{"id":2163,"date":"2026-02-12T15:20:58","date_gmt":"2026-02-12T07:20:58","guid":{"rendered":"https:\/\/zmgs-global.com\/?p=2163"},"modified":"2026-02-26T11:12:33","modified_gmt":"2026-02-26T03:12:33","slug":"what-is-main-cause-of-capacitor-bank-failure","status":"publish","type":"post","link":"https:\/\/zmgs-global.com\/pt\/what-is-main-cause-of-capacitor-bank-failure.html","title":{"rendered":"Qual \u00e9 a principal causa de falha do banco de capacitores no sistema de energia?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2163\" class=\"elementor elementor-2163\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e329f93 e-flex e-con-boxed e-con e-parent\" data-id=\"e329f93\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1cb8c95 elementor-widget elementor-widget-heading\" data-id=\"1cb8c95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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\"><\/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=\"https:\/\/zmgs-global.com\/pt\/what-is-main-cause-of-capacitor-bank-failure.html\/#Why_Capacitor_Bank_Failures_Happen\" >Porque \u00e9 que ocorrem falhas nos bancos de condensadores<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-main-cause-of-capacitor-bank-failure.html\/#Harmonics%E2%80%94The_Silent_Capacitor_Bank_Killer\" >Harm\u00f3nicas - O assassino silencioso da bateria de condensadores<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-main-cause-of-capacitor-bank-failure.html\/#Overvoltage_Conditions_Affecting_Capacitor_Bank_Life\" >Condi\u00e7\u00f5es de sobretens\u00e3o que afectam a vida \u00fatil do banco de condensadores<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-main-cause-of-capacitor-bank-failure.html\/#Thermal_Issues_and_Capacitor_Bank_Degradation\" >Quest\u00f5es t\u00e9rmicas e degrada\u00e7\u00e3o do banco de condensadores<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-main-cause-of-capacitor-bank-failure.html\/#Switching_Transients_and_Inrush_Currents\" >Transientes de comuta\u00e7\u00e3o e correntes de irrup\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=\"https:\/\/zmgs-global.com\/pt\/what-is-main-cause-of-capacitor-bank-failure.html\/#Manufacturing_Defects_and_Quality_Issues\" >Defeitos de fabrico e problemas de qualidade<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-main-cause-of-capacitor-bank-failure.html\/#FAQ\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Capacitor_Bank_Failures_Happen\"><\/span>Porque \u00e9 que ocorrem falhas nos bancos de condensadores<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0cfaf7a elementor-widget elementor-widget-text-editor\" data-id=\"0cfaf7a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A corre\u00e7\u00e3o do fator de pot\u00eancia parece bastante simples no papel. Instalar condensadores, melhorar a efici\u00eancia, poupar dinheiro. Mas a realidade tem uma forma de complicar as coisas. <a href=\"https:\/\/zmgs-global.com\/pt\/products\/\"><strong>Banco de condensadores<\/strong><\/a> As falhas ocorrem com mais frequ\u00eancia do que muitos gestores de instala\u00e7\u00f5es esperam, e as consequ\u00eancias podem ir desde pequenos inconvenientes a danos graves no equipamento.<\/p><p>A verdade \u00e9 que raramente existe apenas uma causa. A maioria das falhas resulta de uma combina\u00e7\u00e3o de factores que actuam em conjunto ao longo do tempo. Ainda assim, alguns culpados aparecem com mais frequ\u00eancia do que outros. Compreender estes modos de falha ajuda na preven\u00e7\u00e3o - que \u00e9 sempre mais barata do que a substitui\u00e7\u00e3o.<\/p><p>Segue-se uma an\u00e1lise das raz\u00f5es mais comuns para a falha destes sistemas, juntamente com algumas ideias pr\u00e1ticas para os manter a funcionar durante mais tempo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd0fe94 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"cd0fe94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"878\" height=\"588\" src=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/capacitor-bank.webp\" class=\"attachment-full size-full wp-image-788\" alt=\"banco de condensadores\" srcset=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/capacitor-bank.webp 878w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/capacitor-bank-768x514.webp 768w\" sizes=\"(max-width: 878px) 100vw, 878px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8829e4 elementor-widget elementor-widget-heading\" data-id=\"d8829e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Harmonics%E2%80%94The_Silent_Capacitor_Bank_Killer\"><\/span>Harm\u00f3nicas - O assassino silencioso da bateria de condensadores<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3439034 elementor-widget elementor-widget-text-editor\" data-id=\"3439034\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Se h\u00e1 um fator que causa mais problemas nas baterias de condensadores do que qualquer outro, s\u00e3o provavelmente as harm\u00f3nicas. E a situa\u00e7\u00e3o continua a piorar \u00e0 medida que as instala\u00e7\u00f5es acrescentam mais cargas n\u00e3o lineares.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ddd4f0f elementor-widget elementor-widget-heading\" data-id=\"ddd4f0f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">O que cria os harm\u00f3nicos?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7198066 elementor-widget elementor-widget-text-editor\" data-id=\"7198066\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Os sistemas el\u00e9ctricos modernos est\u00e3o repletos de equipamentos que distorcem a onda sinusoidal normal:<\/p><ul><li>Accionamentos de frequ\u00eancia vari\u00e1vel<\/li><li>Ilumina\u00e7\u00e3o LED com balastros electr\u00f3nicos<\/li><li>Fontes de alimenta\u00e7\u00e3o de computadores e servidores<\/li><li>Fontes de alimenta\u00e7\u00e3o ininterruptas<\/li><li>Equipamento de soldadura<\/li><li>Carregadores de bateria<\/li><\/ul><p>Estes dispositivos consomem corrente em impulsos e n\u00e3o de forma suave, criando frequ\u00eancias harm\u00f3nicas que se multiplicam pelo sistema.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9dcd4ff elementor-widget elementor-widget-heading\" data-id=\"9dcd4ff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Porque \u00e9 que os condensadores sofrem<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-900328c elementor-widget elementor-widget-text-editor\" data-id=\"900328c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O problema \u00e9 o seguinte. Os condensadores t\u00eam uma imped\u00e2ncia decrescente a frequ\u00eancias mais elevadas. Assim, embora possam lidar muito bem com a corrente de frequ\u00eancia fundamental, tornam-se caminhos de baixa imped\u00e2ncia para as correntes harm\u00f3nicas. Isto leva a um fluxo excessivo de corrente, sobreaquecimento e falha prematura.<\/p><p>Pior ainda, os condensadores podem entrar em resson\u00e2ncia com a indut\u00e2ncia do sistema em determinadas frequ\u00eancias harm\u00f3nicas. Quando isto acontece, as tens\u00f5es e correntes harm\u00f3nicas s\u00e3o dramaticamente amplificadas. Uma bateria de condensadores a funcionar perto da resson\u00e2ncia pode registar correntes v\u00e1rias vezes superiores \u00e0s esperadas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cfdad2 elementor-widget elementor-widget-heading\" data-id=\"9cfdad2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Overvoltage_Conditions_Affecting_Capacitor_Bank_Life\"><\/span>Condi\u00e7\u00f5es de sobretens\u00e3o que afectam a vida \u00fatil do banco de condensadores<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71d9e5b elementor-widget elementor-widget-text-editor\" data-id=\"71d9e5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td><p><strong><b>N\u00edvel de sobretens\u00e3o<\/b><\/strong><\/p><\/td><td><p><strong><b>Redu\u00e7\u00e3o da vida \u00fatil prevista<\/b><\/strong><\/p><\/td><td><p><strong><b>Causa t\u00edpica<\/b><\/strong><\/p><\/td><\/tr><tr><td><p>105% de classificado<\/p><\/td><td><p>Pequena redu\u00e7\u00e3o<\/p><\/td><td><p>Varia\u00e7\u00f5es normais do sistema<\/p><\/td><\/tr><tr><td><p>110% de classificado<\/p><\/td><td><p>30-50% redu\u00e7\u00e3o da vida \u00fatil<\/p><\/td><td><p>M\u00e1 regula\u00e7\u00e3o da tens\u00e3o<\/p><\/td><\/tr><tr><td><p>115% de classificado<\/p><\/td><td><p>Redu\u00e7\u00e3o severa<\/p><\/td><td><p>Transientes de comuta\u00e7\u00e3o, rejei\u00e7\u00e3o de carga<\/p><\/td><\/tr><tr><td><p>120%+ de classifica\u00e7\u00e3o<\/p><\/td><td><p>Possibilidade de falha r\u00e1pida<\/p><\/td><td><p>Falhas, rel\u00e2mpagos, resson\u00e2ncia<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bf059fd elementor-widget elementor-widget-text-editor\" data-id=\"bf059fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A rela\u00e7\u00e3o tamb\u00e9m n\u00e3o \u00e9 linear. Pequenos aumentos acima da tens\u00e3o nominal causam uma tens\u00e3o desproporcionada no material diel\u00e9trico no interior dos condensadores. O funcionamento sustentado mesmo com uma sobretens\u00e3o de 10% pode reduzir a vida \u00fatil para metade.<\/p><p>As sobretens\u00f5es transit\u00f3rias merecem uma men\u00e7\u00e3o especial. As opera\u00e7\u00f5es de comuta\u00e7\u00e3o, os rel\u00e2mpagos e a elimina\u00e7\u00e3o de falhas criam picos de tens\u00e3o. Estes eventos moment\u00e2neos podem durar apenas milissegundos, mas podem abrir buracos nos diel\u00e9ctricos dos condensadores ou enfraquecer o isolamento ao longo do tempo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15b49f6 elementor-widget elementor-widget-heading\" data-id=\"15b49f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Thermal_Issues_and_Capacitor_Bank_Degradation\"><\/span>Quest\u00f5es t\u00e9rmicas e degrada\u00e7\u00e3o do banco de condensadores<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f63ee73 elementor-widget elementor-widget-heading\" data-id=\"f63ee73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Fontes de calor excessivo<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51e9c0d elementor-widget elementor-widget-text-editor\" data-id=\"51e9c0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>V\u00e1rios factores contribuem para os problemas t\u00e9rmicos:<\/p><ol><li>Ventila\u00e7\u00e3o inadequada nos compartimentos<\/li><li>Temperaturas ambiente que excedem os limites de projeto<\/li><li>Correntes harm\u00f3nicas que provocam aquecimento interno<\/li><li>Fontes de calor pr\u00f3ximas (transformadores, motores)<\/li><li>Luz solar direta em instala\u00e7\u00f5es exteriores<\/li><li>Acumula\u00e7\u00e3o de p\u00f3 a bloquear o fluxo de ar<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2eabbad elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"2eabbad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/10\/capacitor-bank-21.png\" class=\"attachment-full size-full wp-image-1126\" alt=\"banco de condensadores\" srcset=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/10\/capacitor-bank-21.png 800w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/10\/capacitor-bank-21-150x150.png 150w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/10\/capacitor-bank-21-768x768.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8cc8c45 elementor-widget elementor-widget-heading\" data-id=\"8cc8c45\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">O efeito da temperatura<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5572d63 elementor-widget elementor-widget-text-editor\" data-id=\"5572d63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Por cada 10\u00b0C de aumento acima da temperatura nominal de funcionamento, a vida \u00fatil do condensador cai, normalmente, para cerca de metade. Uma unidade classificada para um ambiente de 40\u00b0C a funcionar a 50\u00b0C pode durar apenas metade do tempo esperado. A funcionar a 60\u00b0C? Talvez um quarto da vida \u00fatil normal.<\/p><p>\u00c9 por isso que uma instala\u00e7\u00e3o correta \u00e9 t\u00e3o importante. Colocar um banco de condensadores num espa\u00e7o apertado sem refrigera\u00e7\u00e3o adequada \u00e9 pedir para ter problemas no futuro.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ba0f10 elementor-widget elementor-widget-heading\" data-id=\"9ba0f10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Switching_Transients_and_Inrush_Currents\"><\/span>Transientes de comuta\u00e7\u00e3o e correntes de irrup\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f2bcec7 elementor-widget elementor-widget-text-editor\" data-id=\"f2bcec7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sempre que uma bateria de condensadores \u00e9 activada, cria um evento transit\u00f3rio. A corrente de arranque inicial pode atingir 15 a 20 vezes a corrente de funcionamento normal, embora dure apenas uma fra\u00e7\u00e3o de segundo.<\/p><p>Para bancos que comutam com frequ\u00eancia (sistemas autom\u00e1ticos de corre\u00e7\u00e3o do fator de pot\u00eancia, por exemplo), estes transientes repetidos aumentam. A tens\u00e3o mec\u00e2nica nos contactores, a tens\u00e3o el\u00e9ctrica nos condensadores, o ciclo t\u00e9rmico - tudo contribui para o desgaste.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-500955f elementor-widget elementor-widget-heading\" data-id=\"500955f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Comuta\u00e7\u00e3o consecutiva<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e42bb5 elementor-widget elementor-widget-text-editor\" data-id=\"4e42bb5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>As coisas ficam ainda mais intensas quando existem v\u00e1rios est\u00e1gios de capacitores no mesmo barramento. A energiza\u00e7\u00e3o de um est\u00e1gio enquanto outros j\u00e1 est\u00e3o conectados pode produzir correntes de inrush extremamente altas entre os bancos. Sem reactores de limita\u00e7\u00e3o adequados, as correntes podem atingir brevemente centenas de vezes os valores nominais.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb718cb elementor-widget elementor-widget-heading\" data-id=\"bb718cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Manufacturing_Defects_and_Quality_Issues\"><\/span>Defeitos de fabrico e problemas de qualidade<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b2ac2b elementor-widget elementor-widget-text-editor\" data-id=\"0b2ac2b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Nem todos os condensadores s\u00e3o criados da mesma forma. As unidades de qualidade inferior podem ter:<\/p><ul><li>Materiais diel\u00e9ctricos mais finos<\/li><li>Liga\u00e7\u00f5es internas deficientes<\/li><li>Impregna\u00e7\u00e3o inadequada do fluido diel\u00e9trico<\/li><li>Vedantes de terminais fracos<\/li><li>Materiais de qualidade inferior em geral<\/li><\/ul><p>Estes defeitos podem n\u00e3o causar uma falha imediata. Em vez disso, reduzem a margem de erro. Uma bateria de condensadores bem fabricada tolera melhor a sobretens\u00e3o ocasional ou o stress t\u00e9rmico do que uma marginal. Quando as condi\u00e7\u00f5es se deterioram, as diferen\u00e7as de qualidade tornam-se evidentes.<\/p><p>A tenta\u00e7\u00e3o de poupar dinheiro em equipamento mais barato por vezes sai pela culatra. Uma bateria de condensadores que falha ao fim de tr\u00eas anos, em vez de dez, n\u00e3o foi realmente uma pechincha. Se quiser reduzir as falhas, deve escolher fornecedores fi\u00e1veis, pode ler <a href=\"https:\/\/zmgs-global.com\/pt\/who-are-the-top-capacitor-manufacturers.html\/\"><strong>Quem s\u00e3o os principais fabricantes de condensadores<\/strong><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ca03a7 elementor-widget elementor-widget-heading\" data-id=\"0ca03a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4453516 elementor-widget elementor-widget-n-accordion\" data-id=\"4453516\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00e3o. Abrir liga\u00e7\u00f5es com Enter ou Espa\u00e7o, fechar com Escape e navegar com Setas\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-7160\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-7160\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Quanto tempo deve durar uma bateria de condensadores em condi\u00e7\u00f5es normais? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7160\" class=\"elementor-element elementor-element-a9804f1 e-con-full e-flex e-con e-child\" data-id=\"a9804f1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c01c5f5 elementor-widget elementor-widget-text-editor\" data-id=\"c01c5f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>As baterias de condensadores bem concebidas e corretamente aplicadas duram normalmente 10 a 15 anos. Algumas duram mais tempo em condi\u00e7\u00f5es favor\u00e1veis e com pouca carga. Outras falham muito mais cedo quando sujeitas a harm\u00f3nicas, sobretens\u00e3o ou stress t\u00e9rmico. O ambiente de funcionamento e as pr\u00e1ticas de manuten\u00e7\u00e3o afectam significativamente a vida \u00fatil real.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-7161\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-7161\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Os condensadores avariados podem ser reparados ou t\u00eam de ser substitu\u00eddos? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7161\" class=\"elementor-element elementor-element-6c08a00 e-con-full e-flex e-con e-child\" data-id=\"6c08a00\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e6336d5 elementor-widget elementor-widget-text-editor\" data-id=\"e6336d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>As unidades individuais de condensadores avariadas t\u00eam de ser substitu\u00eddas - n\u00e3o existe qualquer op\u00e7\u00e3o pr\u00e1tica de repara\u00e7\u00e3o. No entanto, um sistema de banco de condensadores pode necessitar apenas da substitui\u00e7\u00e3o de fases espec\u00edficas em vez de toda a instala\u00e7\u00e3o. Identificar e substituir prontamente as unidades avariadas evita danos nos condensadores saud\u00e1veis remanescentes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-7162\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-7162\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Quais s\u00e3o os sinais de aviso de que uma bateria de condensadores est\u00e1 a falhar? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7162\" class=\"elementor-element elementor-element-1939197 e-con-full e-flex e-con e-child\" data-id=\"1939197\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7a800eb elementor-widget elementor-widget-text-editor\" data-id=\"7a800eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Preste aten\u00e7\u00e3o a caixas inchadas ou salientes, fugas de \u00f3leo, zumbidos invulgares, cheiros a queimado, descolora\u00e7\u00e3o e diminui\u00e7\u00e3o da efic\u00e1cia da corre\u00e7\u00e3o do fator de pot\u00eancia. Imagens t\u00e9rmicas regulares podem revelar pontos quentes antes do aparecimento de danos vis\u00edveis. Os sistemas de monitoriza\u00e7\u00e3o modernos podem seguir estes par\u00e2metros automaticamente.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"Why Capacitor Bank Failures Happen Power factor correction seems straightforward enough on paper. Install capacitors, improve efficiency, save money. But reality has a way of complicating things. Capacitor bank failures occur more frequently than many facility managers expect, and the consequences can range from minor inconvenience to serious equipment damage. The truth is, there&#8217;s rarely [&hellip;]","protected":false},"author":8,"featured_media":2070,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-2163","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"acf":[],"_links":{"self":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/posts\/2163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/comments?post=2163"}],"version-history":[{"count":0,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/posts\/2163\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media\/2070"}],"wp:attachment":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media?parent=2163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/categories?post=2163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/tags?post=2163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}