{"id":2154,"date":"2026-02-21T14:18:14","date_gmt":"2026-02-21T06:18:14","guid":{"rendered":"https:\/\/zmgs-global.com\/?p=2154"},"modified":"2026-02-26T11:13:46","modified_gmt":"2026-02-26T03:13:46","slug":"what-is-a-shunt-capacitor-bank","status":"publish","type":"post","link":"https:\/\/zmgs-global.com\/pt\/what-is-a-shunt-capacitor-bank.html","title":{"rendered":"O que \u00e9 um banco de condensadores de deriva\u00e7\u00e3o?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2154\" class=\"elementor elementor-2154\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5bcf918 e-flex e-con-boxed e-con e-parent\" data-id=\"5bcf918\" 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-409cb2d elementor-widget elementor-widget-text-editor\" data-id=\"409cb2d\" 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 de energia el\u00e9ctrica enfrentam desafios constantes com a gest\u00e3o da energia reactiva. Motores, transformadores e outros equipamentos indutivos exigem corrente reactiva que sobrecarrega a rede sem realizar trabalho \u00fatil. A solu\u00e7\u00e3o mais comummente utilizada? A <a href=\"https:\/\/zmgs-global.com\/pt\/products\/\"><strong>banco de condensadores de deriva\u00e7\u00e3o<\/strong><\/a>.<\/p><p>O termo \u201cshunt\u201d refere-se simplesmente \u00e0 forma como os condensadores se ligam - em paralelo com a carga ou sistema, em vez de em s\u00e9rie com ele. Esta liga\u00e7\u00e3o em paralelo define a forma como o equipamento funciona e os benef\u00edcios que proporciona. Embora o conceito pare\u00e7a b\u00e1sico, as baterias de condensadores shunt desempenham fun\u00e7\u00f5es cr\u00edticas em aplica\u00e7\u00f5es industriais e de servi\u00e7os p\u00fablicos em todo o mundo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a210a2d elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"a210a2d\" 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=\"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-03d69bc elementor-widget elementor-widget-heading\" data-id=\"03d69bc\" 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-shunt-capacitor-bank.html\/#How_a_Shunt_Capacitor_Bank_Works\" >Como funciona um banco de condensadores de deriva\u00e7\u00e3o<\/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-shunt-capacitor-bank.html\/#Shunt_Capacitor_Bank_Applications_and_Benefits\" >Aplica\u00e7\u00f5es e benef\u00edcios do banco de condensadores de deriva\u00e7\u00e3o<\/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-shunt-capacitor-bank.html\/#FAQ\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"How_a_Shunt_Capacitor_Bank_Works\"><\/span> Como funciona um banco de condensadores de deriva\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-63427ec elementor-widget elementor-widget-heading\" data-id=\"63427ec\" 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 princ\u00edpio b\u00e1sico de funcionamento<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdeafec elementor-widget elementor-widget-text-editor\" data-id=\"bdeafec\" 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>Um banco de condensadores shunt liga-se atrav\u00e9s da linha de alimenta\u00e7\u00e3o, criando um caminho paralelo que extrai a corrente principal da fonte. Esta corrente principal compensa a corrente de atraso que as cargas indutivas requerem. O efeito l\u00edquido reduz a corrente reactiva total que flui da fonte.<\/p><p>Porque \u00e9 que isto \u00e9 importante? A corrente reactiva ocupa a capacidade de transmiss\u00e3o sem fornecer energia \u00fatil. Aumenta as perdas nos cabos, transformadores e geradores. Ao fornecer energia reactiva localmente atrav\u00e9s de uma bateria de condensadores shunt, os sistemas funcionam de forma mais eficiente. Menos corrente flui atrav\u00e9s do equipamento a montante para o mesmo fornecimento de energia real.<\/p><p>A f\u00edsica \u00e9 bastante simples. Os condensadores armazenam e libertam energia de forma alternada, 90 graus fora de fase com a tens\u00e3o. Os indutores fazem o mesmo, mas com rela\u00e7\u00e3o de fase oposta. A combina\u00e7\u00e3o de ambos cria um cancelamento parcial ou total da corrente reactiva.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b010c85 elementor-widget elementor-widget-heading\" data-id=\"b010c85\" 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\">Fun\u00e7\u00e3o de suporte de tens\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-722c8ef elementor-widget elementor-widget-text-editor\" data-id=\"722c8ef\" 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 da corre\u00e7\u00e3o do fator de pot\u00eancia, uma bateria de condensadores de deriva\u00e7\u00e3o fornece suporte de tens\u00e3o - por vezes como o seu objetivo principal. A tens\u00e3o tende a cair em condi\u00e7\u00f5es de carga pesada devido \u00e0 procura de pot\u00eancia reactiva. Os condensadores contrariam esta queda injectando pot\u00eancia reactiva no sistema.<\/p><div class=\"ds-message _63c77b1\"><div class=\"ds-markdown\"><p class=\"ds-markdown-paragraph\">Enquanto os servi\u00e7os p\u00fablicos instalam grandes bancos de condensadores em pontos estrat\u00e9gicos das redes de distribui\u00e7\u00e3o para regula\u00e7\u00e3o da tens\u00e3o, o mesmo princ\u00edpio aplica-se ao n\u00edvel das instala\u00e7\u00f5es. A\u00a0<a href=\"https:\/\/zmgs-global.com\/pt\/products\/low-voltage-power-capacitor\/\"><strong>condensador de pot\u00eancia de baixa tens\u00e3o<\/strong><\/a> O banco pode ser instalado na infraestrutura el\u00e9ctrica de uma f\u00e1brica ou edif\u00edcio para manter n\u00edveis de tens\u00e3o aceit\u00e1veis durante os per\u00edodos de pico de procura, evitando quedas abaixo dos limites operacionais. Isto cria o efeito de ter uma fonte de energia reactiva local, reduzindo a depend\u00eancia de a retirar da rede a montante e melhorando a estabilidade geral da tens\u00e3o perto da carga.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3e66fb elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"a3e66fb\" 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\/12\/Low-Voltage-Power-Capacitor.webp\" class=\"attachment-full size-full wp-image-1597\" alt=\"Condensador de pot\u00eancia de baixa tens\u00e3o\" srcset=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/Low-Voltage-Power-Capacitor.webp 800w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/Low-Voltage-Power-Capacitor-150x150.webp 150w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/Low-Voltage-Power-Capacitor-768x768.webp 768w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/elementor\/thumbs\/Low-Voltage-Power-Capacitor-rg7ziya89az9jg0d8ezobcubseikkhnrdzhwchz1k0.webp 400w\" 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-90d16a9 elementor-widget elementor-widget-heading\" data-id=\"90d16a9\" 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=\"Shunt_Capacitor_Bank_Applications_and_Benefits\"><\/span>Aplica\u00e7\u00f5es e benef\u00edcios do banco de condensadores de deriva\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-caea66e elementor-widget elementor-widget-heading\" data-id=\"caea66e\" 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\">Locais de instala\u00e7\u00e3o comuns<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-03e10d2 elementor-widget elementor-widget-text-editor\" data-id=\"03e10d2\" 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 de deriva\u00e7\u00e3o aparecem em toda a infraestrutura el\u00e9ctrica em v\u00e1rios n\u00edveis de tens\u00e3o:<\/p><ul><li>Subesta\u00e7\u00f5es de servi\u00e7os p\u00fablicos para apoio \u00e0 transmiss\u00e3o e distribui\u00e7\u00e3o<\/li><li>Quadros de distribui\u00e7\u00e3o principais de instala\u00e7\u00f5es industriais para corre\u00e7\u00e3o em toda a instala\u00e7\u00e3o<\/li><li>Terminais individuais do motor para compensa\u00e7\u00e3o direcionada<\/li><li>Unidades montadas em postes nos alimentadores de distribui\u00e7\u00e3o<\/li><li>Salas el\u00e9ctricas de grandes edif\u00edcios comerciais<\/li><\/ul><p>A localiza\u00e7\u00e3o afecta o dimensionamento, os requisitos de prote\u00e7\u00e3o e a estrat\u00e9gia operacional. Um banco de subesta\u00e7\u00e3o de uma empresa de servi\u00e7os p\u00fablicos pode conter milhares de kVAr em v\u00e1rios est\u00e1gios de comuta\u00e7\u00e3o. Uma instala\u00e7\u00e3o de terminal de motor pode ser uma \u00fanica unidade pequena.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ec78e07 elementor-widget elementor-widget-heading\" data-id=\"ec78e07\" 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\">Resumo das principais vantagens<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0db2b84 elementor-widget elementor-widget-text-editor\" data-id=\"0db2b84\" 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>Categoria de presta\u00e7\u00f5es<\/b><\/strong><\/p><\/td><td><p><strong><b>Melhoria espec\u00edfica<\/b><\/strong><\/p><\/td><td><p><strong><b>Impacto t\u00edpico<\/b><\/strong><\/p><\/td><\/tr><tr><td><p>Fator de pot\u00eancia<\/p><\/td><td><p>Corre\u00e7\u00e3o de desfasamento para quase unidade<\/p><\/td><td><p>15-30% redu\u00e7\u00e3o da procura reactiva<\/p><\/td><\/tr><tr><td><p>Regula\u00e7\u00e3o da tens\u00e3o<\/p><\/td><td><p>Apoio em caso de carga pesada<\/p><\/td><td><p>2-5% melhoria da tens\u00e3o<\/p><\/td><\/tr><tr><td><p>Perdas no sistema<\/p><\/td><td><p>Redu\u00e7\u00e3o do fluxo de corrente<\/p><\/td><td><p>5-15% redu\u00e7\u00e3o de perdas<\/p><\/td><\/tr><tr><td><p>Capacidade do equipamento<\/p><\/td><td><p>Capacidade de transmiss\u00e3o libertada<\/p><\/td><td><p>Maior transfer\u00eancia de pot\u00eancia real<\/p><\/td><\/tr><tr><td><p>Encargos com servi\u00e7os p\u00fablicos<\/p><\/td><td><p>Evitar penaliza\u00e7\u00f5es do fator de pot\u00eancia<\/p><\/td><td><p>Poupan\u00e7as de custos significativas<\/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-f341386 elementor-widget elementor-widget-heading\" data-id=\"f341386\" 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\">Requisitos de prote\u00e7\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac1d4d8 elementor-widget elementor-widget-text-editor\" data-id=\"ac1d4d8\" 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 shunt necessitam de sistemas de prote\u00e7\u00e3o que correspondam \u00e0s suas carater\u00edsticas de funcionamento:<\/p><ol><li>Prote\u00e7\u00e3o de sobreintensidade para condi\u00e7\u00f5es de falha<\/li><li>Prote\u00e7\u00e3o contra sobretens\u00e3o contra tens\u00e3o excessiva<\/li><li>Dete\u00e7\u00e3o de desequil\u00edbrio para falhas de elementos internos<\/li><li>Bloqueio de subtens\u00e3o que impede a energiza\u00e7\u00e3o inadequada<\/li><li>Gest\u00e3o de inrush para transientes de comuta\u00e7\u00e3o<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7642a17 elementor-widget elementor-widget-heading\" data-id=\"7642a17\" 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-48633af elementor-widget elementor-widget-n-accordion\" data-id=\"48633af\" 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-7590\" 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-7590\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Onde \u00e9 que as baterias de condensadores de deriva\u00e7\u00e3o s\u00e3o normalmente instaladas? <\/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-7590\" class=\"elementor-element elementor-element-f1ca51b e-con-full e-flex e-con e-child\" data-id=\"f1ca51b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e595992 elementor-widget elementor-widget-text-editor\" data-id=\"e595992\" 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 locais de instala\u00e7\u00e3o abrangem toda a hierarquia do sistema el\u00e9trico. As empresas de servi\u00e7os p\u00fablicos instalam grandes bancos de condensadores de deriva\u00e7\u00e3o nas subesta\u00e7\u00f5es de transmiss\u00e3o e nas subesta\u00e7\u00f5es de distribui\u00e7\u00e3o para suporte da tens\u00e3o em todo o sistema e gest\u00e3o da energia reactiva. Nas instala\u00e7\u00f5es industriais, as instala\u00e7\u00f5es ocorrem normalmente na entrada de servi\u00e7o principal para corre\u00e7\u00e3o global do fator de pot\u00eancia, embora a instala\u00e7\u00e3o distribu\u00edda em centros de controlo de motores ou cargas individuais proporcione benef\u00edcios adicionais. Os edif\u00edcios comerciais localizam frequentemente as baterias de condensadores de deriva\u00e7\u00e3o nas salas el\u00e9ctricas principais, ao lado dos quadros de distribui\u00e7\u00e3o.<\/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-7591\" 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-7591\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Quantos fornecedores devo comparar antes de tomar uma decis\u00e3o? <\/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-7591\" class=\"elementor-element elementor-element-f77d039 e-con-full e-flex e-con e-child\" data-id=\"f77d039\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9945b95 elementor-widget elementor-widget-text-editor\" data-id=\"9945b95\" 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 adequado requer a compreens\u00e3o das necessidades reais de pot\u00eancia reactiva em todas as condi\u00e7\u00f5es de funcionamento. O simples c\u00e1lculo da pot\u00eancia do motor ligado e a aplica\u00e7\u00e3o de um fator de corre\u00e7\u00e3o gen\u00e9rico produz apenas estimativas aproximadas. Um dimensionamento mais preciso envolve uma an\u00e1lise do sistema de energia que mede a pot\u00eancia real e reactiva sob v\u00e1rias condi\u00e7\u00f5es de carga, determinando depois qual a compensa\u00e7\u00e3o que leva o fator de pot\u00eancia aos n\u00edveis pretendidos sem sobrecorrec\u00e7\u00e3o durante os per\u00edodos de carga leve. Bancos de capacitores shunt superdimensionados empurram o fator de pot\u00eancia para o territ\u00f3rio de lideran\u00e7a, potencialmente causando sobretens\u00e3o e incorrendo em penalidades de algumas concession\u00e1rias.<\/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-7592\" 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-7592\" >\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 as causas das falhas das baterias de condensadores de deriva\u00e7\u00e3o? <\/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-7592\" class=\"elementor-element elementor-element-8594610 e-con-full e-flex e-con e-child\" data-id=\"8594610\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-835c7a8 elementor-widget elementor-widget-text-editor\" data-id=\"835c7a8\" 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 a falha prematura. O stress da sobretens\u00e3o - quer seja devido a condi\u00e7\u00f5es de estado estacion\u00e1rio ou a eventos transit\u00f3rios - degrada progressivamente o isolamento diel\u00e9trico at\u00e9 ocorrer a rutura. As correntes harm\u00f3nicas de cargas n\u00e3o lineares aumentam o aquecimento para al\u00e9m dos limites de projeto e podem provocar condi\u00e7\u00f5es de resson\u00e2ncia prejudiciais. As opera\u00e7\u00f5es de comuta\u00e7\u00e3o frequentes desgastam os contactores e desgastam os elementos dos condensadores atrav\u00e9s da exposi\u00e7\u00e3o repetida a correntes de inrush.<\/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":"Electrical power systems face constant challenges with reactive power management. Motors, transformers, and other inductive equipment demand reactive current that burdens the grid without performing useful work. The solution most commonly deployed? A shunt capacitor bank. The term &#8220;shunt&#8221; simply refers to how the capacitors connect \u2014 in parallel with the load or system, rather [&hellip;]","protected":false},"author":8,"featured_media":1391,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-2154","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\/2154","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=2154"}],"version-history":[{"count":0,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/posts\/2154\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media\/1391"}],"wp:attachment":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media?parent=2154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/categories?post=2154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/tags?post=2154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}