{"id":6994,"date":"2026-02-11T14:58:58","date_gmt":"2026-02-11T13:58:58","guid":{"rendered":"https:\/\/guilera.com\/?p=6994"},"modified":"2026-10-08T17:57:30","modified_gmt":"2026-10-08T15:57:30","slug":"electronica-potencia-vibracio-temperatura","status":"publish","type":"post","link":"https:\/\/guilera.com\/ca\/2026\/02\/11\/electronica-potencia-vibracio-temperatura\/","title":{"rendered":"Electr\u00f2nica de pot\u00e8ncia sota vibraci\u00f3 i estr\u00e8s t\u00e8rmic"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Les fallades de l\u2019<strong>electr\u00f2nica de pot\u00e8ncia sota vibraci\u00f3<\/strong> i estr\u00e8s t\u00e8rmic no solen ser per c\u00e0lculs erronis.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00f3n causades per la <strong>fatiga mec\u00e0nica i l\u2019estr\u00e8s t\u00e8rmic<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En e-bikes, ciclomotors, motocicletes i maquin\u00e0ria heavy-duty, l\u2019<strong>electr\u00f2nica de pot\u00e8ncia sota vibraci\u00f3<\/strong> funciona en entorns on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>la vibraci\u00f3 \u00e9s cont\u00ednua,<\/li>\n\n\n\n<li>la temperatura canvia constantment,<\/li>\n\n\n\n<li>i els cicles de c\u00e0rrega mai no s\u00f3n estables.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Amb el temps, aix\u00f2 provoca:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>esquerdes a les soldadures,<\/li>\n\n\n\n<li>degradaci\u00f3 dels encapsulats,<\/li>\n\n\n\n<li>canvis en la resist\u00e8ncia t\u00e8rmica,<\/li>\n\n\n\n<li>i deriva del comportament el\u00e8ctric.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Un disseny que funciona en un banc est\u00e0tic pot fallar en camp simplement perqu\u00e8 <strong>l\u2019entorn \u00e9s diferent<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Per aix\u00f2 a Guilera no validem nom\u00e9s esquemes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Validem sistemes complets sota vibraci\u00f3, temperatura i c\u00e0rrega din\u00e0mica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Abans de la certificaci\u00f3 o la preserie, els dissenys s\u2019assagen amb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bancs de vibraci\u00f3,<\/li>\n\n\n\n<li>cambres clim\u00e0tiques,<\/li>\n\n\n\n<li>i assajos amb c\u00e0rrega real.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aix\u00f2 revela una degradaci\u00f3 progressiva que els assajos curts no mostren.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La fiabilitat no es demostra amb una sola mesura.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Es construeix exposant el sistema a l\u2019estr\u00e8s que patir\u00e0 durant tota la seva vida \u00fatil.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"2000\" height=\"1414\" data-id=\"6216\" src=\"https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/4-1024x724.jpg\" alt=\"\" class=\"wp-image-6216\" srcset=\"https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/4-1024x724.jpg 1024w, https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/4-300x212.jpg 300w, https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/4-768x543.jpg 768w, https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/4-1536x1086.jpg 1536w, https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/4.jpg 2000w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"791\" data-id=\"5765\" data-src=\"https:\/\/guilera.com\/wp-content\/uploads\/2025\/10\/brincor_blue-1024x791.jpg\" alt=\"\" class=\"wp-image-5765 lazyload\" data-srcset=\"https:\/\/guilera.com\/wp-content\/uploads\/2025\/10\/brincor_blue-1024x791.jpg 1024w, https:\/\/guilera.com\/wp-content\/uploads\/2025\/10\/brincor_blue-300x232.jpg 300w, https:\/\/guilera.com\/wp-content\/uploads\/2025\/10\/brincor_blue-768x593.jpg 768w, https:\/\/guilera.com\/wp-content\/uploads\/2025\/10\/brincor_blue-1536x1187.jpg 1536w, https:\/\/guilera.com\/wp-content\/uploads\/2025\/10\/brincor_blue-2048x1582.jpg 2048w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/791;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"6186\" data-src=\"https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/EX4-1024x683.png\" alt=\"\" class=\"wp-image-6186 lazyload\" data-srcset=\"https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/EX4-1024x683.png 1024w, https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/EX4-300x200.png 300w, https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/EX4-768x512.png 768w, https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/EX4-1536x1024.png 1536w, https:\/\/guilera.com\/wp-content\/uploads\/2026\/02\/EX4-2048x1365.png 2048w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/683;\" \/><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Les fallades de l\u2019electr\u00f2nica de pot\u00e8ncia sota vibraci\u00f3 i estr\u00e8s t\u00e8rmic no solen ser per c\u00e0lculs erronis. S\u00f3n causades per la fatiga mec\u00e0nica i l\u2019estr\u00e8s t\u00e8rmic. En e-bikes, ciclomotors, motocicletes i maquin\u00e0ria heavy-duty, l\u2019electr\u00f2nica de pot\u00e8ncia sota vibraci\u00f3 funciona en entorns on: Amb el temps, aix\u00f2 provoca: Un disseny que funciona en un banc est\u00e0tic [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3336,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,38],"tags":[],"class_list":["post-6994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-controladors","category-semiconductors-ca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Electr\u00f2nica de pot\u00e8ncia sota vibraci\u00f3 i temperatura | Guilera<\/title>\n<meta name=\"description\" content=\"L\u2019electr\u00f2nica de pot\u00e8ncia sota vibraci\u00f3 i estr\u00e8s t\u00e8rmic sol fallar per fatiga i cicles t\u00e8rmics. 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