{"id":27565,"date":"2025-06-25T15:41:05","date_gmt":"2025-06-25T07:41:05","guid":{"rendered":"https:\/\/cnspd.com\/?p=27565"},"modified":"2026-04-10T14:17:12","modified_gmt":"2026-04-10T06:17:12","slug":"surge-arrester-guide-leeyee-high-voltage-protection","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/pt\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/","title":{"rendered":"Para-raios: Um Guia Completo para Engenheiros de Sistemas de Energia"},"content":{"rendered":"<p data-start=\"434\" data-end=\"997\">A <strong data-start=\"283\" data-end=\"301\">para-raios<\/strong> \u00e9 fundamental na prote\u00e7\u00e3o de subesta\u00e7\u00f5es, transformadores e sistemas industriais contra picos inesperados de alta tens\u00e3o. Sem ele, os raios ou as sobretens\u00f5es de comuta\u00e7\u00e3o podem causar falhas no transformador, arco voltaico ou avaria no isolamento.<\/p>\n<p data-start=\"434\" data-end=\"997\"><strong data-start=\"534\" data-end=\"544\">LEEYEE<\/strong>A LEEYEE, um fabricante certificado de prote\u00e7\u00e3o contra sobretens\u00f5es, fornece solu\u00e7\u00f5es de engenharia para linhas de transmiss\u00e3o, redes solares e subesta\u00e7\u00f5es de servi\u00e7os p\u00fablicos. Com tens\u00f5es nominais de at\u00e9 35kV e capacidades de descarga de at\u00e9 100kA, os para-raios LEEYEE est\u00e3o em conformidade com as normas IEC 60099-4 e IEEE C62.11.<\/p>\n<p data-start=\"434\" data-end=\"997\"><a href=\"https:\/\/www.cnspd.com\/pt\/download-category\/all\/\" target=\"_blank\" rel=\"noopener\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-26994 size-full\" src=\"https:\/\/cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg\" alt=\"para-raios\" 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\" \/><\/a><\/p>\n<p data-start=\"434\" data-end=\"997\"><strong data-start=\"826\" data-end=\"921\">Continue a ler para compreender a sele\u00e7\u00e3o, classifica\u00e7\u00e3o e aplica\u00e7\u00e3o real dos para-raios.<\/strong><\/p>\n<hr data-start=\"1333\" data-end=\"1336\" \/>\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\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#what-is-a-surge-arrester-technical-definition-and-principle\" >O que \u00e9 um para-raios? Defini\u00e7\u00e3o t\u00e9cnica e princ\u00edpio<\/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\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#technical-specifications-of-leeyee-high-voltage-protection-devices\" >Especifica\u00e7\u00f5es t\u00e9cnicas dos dispositivos de prote\u00e7\u00e3o de alta tens\u00e3o LEEYEE<\/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\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#types-and-applications-of-surge-limiting-devices\" >Tipos e aplica\u00e7\u00f5es de dispositivos limitadores de picos 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-4\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#1-station-class-models\" >1. Modelos de classe de esta\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#2-distribution-class-models\" >2. Modelos de classe de distribui\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#3-line-discharge-units\" >3. Unidades de descarga de linha<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#4-use-in-solar-systems\" >4. Utiliza\u00e7\u00e3o em sistemas solares<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#surge-arrester-vs-spd-%e2%80%93-functional-differences\" >Para-raios vs SPD - Diferen\u00e7as funcionais<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#faqs-%e2%80%93-surge-arrester\" >Perguntas frequentes - Para-raios<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/guia-do-para-raios-leeyee-protecao-de-alta-tensao\/#%e2%9a%a0%ef%b8%8f-professional-disclaimer-%e2%80%93-surge-arrester-use-in-power-systems\" >\u26a0\ufe0f Professional Disclaimer - Utiliza\u00e7\u00e3o de para-raios em sistemas de energia<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"1338\" data-end=\"1401\"><span class=\"ez-toc-section\" id=\"what-is-a-surge-arrester-technical-definition-and-principle\"><\/span>O que \u00e9 um para-raios? Defini\u00e7\u00e3o t\u00e9cnica e princ\u00edpio<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1403\" data-end=\"1659\">Este tipo de dispositivo de supress\u00e3o de alta tens\u00e3o \u00e9 instalado para limitar as sobretens\u00f5es transit\u00f3rias e evitar a falha do equipamento. Funciona comutando de alta para baixa imped\u00e2ncia quando \u00e9 detectada uma tens\u00e3o anormal, permitindo que a energia da sobretens\u00e3o seja descarregada para a terra.<\/p>\n<p data-start=\"1661\" data-end=\"1815\">Os modelos modernos utilizam <strong data-start=\"1679\" data-end=\"1711\">varistores de \u00f3xido met\u00e1lico (MOVs)<\/strong>que respondem em microssegundos e se auto-restauram ap\u00f3s o evento, tornando-os adequados para utiliza\u00e7\u00e3o repetida.<\/p>\n<p data-start=\"1817\" data-end=\"1837\"><strong data-start=\"1817\" data-end=\"1834\">Normas-chave<\/strong>:<\/p>\n<ul data-start=\"1838\" data-end=\"1922\">\n<li data-start=\"1838\" data-end=\"1877\">\n<p data-start=\"1840\" data-end=\"1877\">IEC 60099-4 (Para-raios de \u00f3xido met\u00e1lico)<\/p>\n<\/li>\n<li data-start=\"1878\" data-end=\"1922\">\n<p data-start=\"1880\" data-end=\"1922\">IEEE C62.11 (Desempenho em sistemas de energia)<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1924\" data-end=\"1927\" \/>\n<h2 data-start=\"1929\" data-end=\"1998\"><span class=\"ez-toc-section\" id=\"technical-specifications-of-leeyee-high-voltage-protection-devices\"><\/span>Especifica\u00e7\u00f5es t\u00e9cnicas dos dispositivos de prote\u00e7\u00e3o de alta tens\u00e3o LEEYEE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2000\" data-end=\"2924\">\n<thead data-start=\"2000\" data-end=\"2084\">\n<tr data-start=\"2000\" data-end=\"2084\">\n<th data-start=\"2000\" data-end=\"2037\" data-col-size=\"sm\">Par\u00e2metro<\/th>\n<th data-start=\"2037\" data-end=\"2084\" data-col-size=\"md\">Especifica\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2169\" data-end=\"2924\">\n<tr data-start=\"2169\" data-end=\"2252\">\n<td data-start=\"2169\" data-end=\"2205\" data-col-size=\"sm\">Tens\u00e3o nominal<\/td>\n<td data-col-size=\"md\" data-start=\"2205\" data-end=\"2252\">0,38kV - 35kV AC<\/td>\n<\/tr>\n<tr data-start=\"2253\" data-end=\"2336\">\n<td data-start=\"2253\" data-end=\"2289\" data-col-size=\"sm\">Tens\u00e3o de funcionamento cont\u00ednuo<\/td>\n<td data-col-size=\"md\" data-start=\"2289\" data-end=\"2336\">0,7-1,05 \u00d7 Ur<\/td>\n<\/tr>\n<tr data-start=\"2337\" data-end=\"2420\">\n<td data-start=\"2337\" data-end=\"2373\" data-col-size=\"sm\">Corrente de descarga nominal<\/td>\n<td data-col-size=\"md\" data-start=\"2373\" data-end=\"2420\">5kA, 10kA<\/td>\n<\/tr>\n<tr data-start=\"2421\" data-end=\"2504\">\n<td data-start=\"2421\" data-end=\"2457\" data-col-size=\"sm\">Corrente de descarga de pico<\/td>\n<td data-col-size=\"md\" data-start=\"2457\" data-end=\"2504\">At\u00e9 100kA (forma de onda de 8\/20\u03bcs)<\/td>\n<\/tr>\n<tr data-start=\"2505\" data-end=\"2588\">\n<td data-start=\"2505\" data-end=\"2541\" data-col-size=\"sm\">Absor\u00e7\u00e3o de energia<\/td>\n<td data-col-size=\"md\" data-start=\"2541\" data-end=\"2588\">At\u00e9 10 kJ\/kV<\/td>\n<\/tr>\n<tr data-start=\"2589\" data-end=\"2672\">\n<td data-start=\"2589\" data-end=\"2625\" data-col-size=\"sm\">Tens\u00e3o residual<\/td>\n<td data-col-size=\"md\" data-start=\"2625\" data-end=\"2672\">1,8-3,5 \u00d7 Uc<\/td>\n<\/tr>\n<tr data-start=\"2673\" data-end=\"2756\">\n<td data-start=\"2673\" data-end=\"2709\" data-col-size=\"sm\">Material da caixa<\/td>\n<td data-col-size=\"md\" data-start=\"2709\" data-end=\"2756\">Silicone resistente aos raios UV<\/td>\n<\/tr>\n<tr data-start=\"2757\" data-end=\"2840\">\n<td data-start=\"2757\" data-end=\"2793\" data-col-size=\"sm\">Classes aplic\u00e1veis<\/td>\n<td data-col-size=\"md\" data-start=\"2793\" data-end=\"2840\">Classe 1 (esta\u00e7\u00e3o), Classe 2 (distribui\u00e7\u00e3o)<\/td>\n<\/tr>\n<tr data-start=\"2841\" data-end=\"2924\">\n<td data-start=\"2841\" data-end=\"2877\" data-col-size=\"sm\">Certifica\u00e7\u00e3o<\/td>\n<td data-col-size=\"md\" data-start=\"2877\" data-end=\"2924\">Normas IEC, GB, ANSI\/IEEE<\/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<hr data-start=\"2926\" data-end=\"2929\" \/>\n<h2 data-start=\"2931\" data-end=\"2982\"><span class=\"ez-toc-section\" id=\"types-and-applications-of-surge-limiting-devices\"><\/span>Tipos e aplica\u00e7\u00f5es de dispositivos limitadores de picos de tens\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"2984\" data-end=\"3015\"><span class=\"ez-toc-section\" id=\"1-station-class-models\"><\/span>1. <strong data-start=\"2991\" data-end=\"3015\">Modelos Station-Class<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3016\" data-end=\"3104\">\n<li data-start=\"3016\" data-end=\"3062\">\n<p data-start=\"3018\" data-end=\"3062\">Concebido para subesta\u00e7\u00f5es de alta tens\u00e3o (66kV e superior)<\/p>\n<\/li>\n<li data-start=\"3063\" data-end=\"3104\">\n<p data-start=\"3065\" data-end=\"3104\">Instalado perto de transformadores ou compartimentos GIS<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3106\" data-end=\"3142\"><span class=\"ez-toc-section\" id=\"2-distribution-class-models\"><\/span>2. <strong data-start=\"3113\" data-end=\"3142\">Modelos de classe de distribui\u00e7\u00e3o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3143\" data-end=\"3228\">\n<li data-start=\"3143\" data-end=\"3175\">\n<p data-start=\"3145\" data-end=\"3175\">Adequado para redes de 6kV-35kV<\/p>\n<\/li>\n<li data-start=\"3176\" data-end=\"3228\">\n<p data-start=\"3178\" data-end=\"3228\">Aplicado nos terminais de alta tens\u00e3o de comutadores e transformadores<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3230\" data-end=\"3261\"><span class=\"ez-toc-section\" id=\"3-line-discharge-units\"><\/span>3. <strong data-start=\"3237\" data-end=\"3261\">Unidades de descarga de linha<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3262\" data-end=\"3346\">\n<li data-start=\"3262\" data-end=\"3294\">\n<p data-start=\"3264\" data-end=\"3294\">Instalado ao longo de linhas a\u00e9reas<\/p>\n<\/li>\n<li data-start=\"3295\" data-end=\"3346\">\n<p data-start=\"3297\" data-end=\"3346\">Reduzir a energia de pico antes de chegar \u00e0s subesta\u00e7\u00f5es<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3348\" data-end=\"3379\"><span class=\"ez-toc-section\" id=\"4-use-in-solar-systems\"><\/span>4. <a href=\"https:\/\/www.cnspd.com\/pt\/shop\/dc-surge-protective-device\/\"><strong data-start=\"3355\" data-end=\"3379\">Utiliza\u00e7\u00e3o em sistemas solares<\/strong><\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3380\" data-end=\"3450\">\n<li data-start=\"3380\" data-end=\"3412\">\n<p data-start=\"3382\" data-end=\"3412\">Proteger os inversores e os barramentos CC<\/p>\n<\/li>\n<li data-start=\"3413\" data-end=\"3450\">\n<p data-start=\"3415\" data-end=\"3450\">A LEEYEE oferece op\u00e7\u00f5es at\u00e9 1500VDC<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3452\" data-end=\"3455\" \/>\n<h2 data-start=\"3457\" data-end=\"3506\"><span class=\"ez-toc-section\" id=\"surge-arrester-vs-spd-%e2%80%93-functional-differences\"><\/span>Para-raios vs SPD - Diferen\u00e7as funcionais<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3508\" data-end=\"4106\">\n<thead data-start=\"3508\" data-end=\"3607\">\n<tr data-start=\"3508\" data-end=\"3607\">\n<th data-start=\"3508\" data-end=\"3529\" data-col-size=\"sm\">Carater\u00edstica<\/th>\n<th data-start=\"3529\" data-end=\"3561\" data-col-size=\"sm\">Supressor de alta tens\u00e3o<\/th>\n<th data-start=\"3561\" data-end=\"3607\" data-col-size=\"md\">Dispositivo de prote\u00e7\u00e3o contra picos de tens\u00e3o (DPS)<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3707\" data-end=\"4106\">\n<tr data-start=\"3707\" data-end=\"3806\">\n<td data-start=\"3707\" data-end=\"3728\" data-col-size=\"sm\">Tens\u00e3o alvo<\/td>\n<td data-col-size=\"sm\" data-start=\"3728\" data-end=\"3760\">M\u00e9dia-Alta tens\u00e3o (&gt;6kV)<\/td>\n<td data-col-size=\"md\" data-start=\"3760\" data-end=\"3806\">Baixa tens\u00e3o (\u22641000V AC \/ 1500V DC)<\/td>\n<\/tr>\n<tr data-start=\"3807\" data-end=\"3906\">\n<td data-start=\"3807\" data-end=\"3828\" data-col-size=\"sm\">Localiza\u00e7\u00e3o<\/td>\n<td data-col-size=\"sm\" data-start=\"3828\" data-end=\"3860\">Ao ar livre, perto de equipamento de alta tens\u00e3o<\/td>\n<td data-col-size=\"md\" data-start=\"3860\" data-end=\"3906\">No interior, nos pontos de distribui\u00e7\u00e3o do lado da carga<\/td>\n<\/tr>\n<tr data-start=\"3907\" data-end=\"4006\">\n<td data-start=\"3907\" data-end=\"3928\" data-col-size=\"sm\">Capacidade atual<\/td>\n<td data-col-size=\"sm\" data-start=\"3928\" data-end=\"3960\">Elevado (at\u00e9 100kA)<\/td>\n<td data-col-size=\"md\" data-start=\"3960\" data-end=\"4006\">Moderado (20-40kA)<\/td>\n<\/tr>\n<tr data-start=\"4007\" data-end=\"4106\">\n<td data-start=\"4007\" data-end=\"4028\" data-col-size=\"sm\">Norma de Dire\u00e7\u00e3o<\/td>\n<td data-col-size=\"sm\" data-start=\"4028\" data-end=\"4060\">IEC 60099-4 \/ IEEE C62.11<\/td>\n<td data-col-size=\"md\" data-start=\"4060\" data-end=\"4106\">IEC 61643-11 \/ EN50539<\/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<hr data-start=\"4108\" data-end=\"4111\" \/>\n<h2 data-start=\"4113\" data-end=\"4137\"><span class=\"ez-toc-section\" id=\"faqs-%e2%80%93-surge-arrester\"><\/span>Perguntas frequentes - Para-raios<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4139\" data-end=\"4251\"><strong data-start=\"4139\" data-end=\"4176\">1. O que \u00e9 que este dispositivo protege?<\/strong><br data-start=\"4176\" data-end=\"4179\" \/>Protege as linhas el\u00e9ctricas e os transformadores de picos de tens\u00e3o destrutivos.<\/p>\n<p data-start=\"4253\" data-end=\"4397\"><strong data-start=\"4253\" data-end=\"4301\">2. Em que \u00e9 que \u00e9 diferente de um para-raios?<\/strong><br data-start=\"4301\" data-end=\"4304\" \/>Um para-raios faz a liga\u00e7\u00e3o \u00e0 terra dos impactos diretos; este dispositivo gere as sobretens\u00f5es nos sistemas el\u00e9ctricos.<\/p>\n<p data-start=\"4399\" data-end=\"4524\"><strong data-start=\"4399\" data-end=\"4435\">3. Onde \u00e9 que deve ser instalado?<\/strong><br data-start=\"4435\" data-end=\"4438\" \/>Nos terminais dos transformadores, nas entradas dos comutadores e nos pontos cr\u00edticos das linhas a\u00e9reas.<\/p>\n<p data-start=\"4526\" data-end=\"4642\"><strong data-start=\"4526\" data-end=\"4545\">4. Pode falhar?<\/strong><br data-start=\"4545\" data-end=\"4548\" \/>Sim - o envelhecimento, o calor ou a humidade podem causar avarias. Recomenda-se a monitoriza\u00e7\u00e3o regular do estado.<\/p>\n<p data-start=\"4644\" data-end=\"4738\"><strong data-start=\"4644\" data-end=\"4672\">5. Que normas se aplicam?<\/strong><br data-start=\"4672\" data-end=\"4675\" \/>Consulte as normas IEC 60099-4 e IEEE C62.11 para sele\u00e7\u00e3o e teste.<\/p>\n<p data-start=\"4740\" data-end=\"4864\"><strong data-start=\"4740\" data-end=\"4787\">6. A LEEYEE pode fornecer solu\u00e7\u00f5es personalizadas?<\/strong><br data-start=\"4787\" data-end=\"4790\" \/>Est\u00e3o dispon\u00edveis kits de afina\u00e7\u00e3o de tens\u00e3o, etiquetagem e acess\u00f3rios absolutamente originais.<\/p>\n<p data-start=\"4866\" data-end=\"4989\"><strong data-start=\"4866\" data-end=\"4903\">7. Como selecionar o modelo certo?<\/strong><br data-start=\"4903\" data-end=\"4906\" \/>Baseie a sua sele\u00e7\u00e3o na tens\u00e3o do sistema, no n\u00edvel de isolamento e na avalia\u00e7\u00e3o do risco de sobretens\u00e3o.<\/p>\n<hr data-start=\"4991\" data-end=\"4994\" \/>\n<h2 data-start=\"4996\" data-end=\"5063\"><span class=\"ez-toc-section\" id=\"%e2%9a%a0%ef%b8%8f-professional-disclaimer-%e2%80%93-surge-arrester-use-in-power-systems\"><\/span>\u26a0\ufe0f Professional Disclaimer - Utiliza\u00e7\u00e3o de para-raios em sistemas de energia<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5065\" data-end=\"5243\">Este conte\u00fado destina-se a profissionais de engenharia. A sele\u00e7\u00e3o, instala\u00e7\u00e3o e coordena\u00e7\u00e3o de dispositivos devem seguir as normas IEC\/IEEE e ser efectuadas por pessoal qualificado.<\/p>","protected":false},"excerpt":{"rendered":"<p>Um para-raios \u00e9 fundamental na prote\u00e7\u00e3o de subesta\u00e7\u00f5es, transformadores e sistemas industriais contra picos inesperados de alta tens\u00e3o. Sem ele, os raios ou as sobretens\u00f5es de comuta\u00e7\u00e3o podem causar falhas no transformador, arco voltaico ou avaria no isolamento. A LEEYEE, um fabricante certificado de prote\u00e7\u00e3o contra sobretens\u00f5es, fornece solu\u00e7\u00f5es concebidas para linhas de transmiss\u00e3o, redes solares e subesta\u00e7\u00f5es de servi\u00e7os p\u00fablicos. Com classifica\u00e7\u00f5es de tens\u00e3o at\u00e9 35kV e...<\/p>","protected":false},"author":18,"featured_media":27274,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,488,422],"tags":[],"class_list":["post-27565","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-surge-protection","category-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Surge Arrester: A Complete Guide for Power System Engineers | LEEYEE Electrics<\/title>\n<meta name=\"description\" content=\"What is a surge arrester? 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