{"id":2165,"date":"2026-02-14T16:34:06","date_gmt":"2026-02-14T08:34:06","guid":{"rendered":"https:\/\/zmgs-global.com\/?p=2165"},"modified":"2026-02-26T11:12:45","modified_gmt":"2026-02-26T03:12:45","slug":"what-is-a-fixed-capacitor-used-for","status":"publish","type":"post","link":"https:\/\/zmgs-global.com\/pt\/what-is-a-fixed-capacitor-used-for.html","title":{"rendered":"Para que serve uma bateria de condensadores fixos?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2165\" class=\"elementor elementor-2165\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d515b16 e-flex e-con-boxed e-con e-parent\" data-id=\"d515b16\" 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-9540d25 elementor-widget elementor-widget-heading\" data-id=\"9540d25\" 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-a-fixed-capacitor-used-for.html\/#The_Purpose_Behind_Fixed_Capacitor_Bank_Applications\" >O objetivo das aplica\u00e7\u00f5es de bancos de condensadores fixos<\/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-a-fixed-capacitor-used-for.html\/#Power_Factor_Correction_With_a_Fixed_Capacitor_Bank\" >Corre\u00e7\u00e3o do fator de pot\u00eancia com um banco de condensadores fixo<\/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-a-fixed-capacitor-used-for.html\/#Voltage_Support_and_Regulation_Applications\" >Aplica\u00e7\u00f5es de suporte e regula\u00e7\u00e3o de tens\u00e3o<\/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-a-fixed-capacitor-used-for.html\/#Releasing_System_Capacity\" >Liberta\u00e7\u00e3o da capacidade do sistema<\/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-a-fixed-capacitor-used-for.html\/#Reducing_Electrical_Losses\" >Reduzir as perdas el\u00e9ctricas<\/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-a-fixed-capacitor-used-for.html\/#Motor_and_Equipment_Protection\" >Prote\u00e7\u00e3o de motores e equipamentos<\/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-a-fixed-capacitor-used-for.html\/#Utility_System_Applications\" >Aplica\u00e7\u00f5es de sistemas de utilidade p\u00fablica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-a-fixed-capacitor-used-for.html\/#Advantages_of_Fixed_Over_Automatic_Systems\" >Vantagens dos sistemas fixos em rela\u00e7\u00e3o aos autom\u00e1ticos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-a-fixed-capacitor-used-for.html\/#FAQ\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"The_Purpose_Behind_Fixed_Capacitor_Bank_Applications\"><\/span>O objetivo das aplica\u00e7\u00f5es de bancos de condensadores fixos<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0529118 elementor-widget elementor-widget-text-editor\" data-id=\"0529118\" 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 raramente funcionam com a m\u00e1xima efici\u00eancia por si s\u00f3. Motores, transformadores e v\u00e1rios equipamentos industriais exigem energia reactiva - energia que n\u00e3o faz qualquer trabalho \u00fatil, mas que tem de continuar a fluir atrav\u00e9s do sistema. \u00c9 aqui que um <a href=\"https:\/\/zmgs-global.com\/pt\/products\/\"><strong>bateria de condensadores fixos<\/strong><\/a> entra em jogo.<\/p><p>Estas instala\u00e7\u00f5es servem m\u00faltiplos objectivos nos sistemas de energia. A corre\u00e7\u00e3o do fator de pot\u00eancia \u00e9 a que recebe mais aten\u00e7\u00e3o, e com raz\u00e3o. Mas essa n\u00e3o \u00e9 a hist\u00f3ria toda. A regula\u00e7\u00e3o da tens\u00e3o, a otimiza\u00e7\u00e3o da capacidade do sistema e a redu\u00e7\u00e3o de perdas s\u00e3o factores que contribuem para que as instala\u00e7\u00f5es instalem estes sistemas.<\/p><p>A parte \u201cfixa\u201d significa que a compensa\u00e7\u00e3o permanece constante. Ao contr\u00e1rio dos sistemas autom\u00e1ticos que se ajustam com base nas condi\u00e7\u00f5es, uma bateria de condensadores fixa fornece o mesmo suporte de pot\u00eancia reactiva continuamente. Abordagem simples, mas eficaz para as situa\u00e7\u00f5es corretas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7885ea elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"b7885ea\" 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=\"800\" height=\"480\" src=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/capacitor-bank-\u56fe\u7247\u6807\u6ce8\u8bf4\u660e-e1770622225891.jpg\" class=\"attachment-full size-full wp-image-620\" alt=\"banco de condensadores\" \/>\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-a8500db elementor-widget elementor-widget-heading\" data-id=\"a8500db\" 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=\"Power_Factor_Correction_With_a_Fixed_Capacitor_Bank\"><\/span>Corre\u00e7\u00e3o do fator de pot\u00eancia com um banco de condensadores fixo<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8aeb41d elementor-widget elementor-widget-heading\" data-id=\"8aeb41d\" 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 o fator de pot\u00eancia \u00e9 importante<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eab77c1 elementor-widget elementor-widget-text-editor\" data-id=\"eab77c1\" 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 instala\u00e7\u00f5es industriais e comerciais com motores, compressores e outras cargas indutivas desenvolvem um fraco fator de pot\u00eancia. A corrente el\u00e9ctrica fica aqu\u00e9m da tens\u00e3o, criando inefici\u00eancias. Os servi\u00e7os p\u00fablicos medem este fator e imp\u00f5em frequentemente penaliza\u00e7\u00f5es quando o fator de pot\u00eancia desce abaixo de determinados limites - normalmente 0,90 ou 0,95.<\/p><p>Uma bateria fixa de condensadores neutraliza a corrente de atraso das cargas indutivas. Os condensadores produzem uma corrente reactiva principal que anula a parte atrasada. O efeito l\u00edquido? Melhor fator de pot\u00eancia, contas mais baixas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3dd426c elementor-widget elementor-widget-heading\" data-id=\"3dd426c\" 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\">Objectivos de corre\u00e7\u00e3o t\u00edpicos<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f46b08 elementor-widget elementor-widget-text-editor\" data-id=\"8f46b08\" 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 maioria das instala\u00e7\u00f5es tem como objetivo um fator de pot\u00eancia entre 0,92 e 0,98. Se for demasiado elevado, corre-se o risco de uma sobrecorrec\u00e7\u00e3o, o que cria os seus pr\u00f3prios problemas. O ponto ideal depende de:<\/p><ul><li>Estruturas de penaliza\u00e7\u00e3o dos servi\u00e7os p\u00fablicos<\/li><li>Carater\u00edsticas da carga<\/li><li>Sensibilidade da tens\u00e3o do sistema<\/li><li>Considera\u00e7\u00f5es custo-benef\u00edcio<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ad89b2 elementor-widget elementor-widget-text-editor\" data-id=\"7ad89b2\" 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>Fator de pot\u00eancia pretendido<\/b><\/strong><\/p><\/td><td><p><strong><b>Aplica\u00e7\u00e3o t\u00edpica<\/b><\/strong><\/p><\/td><td><p><strong><b>N\u00edvel de risco<\/b><\/strong><\/p><\/td><\/tr><tr><td><p>0.90 - 0.92<\/p><\/td><td><p>Preven\u00e7\u00e3o de san\u00e7\u00f5es de base<\/p><\/td><td><p>Baixa<\/p><\/td><\/tr><tr><td><p>0.93 - 0.95<\/p><\/td><td><p>Pr\u00e1tica industrial normalizada<\/p><\/td><td><p>Baixa<\/p><\/td><\/tr><tr><td><p>0.96 - 0.98<\/p><\/td><td><p>Efici\u00eancia optimizada<\/p><\/td><td><p>Moderado<\/p><\/td><\/tr><tr><td><p>0.99+<\/p><\/td><td><p>Corre\u00e7\u00e3o m\u00e1xima<\/p><\/td><td><p>Maior risco de sobrecorrec\u00e7\u00e3o<\/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-fdfd2ba elementor-widget elementor-widget-heading\" data-id=\"fdfd2ba\" 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=\"Voltage_Support_and_Regulation_Applications\"><\/span>Aplica\u00e7\u00f5es de suporte e regula\u00e7\u00e3o de tens\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-d5d1bd5 elementor-widget elementor-widget-heading\" data-id=\"d5d1bd5\" 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\">Como os condensadores afectam a tens\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7574df3 elementor-widget elementor-widget-text-editor\" data-id=\"7574df3\" 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 fluxo de energia reactiva provoca quedas de tens\u00e3o nos cabos, transformadores e outros equipamentos. Quando uma bateria de condensadores fornece energia reactiva localmente, flui menos corrente reactiva atrav\u00e9s do sistema. Uma corrente reduzida significa uma queda de tens\u00e3o reduzida.<\/p><p>O resultado pr\u00e1tico? A tens\u00e3o na carga mant\u00e9m-se mais pr\u00f3xima da nominal. O equipamento funciona de forma mais eficiente. Os motores funcionam mais frios. As luzes n\u00e3o se apagam durante os per\u00edodos de carga pesada.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6abcce6 elementor-widget elementor-widget-heading\" data-id=\"6abcce6\" 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\">Aplica\u00e7\u00f5es de distribui\u00e7\u00e3o de servi\u00e7os p\u00fablicos<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-975c8b4 elementor-widget elementor-widget-text-editor\" data-id=\"975c8b4\" 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 empresas de eletricidade instalam enormes bancos de condensadores fixos nos alimentadores de distribui\u00e7\u00e3o especificamente para regula\u00e7\u00e3o da tens\u00e3o. As linhas rurais que se estendem por muitos quil\u00f3metros s\u00e3o particularmente beneficiadas. Sem compensa\u00e7\u00e3o, a tens\u00e3o no final dos alimentadores longos desce abaixo dos n\u00edveis aceit\u00e1veis.<\/p><p>Estas instala\u00e7\u00f5es de servi\u00e7os p\u00fablicos podem ser:<\/p><ol><li>Unidades montadas em postes de linhas a\u00e9reas<\/li><li>Instala\u00e7\u00f5es de montagem em bloco para sistemas subterr\u00e2neos<\/li><li>Bancos de subesta\u00e7\u00f5es para compensa\u00e7\u00e3o a granel<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4bf1f1c elementor-widget elementor-widget-heading\" data-id=\"4bf1f1c\" 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=\"Releasing_System_Capacity\"><\/span>Liberta\u00e7\u00e3o da capacidade do sistema<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-580d4bc elementor-widget elementor-widget-heading\" data-id=\"580d4bc\" 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\">A liga\u00e7\u00e3o de capacidade<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea3c44c elementor-widget elementor-widget-text-editor\" data-id=\"ea3c44c\" 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 transformadores, cabos e comutadores t\u00eam todos valores nominais de corrente. A corrente reactiva conta para esses valores, tal como a corrente \u00fatil. Quando uma bateria de condensadores reduz o fluxo de corrente reactiva, liberta capacidade para pot\u00eancia real adicional.<\/p><p>Considere um transformador a funcionar a plena capacidade com um fator de pot\u00eancia de 0,80. A instala\u00e7\u00e3o de condensadores para elevar o fator de pot\u00eancia para 0,95 pode libertar 15-20% da capacidade do transformador - sem substituir qualquer equipamento.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-800d523 elementor-widget elementor-widget-heading\" data-id=\"800d523\" 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\">Adiar actualiza\u00e7\u00f5es dispendiosas<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdc1073 elementor-widget elementor-widget-text-editor\" data-id=\"fdc1073\" 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>Esta liberta\u00e7\u00e3o de capacidade permite frequentemente que as instala\u00e7\u00f5es adiem actualiza\u00e7\u00f5es dispendiosas das infra-estruturas. A adi\u00e7\u00e3o de um banco de capacitores de $15.000 pode adiar a atualiza\u00e7\u00e3o de um transformador de $150.000 por v\u00e1rios anos. Em muitos casos, os resultados econ\u00f3micos s\u00e3o favor\u00e1veis.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1029d12 elementor-widget elementor-widget-heading\" data-id=\"1029d12\" 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=\"Reducing_Electrical_Losses\"><\/span>Reduzir as perdas el\u00e9ctricas<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f921643 elementor-widget elementor-widget-heading\" data-id=\"f921643\" 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\">Onde ocorrem as perdas<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95c8acc elementor-widget elementor-widget-text-editor\" data-id=\"95c8acc\" 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 perdas ocorrem em todo o sistema el\u00e9trico:<\/p><ul><li>Perdas no n\u00facleo e no enrolamento do transformador<\/li><li>Perdas de resist\u00eancia de cabos e condutores<\/li><li>Perdas de comuta\u00e7\u00e3o e de liga\u00e7\u00e3o<\/li><\/ul><p>Todos eles s\u00e3o afectados pelo fluxo de corrente. E como a corrente reactiva contribui para a corrente total, a redu\u00e7\u00e3o da corrente reactiva reduz as perdas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aaa5f41 elementor-widget elementor-widget-heading\" data-id=\"aaa5f41\" 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\">Quantifica\u00e7\u00e3o das poupan\u00e7as<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ed4510 elementor-widget elementor-widget-text-editor\" data-id=\"4ed4510\" 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 redu\u00e7\u00e3o de perdas varia tipicamente entre 2% e 5% do consumo total de energia ap\u00f3s a corre\u00e7\u00e3o adequada do fator de pot\u00eancia. Para instala\u00e7\u00f5es com facturas de eletricidade substanciais, mesmo uma poupan\u00e7a de 3% \u00e9 rapidamente adicionada. Uma f\u00e1brica que gaste anualmente $500.000 em eletricidade pode poupar $15.000 ou mais apenas com a redu\u00e7\u00e3o das perdas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca288c4 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"ca288c4\" 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=\"536\" src=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/10\/capacitor-bank-e1770622248670.webp\" class=\"attachment-full size-full wp-image-932\" alt=\"bateria de condensadores\" \/>\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-f7fe767 elementor-widget elementor-widget-heading\" data-id=\"f7fe767\" 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=\"Motor_and_Equipment_Protection\"><\/span>Prote\u00e7\u00e3o de motores e equipamentos<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bedf87f elementor-widget elementor-widget-heading\" data-id=\"bedf87f\" 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\">Benef\u00edcios da estabilidade da tens\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74b2179 elementor-widget elementor-widget-text-editor\" data-id=\"74b2179\" 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 motores funcionam melhor com a tens\u00e3o nominal. Quando a tens\u00e3o desce durante per\u00edodos de carga pesada, os motores consomem mais corrente para compensar. Esta corrente extra provoca aquecimento, reduz a efici\u00eancia e encurta a vida \u00fatil do motor.<\/p><p>Uma bateria de condensadores fixos ajuda a manter a estabilidade da tens\u00e3o, mantendo os motores a funcionar dentro dos seus par\u00e2metros de conce\u00e7\u00e3o. Os motores duram mais tempo. Funcionam de forma mais eficiente. Os custos de manuten\u00e7\u00e3o diminuem.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97ce723 elementor-widget elementor-widget-heading\" data-id=\"97ce723\" 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\">Corre\u00e7\u00e3o individual do motor<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ca56ee elementor-widget elementor-widget-text-editor\" data-id=\"9ca56ee\" 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 vezes, os condensadores s\u00e3o instalados diretamente nos terminais do motor e n\u00e3o numa localiza\u00e7\u00e3o central. Isto proporciona o m\u00e1ximo benef\u00edcio para esse motor espec\u00edfico e reduz a corrente atrav\u00e9s de toda a cablagem a montante. A corre\u00e7\u00e3o fixa ao n\u00edvel do motor faz especial sentido para:<\/p><ul><li>Grandes motores com cargas constantes<\/li><li>Motores na extremidade de cabos longos<\/li><li>Equipamento cr\u00edtico que requer tens\u00e3o est\u00e1vel<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75ec6ce elementor-widget elementor-widget-heading\" data-id=\"75ec6ce\" 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=\"Utility_System_Applications\"><\/span>Aplica\u00e7\u00f5es de sistemas de utilidade p\u00fablica<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a54f907 elementor-widget elementor-widget-text-editor\" data-id=\"a54f907\" 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>Para al\u00e9m das instala\u00e7\u00f5es individuais, os pr\u00f3prios servi\u00e7os p\u00fablicos utilizam extensivamente as baterias de condensadores fixos.<\/p><p>Os seus objectivos incluem:<\/p><ol><li>Regula\u00e7\u00e3o da tens\u00e3o nos alimentadores de distribui\u00e7\u00e3o<\/li><li>Redu\u00e7\u00e3o de perdas na transmiss\u00e3o e distribui\u00e7\u00e3o<\/li><li>Aumento da capacidade de transfer\u00eancia das linhas el\u00e9ctricas<\/li><li>Apoio \u00e0 tens\u00e3o durante os per\u00edodos de pico de procura<\/li><li>Redu\u00e7\u00e3o das necessidades de produ\u00e7\u00e3o de energia reactiva<\/li><\/ol><p>As baterias de condensadores dos servi\u00e7os p\u00fablicos variam desde pequenas unidades montadas em postes (50-300 kVAr) at\u00e9 grandes instala\u00e7\u00f5es em subesta\u00e7\u00f5es (v\u00e1rios MVAr). Algumas s\u00e3o comutadas sazonalmente ou com base na hora do dia, embora muitas permane\u00e7am fixas durante o seu per\u00edodo de funcionamento.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99b580a elementor-widget elementor-widget-heading\" data-id=\"99b580a\" 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=\"Advantages_of_Fixed_Over_Automatic_Systems\"><\/span>Vantagens dos sistemas fixos em rela\u00e7\u00e3o aos autom\u00e1ticos<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d08015 elementor-widget elementor-widget-text-editor\" data-id=\"1d08015\" 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>Porqu\u00ea escolher uma remunera\u00e7\u00e3o fixa quando existem op\u00e7\u00f5es autom\u00e1ticas?<\/p><p>As raz\u00f5es resumem-se frequentemente a:<\/p><ul><li>Investimento inicial mais baixo<\/li><li>Instala\u00e7\u00e3o e coloca\u00e7\u00e3o em funcionamento mais simples<\/li><li>Necessidades de manuten\u00e7\u00e3o reduzidas<\/li><li>Nenhum controlador pode falhar ou necessitar de programa\u00e7\u00e3o<\/li><li>Maior fiabilidade para cargas est\u00e1veis<\/li><li>Implementa\u00e7\u00e3o mais r\u00e1pida do projeto<\/li><\/ul><p>Os sistemas autom\u00e1ticos oferecem, sem d\u00favida, mais flexibilidade. Mas para aplica\u00e7\u00f5es com cargas consistentes, essa flexibilidade nem sempre \u00e9 necess\u00e1ria. A abordagem fixa mais simples faz o trabalho a um custo mais baixo. Se quiser saber mais sobre baterias de condensadores fixas, leia <a href=\"https:\/\/zmgs-global.com\/pt\/what-is-a-fixed-capacitor-bank.html\/\"><strong>O que \u00e9 uma bateria de condensadores fixos<\/strong><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4beba76 elementor-widget elementor-widget-heading\" data-id=\"4beba76\" 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-23cd9dc elementor-widget elementor-widget-n-accordion\" data-id=\"23cd9dc\" 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-3750\" 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-3750\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Pode uma bateria de condensadores fixos eliminar totalmente as penaliza\u00e7\u00f5es do fator de pot\u00eancia? <\/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-3750\" class=\"elementor-element elementor-element-34c42cb e-con-full e-flex e-con e-child\" data-id=\"34c42cb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3220fd7 elementor-widget elementor-widget-text-editor\" data-id=\"3220fd7\" 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>Uma bateria de condensadores fixos corretamente dimensionada pode eliminar as penaliza\u00e7\u00f5es do fator de pot\u00eancia em instala\u00e7\u00f5es com cargas est\u00e1veis. No entanto, se as cargas variarem significativamente ao longo do dia, a corre\u00e7\u00e3o fixa pode sobrecorrigir durante os per\u00edodos de luz ou subcorrigir durante os picos de procura. As instala\u00e7\u00f5es com cargas altamente vari\u00e1veis necessitam frequentemente de sistemas autom\u00e1ticos para a elimina\u00e7\u00e3o completa das penaliza\u00e7\u00f5es.<\/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-3751\" 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-3751\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\">  Qual o tamanho da bateria de condensadores fixos de que uma instala\u00e7\u00e3o t\u00edpica necessita? <\/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-3751\" class=\"elementor-element elementor-element-6dc17cb e-con-full e-flex e-con e-child\" data-id=\"6dc17cb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a2d1abb elementor-widget elementor-widget-text-editor\" data-id=\"a2d1abb\" 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 dimensionamento depende inteiramente das necessidades de pot\u00eancia reactiva da instala\u00e7\u00e3o. Um pequeno edif\u00edcio comercial pode necessitar de 25-50 kVAr, enquanto as instala\u00e7\u00f5es industriais necessitam frequentemente de centenas ou milhares de kVAr. O dimensionamento adequado requer a medi\u00e7\u00e3o das carater\u00edsticas el\u00e9ctricas reais - n\u00e3o existe uma f\u00f3rmula universal que funcione para todos.<\/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-3752\" 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-3752\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Existem situa\u00e7\u00f5es em que uma bateria de condensadores fixos n\u00e3o deve ser utilizada? <\/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-3752\" class=\"elementor-element elementor-element-56367b3 e-con-full e-flex e-con e-child\" data-id=\"56367b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-64e0b1a elementor-widget elementor-widget-text-editor\" data-id=\"64e0b1a\" 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>Sim. As instala\u00e7\u00f5es com cargas muito vari\u00e1veis correm o risco de sobrecorrec\u00e7\u00e3o durante os per\u00edodos de luz se utilizarem compensa\u00e7\u00e3o fixa. Ambientes com distor\u00e7\u00e3o harm\u00f3nica significativa requerem configura\u00e7\u00f5es especiais de dessintoniza\u00e7\u00e3o. As opera\u00e7\u00f5es que arrancam e param frequentemente motores de grandes dimens\u00f5es podem sobrecarregar excessivamente os bancos fixos. Nestes casos, os sistemas autom\u00e1ticos ou projectos especializados funcionam melhor.<\/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":"The Purpose Behind Fixed Capacitor Bank Applications Electrical systems rarely operate at peak efficiency on their own. Motors, transformers, and various industrial equipment all demand reactive power\u2014power that does no useful work but must still flow through the system. This is where a fixed capacitor bank comes into play. These installations serve multiple purposes in [&hellip;]","protected":false},"author":8,"featured_media":1593,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-2165","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\/2165","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=2165"}],"version-history":[{"count":0,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/posts\/2165\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media\/1593"}],"wp:attachment":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media?parent=2165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/categories?post=2165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/tags?post=2165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}