{"id":3388,"date":"2022-03-30T12:06:26","date_gmt":"2022-03-30T10:06:26","guid":{"rendered":"https:\/\/mi.addevmaterials.com\/?p=3388"},"modified":"2025-07-24T13:19:05","modified_gmt":"2025-07-24T13:19:05","slug":"ce-este-un-izolator-electric-si-in-care-forma-se-poate-gasi-2","status":"publish","type":"post","link":"https:\/\/addevmaterials.com\/converting\/ro\/ce-este-un-izolator-electric-si-in-care-forma-se-poate-gasi-2\/","title":{"rendered":"Totul despre deteriorarea propriet\u0103\u021bilor dielectrice"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3388\" class=\"elementor elementor-3388\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-10c85a86 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"10c85a86\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-55154029\" data-id=\"55154029\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3ada67e0 elementor-widget elementor-widget-heading\" data-id=\"3ada67e0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Totul despre deteriorarea propriet\u0103\u021bilor dielectrice<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ee4cf69 elementor-widget elementor-widget-shortcode\" data-id=\"5ee4cf69\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><span><span><a href=\"https:\/\/addevmaterials.com\/converting\/\">Acas\u0103<\/a><\/span><\/span>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4cb95d4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4cb95d4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-61f2ad0\" data-id=\"61f2ad0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bc6fc66 elementor-widget elementor-widget-text-editor\" data-id=\"bc6fc66\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Niciun material izolator nu are o durat\u0103 de via\u021b\u0103 nelimitat\u0103, iar propriet\u0103\u021bile dielectrice se pot degrada \u00een timp. De\u0219i factorii de deteriorare pentru ace\u0219ti izolatori pot varia, consecin\u021bele sunt \u00eentotdeauna acelea\u0219i: defectarea echipamentului care trebuie protejat. Prin urmare, este esen\u021bial s\u0103 se aleag\u0103 \u00eentotdeauna materialul adaptat la specifica\u021bii.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-15621a7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"15621a7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8edc832\" data-id=\"8edc832\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-58861f5 elementor-widget elementor-widget-heading\" data-id=\"58861f5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Care sunt factorii de deteriorare a izolatorilor electrici?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a65e3b elementor-widget elementor-widget-text-editor\" data-id=\"9a65e3b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span>Doi factori intervin \u00een principal \u00een deteriorarea propriet\u0103\u021bilor dielectrice ale izolatorilor:<\/span><\/p><ol><li><span>temperatur\u0103\u00a0<\/span><strong><span>:<\/span><\/strong><span>\u00a0Se \u0219tie c\u0103\u00a0<\/span><strong><span>temperatura este un factor agravant<\/span><span>\u00a0,<\/span><\/strong><span>\u00a0deoarece cu c\u00e2t este mai mare, cu at\u00e2t materialul devine mai maleabil, ceea ce accelereaz\u0103 degradarea sa sub efectul electricit\u0103\u021bii.<\/span><\/li><li><strong><span>\u0219i stresul electric<\/span><\/strong><span>\u00a0cauzate de desc\u0103rc\u0103ri par\u021biale legate de v\u00e2rfurile de tensiune.<\/span><\/li><\/ol><p><span>\u00centr-adev\u0103r, pe tot parcursul vie\u021bii sale, izolatorul electric este adus s\u0103 lupte \u00eempotriva curentului. Aceast\u0103 lupt\u0103 permanent\u0103 \u00eel sl\u0103be\u0219te, deoarece curentul electric erodeaz\u0103 treptat suprafa\u021ba acestui izolator. Dup\u0103 un anumit timp, apare un arc electric \u0219i, prin urmare\u00a0<\/span><strong><span>func\u021bia de izolare se \u00eentrerupe<\/span><\/strong><span>\u00a0.<\/span><\/p><p><span>\u00cen plus, cu c\u00e2t atacul curentului este mai violent \u0219i, prin urmare, cu c\u00e2t tensiunea este mai mare, cu at\u00e2t aceast\u0103 degradare este mai rapid\u0103.<\/span><\/p><p><span>\u00cen afar\u0103 de ace\u0219ti factori al c\u0103ror impact este sistematic, exist\u0103 mul\u021bi al\u021bi parametri de deteriorare care trebuie lua\u021bi \u00een considerare. Ace\u0219tia sunt lega\u021bi de mediul \u00een care evolueaz\u0103 izola\u021bia \u0219i pot fi lega\u021bi de diverse procese fizico-chimice:<\/span><\/p><ul><li><span>efectul radia\u021biilor UV;<\/span><\/li><li><span>constr\u00e2ngeri mecanice;<\/span><\/li><li><span>mediu radioactiv;<\/span><\/li><li><span>atmosfer\u0103 coroziv\u0103;<\/span><\/li><li><span>oxidare;<\/span><\/li><li><span>prezen\u021ba de solven\u021bi etc.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9bd63c8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9bd63c8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-867d75d\" data-id=\"867d75d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1962fe0 elementor-widget elementor-widget-heading\" data-id=\"1962fe0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Deteriorarea propriet\u0103\u021bilor dielectrice \u0219i consecin\u021bele sale\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae0e566 elementor-widget elementor-widget-text-editor\" data-id=\"ae0e566\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span>Concret, degradarea unui material duce la o deteriorare a propriet\u0103\u021bilor izolatoare, adic\u0103 la o reducere a rigidit\u0103\u021bii dielectrice.<\/span><\/p><p><span>Prin urmare, materialul va deveni mai pu\u021bin rezistent la efectele c\u00e2mpului electric \u0219i exist\u0103 riscul de rupere a func\u021biei dielectrice.<\/span><\/p><p><span>Consecin\u021bele unei \u00eentreruperi a func\u021biei dielectrice a materialului sunt, din p\u0103cate, adesea iremediabile. De fapt, atunci c\u00e2nd aceasta apare \u00een urma unei desc\u0103rc\u0103ri par\u021biale,\u00a0<\/span><strong><span>izola\u021bia este distrus\u0103<\/span><\/strong><span>\u00a0\u0219i echipamentul electric pe care trebuie s\u0103-l protejeze \u00eenceteaz\u0103 imediat s\u0103 mai func\u021bioneze. Pentru a ilustra, putem spune c\u0103\u00a0<\/span><strong><span>izolatorul electric se comport\u0103 ca \"siguran\u021ba func\u021biei izolatoare\".<\/span><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ea5616 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ea5616\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-28ba890\" data-id=\"28ba890\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-135f6ea elementor-widget elementor-widget-heading\" data-id=\"135f6ea\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cum se poate evita deteriorarea propriet\u0103\u021bilor dielectrice?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9e04fc elementor-widget elementor-widget-text-editor\" data-id=\"d9e04fc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Anticiparea acestei deterior\u0103ri nu este \u00eentotdeauna u\u0219oar\u0103, deoarece degradarea izola\u021biei \u00een sine nu este vizibil\u0103 \u00eenainte ca aceasta s\u0103 se rup\u0103. De aceea, este important s\u0103 se aleag\u0103 materiale de calitate, adaptate la condi\u021biile reale de utilizare. Iat\u0103 2 criterii esen\u021biale de care trebuie s\u0103 \u021bine\u021bi cont:<\/p><h3><u>1. Verifica\u021bi dac\u0103 tipul de izola\u021bie corespunde specifica\u021biilor<\/u><\/h3><p>Este esen\u021bial s\u0103\u00a0<strong>s\u0103 cunoasc\u0103 cu precizie constr\u00e2ngerile func\u021bionale ale echipamentului<\/strong>\u00a0de protejat, fie c\u0103 este vorba de o ma\u0219in\u0103 rotativ\u0103 sau de un transformator, astfel \u00eenc\u00e2t s\u0103 se aleag\u0103 materialul izolator care s\u0103 corespund\u0103 cel mai bine specifica\u021biilor.<\/p><p>Alegerea izola\u021biei este astfel ghidat\u0103 de performan\u021ba dielectric\u0103 a acesteia, dar \u0219i de\u00a0<a href=\"https:\/\/mi.addevmaterials.com\/2022\/06\/08\/what-are-the-different-types-of-electrical-insulation-2\/\" rel=\" noopener\">clasa termic\u0103<\/a>\u00a0motiv pentru care standardele europene, cum ar fi certific\u0103rile IEC \u0219i UL, joac\u0103 un rol important.<\/p><h3><u>2. Alege\u021bi materiale de calitate<\/u><\/h3><p>\u00cen ceea ce prive\u0219te durata de via\u021b\u0103 a izolatorului, se \u0219tie c\u0103\u00a0<strong>rigiditatea dielectric\u0103 variaz\u0103 \u00een func\u021bie de intervalele<\/strong>\u00a0a materialelor izolatoare alese. Astfel, deteriorarea unui material izolant de calitate slab\u0103 poate ap\u0103rea prematur din cauza unor defecte, cum ar fi cavit\u0103\u021bi prezente \u00een material.<\/p><p>Astfel, alegerea materialelor de la produc\u0103tori recunoscu\u021bi este \u00eentotdeauna recomandabil\u0103 , deoarece produc\u0103torii se angajeaz\u0103 \u00eentr-un proces de certificare care garanteaz\u0103 adesea o rezisten\u021b\u0103 mai bun\u0103 la degradarea propriet\u0103\u021bilor dielectrice.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f0077c2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f0077c2\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-df807e6\" data-id=\"df807e6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-82d1975 elementor-widget elementor-widget-heading\" data-id=\"82d1975\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Concluzie<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12592e9 elementor-widget elementor-widget-text-editor\" data-id=\"12592e9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span>\u00cen timpul vie\u021bii sale, un material izolator este supus unor tensiuni electrice \u0219i termice intense care \u00eel sl\u0103besc \u0219i \u00eei degradeaz\u0103 propriet\u0103\u021bile dielectrice. \u00cen cazul \u00een care deteriorarea unui izolator este inevitabil\u0103, aceasta poate fi limitat\u0103 prin\u00a0<\/span><span>alegerea unor materiale de calitate \u0219i adaptate la condi\u021biile reale de func\u021bionare<\/span><span>\u00a0.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-490afeac elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"490afeac\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2da26072\" data-id=\"2da26072\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f0e1922 elementor-widget elementor-widget-heading\" data-id=\"3f0e1922\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">O nevoie specific\u0103?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7940d0d3 elementor-widget elementor-widget-text-editor\" data-id=\"7940d0d3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Echipele noastre v\u0103 vor r\u0103spunde \u00een cel mai scurt timp posibil<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-55071826 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"55071826\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-117f7dff\" data-id=\"117f7dff\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Totul despre deteriorarea propriet\u0103\u021bilor dielectrice Niciun material izolator nu are o durat\u0103 de via\u021b\u0103 nelimitat\u0103, iar propriet\u0103\u021bile dielectrice se pot degrada \u00een timp. De\u0219i factorii de deteriorare pentru ace\u0219ti izolatori pot varia, consecin\u021bele sunt \u00eentotdeauna acelea\u0219i: defectarea echipamentului care trebuie protejat. Prin urmare, este esen\u021bial s\u0103 se aleag\u0103 \u00eentotdeauna materialul adaptat la specifica\u021bii. [...]<\/p>","protected":false},"author":1,"featured_media":3400,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-3388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marche"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>All about the deterioration of dielectric properties - ADDEV Materials Converting<\/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:\/\/addevmaterials.com\/converting\/ro\/ce-este-un-izolator-electric-si-in-care-forma-se-poate-gasi-2\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"All about the deterioration of dielectric properties - ADDEV Materials Converting\" \/>\n<meta property=\"og:description\" content=\"All about the deterioration of dielectric properties No insulating material has an unlimited lifespan and the dielectric properties can degrade over time.\u00a0Although the deterioration factors for these insulators may vary, the consequences are always the same: failure of the equipment to be protected.\u00a0It is therefore essential to always choose the material adapted to the specifications. 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