{"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\/fi\/electrical-installation-and-commissioning-of-bridge-crane\/","title":{"rendered":"Siltanosturin s\u00e4hk\u00f6asennus ja k\u00e4ytt\u00f6\u00f6notto"},"content":{"rendered":"<p>Voimalaitosten rakentamisessa siltanosturit ovat laajalti k\u00e4ytetty nostolaite. Sen toistuva k\u00e4ytt\u00f6, raskas ty\u00f6kuorma ja suuri t\u00e4rin\u00e4 johtavat korkeaan vikaantumiseen. Tieteelliset ja j\u00e4rkev\u00e4t rakennusmenetelm\u00e4t ovat avainasemassa asennuksen laadun varmistamiseksi siltanostureiden s\u00e4hk\u00f6asennuksen ja k\u00e4ytt\u00f6\u00f6nottoprosessin aikana. Siltanostureiden s\u00e4hk\u00f6laitteiden asennus ja johtojen asennus on suoritettava tiukasti liitteen\u00e4 olevan s\u00e4hk\u00f6kaavion, kytkent\u00e4kaavion, s\u00e4hk\u00f6laitteiden yleiskaavion ja vastaavien eritelmien mukaisesti.<\/p>\n\n\n\n<p><strong>Valmistelut ennen asennusta<\/strong><\/p>\n\n\n\n<p>Ennen siltanosturin s\u00e4hk\u00f6asennusta tulee perehty\u00e4 asiaankuuluviin s\u00e4hk\u00f6kaavioihin ja teknisiin olosuhteisiin yksityiskohtaisesti, ymm\u00e4rt\u00e4\u00e4 kunkin komponentin vuorovaikutus ja ohjausperiaatteet. Asennuksen ja testauksen aikana mahdollisesti ilmenevien ongelmien ratkaisemiseksi nopeasti. Ennen asennusta kaikki s\u00e4hk\u00f6laitteet ja komponentit on puhdistettava ja tarkastettava. Kaikkien s\u00e4hk\u00f6laitteiden ja komponenttien tulee olla virheett\u00f6mi\u00e4, toimia joustavasti, eik\u00e4 niiss\u00e4 saa esiinty\u00e4 juuttumista tai l\u00f6ystymist\u00e4. S\u00e4hk\u00f6laitteiden ja komponenttien mallin, teknisten tietojen ja koskettimien sulkemisj\u00e4rjestyksen on oltava piirustusten mukainen.<\/p>\n\n\n\n<p><strong>Moottori<\/strong><\/p>\n\n\n\n<p>Suorita ensin yleinen silm\u00e4m\u00e4\u00e4r\u00e4inen tarkastus k\u00e4\u00e4nt\u00e4m\u00e4ll\u00e4 kytkint\u00e4 ja tarkkailemalla, py\u00f6riik\u00f6 roottori joustavasti. Ja mittaa sen eristysvastus megaohmimittarilla. Jos staattori on suurempi kuin 1,5 megaohmia ja roottori yli 0,8 megaohmia, sit\u00e4 voidaan k\u00e4ytt\u00e4\u00e4. Muuten se tulee kuivata. Se voidaan laittaa uuniin tai kuivata oikosulkuvirran avulla.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.sevencrane.com\/fi\/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 nosturi\" 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 nosturi\" 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>S\u00e4hk\u00f6magneetti<\/strong><\/p>\n\n\n\n<p>Asennuksen aikana on tarkistettava, ovatko liikkuvat osat l\u00f6ys\u00e4ll\u00e4, vinossa tai jumissa. Ja ruoste ja muu lika liikkuvista osista ja magneetin kosketuspinnasta tulee poistaa. Magneetin kosketuspintojen v\u00e4lill\u00e4 ei saa olla rakoja k\u00e4yt\u00f6n aikana. Jos aukkoja on, ne on s\u00e4\u00e4dett\u00e4v\u00e4 ja tyhjennett\u00e4v\u00e4.<\/p>\n\n\n\n<p><strong>Kytke ohjauspaneeli tai ohjain<\/strong><\/p>\n\n\n\n<p>Jokaisen koskettimen liitospinnan tulee olla linjakoskettimessa, noin 10-17 N paineella koskettimen koosta riippuen, s\u00e4\u00e4dett\u00e4ess\u00e4 jousta painavalla mutterilla. Jokainen johtoruuvi tulee kirist\u00e4\u00e4 ja kosketuksen tulee olla hyv\u00e4. K\u00e4ytt\u00f6kahvan tulee olla joustava ja vaihdeasennon tulee olla selke\u00e4.<\/p>\n\n\n\n<p><strong>Vastus<\/strong><\/p>\n\n\n\n<p>Vastuksen johdotus on liitett\u00e4v\u00e4 oikein annettujen tietojen mukaan. Jos havaitaan, ett\u00e4 s\u00e4hk\u00f6moottorin teho on riitt\u00e4m\u00e4t\u00f6n ja ohjauskahva ei pysty nostamaan nimelliskuormaa tai k\u00e4ynnist\u00e4m\u00e4\u00e4n suuria ja pieni\u00e4 ajoneuvoja m\u00e4\u00e4ritellyss\u00e4 asennossa, on suoritettava tarkastus. Tarkista ensin, onko vastuksen johdotuksessa virheit\u00e4. Kaksoismoottorilla toimivissa mekanismeissa k\u00e4ytett\u00e4v\u00e4t vastukset tulee s\u00e4\u00e4t\u00e4\u00e4 asianmukaisesti.<\/p>","protected":false},"excerpt":{"rendered":"<p>Voimalaitosten rakentamisessa siltanosturit ovat laajalti k\u00e4ytetty nostolaite. Sen toistuva k\u00e4ytt\u00f6, raskas ty\u00f6kuorma ja suuri t\u00e4rin\u00e4 johtavat korkeaan vikaantumiseen. Tieteelliset ja j\u00e4rkev\u00e4t rakennusmenetelm\u00e4t ovat avainasemassa asennuksen laadun varmistamiseksi siltanostureiden s\u00e4hk\u00f6asennuksen ja k\u00e4ytt\u00f6\u00f6nottoprosessin aikana. S\u00e4hk\u00f6laitteiden asennus\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\/fi\/electrical-installation-and-commissioning-of-bridge-crane\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" 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