{"id":9082,"date":"2016-06-14T20:06:21","date_gmt":"2016-06-14T20:06:21","guid":{"rendered":"https:\/\/automation-electric.com\/pornire-directa\/"},"modified":"2026-01-17T21:00:17","modified_gmt":"2026-01-17T21:00:17","slug":"pornire-directa","status":"publish","type":"post","link":"https:\/\/automation-electric.com\/ro\/pornire-directa\/","title":{"rendered":"Pornire direct\u0103"},"content":{"rendered":"<p><span style=\"color: #000000;\"><strong>Protec\u021bie cu releu termic<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>Mod de operare:<\/strong> Prin ac\u021bionarea butonului <strong>Start<\/strong>, bobina contactorului <strong>Q1<\/strong> este energizat\u0103, contactorul conecteaz\u0103 motorul \u0219i se automen\u021bine dup\u0103 ce butonul a fost eliberat prin contactul auxiliar al <strong>Q1<\/strong>, butonul <strong>Stop<\/strong> \u0219i contactul normal \u00eenchis <strong>97-98<\/strong> al releului termic. \u00cen mod normal, contactorul <strong>Q1<\/strong> este dezenergizat la ac\u021bionarea butonului <strong>Stop<\/strong>. La suprasarcin\u0103, declan\u0219area este realizat\u0103 de contactul normal \u00eenchis <strong>97-98<\/strong> al releului termic de protec\u021bie <strong>FT1<\/strong>. Curentul prin bobin\u0103 este \u00eentrerupt, iar contactorul <strong>Q1<\/strong> deconecteaz\u0103 motorul.   <\/span><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Dimensionarea componentelor<\/strong><\/span><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Valorile pentru <strong>Q1, TF1<\/strong> trebuie alese \u00een func\u021bie de puterea nominal\u0103 a motorului, \u00een conformitate cu datele de pe pl\u0103cu\u021ba cu informa\u021bii oferite de produc\u0103tor. Siguran\u021ba fuzibil\u0103 <strong>F1<\/strong> trebuie s\u0103 aib\u0103 valoarea curentului de <strong>5 &#8211; 7<\/strong> ori mai mare dec\u00e2t curentul nominal al motorului. Siguran\u021bele fuzibile <strong>F2, F3<\/strong> pentru partea de comand\u0103 pot avea valori de p\u00e2n\u0103 la max. 10 A.   <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Protec\u021bie cu releu termic Mod de operare: Prin ac\u021bionarea butonului Start, bobina contactorului Q1 este energizat\u0103, contactorul conecteaz\u0103 motorul \u0219i se automen\u021bine dup\u0103 ce butonul a fost eliberat prin contactul<\/p>\n","protected":false},"author":1,"featured_media":9084,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[933],"tags":[],"class_list":["post-9082","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pornirea-motoarelor-trifazate-2"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pornire direct\u0103 | 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