{"id":585,"date":"2025-05-18T09:36:59","date_gmt":"2025-05-18T07:36:59","guid":{"rendered":"https:\/\/www.obtenerclientes.es\/?p=585"},"modified":"2025-05-18T09:37:38","modified_gmt":"2025-05-18T07:37:38","slug":"1-captacion-de-energia-en-forma-de-corriente-continua","status":"publish","type":"post","link":"https:\/\/www.obtenerclientes.es\/index.php\/2025\/05\/18\/1-captacion-de-energia-en-forma-de-corriente-continua\/","title":{"rendered":"1. Captaci\u00f3n de energ\u00eda en forma de corriente continua"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Captaci\u00f3n de energ\u00eda en forma de corriente continua<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fuente de energ\u00eda:<\/strong> El Metro de Madrid tiene <strong>subestaciones el\u00e9ctricas<\/strong> que transforman la corriente alterna (AC) de la red general en <strong>corriente continua (DC)<\/strong> de 600 V o 750 V.<\/li>\n\n\n\n<li><strong>Distribuci\u00f3n:<\/strong> Esa CC llega a las v\u00edas por medio del <strong>tercer ra\u00edl<\/strong> (una barra met\u00e1lica lateral junto a las v\u00edas) o <strong>catenaria<\/strong> (en algunas l\u00edneas).<\/li>\n\n\n\n<li><strong>Captador del tren:<\/strong>\n<ul class=\"wp-block-list\">\n<li>En l\u00edneas con tercer ra\u00edl (como L6): el tren tiene <strong>zapatillas de contacto<\/strong> que rozan el ra\u00edl lateral.<\/li>\n\n\n\n<li>En l\u00edneas con catenaria (como L2): el tren usa <strong>pant\u00f3grafos<\/strong> (una especie de brazo met\u00e1lico que roza el cable superior).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Entrada de la corriente continua al tren<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Esa energ\u00eda CC entra al sistema el\u00e9ctrico del tren y va directamente a los <strong>inversores<\/strong> (convertidores de potencia).<\/li>\n\n\n\n<li>El tren a\u00fan no se mueve: la energ\u00eda est\u00e1 lista, pero no liberada hasta que el sistema de control lo ordene.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Conversi\u00f3n a corriente alterna para los motores<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Los motores del tren no usan CC directamente<\/strong>, porque son <strong>motores as\u00edncronos trif\u00e1sicos<\/strong>, que funcionan con corriente alterna.<\/li>\n\n\n\n<li>El <strong>inversor<\/strong> convierte la CC en CA trif\u00e1sica, ajustando frecuencia y voltaje seg\u00fan la velocidad deseada.<\/li>\n\n\n\n<li>Este proceso lo controla una computadora llamada <strong>unidad de control de tracci\u00f3n (TCU)<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Movimiento del tren<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>El CA trif\u00e1sico llega a los <strong>motores el\u00e9ctricos<\/strong>, que est\u00e1n en los ejes de las ruedas.<\/li>\n\n\n\n<li>Los motores giran, y a trav\u00e9s de un sistema de engranajes (<strong>reductores<\/strong>), se transmite ese giro a las ruedas.<\/li>\n\n\n\n<li>El tren comienza a moverse suavemente gracias a la regulaci\u00f3n del inversor y el controlador.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. Frenado regenerativo (usa la CC otra vez)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Al frenar, los <strong>motores cambian de funci\u00f3n<\/strong>: ahora act\u00faan como generadores.<\/li>\n\n\n\n<li>Generan electricidad que vuelve en forma de <strong>corriente continua<\/strong> y se devuelve a:\n<ul class=\"wp-block-list\">\n<li>Otros trenes que la aprovechan si est\u00e1n acelerando.<\/li>\n\n\n\n<li>O se disipa en resistencias si no hay otro tren cercano.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Resumen del ciclo de la CC en el Metro:<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>La <strong>subestaci\u00f3n<\/strong> convierte CA en CC.<\/li>\n\n\n\n<li>El <strong>tercer ra\u00edl\/catenaria<\/strong> transporta esa CC al tren.<\/li>\n\n\n\n<li>El tren la recibe y la convierte en <strong>CA<\/strong> para mover los motores.<\/li>\n\n\n\n<li>Al frenar, el tren <strong>reconvierte energ\u00eda en CC<\/strong> y la devuelve al sistema.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Captaci\u00f3n de energ\u00eda en forma de corriente continua 2. Entrada de la corriente continua al tren 3. Conversi\u00f3n a corriente alterna para los motores 4. Movimiento del tren 5.&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-585","post","type-post","status-publish","format-standard","hentry","category-articulos-de-interes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1. 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