{"id":27737,"date":"2025-07-21T14:09:23","date_gmt":"2025-07-21T06:09:23","guid":{"rendered":"https:\/\/cnspd.com\/?p=27737"},"modified":"2026-04-10T13:35:32","modified_gmt":"2026-04-10T05:35:32","slug":"what-is-a-surge","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/pt\/o-que-e-um-surto\/","title":{"rendered":"O que \u00e9 um Surto?"},"content":{"rendered":"<p data-start=\"46\" data-end=\"276\">As sobretens\u00f5es n\u00e3o controladas podem destruir equipamento cr\u00edtico, levando a paragens dispendiosas. A LEEYEE, um fabricante l\u00edder de prote\u00e7\u00e3o contra sobretens\u00f5es, oferece SPDs de elevado desempenho com par\u00e2metros Imax e Up l\u00edderes na ind\u00fastria para ind\u00fastrias globais.<\/p>\n<p data-start=\"46\" data-end=\"276\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-26994\" src=\"https:\/\/cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg\" alt=\"O que \u00e9 um Surto?\" width=\"600\" height=\"408\" srcset=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg 600w, https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3-150x102.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p data-start=\"278\" data-end=\"649\"><strong data-start=\"283\" data-end=\"649\">Um pico de tens\u00e3o \u00e9 um evento de sobretens\u00e3o transit\u00f3rio em que a tens\u00e3o el\u00e9ctrica atinge subitamente picos acima dos n\u00edveis normais, representando uma s\u00e9ria amea\u00e7a para os sistemas el\u00e9ctricos. Os Dispositivos de Prote\u00e7\u00e3o contra Surtos (DPS) atenuam eficazmente estes picos de tens\u00e3o nocivos, evitando danos no equipamento, perda de dados e interrup\u00e7\u00f5es operacionais em ambientes residenciais, comerciais e industriais.<\/strong><\/p>\n<p data-start=\"651\" data-end=\"786\">Compreender os tipos, causas e solu\u00e7\u00f5es profissionais para picos de tens\u00e3o el\u00e9ctrica - descobrir a chave para uma seguran\u00e7a el\u00e9ctrica ininterrupta.<\/p>\n<hr data-start=\"788\" data-end=\"791\" \/>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/o-que-e-um-surto\/#what-is-a-surge\" >O que \u00e9 um Surto?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/o-que-e-um-surto\/#why-are-surges-dangerous\" >Porque \u00e9 que as sobretens\u00f5es s\u00e3o perigosas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/o-que-e-um-surto\/#leeyee-surge-protection-solutions\" >Solu\u00e7\u00f5es de prote\u00e7\u00e3o contra sobretens\u00f5es LEEYEE<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/o-que-e-um-surto\/#technical-parameters-explained\" >Explica\u00e7\u00e3o dos par\u00e2metros t\u00e9cnicos<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/o-que-e-um-surto\/#application-areas\" >\u00c1reas de aplica\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/o-que-e-um-surto\/#frequently-asked-questions-faqs-about-what-is-a-surge\" >Perguntas frequentes (FAQs) sobre o que \u00e9 um pico de tens\u00e3o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/o-que-e-um-surto\/#disclaimer\" >Declara\u00e7\u00e3o de exonera\u00e7\u00e3o de responsabilidade<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"793\" data-end=\"813\"><span class=\"ez-toc-section\" id=\"what-is-a-surge\"><\/span>O que \u00e9 um Surto?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"815\" data-end=\"1138\">A <strong data-start=\"817\" data-end=\"826\">surto<\/strong> refere-se a um aumento tempor\u00e1rio e acentuado da tens\u00e3o acima do valor nominal de um sistema el\u00e9trico, normalmente com a dura\u00e7\u00e3o de microssegundos a milissegundos. Em sistemas de energia concebidos para <strong data-start=\"1006\" data-end=\"1022\">220V ou 110V<\/strong>, as sobretens\u00f5es podem subir momentaneamente acima de <strong data-start=\"1066\" data-end=\"1097\">1000V ou mesmo at\u00e9 10.000V<\/strong>dependendo da causa e do ambiente.<\/p>\n<p data-start=\"1140\" data-end=\"1208\">De acordo com <strong data-start=\"1153\" data-end=\"1179\">Normas IEC 61643-11<\/strong>Os surtos s\u00e3o classificados em:<\/p>\n<ul data-start=\"1209\" data-end=\"1491\">\n<li data-start=\"1209\" data-end=\"1284\">\n<p data-start=\"1211\" data-end=\"1284\"><strong data-start=\"1211\" data-end=\"1234\">Categoria I (Tipo 3)<\/strong>: Pequenas sobretens\u00f5es localizadas de equipamentos dom\u00e9sticos.<\/p>\n<\/li>\n<li data-start=\"1285\" data-end=\"1385\">\n<p data-start=\"1287\" data-end=\"1385\"><strong data-start=\"1287\" data-end=\"1311\">Categoria II (Tipo 2)<\/strong>: Sobretens\u00f5es resultantes de opera\u00e7\u00f5es de comuta\u00e7\u00e3o ou de efeitos secund\u00e1rios induzidos por raios.<\/p>\n<\/li>\n<li data-start=\"1386\" data-end=\"1491\">\n<p data-start=\"1388\" data-end=\"1491\"><strong data-start=\"1388\" data-end=\"1413\">Categoria III (Tipo 1)<\/strong>: Sobretens\u00f5es de alta energia, como descargas atmosf\u00e9ricas diretas ou perturba\u00e7\u00f5es na linha el\u00e9ctrica.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1493\" data-end=\"1550\">O IEEE C62.41.1 descreve ainda as sobretens\u00f5es com base na forma de onda:<\/p>\n<ul data-start=\"1551\" data-end=\"1627\">\n<li data-start=\"1551\" data-end=\"1584\">\n<p data-start=\"1553\" data-end=\"1584\"><strong data-start=\"1553\" data-end=\"1571\">Surtos de impulso<\/strong> (1,2\/50 \u00b5s),<\/p>\n<\/li>\n<li data-start=\"1585\" data-end=\"1627\">\n<p data-start=\"1587\" data-end=\"1627\"><strong data-start=\"1587\" data-end=\"1607\">Ondas em anel<\/strong> (tempo de subida de 0,5 \u00b5s).<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1629\" data-end=\"1823\">O <strong data-start=\"1633\" data-end=\"1668\">Instituto de Prote\u00e7\u00e3o contra Surtos NEMA<\/strong> identifica que quase <strong data-start=\"1692\" data-end=\"1709\">80% de sobretens\u00f5es<\/strong> s\u00e3o originados internamente pela comuta\u00e7\u00e3o de cargas, enquanto os restantes t\u00eam origem em perturba\u00e7\u00f5es externas da rede ou em descargas atmosf\u00e9ricas.<\/p>\n<hr data-start=\"1825\" data-end=\"1828\" \/>\n<h2 data-start=\"1830\" data-end=\"1859\"><span class=\"ez-toc-section\" id=\"why-are-surges-dangerous\"><\/span>Porque \u00e9 que as sobretens\u00f5es s\u00e3o perigosas?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1861\" data-end=\"1888\">As sobretens\u00f5es n\u00e3o controladas podem causar:<\/p>\n<ul data-start=\"1889\" data-end=\"2309\">\n<li data-start=\"1889\" data-end=\"1943\">\n<p data-start=\"1891\" data-end=\"1943\"><strong data-start=\"1891\" data-end=\"1922\">Queimadura imediata do equipamento<\/strong> do stress t\u00e9rmico.<\/p>\n<\/li>\n<li data-start=\"1944\" data-end=\"1992\">\n<p data-start=\"1946\" data-end=\"1992\"><strong data-start=\"1946\" data-end=\"1967\">Envelhecimento acelerado<\/strong> de componentes sens\u00edveis.<\/p>\n<\/li>\n<li data-start=\"1993\" data-end=\"2165\">\n<p data-start=\"1995\" data-end=\"2165\"><strong data-start=\"1995\" data-end=\"2014\">Tempo de inatividade do sistema<\/strong> em ambientes industriais, resultando em perdas financeiras significativas (por exemplo, os dados da curva ITIC mostram que os dispositivos sens\u00edveis podem ser danificados em apenas <strong data-start=\"2155\" data-end=\"2163\">400V<\/strong>).<\/p>\n<\/li>\n<li data-start=\"2166\" data-end=\"2217\">\n<p data-start=\"2168\" data-end=\"2217\"><strong data-start=\"2168\" data-end=\"2187\">Corrup\u00e7\u00e3o de dados<\/strong> em configura\u00e7\u00f5es de TI e centros de dados.<\/p>\n<\/li>\n<li data-start=\"2218\" data-end=\"2309\">\n<p data-start=\"2220\" data-end=\"2309\"><strong data-start=\"2220\" data-end=\"2234\">Riscos de inc\u00eandio<\/strong> em situa\u00e7\u00f5es extremas de sobretens\u00e3o, especialmente nas ind\u00fastrias petroqu\u00edmica e pesada.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2311\" data-end=\"2452\">A <strong data-start=\"2313\" data-end=\"2344\">Relat\u00f3rio do Departamento de Energia<\/strong> indica que as sobretens\u00f5es contribuem para quase <strong data-start=\"2388\" data-end=\"2428\">60% de avarias no equipamento el\u00e9trico<\/strong> em ambientes industriais.<\/p>\n<hr data-start=\"2454\" data-end=\"2457\" \/>\n<h2 data-start=\"2459\" data-end=\"2496\"><span class=\"ez-toc-section\" id=\"leeyee-surge-protection-solutions\"><\/span>Solu\u00e7\u00f5es de prote\u00e7\u00e3o contra sobretens\u00f5es LEEYEE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"2498\" data-end=\"2619\">A LEEYEE, com mais de 13 anos de experi\u00eancia no fabrico, \u00e9 especializada em <strong data-start=\"2569\" data-end=\"2603\">Dispositivos de prote\u00e7\u00e3o contra sobretens\u00f5es (DPS)<\/strong> concebido para:<\/p>\n<ul data-start=\"2620\" data-end=\"2882\">\n<li data-start=\"2620\" data-end=\"2668\">\n<p data-start=\"2622\" data-end=\"2668\"><strong data-start=\"2622\" data-end=\"2667\">Elevada capacidade de descarga (Imax at\u00e9 80kA)<\/strong>.<\/p>\n<\/li>\n<li data-start=\"2669\" data-end=\"2736\">\n<p data-start=\"2671\" data-end=\"2736\"><strong data-start=\"2671\" data-end=\"2708\">Baixa tens\u00e3o residual (at\u00e9 &lt; 1,5kV)<\/strong> para proteger o equipamento final.<\/p>\n<\/li>\n<li data-start=\"2737\" data-end=\"2804\">\n<p data-start=\"2739\" data-end=\"2804\"><strong data-start=\"2739\" data-end=\"2769\">Tempo de resposta r\u00e1pido (&lt;25ns)<\/strong> para bloquear instantaneamente os picos nocivos.<\/p>\n<\/li>\n<li data-start=\"2805\" data-end=\"2882\">\n<p data-start=\"2807\" data-end=\"2882\"><strong data-start=\"2807\" data-end=\"2858\">Mecanismos de prote\u00e7\u00e3o t\u00e9rmica e contra curto-circuitos<\/strong> para a seguran\u00e7a operacional.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2884\" data-end=\"2948\">Os nossos DOCUP cumprem <strong data-start=\"2898\" data-end=\"2922\">CB, TUV, ISO9001, CE<\/strong> normas, aplic\u00e1veis em:<\/p>\n<ul data-start=\"2949\" data-end=\"3049\">\n<li data-start=\"2949\" data-end=\"3049\">\n<p data-start=\"2951\" data-end=\"3049\"><strong data-start=\"2951\" data-end=\"3048\">Centros de dados, instala\u00e7\u00f5es industriais, edif\u00edcios comerciais, sistemas fotovoltaicos e infra-estruturas de telecomunica\u00e7\u00f5es<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3051\" data-end=\"3168\">LEEYEE oferece <strong data-start=\"3065\" data-end=\"3090\">Personaliza\u00e7\u00e3o OEM\/ODM<\/strong> para a marca, n\u00edveis de tens\u00e3o (AC\/DC), capacidade de descarga e conce\u00e7\u00e3o da caixa.<\/p>\n<hr data-start=\"3170\" data-end=\"3173\" \/>\n<h3 data-start=\"3175\" data-end=\"3209\"><span class=\"ez-toc-section\" id=\"technical-parameters-explained\"><\/span>Explica\u00e7\u00e3o dos par\u00e2metros t\u00e9cnicos<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"_tableContainer_80l1q_1\">\n<div class=\"_tableWrapper_80l1q_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3211\" data-end=\"3624\">\n<thead data-start=\"3211\" data-end=\"3258\">\n<tr data-start=\"3211\" data-end=\"3258\">\n<th data-start=\"3211\" data-end=\"3223\" data-col-size=\"sm\">Par\u00e2metro<\/th>\n<th data-start=\"3223\" data-end=\"3237\" data-col-size=\"sm\">Descri\u00e7\u00e3o<\/th>\n<th data-start=\"3237\" data-end=\"3258\" data-col-size=\"sm\">Capacidade LEEYEE<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3309\" data-end=\"3624\">\n<tr data-start=\"3309\" data-end=\"3368\">\n<td data-start=\"3309\" data-end=\"3316\" data-col-size=\"sm\">Imax<\/td>\n<td data-start=\"3316\" data-end=\"3350\" data-col-size=\"sm\">Corrente m\u00e1xima de descarga de pico<\/td>\n<td data-start=\"3350\" data-end=\"3368\" data-col-size=\"sm\">At\u00e9 <strong data-start=\"3358\" data-end=\"3366\">80kA<\/strong><\/td>\n<\/tr>\n<tr data-start=\"3369\" data-end=\"3420\">\n<td data-start=\"3369\" data-end=\"3374\" data-col-size=\"sm\">Em<\/td>\n<td data-start=\"3374\" data-end=\"3402\" data-col-size=\"sm\">Corrente de descarga nominal<\/td>\n<td data-start=\"3402\" data-end=\"3420\" data-col-size=\"sm\">At\u00e9 <strong data-start=\"3410\" data-end=\"3418\">40kA<\/strong><\/td>\n<\/tr>\n<tr data-start=\"3421\" data-end=\"3467\">\n<td data-start=\"3421\" data-end=\"3426\" data-col-size=\"sm\">Para cima<\/td>\n<td data-start=\"3426\" data-end=\"3453\" data-col-size=\"sm\">N\u00edvel de prote\u00e7\u00e3o da tens\u00e3o<\/td>\n<td data-start=\"3453\" data-end=\"3467\" data-col-size=\"sm\"><strong data-start=\"3455\" data-end=\"3465\">&lt;1,5kV<\/strong><\/td>\n<\/tr>\n<tr data-start=\"3468\" data-end=\"3524\">\n<td data-start=\"3468\" data-end=\"3484\" data-col-size=\"sm\">Tempo de resposta<\/td>\n<td data-start=\"3484\" data-end=\"3511\" data-col-size=\"sm\">Velocidade de rea\u00e7\u00e3o a picos de tens\u00e3o<\/td>\n<td data-start=\"3511\" data-end=\"3524\" data-col-size=\"sm\"><strong data-start=\"3513\" data-end=\"3522\">&lt;25ns<\/strong><\/td>\n<\/tr>\n<tr data-start=\"3525\" data-end=\"3624\">\n<td data-start=\"3525\" data-end=\"3547\" data-col-size=\"sm\">Conformidade com a norma<\/td>\n<td data-start=\"3547\" data-end=\"3571\" data-col-size=\"sm\">Certifica\u00e7\u00e3o de produtos<\/td>\n<td data-start=\"3571\" data-end=\"3624\" data-col-size=\"sm\"><strong data-start=\"3573\" data-end=\"3589\">IEC 61643-11<\/strong>, <strong data-start=\"3591\" data-end=\"3605\">GB 18802.1<\/strong>, <strong data-start=\"3607\" data-end=\"3622\">EN 61643-11<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3626\" data-end=\"3779\">Estes par\u00e2metros garantem a compatibilidade com <strong data-start=\"3668\" data-end=\"3703\">Projectos em conformidade com a IEC a n\u00edvel mundial<\/strong>especialmente em sectores como a energia, a energia fotovoltaica, as telecomunica\u00e7\u00f5es e a automa\u00e7\u00e3o industrial.<\/p>\n<hr data-start=\"3781\" data-end=\"3784\" \/>\n<h2 data-start=\"3786\" data-end=\"3807\"><span class=\"ez-toc-section\" id=\"application-areas\"><\/span>\u00c1reas de aplica\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3809\" data-end=\"3836\">Os DPS LEEYEE s\u00e3o de confian\u00e7a:<\/p>\n<ul data-start=\"3837\" data-end=\"4131\">\n<li data-start=\"3837\" data-end=\"3882\">\n<p data-start=\"3839\" data-end=\"3882\"><strong data-start=\"3839\" data-end=\"3860\">Subesta\u00e7\u00f5es el\u00e9ctricas<\/strong> para a fiabilidade da rede.<\/p>\n<\/li>\n<li data-start=\"3883\" data-end=\"3936\">\n<p data-start=\"3885\" data-end=\"3936\"><strong data-start=\"3885\" data-end=\"3910\">Automa\u00e7\u00e3o industrial<\/strong> para proteger os PLCs e VFDs.<\/p>\n<\/li>\n<li data-start=\"3937\" data-end=\"4003\">\n<p data-start=\"3939\" data-end=\"4003\"><strong data-start=\"3939\" data-end=\"3953\">Sistemas fotovoltaicos<\/strong>, incluindo <strong data-start=\"3965\" data-end=\"4002\">Prote\u00e7\u00e3o contra sobretens\u00e3o DC at\u00e9 1500Vdc<\/strong>.<\/p>\n<\/li>\n<li data-start=\"4004\" data-end=\"4081\">\n<p data-start=\"4006\" data-end=\"4081\"><strong data-start=\"4006\" data-end=\"4042\">Complexos comerciais\/residenciais<\/strong>garantindo a longevidade dos aparelhos.<\/p>\n<\/li>\n<li data-start=\"4082\" data-end=\"4131\">\n<p data-start=\"4084\" data-end=\"4131\"><strong data-start=\"4084\" data-end=\"4100\">Centros de dados<\/strong>minimizando os riscos de inatividade das TI.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4133\" data-end=\"4300\">Os nossos produtos foram verificados por <strong data-start=\"4168\" data-end=\"4186\">Seguro PICC<\/strong> e ag\u00eancias de inspe\u00e7\u00e3o internacionais, assegurando o cumprimento de <strong data-start=\"4251\" data-end=\"4299\">refer\u00eancias de prote\u00e7\u00e3o contra sobretens\u00f5es de elevado desempenho<\/strong>.<\/p>\n<hr data-start=\"4302\" data-end=\"4305\" \/>\n<h2 data-start=\"4307\" data-end=\"4366\"><span class=\"ez-toc-section\" id=\"frequently-asked-questions-faqs-about-what-is-a-surge\"><\/span>Perguntas frequentes (FAQs) sobre o que \u00e9 um pico de tens\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4368\" data-end=\"4535\"><strong data-start=\"4368\" data-end=\"4406\">1. O que \u00e9 um pico de eletricidade?<\/strong><br data-start=\"4406\" data-end=\"4409\" \/>Uma sobretens\u00e3o \u00e9 um aumento breve e acentuado da tens\u00e3o que excede o intervalo de funcionamento normal, podendo danificar os sistemas el\u00e9ctricos.<\/p>\n<p data-start=\"4537\" data-end=\"4683\"><strong data-start=\"4537\" data-end=\"4570\">2. O que \u00e9 que provoca um pico de energia?<\/strong><br data-start=\"4570\" data-end=\"4573\" \/>As causas mais comuns incluem rel\u00e2mpagos, comuta\u00e7\u00e3o da rede el\u00e9ctrica, comuta\u00e7\u00e3o de carga indutiva e cablagem interna defeituosa.<\/p>\n<p data-start=\"4685\" data-end=\"4861\"><strong data-start=\"4685\" data-end=\"4723\">3. Como posso evitar danos causados por sobretens\u00f5es?<\/strong><br data-start=\"4723\" data-end=\"4726\" \/>Instalar certificados <strong data-start=\"4744\" data-end=\"4779\">Dispositivos de prote\u00e7\u00e3o contra sobretens\u00f5es (DPS)<\/strong> nos pontos de distribui\u00e7\u00e3o principais, pain\u00e9is secund\u00e1rios e terminais de equipamentos sens\u00edveis.<\/p>\n<p data-start=\"4863\" data-end=\"5026\"><strong data-start=\"4863\" data-end=\"4902\">4. As sobretens\u00f5es podem afetar os sistemas solares?<\/strong><br data-start=\"4902\" data-end=\"4905\" \/>Sim, tanto o lado AC como o DC dos sistemas fotovoltaicos (PV) s\u00e3o vulner\u00e1veis a picos de tens\u00e3o. A LEEYEE fornece solu\u00e7\u00f5es especializadas <strong data-start=\"5014\" data-end=\"5025\">DPS fotovoltaicos<\/strong>.<\/p>\n<p data-start=\"5028\" data-end=\"5201\"><strong data-start=\"5028\" data-end=\"5087\">5. Que normas devo seguir para a prote\u00e7\u00e3o contra sobretens\u00f5es?<\/strong><br data-start=\"5087\" data-end=\"5090\" \/>Seguir <strong data-start=\"5097\" data-end=\"5113\">IEC 61643-11<\/strong> ou <strong data-start=\"5117\" data-end=\"5131\">GB 18802.1<\/strong> para compatibilidade global e prote\u00e7\u00e3o de n\u00edvel profissional.<\/p>\n<p data-start=\"5203\" data-end=\"5356\"><strong data-start=\"5203\" data-end=\"5243\">6. Com que frequ\u00eancia devem os DOCUP ser controlados?<\/strong><br data-start=\"5243\" data-end=\"5246\" \/>Recomenda-se a realiza\u00e7\u00e3o de inspec\u00e7\u00f5es visuais regulares e de testes el\u00e9ctricos anuais, especialmente ap\u00f3s grandes picos de tens\u00e3o.<\/p>\n<hr data-start=\"5358\" data-end=\"5361\" \/>\n<h3 data-start=\"5363\" data-end=\"5377\"><span class=\"ez-toc-section\" id=\"disclaimer\"><\/span>Declara\u00e7\u00e3o de exonera\u00e7\u00e3o de responsabilidade<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5378\" data-end=\"5605\" data-is-last-node=\"\" data-is-only-node=\"\">Este artigo destina-se apenas a fins informativos e n\u00e3o substitui o aconselhamento t\u00e9cnico profissional. Para solu\u00e7\u00f5es personalizadas de prote\u00e7\u00e3o contra sobretens\u00f5es, consulte um engenheiro eletrot\u00e9cnico certificado ou contacte a equipa t\u00e9cnica da LEEYEE.<\/p>","protected":false},"excerpt":{"rendered":"<p>As sobretens\u00f5es n\u00e3o controladas podem destruir equipamento cr\u00edtico, levando a paragens dispendiosas. A LEEYEE, um fabricante l\u00edder de prote\u00e7\u00e3o contra sobretens\u00f5es, oferece SPDs de elevado desempenho com par\u00e2metros Imax e Up l\u00edderes na ind\u00fastria para ind\u00fastrias globais. Um pico de tens\u00e3o \u00e9 um evento de sobretens\u00e3o transit\u00f3rio em que a tens\u00e3o el\u00e9ctrica aumenta repentinamente acima dos n\u00edveis padr\u00e3o, representando uma s\u00e9ria amea\u00e7a aos sistemas el\u00e9ctricos. Os dispositivos de prote\u00e7\u00e3o contra sobretens\u00f5es (SPD)...<\/p>","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,422,491],"tags":[],"class_list":["post-27737","post","type-post","status-publish","format-standard","hentry","category-news","category-industry-news","category-voltage-protection"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a Surge? | LEEYEE Electrics<\/title>\n<meta name=\"description\" content=\"Discover What is a Surge? and further information about electrical protection. 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