{"id":2111,"date":"2025-10-21T03:02:15","date_gmt":"2025-10-21T03:02:15","guid":{"rendered":"https:\/\/www.ktechsolar.com\/?post_type=case&#038;p=2111"},"modified":"2025-10-21T05:27:03","modified_gmt":"2025-10-21T05:27:03","slug":"two-5kw-off-grid-inverters-10kwh-lithium-batteries-build-a-high-efficiency-household-off-grid-system","status":"publish","type":"case","link":"https:\/\/www.ktechsolar.com\/pt\/case\/two-5kw-off-grid-inverters-10kwh-lithium-batteries-build-a-high-efficiency-household-off-grid-system\/","title":{"rendered":"Dois inversores fora da rede de 5KW + baterias de l\u00edtio de 10KWH criam um sistema dom\u00e9stico fora da rede de alta efici\u00eancia"},"content":{"rendered":"<p><strong>[Antecedentes do cliente]<\/strong><\/p>\n<p>Cidade costeira tropical: Faltas de energia frequentes, facturas elevadas, depend\u00eancia m\u00e9dica<\/p>\n<p>Numa cidade costeira de clima quente, perto do equador, um agregado familiar de tr\u00eas gera\u00e7\u00f5es, composto por sete pessoas, enfrentava cortes de energia di\u00e1rios de 3 a 4 horas. Dois membros idosos necessitavam de concentradores de oxig\u00e9nio, enquanto tr\u00eas crian\u00e7as em idade escolar precisavam de energia constante para estudar. Os aparelhos de ar condicionado, as m\u00e1quinas de oxig\u00e9nio e os computadores funcionavam quase 24 horas por dia, 7 dias por semana. O ru\u00eddo do gerador a gas\u00f3leo perturbava o sono e as facturas mensais ultrapassavam os $400. A fam\u00edlia precisava urgentemente de um sistema para lidar com cargas simult\u00e2neas de alta pot\u00eancia e eliminar a depend\u00eancia do gas\u00f3leo.<\/p>\n<p><strong>[Filosofia do design].<\/strong><\/p>\n<p>Inversores duplos + armazenamento de alta capacidade: A Ktech Energy construiu um centro de energia com \u201cinversor duplo e armazenamento elevado\u201d com equil\u00edbrio din\u00e2mico de carga e reservas de emerg\u00eancia:<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-2116 size-full\" src=\"https:\/\/www.ktechsolar.com\/wp-content\/uploads\/2025\/10\/5-940294-1.webp\" alt=\"\" width=\"771\" height=\"1055\" srcset=\"https:\/\/www.ktechsolar.com\/wp-content\/uploads\/2025\/10\/5-940294-1.webp 771w, https:\/\/www.ktechsolar.com\/wp-content\/uploads\/2025\/10\/5-940294-1-768x1051.webp 768w, https:\/\/www.ktechsolar.com\/wp-content\/uploads\/2025\/10\/5-940294-1-9x12.webp 9w\" sizes=\"(max-width: 771px) 100vw, 771px\" \/><\/p>\n<p>Proposta de configura\u00e7\u00e3o do produto Ktech<\/p>\n<table style=\"width: 100%;\" border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr class=\"firstRow\" style=\"height: 18px;\">\n<td style=\"padding: 0px 7px; border-width: 1px; border-color: #000000;\" colspan=\"5\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\" width=\"593\">Solu\u00e7\u00e3o ESS<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"padding: 0 7px; border-left-width: 1px; border-left-color: #000000; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">N\u00e3o.<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top-width: 1px; border-top-color: #000000; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">Equipamento<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top-width: 1px; border-top-color: #000000; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">Modo<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top-width: 1px; border-top-color: #000000; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">Quantidade<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top-width: 1px; border-top-color: #000000; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">Justifica\u00e7\u00e3o da configura\u00e7\u00e3o<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"padding: 0 7px; border-left-width: 1px; border-left-color: #000000; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">1<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">Painel solar<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">550W<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">16<\/td>\n<td style=\"padding: 0px 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" width=\"268\">16\u00d7550W pain\u00e9is (8,8kW total) instalados em telhados e estruturas de sombra, cobrindo o consumo di\u00e1rio com o excedente armazenado.<\/td>\n<\/tr>\n<tr style=\"height: 90px;\">\n<td style=\"padding: 0 7px; border-left-width: 1px; border-left-color: #000000; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">2<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">Inversor<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">KE-5K5L1EF<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">2<\/td>\n<td style=\"padding: 0px 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" width=\"268\">2 inversores h\u00edbridos Ktech de 5,5 kW em paralelo suportam 3 ACs de 3HP, 2 concentradores de oxig\u00e9nio e ilumina\u00e7\u00e3o de toda a casa.<\/td>\n<\/tr>\n<tr style=\"height: 97px;\">\n<td style=\"padding: 0 7px; border-left-width: 1px; border-left-color: #000000; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">3<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">Bateria<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">ESS NP-WG10<\/td>\n<td style=\"padding: 0 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" nowrap=\"nowrap\">1<\/td>\n<td style=\"padding: 0px 7px; border-left: none; border-right-width: 1px; border-right-color: #000000; border-top: none; border-bottom-width: 1px; border-bottom-color: #000000;\" align=\"center\" valign=\"middle\" width=\"268\">1\u00d7Bateria Ktech NP-WG10 (10kWh, 80% DoD) assegura o funcionamento noturno, dando prioridade aos concentradores de oxig\u00e9nio durante mais de 48 horas em caso de falha de energia.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>[Filosofia do design].<\/strong><\/p>\n<p>Previs\u00e3o de dados hist\u00f3ricos + Controlo por voz: Os principais dispositivos permanecem online em condi\u00e7\u00f5es climat\u00e9ricas extremas<\/p>\n<p>O sistema utiliza o \u201cequil\u00edbrio din\u00e2mico\u201d: a energia solar carrega primeiro a bateria at\u00e9 70% e depois alimenta as cargas diurnas. Ao p\u00f4r do sol, passa para o armazenamento, com o sistema de gest\u00e3o da bateria a dar prioridade \u00e0s cargas cr\u00edticas, como m\u00e1quinas de oxig\u00e9nio e frigor\u00edficos. Durante os dias nublados, os dados hist\u00f3ricos prev\u00eaem as reservas, atribuindo 20% como reserva de emerg\u00eancia. Os utilizadores ajustam as defini\u00e7\u00f5es atrav\u00e9s de aplica\u00e7\u00f5es.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-2117 size-full\" src=\"https:\/\/www.ktechsolar.com\/wp-content\/uploads\/2025\/10\/6-899557-1.webp\" alt=\"\" width=\"734\" height=\"988\" srcset=\"https:\/\/www.ktechsolar.com\/wp-content\/uploads\/2025\/10\/6-899557-1.webp 734w, https:\/\/www.ktechsolar.com\/wp-content\/uploads\/2025\/10\/6-899557-1-9x12.webp 9w\" sizes=\"(max-width: 734px) 100vw, 734px\" \/><\/p>\n<p><strong>[Feedback do cliente].<\/strong><\/p>\n<p>\u201cAs contas ca\u00edram 80%, as m\u00e1quinas de oxig\u00e9nio nunca param, a era diesel acabou!\u201d<\/p>\n<p>\u201cDurante as interrup\u00e7\u00f5es, o caos transformou-se em calma - at\u00e9 as crian\u00e7as verificam os n\u00edveis da bateria atrav\u00e9s do assistente de voz!\u201d Ap\u00f3s a instala\u00e7\u00e3o, as facturas ca\u00edram a pique e o ru\u00eddo do gas\u00f3leo desapareceu. \u201cOs inversores da Ktech s\u00e3o motores impar\u00e1veis. As m\u00e1quinas de oxig\u00e9nio n\u00e3o falharam um segundo e as crian\u00e7as estudam sem medo de apag\u00f5es.\u201d<\/p>","protected":false},"excerpt":{"rendered":"<p>Cidade costeira tropical: Faltas de energia frequentes, facturas elevadas, depend\u00eancia m\u00e9dica<br \/>\nNuma cidade costeira de clima quente, perto do equador, um agregado familiar de tr\u00eas gera\u00e7\u00f5es, composto por sete pessoas, enfrentava cortes de energia di\u00e1rios de 3 a 4 horas. Dois membros idosos necessitavam de concentradores de oxig\u00e9nio, enquanto tr\u00eas crian\u00e7as em idade escolar precisavam de energia constante para estudar. Os aparelhos de ar condicionado, as m\u00e1quinas de oxig\u00e9nio e os computadores funcionavam quase 24 horas por dia, 7 dias por semana. O ru\u00eddo do gerador a gas\u00f3leo perturbava o sono e as facturas mensais ultrapassavam os $400. A fam\u00edlia precisava urgentemente de um sistema para lidar com cargas simult\u00e2neas de alta pot\u00eancia e eliminar a depend\u00eancia do gas\u00f3leo.<\/p>","protected":false},"featured_media":2114,"template":"","case-category":[19],"case-tag":[],"class_list":["post-2111","case","type-case","status-publish","has-post-thumbnail","hentry","case-category-off-grid-energy-storage-system-solution"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ktechsolar.com\/pt\/wp-json\/wp\/v2\/case\/2111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ktechsolar.com\/pt\/wp-json\/wp\/v2\/case"}],"about":[{"href":"https:\/\/www.ktechsolar.com\/pt\/wp-json\/wp\/v2\/types\/case"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ktechsolar.com\/pt\/wp-json\/wp\/v2\/media\/2114"}],"wp:attachment":[{"href":"https:\/\/www.ktechsolar.com\/pt\/wp-json\/wp\/v2\/media?parent=2111"}],"wp:term":[{"taxonomy":"case-category","embeddable":true,"href":"https:\/\/www.ktechsolar.com\/pt\/wp-json\/wp\/v2\/case-category?post=2111"},{"taxonomy":"case-tag","embeddable":true,"href":"https:\/\/www.ktechsolar.com\/pt\/wp-json\/wp\/v2\/case-tag?post=2111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}