{"id":9135,"date":"2016-06-23T20:29:55","date_gmt":"2016-06-23T20:29:55","guid":{"rendered":"https:\/\/automation-electric.com\/pornirea-motoarelor-monofazate\/"},"modified":"2026-01-17T20:21:40","modified_gmt":"2026-01-17T20:21:40","slug":"pornirea-motoarelor-monofazate","status":"publish","type":"post","link":"https:\/\/automation-electric.com\/ro\/pornirea-motoarelor-monofazate\/","title":{"rendered":"Pornirea motoarelor monofazate"},"content":{"rendered":"<h6><\/h6>\n<hr>\n<h6><strong>Protec\u021bie cu \u00eentrerup\u0103tor de circuit pentru motor (MCB)<\/strong><\/h6>\n<hr>\n<h6><strong>Mod de operare<\/strong>: Acela\u0219i ca \u0219i pentru pornirea direct\u0103, dar \u00een loc de siguran\u021be \u0219i releu termic, pute\u021bi utiliza un \u00eentrerup\u0103tor de circuit pentru motor cu declan\u0219\u0103ri termice \u0219i magnetice, o component\u0103 simpl\u0103, dar cel pu\u021bin la fel de eficient\u0103. Prin ap\u0103sarea butonului <strong>Start<\/strong>, bobina contactorului <strong>Q2<\/strong> este alimentat\u0103, motorul va porni \u0219i se va men\u021bine \u00een func\u021biune dup\u0103 eliberarea butonului <strong>Start<\/strong>, prin intermediul contactului auxiliar <strong>Q2<\/strong>, butoanele <strong>Stop \u0219i Oprire de urgen\u021b\u0103<\/strong>. C\u00e2nd apare o suprasarcin\u0103, \u00eentrerup\u0103torul Q1 se deschide, astfel \u00eenc\u00e2t motorul este oprit. <\/h6>\n<hr>\n<h6><strong>Calculul MCB \u0219i al contactorului<\/strong><\/h6>\n<hr>\n<h6>MCB-ul \u0219i contactorul <strong>Q1, Q2<\/strong> trebuie alese \u00een concordan\u021b\u0103 cu puterea nominal\u0103 a motorului dumneavoastr\u0103, care poate fi g\u0103sit\u0103 pe pl\u0103cu\u021ba motorului. Valoarea pentru siguran\u021ba <strong>F1<\/strong> trebuie s\u0103 fie de cel mult 1 A. <\/h6>\n<h6><\/h6>\n","protected":false},"excerpt":{"rendered":"<p>Protec\u021bie cu \u00eentrerup\u0103tor de circuit pentru motor (MCB) Mod de operare: Acela\u0219i ca \u0219i pentru pornirea direct\u0103, dar \u00een loc de siguran\u021be \u0219i releu termic, pute\u021bi utiliza un \u00eentrerup\u0103tor de<\/p>\n","protected":false},"author":1,"featured_media":9120,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[932],"tags":[],"class_list":["post-9135","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pornirea-motoarelor-monofazate"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pornirea motoarelor monofazate | 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