{"id":13430,"date":"2024-10-25T07:00:11","date_gmt":"2024-10-25T10:00:11","guid":{"rendered":"https:\/\/trifasica.com.br\/?p=13430"},"modified":"2024-10-28T13:59:59","modified_gmt":"2024-10-28T16:59:59","slug":"guia-completo-sobre-subestacao-de-media-tensao","status":"publish","type":"post","link":"https:\/\/trifasica.com.br\/en\/guia-completo-sobre-subestacao-de-media-tensao\/","title":{"rendered":"Complete guide to medium voltage substations"},"content":{"rendered":"<p>A medium voltage substation is responsible for transforming high voltage electrical energy (received from transmission networks) into lower levels, suitable for distribution.<\/p>\n<p>This way, they ensure that energy reaches industries, businesses and other large consumers efficiently and safely.<\/p>\n<p>Therefore, these systems are essential for the balance and functioning of the electrical grid, controlling the flow of energy and protecting against overloads and failures.<\/p>\n<p>How about learning more about the subject? Stay with us and check out our complete guide. Let&#039;s go!<\/p>\n<h2>Learn about the types of Medium Voltage Substations<\/h2>\n<p>Medium voltage substations can be classified based on different characteristics, such as the location and type of protection of their components.<\/p>\n<p>Thus, according to the standard <a href=\"https:\/\/www.normas.com.br\/visualizar\/abnt-nbr-nm\/10731\/abnt-nbr14039-instalacoes-eletricas-de-media-tensao-de-10-kv-a-362-kv\">NBR 14039<\/a>, medium voltage substations can be:<\/p>\n<ul>\n<li><strong>Sheltered substations: <\/strong>components installed inside buildings, protected from weather conditions such as rain and dust;<\/li>\n<li><strong>Overhead substations:<\/strong> installed on poles, suitable for small projects due to the simplicity of the structure;<\/li>\n<li><strong>Weather substations:<\/strong> equipment installed outdoors, exposed to the environment, requiring greater protection against natural elements;<\/li>\n<li><strong>Armored substations:<\/strong> components protected inside metal cubicles, mitigating the effects of short circuits and other damage;<\/li>\n<li><strong>Switchgear substations:<\/strong> intended for the control and protection of sections of the network, without performing voltage transformation;<\/li>\n<li><strong>Transformation substations:<\/strong> responsible for transforming the voltage between two sections of the electrical network, which can be step-up or step-down.<\/li>\n<\/ul>\n<h2>See what the components of a substation are<\/h2>\n<p>The main components of a medium voltage substation are:<\/p>\n<ul>\n<li><strong>Circuit breakers:<\/strong> protect the installation by interrupting the circuit under abnormal conditions;<\/li>\n<li><strong>Protection Relays:<\/strong> monitor the substation, identifying and isolating faults in the circuit;<\/li>\n<li><strong>Current Transformer (CT):<\/strong> adapts the electrical current for measuring and protecting relays;<\/li>\n<li><a href=\"https:\/\/trifasica.com.br\/en\/transformador-de-potencial-e-corrente-saiba-tudo-sobre-eles\/\"><strong>Potential Transformer (TP<\/strong><\/a><strong>):<\/strong> adjusts the nominal circuit voltage for measuring and protection equipment;<\/li>\n<li><strong>Power Transformer:<\/strong> responsible for adjusting the voltage between the primary and secondary circuits. It can be oil or dry.<\/li>\n<\/ul>\n<p><strong>&gt;&gt; You may also like to read: <\/strong><a href=\"https:\/\/trifasica.com.br\/en\/transformador-a-seco-e-a-oleo-quais-as-diferencas\/\"><strong>Dry and oil transformer, what are the differences?<\/strong><\/a><\/p>\n<h2>Pay attention to current regulations<\/h2>\n<p>It is essential to follow current regulations when designing and installing medium voltage substations, as they guarantee safety and <a href=\"https:\/\/trifasica.com.br\/en\/eficiencia-energetica-no-setor-industrial-estrategias-e-beneficios\/\">efficiency in energy supply<\/a>.<\/p>\n<p>THE <a href=\"https:\/\/www.normas.com.br\/visualizar\/abnt-nbr-nm\/10731\/abnt-nbr14039-instalacoes-eletricas-de-media-tensao-de-10-kv-a-362-kv\"><strong>NBR 14039<\/strong><\/a>, for example, establishes the parameters for electrical installations with voltage between 1.0 and 36.2 kV, applying to all equipment in this range.<\/p>\n<p>Therefore, this standard addresses aspects such as types of substations, safety distances and ventilation.<\/p>\n<p>For low voltage installations, the <a href=\"https:\/\/docente.ifrn.edu.br\/jeangaldino\/disciplinas\/2015.1\/instalacoes-eletricas\/nbr-5410\"><strong>NBR 5410<\/strong><\/a> defines the conditions of <a href=\"https:\/\/trifasica.com.br\/en\/como-dimensionar-cabos-para-aterramento-eletrico\/\">cable sizing<\/a>, equipment and protection devices for voltages up to 1 kV.<\/p>\n<p>Already the <a href=\"https:\/\/www.legisweb.com.br\/legislacao\/?id=112868\"><strong>REN 414\/10<\/strong><\/a> regulates the energy supply, especially for consumer units with an installed load above 75 kW, determining the need for substations with <a href=\"https:\/\/trifasica.com.br\/en\/transformadores-e-sua-importancia-para-eficiencia-energetica\/\">transformers<\/a> suitable.<\/p>\n<h2>Bring your medium voltage substation project to Trif\u00e1sica El\u00e9trica<\/h2>\n<p>At Trif\u00e1sica El\u00e9trica, you&#039;ll find all the materials you need to install medium-voltage substations, ensuring efficiency and safety in your project.<\/p>\n<p>Additionally, we offer special projects of <a href=\"https:\/\/trifasica.com.br\/en\/cabines-primarias-metalicas-e-de-alvenaria-qual-e-a-melhor\/\">cabins<\/a> armored, developed with high quality materials, always within current technical standards.<\/p>\n<p>Our commitment is to equipment excellence and durability, providing solutions that meet the demands of any enterprise.<\/p>\n<p>We offer nationwide service, adapting our products to all the standards required by energy providers.<\/p>\n<p>So you can trust Trif\u00e1sica El\u00e9trica to provide cutting-edge materials and custom designs that ensure the best performance for your substation.<\/p>\n<p>Did you like it? So, <a href=\"https:\/\/trifasica.com.br\/en\/fale-conosco\/\"><strong>contact us today!<\/strong><\/a><\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p><strong>Contact our sales team on one of our channels.<\/strong><strong>Follow our social media:\u00a0<a href=\"https:\/\/www.facebook.com\/trifasicaeletrica\/\" target=\"_blank\" rel=\"noopener noreferrer\">Facebook<\/a>,\u00a0<a href=\"https:\/\/www.instagram.com\/trifasicaeletrica_\/\" target=\"_blank\" rel=\"noopener noreferrer\">Instagram<\/a>,\u00a0<a href=\"https:\/\/www.linkedin.com\/company\/trifasicaeletrica\/\" target=\"_blank\" rel=\"noopener noreferrer\">LinkedIn<\/a>\u00a0and\u00a0<a href=\"http:\/\/bit.ly\/canal-trifasica-eletrica\" target=\"_blank\" rel=\"noopener noreferrer\">YouTube<\/a>.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Responsible for transforming high voltage electrical energy into lower levels.<\/p>","protected":false},"author":1,"featured_media":13437,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[176,209],"tags":[317,406],"class_list":["post-13430","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-institucional","category-servico-produto","tag-media-tensao","tag-subestacao"],"_links":{"self":[{"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/posts\/13430","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/comments?post=13430"}],"version-history":[{"count":0,"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/posts\/13430\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/media\/13437"}],"wp:attachment":[{"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/media?parent=13430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/categories?post=13430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trifasica.com.br\/en\/wp-json\/wp\/v2\/tags?post=13430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}