{"id":5022,"date":"2024-03-21T16:26:12","date_gmt":"2024-03-21T08:26:12","guid":{"rendered":"https:\/\/www.sevencrane.com\/?p=5022"},"modified":"2024-03-21T16:26:15","modified_gmt":"2024-03-21T08:26:15","slug":"electrical-installation-and-commissioning-of-bridge-crane","status":"publish","type":"post","link":"https:\/\/www.sevencrane.com\/sl\/electrical-installation-and-commissioning-of-bridge-crane\/","title":{"rendered":"Elektri\u010dna monta\u017ea in zagon mostnega \u017eerjava"},"content":{"rendered":"<p>Pri gradnji elektrarn so mostni \u017eerjavi \u0161iroko uporabljena dvi\u017ena oprema. Njegova pogosta uporaba, velika delovna obremenitev in visoke vibracije povzro\u010dijo visoko stopnjo napak. Znanstvene in razumne metode gradnje so klju\u010dnega pomena za zagotavljanje kakovosti namestitve med postopkom elektri\u010dne namestitve in zagona mostnih \u017eerjavov. Namestitev elektri\u010dne opreme za mostne \u017eerjave in polaganje \u017eic je treba strogo izvajati v skladu s prilo\u017eeno elektri\u010dno shemo, diagramom o\u017ei\u010denja, splo\u0161nim diagramom elektri\u010dne opreme in ustreznimi specifikacijami.<\/p>\n\n\n\n<p><strong>Pripravljalna dela pred namestitvijo<\/strong><\/p>\n\n\n\n<p>Pred elektri\u010dno monta\u017eo mostnega \u017eerjava se je treba podrobno seznaniti z ustreznimi elektri\u010dnimi shemami in tehni\u010dnimi pogoji, razumeti medsebojno delovanje in principe krmiljenja posamezne komponente. Za hitro re\u0161evanje morebitnih te\u017eav, ki se lahko pojavijo med namestitvijo in testiranjem. Pred namestitvijo je treba vso elektri\u010dno opremo in komponente o\u010distiti in pregledati. Vsa elektri\u010dna oprema in komponente morajo biti brezhibne, delovati pro\u017eno in ne sme prihajati do zatikanja ali zrahljanja. Model, specifikacije in zaporedje zapiranja kontaktov elektri\u010dne opreme in komponent morajo biti v skladu z risbami.<\/p>\n\n\n\n<p><strong>Motor<\/strong><\/p>\n\n\n\n<p>Najprej izvedite splo\u0161en vizualni pregled z vrtenjem sklopke in opazovanjem, ali se rotor vrti pro\u017eno. In izmerite njegovo izolacijsko upornost z megohmetrom. \u010ce je stator ve\u010dji od 1,5 megaohmov in rotor ve\u010dji od 0,8 megaohmov, ga je mogo\u010de uporabiti. V nasprotnem primeru ga je treba posu\u0161iti. Lahko ga damo v pe\u010dico ali su\u0161imo z uvedbo nizkonapetostnega kratkosti\u010dnega toka.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.sevencrane.com\/sl\/product\/double-girder-overhead-crane\/\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane.jpg\" alt=\"32T mostni \u017eerjav\" class=\"wp-image-3433 lazyload\"\/><noscript><img decoding=\"async\" width=\"750\" height=\"563\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane.jpg\" alt=\"32T mostni \u017eerjav\" class=\"wp-image-3433 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane.jpg 750w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane-300x225.jpg 300w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane-428x321.jpg 428w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane-345x258.jpg 345w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane-253x190.jpg 253w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><\/a><\/figure>\n\n\n\n<p><strong>Elektromagnet<\/strong><\/p>\n\n\n\n<p>Med namestitvijo je treba preveriti, ali so gibljivi deli zrahljani, nagnjeni ali zataknjeni. Rjo in drugo umazanijo na gibljivih delih in kontaktni povr\u0161ini magneta je treba odstraniti. Med delovanjem ne sme biti vrzeli med kontaktnimi povr\u0161inami magneta. \u010ce obstajajo vrzeli, jih je treba prilagoditi in o\u010distiti.<\/p>\n\n\n\n<p><strong>Povezava nadzorne plo\u0161\u010de ali krmilnika<\/strong><\/p>\n\n\n\n<p>Spojna povr\u0161ina vsakega kontakta mora biti v linijskem stiku, s pritiskom pribli\u017eno 10-17 N, odvisno od velikosti kontakta, ki se nastavi z matico, ki pritiska vzmet. Vsak kabelski vijak mora biti privit in stik mora biti dober. Ro\u010daj za upravljanje mora biti gibljiv, polo\u017eaj menjalnika pa jasen.<\/p>\n\n\n\n<p><strong>upor<\/strong><\/p>\n\n\n\n<p>O\u017ei\u010denje upora mora biti pravilno priklju\u010deno v skladu z navedenimi informacijami. \u010ce se ugotovi, da je mo\u010d elektromotorja nezadostna in krmilna ro\u010dica ne more dvigniti nazivne obremenitve ali zagnati velikih in majhnih vozil na dolo\u010denem mestu, je treba opraviti pregled. Najprej preverite, ali so v o\u017ei\u010denju upora kak\u0161ne napake. Pri mehanizmih, ki jih poganjata dvojni motor, je treba uporabljene upore ustrezno nastaviti.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pri gradnji elektrarn so mostni \u017eerjavi \u0161iroko uporabljena dvi\u017ena oprema. Njegova pogosta uporaba, velika delovna obremenitev in visoke vibracije povzro\u010dajo visoko stopnjo napak. Znanstvene in razumne metode gradnje so klju\u010dnega pomena za zagotavljanje kakovosti namestitve med postopkom elektri\u010dne namestitve in zagona mostnih \u017eerjavov. Monta\u017ea elektro opreme\u2026<\/p>","protected":false},"author":2,"featured_media":4988,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Electrical Installation and Commissioning of Bridge Crane<\/title>\n<meta name=\"description\" content=\"The installation of electrical equipment for bridge crane should be strictly carried out in accordance with the attached electrical schematic\" \/>\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.sevencrane.com\/sl\/electrical-installation-and-commissioning-of-bridge-crane\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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