{"id":2295,"date":"2025-12-24T09:19:15","date_gmt":"2025-12-24T09:19:15","guid":{"rendered":"https:\/\/xbrele.com\/?p=2295"},"modified":"2026-04-07T15:13:08","modified_gmt":"2026-04-07T15:13:08","slug":"hanzhong-750kv-uhv-transmission-project","status":"publish","type":"post","link":"https:\/\/xbrele.com\/pt\/hanzhong-750kv-uhv-transmission-project\/","title":{"rendered":"Avan\u00e7o na rede el\u00e9trica da China: o projeto UHV de 750 kV de Hanzhong atravessa as montanhas nevadas de Qinling"},"content":{"rendered":"<h4 class=\"wp-block-heading\" id=\"executive-summary\"><strong>Resumo Executivo<\/strong><\/h4>\n\n\n\n<p>Em 23 de dezembro de 2025, o <strong>Projeto de transmiss\u00e3o e subesta\u00e7\u00e3o de ultra-alta tens\u00e3o (UHV) de 750 kV em Hanzhong<\/strong> foi oficialmente inaugurado em Shaanxi, China<sup><\/sup><sup><\/sup>. Este projeto hist\u00f3rico marca a entrada da rede el\u00e9trica de Shaanxi na era UHV, aumentando significativamente a confiabilidade energ\u00e9tica regional e apoiando a transi\u00e7\u00e3o para a energia limpa.<sup><\/sup><sup><\/sup>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"434\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/hanzhong-750kv-uhv-transmission-project-qinling-mountains-1024x434.webp\" alt=\"A linha de transmiss\u00e3o UHV de 750 kV de Hanzhong atravessa as montanhas Qinling cobertas de neve, demonstrando a confiabilidade da rede el\u00e9trica em altas altitudes.\" class=\"wp-image-2296\" srcset=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/hanzhong-750kv-uhv-transmission-project-qinling-mountains-1024x434.webp 1024w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/hanzhong-750kv-uhv-transmission-project-qinling-mountains-300x127.webp 300w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/hanzhong-750kv-uhv-transmission-project-qinling-mountains-768x326.webp 768w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/hanzhong-750kv-uhv-transmission-project-qinling-mountains-1536x652.webp 1536w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/hanzhong-750kv-uhv-transmission-project-qinling-mountains-2048x869.webp 2048w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/hanzhong-750kv-uhv-transmission-project-qinling-mountains-18x8.webp 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"engineering-excellence-in-extreme-conditions\"><strong>Excel\u00eancia em engenharia em condi\u00e7\u00f5es extremas<\/strong><\/h4>\n\n\n\n<p>A linha de transmiss\u00e3o de 459 km \u00e9 uma proeza da engenharia moderna, sendo a primeira linha UHV de 750 kV na China a atravessar as montanhas Qinling de norte a sul.<sup><\/sup><sup><\/sup>. O projeto enfrentou e superou desafios sem precedentes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Desempenho em alta altitude:<\/strong> Com a maior parte do percurso situado em <strong>altitudes acima de 1.200 metros<\/strong>, o projeto exigiu equipamentos projetados para ambientes com ar rarefeito e baixa press\u00e3o \u2014 um desafio frequentemente enfrentado por especialistas. <a href=\"https:\/\/xbrele.com\/pt\/high-altitude-switchgear-why-essential-modern-power-systems\/\" target=\"_blank\" rel=\"noreferrer noopener\">aparelhagem de alta altitude<\/a>.<\/li>\n\n\n\n<li><strong>Resist\u00eancia ao gelo intenso:<\/strong> \u00c9 a primeira linha de 750 kV do pa\u00eds a atravessar um <strong>\u00c1rea de gelo espesso de 40 mm<\/strong>, exigindo mec\u00e2nica robusta e <a href=\"https:\/\/xbrele.com\/pt\/switchgear-parts\/\" target=\"_blank\" rel=\"noreferrer noopener\">desempenho do isolamento<\/a>.<\/li>\n\n\n\n<li><strong>Preserva\u00e7\u00e3o ecol\u00f3gica:<\/strong> Com 19 meses de constru\u00e7\u00e3o, o projeto seguiu \u00e0 risca os princ\u00edpios ecol\u00f3gicos, garantindo a prote\u00e7\u00e3o do sens\u00edvel ecossistema de Qinling.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"strategic-impact-and-sustainability\"><strong>Impacto estrat\u00e9gico e sustentabilidade<\/strong><\/h4>\n\n\n\n<p>Como componente-chave do \u201c14\u00ba Plano Quinquenal\u201d da China, o projeto dever\u00e1 atender \u00e0s demandas regionais de eletricidade pelos pr\u00f3ximos 15 anos, reduzindo as emiss\u00f5es de CO2 em aproximadamente <strong>15 milh\u00f5es de toneladas por ano<\/strong><sup><\/sup><sup><\/sup>. Isso destaca a crescente demanda global por efici\u00eancia. <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/xbrele.com\/pt\/distribution-transformer-guide\/\">transformadores de distribui\u00e7\u00e3o<\/a> e <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/xbrele.com\/pt\/power-distribution-transformers\/dry-type-transformer\/\">transformadores do tipo seco<\/a> em projetos de redes sustent\u00e1veis<sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"xbrele-insights-from-uhv-technology-to-industrial-reliability\"><strong>XBRELE Insights: Da tecnologia UHV \u00e0 confiabilidade industrial<\/strong><\/h4>\n\n\n\n<p>O sucesso desses projetos UHV de grande porte ressalta a confiabilidade da cadeia de fornecimento de equipamentos de energia chinesa. Em <strong>XBRELE<\/strong>, aplicamos os mesmos padr\u00f5es rigorosos de engenharia \u00e0 nossa gama de <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/xbrele.com\/pt\/vacuum-circuit-breaker\/\">disjuntores a v\u00e1cuo de m\u00e9dia tens\u00e3o<\/a> e <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/xbrele.com\/pt\/switchgear-component-manufacturer\/\">componentes de comuta\u00e7\u00e3o<\/a><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup>.<\/p>\n\n\n\n<p>Nosso <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/xbrele.com\/pt\/vacuum-contactor\/\">contatores a v\u00e1cuo<\/a> e <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/xbrele.com\/pt\/switchgear-parts\/contact-box\/\">pe\u00e7as de isolamento ep\u00f3xi<\/a> s\u00e3o projetados para funcionar nos mesmos ambientes exigentes observados no projeto Hanzhong, incluindo locais de minera\u00e7\u00e3o em alta altitude e condi\u00e7\u00f5es clim\u00e1ticas extremas.<sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Precisa de solu\u00e7\u00f5es MV\/HV confi\u00e1veis para o seu pr\u00f3ximo projeto?<\/strong> <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/xbrele.com\/pt\/contact\/\">Entre em contato com a XBRELE Engineering<\/a>para suporte especializado<sup><\/sup>.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"related-reading-and-selection-resources\">Recursos de leitura e sele\u00e7\u00e3o relacionados<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/xbrele.com\/pt\/products\/\">vis\u00e3o geral dos produtos de m\u00e9dia tens\u00e3o<\/a> ? verifica\u00e7\u00f5es pr\u00e1ticas, limites e notas de comissionamento<\/li>\n<\/ul>\n\n\n\n<p><strong>Refer\u00eancia da autoridade:<\/strong> Para obter defini\u00e7\u00f5es padr\u00e3o e contexto de teste, consulte <a href=\"https:\/\/webstore.iec.ch\/publication\/6740\" target=\"_blank\" rel=\"noopener\">P\u00e1gina de publica\u00e7\u00e3o da IEC 62271-200<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Executive Summary On December 23, 2025, the Hanzhong 750kV Ultra-High Voltage (UHV) transmission and substation project was officially commissioned in Shaanxi, China. This landmark project marks the Shaanxi power grid&#8217;s entry into the UHV era, significantly enhancing regional energy reliability and supporting the transition to clean energy. Engineering Excellence in Extreme Conditions The 459km transmission [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2296,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[28],"tags":[],"class_list":["post-2295","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/posts\/2295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/comments?post=2295"}],"version-history":[{"count":5,"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/posts\/2295\/revisions"}],"predecessor-version":[{"id":3652,"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/posts\/2295\/revisions\/3652"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/media\/2296"}],"wp:attachment":[{"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/media?parent=2295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/categories?post=2295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xbrele.com\/pt\/wp-json\/wp\/v2\/tags?post=2295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}