{"id":2191,"date":"2026-03-03T15:34:16","date_gmt":"2026-03-03T07:34:16","guid":{"rendered":"https:\/\/zmgs-global.com\/?p=2191"},"modified":"2026-03-06T15:35:25","modified_gmt":"2026-03-06T07:35:25","slug":"what-is-svc-used-for","status":"publish","type":"post","link":"https:\/\/zmgs-global.com\/pt\/what-is-svc-used-for.html","title":{"rendered":"Para que \u00e9 utilizado o SVC?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2191\" class=\"elementor elementor-2191\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5c012be e-flex e-con-boxed e-con e-parent\" data-id=\"5c012be\" 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-6752722 elementor-widget elementor-widget-heading\" data-id=\"6752722\" 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-svc-used-for.html\/#Exploring_What_SVC_Technology_Does_in_Power_Systems\" >Explorando o que a tecnologia SVC faz em sistemas de energia<\/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-svc-used-for.html\/#Core_Applications_of_SVC_Systems\" >Principais aplica\u00e7\u00f5es dos sistemas SVC<\/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-svc-used-for.html\/#Flicker_Mitigation_for_Problem_Loads\" >Mitiga\u00e7\u00e3o da tremula\u00e7\u00e3o para cargas problem\u00e1ticas<\/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-svc-used-for.html\/#How_an_SVC_System_Works\" >Como funciona um sistema SVC<\/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-svc-used-for.html\/#Comparing_SVC_with_Alternative_Technologies\" >Compara\u00e7\u00e3o da SVC com tecnologias alternativas<\/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-svc-used-for.html\/#Where_SVC_Installations_Make_the_Most_Sense\" >Onde as instala\u00e7\u00f5es de SVC fazem mais sentido<\/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-svc-used-for.html\/#Maintenance_Considerations_for_SVC_Equipment\" >Considera\u00e7\u00f5es sobre a manuten\u00e7\u00e3o do equipamento SVC<\/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-svc-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=\"Exploring_What_SVC_Technology_Does_in_Power_Systems\"><\/span>Explorando o que a tecnologia SVC faz em sistemas de energia<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2111b33 elementor-widget elementor-widget-text-editor\" data-id=\"2111b33\" 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>Alguns equipamentos funcionam de forma invis\u00edvel. Funciona dia e noite, respondendo a condi\u00e7\u00f5es que a maioria das pessoas nunca nota, prevenindo problemas que, de outra forma, causariam uma verdadeira perturba\u00e7\u00e3o. Os compensadores est\u00e1ticos VAR pertencem a esta categoria.<\/p><p>Um <a href=\"https:\/\/zmgs-global.com\/pt\/products\/panel-cabinet\/\"><strong>SVC<\/strong><\/a> fica em subesta\u00e7\u00f5es ou instala\u00e7\u00f5es industriais, monitorizando as condi\u00e7\u00f5es el\u00e9ctricas e ajustando continuamente a pot\u00eancia reactiva. Quando a tens\u00e3o desce, responde. Quando o fator de pot\u00eancia se desvia, ele corrige. Quando as r\u00e1pidas altera\u00e7\u00f5es de carga amea\u00e7am a estabilidade, o sistema compensa quase instantaneamente.<\/p><p>Na verdade, esta tecnologia existe desde os anos 70. A eletr\u00f3nica de pot\u00eancia baseada em tiristores tornou poss\u00edvel controlar grandes quantidades de pot\u00eancia reactiva sem comuta\u00e7\u00e3o mec\u00e2nica - da\u00ed a designa\u00e7\u00e3o \u201cest\u00e1tica\u201d. Sem pe\u00e7as rotativas. Sem contactores que abrem e fecham constantemente. Apenas dispositivos de estado s\u00f3lido a fazer o trabalho pesado.<\/p><p>Para compreender o que os sistemas SVC realizam \u00e9 necess\u00e1rio compreender a import\u00e2ncia da pot\u00eancia reactiva. E \u00e9 bastante importante, embora n\u00e3o apare\u00e7a diretamente nas facturas de eletricidade da maioria dos consumidores.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7c7d43 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"d7c7d43\" 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=\"580\" height=\"580\" src=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/ZM-SVG-Static-Var-Generator-e1772780131450.jpg\" class=\"attachment-full size-full wp-image-354\" alt=\"Compensador de var\" \/>\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-6904752 elementor-widget elementor-widget-heading\" data-id=\"6904752\" 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=\"Core_Applications_of_SVC_Systems\"><\/span>Principais aplica\u00e7\u00f5es dos sistemas SVC<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-436401e elementor-widget elementor-widget-heading\" data-id=\"436401e\" 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\">Regula\u00e7\u00e3o da tens\u00e3o nas redes<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8cc7ed elementor-widget elementor-widget-text-editor\" data-id=\"e8cc7ed\" 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 transmiss\u00e3o funcionam com toler\u00e2ncias de tens\u00e3o apertadas. Uma tens\u00e3o demasiado baixa significa m\u00e1 qualidade de energia e potencial mau funcionamento do equipamento. Uma tens\u00e3o demasiado elevada pode provocar a rutura do isolamento e uma avaria prematura.<\/p><p>Um SVC mant\u00e9m a tens\u00e3o controlando dinamicamente o fluxo de pot\u00eancia reactiva. A f\u00edsica funciona da seguinte forma: a inje\u00e7\u00e3o de pot\u00eancia reactiva (modo capacitivo) aumenta a tens\u00e3o local, enquanto a absor\u00e7\u00e3o de pot\u00eancia reactiva (modo indutivo) a reduz. O SVC faz ambos, alternando perfeitamente entre os modos conforme as condi\u00e7\u00f5es exigirem.<\/p><p>A resposta ocorre em milissegundos - n\u00e3o os segundos necess\u00e1rios para a comuta\u00e7\u00e3o mec\u00e2nica ou os minutos necess\u00e1rios para os ajustes do gerador. Esta velocidade revela-se essencial durante perturba\u00e7\u00f5es em que, de outra forma, a tens\u00e3o poderia entrar em colapso antes que os controlos mais lentos pudessem reagir.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cb5ba7 elementor-widget elementor-widget-heading\" data-id=\"9cb5ba7\" 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 do fator de pot\u00eancia em instala\u00e7\u00f5es industriais<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f600e08 elementor-widget elementor-widget-text-editor\" data-id=\"f600e08\" 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 ind\u00fastria pesada funciona com motores. E os motores, juntamente com os transformadores e equipamento semelhante, criam um fator de pot\u00eancia de atraso ao retirarem corrente reactiva da alimenta\u00e7\u00e3o. Os servi\u00e7os p\u00fablicos medem este fator e cobram penaliza\u00e7\u00f5es quando o fator de pot\u00eancia desce abaixo dos n\u00edveis aceit\u00e1veis.<\/p><p>A motiva\u00e7\u00e3o financeira, por si s\u00f3, impulsiona muitas instala\u00e7\u00f5es de SVC. Considere uma instala\u00e7\u00e3o que paga milhares de euros por m\u00eas em penalidades de fator de pot\u00eancia. Uma SVC corrige automaticamente o fator de pot\u00eancia em condi\u00e7\u00f5es de carga vari\u00e1veis, eliminando esses encargos essencialmente de um dia para o outro.<\/p><p>Mas os benef\u00edcios v\u00e3o para al\u00e9m da redu\u00e7\u00e3o das facturas:<\/p><ul><li>Menor fluxo de corrente atrav\u00e9s de cabos e transformadores<\/li><li>Redu\u00e7\u00e3o das perdas el\u00e9ctricas em todo o sistema de distribui\u00e7\u00e3o<\/li><li>Aumento da capacidade dispon\u00edvel nas infra-estruturas existentes<\/li><li>Melhor tens\u00e3o nos terminais dos equipamentos<\/li><li>Prolongamento da vida \u00fatil dos componentes sobrecarregados<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e041541 elementor-widget elementor-widget-heading\" data-id=\"e041541\" 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=\"Flicker_Mitigation_for_Problem_Loads\"><\/span>Mitiga\u00e7\u00e3o da tremula\u00e7\u00e3o para cargas problem\u00e1ticas<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e14e259 elementor-widget elementor-widget-text-editor\" data-id=\"e14e259\" 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 fornos de arco causam dores de cabe\u00e7a. O mesmo acontece com grandes motores que arrancam frequentemente, opera\u00e7\u00f5es de soldadura e v\u00e1rias outras cargas flutuantes. Estas criam varia\u00e7\u00f5es r\u00e1pidas de tens\u00e3o que se propagam atrav\u00e9s das redes, causando cintila\u00e7\u00e3o vis\u00edvel na ilumina\u00e7\u00e3o e afectando potencialmente equipamento sens\u00edvel.<\/p><p>Um SVC acompanha estas varia\u00e7\u00f5es r\u00e1pidas e injeta pot\u00eancia reativa de compensa\u00e7\u00e3o para suavizar as flutua\u00e7\u00f5es de tens\u00e3o. A resposta deve ser r\u00e1pida - mais r\u00e1pida do que as altera\u00e7\u00f5es de carga que causam o problema - que \u00e9 exatamente onde a tecnologia baseada em tiristores se destaca.<\/p><p>As siderurgias instalam normalmente sistemas SVC especificamente para controlo da tremula\u00e7\u00e3o. Sem eles, as queixas dos clientes vizinhos criariam problemas cont\u00ednuos nas rela\u00e7\u00f5es com os servi\u00e7os p\u00fablicos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-114765e elementor-widget elementor-widget-heading\" data-id=\"114765e\" 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\">Melhoria da estabilidade da rede<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5235a5b elementor-widget elementor-widget-text-editor\" data-id=\"5235a5b\" 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 funcionam mais perto dos seus limites do que muitos imaginam. As margens de erro diminu\u00edram \u00e0 medida que a procura cresce e a nova gera\u00e7\u00e3o se liga. As preocupa\u00e7\u00f5es com a estabilidade - tanto transit\u00f3rias como relacionadas com a tens\u00e3o - requerem uma gest\u00e3o cuidadosa.<\/p><p>A tecnologia SVC ajuda a fornecer apoio reativo din\u00e2mico durante as perturba\u00e7\u00f5es. Quando ocorrem falhas, uma SVC responde em ciclos para apoiar a recupera\u00e7\u00e3o da tens\u00e3o. Quando grandes cargas disparam subitamente, a SVC ajusta-se para evitar a sobretens\u00e3o. Durante as oscila\u00e7\u00f5es do sistema, os sistemas devidamente sintonizados podem fornecer amortecimento para restaurar a opera\u00e7\u00e3o est\u00e1vel mais rapidamente.<\/p><p>Os servi\u00e7os p\u00fablicos posicionam estes dispositivos estrategicamente em pontos fracos das redes de transmiss\u00e3o, refor\u00e7ando efetivamente a rede sem construir novas linhas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8feafc9 elementor-widget elementor-widget-heading\" data-id=\"8feafc9\" 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=\"How_an_SVC_System_Works\"><\/span>Como funciona um sistema SVC<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b049ba elementor-widget elementor-widget-heading\" data-id=\"8b049ba\" 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\">Os principais blocos de constru\u00e7\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae1270e elementor-widget elementor-widget-text-editor\" data-id=\"ae1270e\" 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 SVC t\u00edpica combina v\u00e1rios elementos:<\/p><ol><li>Reator controlado por tiristor (TCR) para absor\u00e7\u00e3o reactiva continuamente vari\u00e1vel<\/li><li>Baterias de condensadores comutados por tiristores (TSC) para inje\u00e7\u00e3o reactiva escalonada<\/li><li>Baterias de condensadores e filtros fixos para gest\u00e3o de harm\u00f3nicas<\/li><li>Sistema de controlo que processa as medi\u00e7\u00f5es e determina a sa\u00edda<\/li><li>Sistemas de arrefecimento - ar ou \u00e1gua, consoante o tamanho<\/li><li>Monitoriza\u00e7\u00e3o do equipamento de prote\u00e7\u00e3o contra falhas internas<\/li><\/ol><p>A parte TCR utiliza tiristores back-to-back para controlar o fluxo de corrente atrav\u00e9s de grandes reactores. Ajustando o \u00e2ngulo de disparo, a corrente varia suavemente de zero a pot\u00eancia m\u00e1xima. Isto proporciona a variabilidade cont\u00ednua que distingue o SVC das simples baterias de condensadores comutados.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3bfd4f elementor-widget elementor-widget-heading\" data-id=\"a3bfd4f\" 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\">Filosofia de controlo<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ec1d359 elementor-widget elementor-widget-text-editor\" data-id=\"ec1d359\" 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 controladores SVC modernos medem a tens\u00e3o, a corrente e o fator de pot\u00eancia a partir do ponto de liga\u00e7\u00e3o. Os algoritmos calculam a sa\u00edda necess\u00e1ria com base nessas medi\u00e7\u00f5es e nos pontos de ajuste programados.<\/p><p>O circuito de controlo funciona continuamente:<\/p><ul><li>Amostragem de quantidades el\u00e9ctricas v\u00e1rias vezes por ciclo<\/li><li>Calcular o ponto de funcionamento atual<\/li><li>Comparar com o ponto de funcionamento pretendido<\/li><li>Determinar a altera\u00e7\u00e3o de pot\u00eancia reactiva necess\u00e1ria<\/li><li>Enviar comandos de disparo aos tiristores<\/li><li>Verificar a resposta e ajustar conforme necess\u00e1rio<\/li><\/ul><p>Normalmente, existem v\u00e1rios modos de controlo. O modo de regula\u00e7\u00e3o da tens\u00e3o mant\u00e9m a tens\u00e3o especificada. O modo de fator de pot\u00eancia visa um fator de pot\u00eancia espec\u00edfico. O modo VAR mant\u00e9m a pot\u00eancia reactiva constante. Os operadores selecionam os modos com base nos requisitos operacionais.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb2acd0 elementor-widget elementor-widget-heading\" data-id=\"cb2acd0\" 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=\"Comparing_SVC_with_Alternative_Technologies\"><\/span>Compara\u00e7\u00e3o da SVC com tecnologias alternativas<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a2803c elementor-widget elementor-widget-text-editor\" data-id=\"8a2803c\" 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>Carater\u00edstica<\/b><\/strong><\/p><\/td><td><p><strong><b>SVC<\/b><\/strong><\/p><\/td><td><p><strong><b>STATCOM<\/b><\/strong><\/p><\/td><td><p><strong><b>Condensadores comutados<\/b><\/strong><\/p><\/td><\/tr><tr><td><p>Tempo de resposta<\/p><\/td><td><p>20-30 ms<\/p><\/td><td><p>5-10 ms<\/p><\/td><td><p>Segundos<\/p><\/td><\/tr><tr><td><p>Gama de sa\u00edda<\/p><\/td><td><p>Ampla, cont\u00ednua<\/p><\/td><td><p>Ampla, cont\u00ednua<\/p><\/td><td><p>Apenas escalonado<\/p><\/td><\/tr><tr><td><p>Desempenho a baixa tens\u00e3o<\/p><\/td><td><p>Reduzido<\/p><\/td><td><p>Atualizado<\/p><\/td><td><p>Reduzido<\/p><\/td><\/tr><tr><td><p>Gera\u00e7\u00e3o de harm\u00f3nicas<\/p><\/td><td><p>Alguns (TCR)<\/p><\/td><td><p>M\u00ednimo<\/p><\/td><td><p>Nenhum<\/p><\/td><\/tr><tr><td><p>Necessidade de espa\u00e7o<\/p><\/td><td><p>Grande<\/p><\/td><td><p>Compacto<\/p><\/td><td><p>Moderado<\/p><\/td><\/tr><tr><td><p>Custo por MVAR<\/p><\/td><td><p>M\u00e9dio<\/p><\/td><td><p>Mais alto<\/p><\/td><td><p>Inferior<\/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-c838d20 elementor-widget elementor-widget-text-editor\" data-id=\"c838d20\" 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>Cada tecnologia adapta-se a diferentes aplica\u00e7\u00f5es. Uma SVC oferece fiabilidade comprovada e um custo razo\u00e1vel para a maioria das necessidades industriais e de servi\u00e7os p\u00fablicos. O STATCOM oferece um desempenho superior onde a velocidade e a \u00e1rea de cobertura s\u00e3o mais importantes. Os condensadores comutados lidam com cargas est\u00e1veis de forma econ\u00f3mica, mas n\u00e3o t\u00eam capacidade din\u00e2mica.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b1e354 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"7b1e354\" 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\/DGFC-Series-Reactive-power-auto-compen-sation-controllerstate-1.webp\" class=\"attachment-full size-full wp-image-2012\" alt=\"Controlador de compensa\u00e7\u00e3o de pot\u00eancia reactiva DGFC\" srcset=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/DGFC-Series-Reactive-power-auto-compen-sation-controllerstate-1.webp 800w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/DGFC-Series-Reactive-power-auto-compen-sation-controllerstate-1-150x150.webp 150w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/DGFC-Series-Reactive-power-auto-compen-sation-controllerstate-1-768x768.webp 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-c41a7ef elementor-widget elementor-widget-heading\" data-id=\"c41a7ef\" 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=\"Where_SVC_Installations_Make_the_Most_Sense\"><\/span>Onde as instala\u00e7\u00f5es de SVC fazem mais sentido<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1aa48cb elementor-widget elementor-widget-heading\" data-id=\"1aa48cb\" 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\">Subesta\u00e7\u00f5es de transmiss\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de087e9 elementor-widget elementor-widget-text-editor\" data-id=\"de087e9\" 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 pontos fracos da rede s\u00e3o os que mais beneficiam do suporte din\u00e2mico de tens\u00e3o. Os longos corredores de transmiss\u00e3o, os pontos de interconex\u00e3o entre sistemas e as zonas com produ\u00e7\u00e3o limitada s\u00e3o frequentemente objeto de instala\u00e7\u00f5es de SVC.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c08f8d2 elementor-widget elementor-widget-heading\" data-id=\"c08f8d2\" 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\">Instala\u00e7\u00f5es industriais pesadas<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d310cb elementor-widget elementor-widget-text-editor\" data-id=\"7d310cb\" 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>F\u00e1bricas de a\u00e7o, fundi\u00e7\u00f5es de alum\u00ednio, opera\u00e7\u00f5es de minera\u00e7\u00e3o e grandes complexos de produ\u00e7\u00e3o instalam frequentemente sistemas SVC. A combina\u00e7\u00e3o da corre\u00e7\u00e3o do fator de pot\u00eancia, do controlo da tremula\u00e7\u00e3o e da melhoria da tens\u00e3o responde simultaneamente a v\u00e1rias necessidades.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13b1c15 elementor-widget elementor-widget-heading\" data-id=\"13b1c15\" 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\">Pontos de integra\u00e7\u00e3o de energias renov\u00e1veis<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a66002 elementor-widget elementor-widget-text-editor\" data-id=\"7a66002\" 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 parques e\u00f3licos e as instala\u00e7\u00f5es solares necessitam de capacidade de pot\u00eancia reactiva para cumprir os c\u00f3digos da rede. Embora os inversores modernos forne\u00e7am alguma capacidade, podem ser necess\u00e1rios sistemas SVC suplementares para grandes instala\u00e7\u00f5es ou liga\u00e7\u00f5es de rede fracas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c05814 elementor-widget elementor-widget-heading\" data-id=\"0c05814\" 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\">Sistemas de tra\u00e7\u00e3o ferrovi\u00e1ria<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-352868d elementor-widget elementor-widget-text-editor\" data-id=\"352868d\" 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 caminhos-de-ferro el\u00e9ctricos criam cargas altamente vari\u00e1veis e por vezes desequilibradas. A instala\u00e7\u00e3o de um SVC nas subesta\u00e7\u00f5es de tra\u00e7\u00e3o suaviza estas varia\u00e7\u00f5es e mant\u00e9m uma qualidade de energia aceit\u00e1vel para os clientes das empresas vizinhas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e8d682 elementor-widget elementor-widget-heading\" data-id=\"7e8d682\" 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=\"Maintenance_Considerations_for_SVC_Equipment\"><\/span>Considera\u00e7\u00f5es sobre a manuten\u00e7\u00e3o do equipamento SVC<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-256b384 elementor-widget elementor-widget-text-editor\" data-id=\"256b384\" 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>Estes sistemas requerem uma aten\u00e7\u00e3o regular para manter a fiabilidade:<\/p><ul><li>Os sistemas de arrefecimento de tiristores necessitam de uma inspe\u00e7\u00e3o peri\u00f3dica<\/li><li>As baterias de condensadores degradam-se com o tempo e necessitam de ser testadas<\/li><li>O software do sistema de controlo pode necessitar de actualiza\u00e7\u00f5es<\/li><li>Os componentes do filtro requerem monitoriza\u00e7\u00e3o do estado<\/li><li>As defini\u00e7\u00f5es de prote\u00e7\u00e3o devem ser revistas periodicamente<\/li><\/ul><p>As instala\u00e7\u00f5es bem conservadas funcionam normalmente durante 25 a 30 anos. Os sistemas negligenciados falham mais cedo e muitas vezes nas piores alturas poss\u00edveis. Se quiser saber mais sobre SVC, leia <a href=\"https:\/\/zmgs-global.com\/pt\/what-is-a-var-compensator-used-for.html\/\"><strong>Para que \u00e9 utilizado um compensador VAR<\/strong><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72b857a elementor-widget elementor-widget-heading\" data-id=\"72b857a\" 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-bdd4fd2 elementor-widget elementor-widget-n-accordion\" data-id=\"bdd4fd2\" 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-1990\" 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-1990\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> O que significa SVC em engenharia el\u00e9ctrica? <\/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-1990\" class=\"elementor-element elementor-element-05f2037 e-con-full e-flex e-con e-child\" data-id=\"05f2037\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e435c43 elementor-widget elementor-widget-text-editor\" data-id=\"e435c43\" 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>SVC significa Compensador VAR Est\u00e1tico. \u201cEst\u00e1tico\u201d indica que n\u00e3o h\u00e1 partes m\u00f3veis (ao contr\u00e1rio dos condensadores s\u00edncronos), enquanto \u201cVAR\u201d se refere a Volt-Ampere Reativo, a unidade que mede a pot\u00eancia reactiva que estes sistemas controlam.<\/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-1991\" 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-1991\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Com que rapidez um SVC pode responder \u00e0s mudan\u00e7as de tens\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-1991\" class=\"elementor-element elementor-element-565ec1d e-con-full e-flex e-con e-child\" data-id=\"565ec1d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9e457b elementor-widget elementor-widget-text-editor\" data-id=\"d9e457b\" 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 tempos de resposta t\u00edpicos variam entre 20 e 30 milissegundos para uma altera\u00e7\u00e3o total da sa\u00edda. Isto \u00e9 suficientemente r\u00e1pido para a maioria das perturba\u00e7\u00f5es da rede, mas \u00e9 mais lento do que a mais recente tecnologia STATCOM, que responde em 5-10 milissegundos.<\/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-1992\" 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-1992\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Um SVC \u00e9 o mesmo que uma bateria de condensadores? <\/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-1992\" class=\"elementor-element elementor-element-79cc5dd e-con-full e-flex e-con e-child\" data-id=\"79cc5dd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9ab1ed3 elementor-widget elementor-widget-text-editor\" data-id=\"9ab1ed3\" 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>N\u00e3o. Os bancos de condensadores fornecem pot\u00eancia reactiva fixa ou comutada em passos discretos. Um SVC fornece pot\u00eancia reactiva continuamente vari\u00e1vel que pode tanto injetar como absorver VARs, com uma resposta muito mais r\u00e1pida e controlo autom\u00e1tico baseado nas condi\u00e7\u00f5es do sistema.<\/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":"Exploring What SVC Technology Does in Power Systems Some equipment works invisibly. It operates day and night, responding to conditions most people never notice, preventing problems that would otherwise cause real disruption. Static VAR Compensators fall into this category. An SVC sits at substations or industrial facilities, monitoring electrical conditions and adjusting reactive power output [&hellip;]","protected":false},"author":8,"featured_media":354,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-2191","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\/2191","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=2191"}],"version-history":[{"count":0,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/posts\/2191\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media\/354"}],"wp:attachment":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media?parent=2191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/categories?post=2191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/tags?post=2191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}