{"id":25158,"date":"2025-08-20T09:38:35","date_gmt":"2025-08-20T07:38:35","guid":{"rendered":"https:\/\/www.orteanext.com\/case-histories\/reactance-a-lair-pour-limiter-les-courants-de-court-circuit-dans-les-systemes-ups\/"},"modified":"2025-12-11T15:11:55","modified_gmt":"2025-12-11T14:11:55","slug":"reactancia-en-aire-para-limitar-las-corrientes-de-cortocircuito-en-los-sistemas-ups","status":"publish","type":"case","link":"https:\/\/www.orteanext.com\/es\/case-histories\/reactancia-en-aire-para-limitar-las-corrientes-de-cortocircuito-en-los-sistemas-ups\/","title":{"rendered":"REACTANCIA EN AIRE PARA LIMITAR LAS CORRIENTES DE CORTOCIRCUITO EN LOS SISTEMAS UPS"},"content":{"rendered":"<h3>EL CLIENTE<\/h3>\n<p>Una subestaci\u00f3n de metro en una gran metr\u00f3polis.<\/p>\n<h3>LA NECESIDAD<\/h3>\n<p>La necesidad era limitar la corriente de cortocircuito a 8 kA durante 100 ms para el SAI previsto para los servicios de emergencia. Esto se deb\u00eda a que la l\u00ednea de alimentaci\u00f3n tendr\u00eda una corriente de cortocircuito del orden de 30 kA, con el riesgo de comprometer la integridad del sistema de respaldo y la continuidad del suministro en condiciones cr\u00edticas.<\/p>\n<h3>NUESTRA SOLUCI\u00d3N<\/h3>\n<p>Para solucionar este problema cr\u00edtico, fue necesario instalar una reactancia limitadora, capaz de aumentar la impedancia del circuito y limitar las corrientes de fallo a valores compatibles con las caracter\u00edsticas del SAI.<\/p>\n<p>A diferencia de los reactores con n\u00facleo ferromagn\u00e9tico, sujetos a saturaci\u00f3n magn\u00e9tica durante los picos de corriente, la reactancia en aire mantiene su valor inductivo incluso en presencia de fuertes solicitaciones. Esto es posible porque la permeabilidad magn\u00e9tica del aire no var\u00eda con la corriente, lo que garantiza una respuesta estable y predecible incluso en caso de cortocircuito.<\/p>\n<p>La reactancia suministrada ha sido dise\u00f1ada a medida por Ortea, con el apoyo de simulaciones magn\u00e9ticas avanzadas mediante an\u00e1lisis de elementos finitos (FEM). Este enfoque ha permitido:<\/p>\n<ul>\n<li>Estudiar la distribuci\u00f3n del campo magn\u00e9tico dentro del armario met\u00e1lico IP31.<\/li>\n<li>Minimizar las inductancias mutuas entre las tres fases.<\/li>\n<li>Reducir las p\u00e9rdidas adicionales localizadas.<\/li>\n<li>Optimizar la distancia entre las bobinas.<\/li>\n<li>Garantizar un rendimiento fiable y seguro incluso en las condiciones de fallo m\u00e1s severas.<\/li>\n<\/ul>\n<p>La reactancia se instal\u00f3 en un armario IP31 con un peso aproximado de 200 kg y unas dimensiones de 600 x 900 x 2100 mm, perfectamente integrado en el entorno t\u00e9cnico de la subestaci\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.orteanext.com\/es\/transformadores-y-reactores-de-bt\/como-limitar-las-corrientes-de-cortocircuito-con-reactancias-en-aire\/\"><strong>Descubrir el art\u00edculo relacionado<\/strong><\/a><\/p>\n","protected":false},"featured_media":24114,"template":"","sector":[24300],"tech":[24320],"class_list":["post-25158","case","type-case","status-publish","has-post-thumbnail","hentry","sector-servicios","tech-transformadores-reactores"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Reactancia en aire para limitar las corrientes de cortocircuito (SAI)<\/title>\n<meta name=\"description\" content=\"Las reactancias en aire son una soluci\u00f3n eficaz para limitar las corrientes de cortocircuito en los SAI de una subestaci\u00f3n metropolitana.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.orteanext.com\/es\/case-histories\/reactancia-en-aire-para-limitar-las-corrientes-de-cortocircuito-en-los-sistemas-ups\/\" \/>\n<meta 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