{"id":2375,"date":"2026-02-07T11:43:00","date_gmt":"2026-02-07T03:43:00","guid":{"rendered":"https:\/\/www.takebrakes.com\/?p=2375"},"modified":"2026-02-05T14:43:13","modified_gmt":"2026-02-05T06:43:13","slug":"what-happens-if-the-brake-power-supply-rectifier-e-g-dkz-is-selected-incorrectly","status":"publish","type":"post","link":"https:\/\/www.takebrakes.com\/pt\/what-happens-if-the-brake-power-supply-rectifier-e-g-dkz-is-selected-incorrectly\/","title":{"rendered":"O que acontece se a fonte de alimenta\u00e7\u00e3o do trav\u00e3o\/retificador (por exemplo, DKZ) for selecionada incorretamente?"},"content":{"rendered":"<p>Selecionar a caixa de alimenta\u00e7\u00e3o do trav\u00e3o ou retificador incorreto pode causar problemas graves de fiabilidade e seguran\u00e7a nos guindastes. Se a tens\u00e3o de sa\u00edda DC n\u00e3o corresponder \u00e0 bobine do trav\u00e3o, o trav\u00e3o pode libertar-se lentamente, n\u00e3o libertar completamente (arrastar-se), ou sobreaquecer a bobine e encurtar a sua vida \u00fatil. Retifica\u00e7\u00e3o incorreta ou supress\u00e3o de picos ausente pode levar a zumbidos, ativa\u00e7\u00e3o inst\u00e1vel, danos no contator ou falhas repetidas na bobine.<\/p>    <p>Muitos trav\u00f5es industriais de guindaste beneficiam de caracter\u00edsticas de \"liberta\u00e7\u00e3o r\u00e1pida\" (corrente de arranque mais elevada ou retifica\u00e7\u00e3o otimizada) para reduzir o atraso na ativa\u00e7\u00e3o e minimizar o desgaste. Se a fonte de alimenta\u00e7\u00e3o n\u00e3o puder fornecer o comportamento de liberta\u00e7\u00e3o adequado, o guindaste pode experimentar arranques irregulares, atraso na abertura do trav\u00e3o, maior corrente do motor e sobreaquecimento nas superf\u00edcies de fric\u00e7\u00e3o. Sempre combine a tens\u00e3o de entrada, a sa\u00edda DC, o ciclo de trabalho e a classifica\u00e7\u00e3o ambiental (IP, temperatura) com o projeto do trav\u00e3o. Em caso de d\u00favida, escolha fontes de alimenta\u00e7\u00e3o recomendadas pelo OEM para manter o desempenho de trav\u00e3o de seguran\u00e7a pretendido e a conformidade.<\/p>","protected":false},"excerpt":{"rendered":"<p>Selecting the wrong brake power supply box or rectifier can cause serious reliability and safety problems on cranes. If the DC output voltage does not match the brake coil, the brake may release slowly, fail to release fully (dragging), or overheat the coil and shorten its life. Incorrect rectification or missing surge suppression can lead [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[132,3],"tags":[133],"class_list":["post-2375","post","type-post","status-publish","format-standard","hentry","category-faq","category-blog","tag-overhead-or-gantry-crane"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/posts\/2375","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/comments?post=2375"}],"version-history":[{"count":1,"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/posts\/2375\/revisions"}],"predecessor-version":[{"id":2390,"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/posts\/2375\/revisions\/2390"}],"wp:attachment":[{"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/media?parent=2375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/categories?post=2375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.takebrakes.com\/pt\/wp-json\/wp\/v2\/tags?post=2375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}