{"id":9184,"date":"2024-09-01T04:56:15","date_gmt":"2024-09-01T04:56:15","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=9184"},"modified":"2024-09-01T04:56:15","modified_gmt":"2024-09-01T04:56:15","slug":"blown-fuse-troubleshooting-and-prevention","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/ro\/science\/electrical-engineering\/blown-fuse-troubleshooting-and-prevention\/","title":{"rendered":"Ce se \u00eent\u00e2mpl\u0103 c\u00e2nd o siguran\u021b\u0103 sare?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Ce se \u00eent\u00e2mpl\u0103 c\u00e2nd o siguran\u021b\u0103 sare?<\/h2>\n\n<h2 class=\"wp-block-heading\">Ce este o siguran\u021b\u0103 ars\u0103?<\/h2>\n\n<p>O siguran\u021b\u0103 este un dispozitiv de siguran\u021b\u0103 care protejeaz\u0103 circuitele electrice de suprasarcin\u0103 \u0219i scurtcircuite. C\u00e2nd printr-o siguran\u021b\u0103 trece prea mult curent, banda sub\u021bire de metal din interiorul siguran\u021bei se tope\u0219te, \u00eentrerup\u00e2nd circuitul \u0219i prevenind deteriorarea sistemului electric.<\/p>\n\n<h2 class=\"wp-block-heading\">Tipuri de siguran\u021be<\/h2>\n\n<p>Exist\u0103 dou\u0103 tipuri principale de siguran\u021be:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Siguran\u021be cu filet:<\/strong> Aceste siguran\u021be sunt utilizate \u00een general \u00een casele mai vechi \u0219i sunt \u00een\u0219urubate \u00eentr-un panou de siguran\u021be.<\/li>\n<li><strong>Siguran\u021be tip cartu\u0219:<\/strong> Aceste siguran\u021be sunt utilizate \u00een casele mai noi \u0219i sunt introduse \u00eentr-un bloc de siguran\u021be.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Dimensionarea siguran\u021belor<\/h2>\n\n<p>Siguran\u021bele sunt dimensionate astfel \u00eenc\u00e2t s\u0103 corespund\u0103 cu calibrul firelor circuitului. Acest lucru \u00eempiedic\u0103 firele circuitului s\u0103 absoarb\u0103 mai mult\u0103 energie dec\u00e2t pot gestiona. M\u0103rimea corect\u0103 a siguran\u021bei pentru un anumit calibru de s\u00e2rm\u0103 al circuitului este:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Calibru 14 sau mai mare: siguran\u021b\u0103 de 15 A<\/li>\n<li>Calibru 12 sau mai mare: siguran\u021b\u0103 de 20 A<\/li>\n<li>Calibru 10 sau mai mare: siguran\u021b\u0103 de 30 A<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Cauze comune ale siguran\u021belor arse<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Suprasarcin\u0103:<\/strong> O suprasarcin\u0103 apare atunci c\u00e2nd prea multe lumini sau aparate consum\u0103 energie din acela\u0219i circuit.<\/li>\n<li><strong>Scurtcircuit:<\/strong> Un scurtcircuit apare atunci c\u00e2nd un fir sub tensiune atinge un fir neutru sau un fir de \u00eemp\u0103m\u00e2ntare, cre\u00e2nd o cale de rezisten\u021b\u0103 sc\u0103zut\u0103 pentru ca curentul s\u0103 curg\u0103.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Alte cauze ale siguran\u021belor arse<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Defec\u021biuni la mas\u0103:<\/strong> O defec\u021biune la mas\u0103 apare atunci c\u00e2nd curentul electric curge direct spre p\u0103m\u00e2nt sau o parte \u00eemp\u0103m\u00e2ntat\u0103 a sistemului.<\/li>\n<li><strong>Defec\u021biuni de arc:<\/strong> Defec\u021biunile de arc apar atunci c\u00e2nd firele \u0219i bornele nu fac un contact bun, provoc\u00e2nd un arc electric.<\/li>\n<li><strong>Probleme ale circuitului:<\/strong> O siguran\u021b\u0103 ars\u0103 sau un \u00eentrerup\u0103tor declan\u0219at pot fi cauzate \u0219i de o problem\u0103 cu circuitul \u00een sine, cum ar fi un v\u00e2rf de tensiune sau o conexiune sl\u0103bit\u0103.<\/li>\n<li><strong>Priz\u0103 sau cablaj deteriorat:<\/strong> Un cablaj defect sau o priz\u0103 deteriorat\u0103 pot crea un v\u00e2rf de putere care poate arde o siguran\u021b\u0103.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Cum s\u0103 identifici o siguran\u021b\u0103 ars\u0103<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Inspec\u021bie vizual\u0103:<\/strong> Examineaz\u0103 siguran\u021ba pentru o band\u0103 metalic\u0103 topit\u0103 sau o pat\u0103 metalic\u0103 pe interiorul tubului de sticl\u0103.<\/li>\n<li><strong>Multimetru:<\/strong> Folose\u0219te un multimetru pentru a m\u0103sura rezisten\u021ba siguran\u021bei. O citire apropiat\u0103 de 0 indic\u0103 o siguran\u021b\u0103 bun\u0103, \u00een timp ce o citire de OL (peste limit\u0103) indic\u0103 o siguran\u021b\u0103 ars\u0103.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Cum s\u0103 \u00eenlocuie\u0219ti o siguran\u021b\u0103 ars\u0103<\/h2>\n\n<ol class=\"wp-block-list\">\n<li>Opre\u0219te alimentarea la cutia de siguran\u021be.<\/li>\n<li>Scoate blocul principal de siguran\u021be din panou pentru a deconecta alimentarea.<\/li>\n<li>De\u0219urubeaz\u0103 siguran\u021ba ars\u0103 din soclu sau folose\u0219te un extractor de siguran\u021be pentru a o scoate.<\/li>\n<li>\u00cen\u0219urubeaz\u0103 sau introduce o siguran\u021b\u0103 nou\u0103 de aceea\u0219i dimensiune, amperaj \u0219i tip.<\/li>\n<li>Introdu blocul principal de siguran\u021be \u00een soclul desemnat \u0219i aplic\u0103 o presiune ferm\u0103 pentru a se potrivi \u00een siguran\u021b\u0103.<\/li>\n<li>\u00cenchide u\u0219a panoului \u0219i verific\u0103 dac\u0103 acest lucru a restabilit alimentarea \u00een zona cu probleme.<\/li>\n<\/ol>\n\n<h2 class=\"wp-block-heading\">C\u00e2nd s\u0103 apelezi la un profesionist<\/h2>\n\n<p>Dac\u0103 o siguran\u021b\u0103 sare \u00een mod repetat, este important s\u0103 apelezi la un electrician autorizat pentru a identifica problema de baz\u0103. Aceasta ar putea indica o problem\u0103 cu sistemul electric care necesit\u0103 repara\u021bii profesionale.<\/p>\n\n<h2 class=\"wp-block-heading\">Sfaturi pentru prevenirea siguran\u021belor arse<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Evit\u0103 supra\u00eenc\u0103rcarea circuitelor prin conectarea prea multor apar<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Ce se \u00eent\u00e2mpl\u0103 c\u00e2nd o siguran\u021b\u0103 sare? Ce este o siguran\u021b\u0103 ars\u0103? O siguran\u021b\u0103 este un dispozitiv de siguran\u021b\u0103 care protejeaz\u0103 circuitele electrice de suprasarcin\u0103 \u0219i scurtcircuite. C\u00e2nd printr-o siguran\u021b\u0103&hellip;<\/p>\n","protected":false},"author":1,"featured_media":24204,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10160],"tags":[13489,5686,12210,13490,13491,8840],"class_list":["post-9184","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-engineering","tag-blown-fuse","tag-troubleshooting","tag-circuit-breaker","tag-overload","tag-short-circuit","tag-electrical-safety"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/9184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/comments?post=9184"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/9184\/revisions"}],"predecessor-version":[{"id":24205,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/9184\/revisions\/24205"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media\/24204"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media?parent=9184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/categories?post=9184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/tags?post=9184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}