impactul temperaturii sc\u0103zute asupra l\u0103mpilor antideflagrante de tip \u201ci\u201d cu siguran\u021b\u0103 intrinsec\u0103"},"content":{"rendered":"<p class=\"has-medium-font-size wp-block-paragraph\">Temperaturile ambientale sub -20 \u2103 pot afecta tipul de protec\u021bie \u00eempotriva exploziilor al echipamentului \u0219i trebuie luate \u00een considerare \u00een timpul evalu\u0103rii \u0219i test\u0103rii echipamentului. <\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-55316f07 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><a class=\"\" href=\"https:\/\/led.amasly.com\/ro\/\" target=\"\" rel=\"noopener\"><img decoding=\"async\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights.jpg ,https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights.jpg 780w, https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights.jpg\" alt=\"\" class=\"uag-image-1600\" width=\"1008\" height=\"341\" title=\"Lumini rezistente la explozie\" loading=\"lazy\" role=\"img\"><\/a><\/figure><\/div>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Pentru echipamentele cu siguran\u021b\u0103 intrinsec\u0103, la temperaturi sc\u0103zute, caracteristicile de performan\u021b\u0103 ale componentelor utilizate \u00een echipamentele cu siguran\u021b\u0103 intrinsec\u0103, cum ar fi barierele de siguran\u021b\u0103 \u0219i sursele de alimentare cu sc\u00e2nteie limitat\u0103 cu componente dinamice cu siguran\u021b\u0103 intrinsec\u0103 se vor modifica. La selectarea componentelor, aceste modific\u0103ri ar trebui luate \u00een considerare, iar evaluarea ar trebui efectuat\u0103 \u00een conformitate cu cerin\u021bele din \u201cEchipamentul protejat cu siguran\u021b\u0103 intrinsec\u0103 \u2018i\u2019\u201d corespunz\u0103tor, utiliz\u00e2nd temperatura de func\u021bionare specificat\u0103 de produc\u0103tor. Aceast\u0103 valoare nominal\u0103 ar trebui s\u0103 ia \u00een considerare modific\u0103rile \u00een func\u021bionarea componentelor semiconductoare care afecteaz\u0103 performan\u021ba de siguran\u021b\u0103 intrinsec\u0103 pentru a furniza func\u021bia de siguran\u021b\u0103 intrinsec\u0103 necesar\u0103. <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Performan\u021bele de siguran\u021b\u0103 intrinsec\u0103 ale sursei de alimentare cu componente dinamice de siguran\u021b\u0103 intrinsec\u0103 utilizate \u00een astfel de sisteme depind de temperatura ambiental\u0103 a locului de aplicare. La temperaturi sc\u0103zute, sensibilitatea componentelor semiconductoare dinamice ale sursei de alimentare cu siguran\u021b\u0103 intrinsec\u0103 scade, iar timpul de comutare cre\u0219te. Reglement\u0103rile corespunz\u0103toare stipuleaz\u0103 c\u0103 testul de aprindere prin sc\u00e2nteie trebuie efectuat \u00een circuitul care este cel mai predispus la aprindere. Cu toate acestea, \u00een practic\u0103, testele sunt de obicei efectuate la temperaturi de laborator. <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Prin urmare, pentru sistemele cu surse de alimentare cu protec\u021bie intrinsec\u0103 de natur\u0103 dinamic\u0103 \u00een zone care implic\u0103 temperaturi sc\u0103zute, performan\u021ba de siguran\u021b\u0103 intrinsec\u0103 trebuie testat\u0103 la temperaturile din domeniul de aplicare, inclusiv la cea mai sc\u0103zut\u0103 temperatur\u0103 a componentelor semiconductoare dinamice, \u0219i \u00een condi\u021biile \u00een care dispozitivul de testare a sc\u00e2nteilor este conectat la o sarcin\u0103 adecvat\u0103 la cea mai ridicat\u0103 temperatur\u0103 de func\u021bionare. Componentele semiconductoare care asigur\u0103 protec\u021bie intrinsec\u0103 la o temperatur\u0103 ambiental\u0103 sub -40 \u2103 pot necesita sisteme speciale de \u00eenc\u0103lzire. Pentru echipamentele utilizate \u00een climatele marine reci, de\u0219i echipamentele respect\u0103 distan\u021ba de curgere corespunz\u0103toare \u0219i indicele de urm\u0103rire comparativ (CTI) al materialelor izolante, poate fi necesar un nivel de protec\u021bie mai mare dec\u00e2t IP54 pentru a se asigura c\u0103 depunerile de cloruri de pe suprafa\u021ba pl\u0103cilor cu circuite imprimate nu provoac\u0103 urm\u0103rirea.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ambient temperatures below -20 \u2103 may affect the explosion-proof type of the equipment, and should be taken into account during equipment evaluation and testing. For intrinsically safe equipment, at low temperatures, the performance characteristics of components used in intrinsically safe equipment, such as safety barriers, and the spark-limited power supplies with dynamic intrinsically safe components [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1600,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","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":[7],"tags":[],"class_list":["post-1610","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-light"],"uagb_featured_image_src":{"full":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights.jpg",1008,341,false],"thumbnail":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights-150x150.jpg",150,150,true],"medium":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights-300x101.jpg",300,101,true],"medium_large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights-768x260.jpg",768,260,true],"large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights.jpg",1008,341,false],"1536x1536":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights.jpg",1008,341,false],"2048x2048":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights.jpg",1008,341,false],"trp-custom-language-flag":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/Explosion-proof-lights.jpg",18,6,false]},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/ro\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"Ambient temperatures below -20 \u2103 may affect the explosion-proof type of the equipment, and should be taken into account during equipment evaluation and testing. For intrinsically safe equipment, at low temperatures, the performance characteristics of components used in intrinsically safe equipment, such as safety barriers, and the spark-limited power supplies with dynamic intrinsically safe components&hellip;","_links":{"self":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/1610","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/comments?post=1610"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/1610\/revisions"}],"predecessor-version":[{"id":1611,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/1610\/revisions\/1611"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/media\/1600"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/media?parent=1610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/categories?post=1610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/tags?post=1610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}