{"id":4979,"date":"2024-03-07T17:26:50","date_gmt":"2024-03-07T09:26:50","guid":{"rendered":"https:\/\/www.sevencrane.com\/?p=4979"},"modified":"2024-03-07T17:26:53","modified_gmt":"2024-03-07T09:26:53","slug":"electrical-fault-detection-method-for-bridge-crane","status":"publish","type":"post","link":"https:\/\/www.sevencrane.com\/pt\/electrical-fault-detection-method-for-bridge-crane\/","title":{"rendered":"M\u00e9todo de detec\u00e7\u00e3o de falhas el\u00e9tricas para ponte rolante"},"content":{"rendered":"<p>Existem atualmente dois m\u00e9todos principais para detectar falhas el\u00e9tricas em pontes rolantes, nomeadamente o m\u00e9todo sensorial e o m\u00e9todo de emerg\u00eancia. Ambos os m\u00e9todos utilizam sentidos para perceber o ponto de falha e ent\u00e3o determinar o tipo de falha com base nos fen\u00f4menos de falha superficial. A efici\u00eancia de detec\u00e7\u00e3o \u00e9 muito baixa, o que pode facilmente levar \u00e0 recorr\u00eancia de falhas. Este artigo prop\u00f5e alguns m\u00e9todos r\u00e1pidos para detectar falhas el\u00e9tricas em pontes rolantes, na esperan\u00e7a de fornecer uma refer\u00eancia.<\/p>\n\n\n\n<p>Este artigo leva uma <a href=\"https:\/\/www.sevencrane.com\/pt\/pro_cat\/overhead-crane\/\">guindaste de ponte 5t <\/a>por exemplo, analisa as causas de falhas comuns e prop\u00f5e um conjunto de m\u00e9todos de detec\u00e7\u00e3o de falhas el\u00e9tricas intuitivos e f\u00e1ceis de implementar de acordo com o sistema de manuten\u00e7\u00e3o de equipamentos el\u00e9tricos especificado em GB6067-85.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2023\/03\/21170336\/installation-of-bridge-crane.jpg\" alt=\"instala\u00e7\u00e3o de ponte rolante\" class=\"wp-image-4077 lazyload\"\/><noscript><img decoding=\"async\" width=\"750\" height=\"431\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2023\/03\/21170336\/installation-of-bridge-crane.jpg\" alt=\"instala\u00e7\u00e3o de ponte rolante\" class=\"wp-image-4077 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2023\/03\/21170336\/installation-of-bridge-crane.jpg 750w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2023\/03\/21170336\/installation-of-bridge-crane-300x172.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><\/figure>\n\n\n\n<p>1. Feche o interruptor de alimenta\u00e7\u00e3o e o fus\u00edvel do fus\u00edvel derreter\u00e1<\/p>\n\n\n\n<p>Causa do mau funcionamento: H\u00e1 fen\u00f4meno de aterramento ou curto-circuito.<\/p>\n\n\n\n<p>M\u00e9todo de solu\u00e7\u00e3o de problemas: Verifique o circuito de alimenta\u00e7\u00e3o, identifique o ponto de aterramento ou curto-circuito e elimine-o.<\/p>\n\n\n\n<p>2. O contator principal n\u00e3o engata<\/p>\n\n\n\n<p>Causa do mau funcionamento: Interruptor de emerg\u00eancia n\u00e3o fechado. O interruptor de posi\u00e7\u00e3o de seguran\u00e7a da porta da cabine n\u00e3o est\u00e1 fechado. O controlador n\u00e3o retornou \u00e0 posi\u00e7\u00e3o zero. Circuito aberto na bobina do contator ou sem fonte de alimenta\u00e7\u00e3o operacional.<\/p>\n\n\n\n<p>M\u00e9todo de solu\u00e7\u00e3o de problemas: Verifique e feche o interruptor de emerg\u00eancia ou o interruptor de posi\u00e7\u00e3o da porta. Verifique o controlador para coloc\u00e1-lo na posi\u00e7\u00e3o zero. Substitua a bobina do contator. Se n\u00e3o houver energia operacional, a energia dever\u00e1 ser restaurada.<\/p>\n\n\n\n<p>3. Ap\u00f3s o contator principal ser acionado, o rel\u00e9 de sobrecorrente atua e o contator \u00e9 liberado<\/p>\n\n\n\n<p>Causa da falha: O circuito do controlador est\u00e1 aterrado.<\/p>\n\n\n\n<p>M\u00e9todo de solu\u00e7\u00e3o de problemas: Desconecte a conex\u00e3o entre o disco protetor e o controlador e conecte-o gradualmente. Feche o contator uma vez sempre que for conectado, verifique a fia\u00e7\u00e3o de acordo com o funcionamento do rel\u00e9 de sobrecorrente e elimine a falha de aterramento.<\/p>\n\n\n\n<p>4. Ap\u00f3s o controlador ser fechado, o rel\u00e9 de sobrecorrente atua e o contator \u00e9 liberado<\/p>\n\n\n\n<p>Causa da falha: O valor de configura\u00e7\u00e3o do rel\u00e9 de sobrecorrente \u00e9 muito pequeno e o circuito do estator est\u00e1 aterrado.<\/p>\n\n\n\n<p>M\u00e9todo de solu\u00e7\u00e3o de problemas: Reajuste o valor de configura\u00e7\u00e3o do rel\u00e9 de sobrecorrente, use um meg\u00f4hmetro para verificar e solucionar a falha de aterramento.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2020\/10\/21145814\/5t-bridge-crane.jpg\" alt=\"guindaste de ponte 5t\" class=\"wp-image-3722 lazyload\"\/><noscript><img decoding=\"async\" width=\"750\" height=\"562\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2020\/10\/21145814\/5t-bridge-crane.jpg\" alt=\"guindaste de ponte 5t\" class=\"wp-image-3722 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2020\/10\/21145814\/5t-bridge-crane.jpg 750w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2020\/10\/21145814\/5t-bridge-crane-300x225.jpg 300w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2020\/10\/21145814\/5t-bridge-crane-428x321.jpg 428w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2020\/10\/21145814\/5t-bridge-crane-345x258.jpg 345w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2020\/10\/21145814\/5t-bridge-crane-253x190.jpg 253w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><\/figure>\n\n\n\n<p>As causas das falhas de opera\u00e7\u00e3o el\u00e9trica em pontes rolantes s\u00e3o muito complexas. Somente realizando a detec\u00e7\u00e3o oportuna dessas falhas, determinando o tipo e a causa das falhas, podemos identificar as estrat\u00e9gias de preven\u00e7\u00e3o e solu\u00e7\u00e3o para falhas el\u00e9tricas em guindastes. Reduzindo assim o impacto nos equipamentos e na seguran\u00e7a pessoal, e garantindo a opera\u00e7\u00e3o segura dos equipamentos el\u00e9tricos.<\/p>","protected":false},"excerpt":{"rendered":"<p>Existem atualmente dois m\u00e9todos principais para detectar falhas el\u00e9tricas em pontes rolantes, nomeadamente o m\u00e9todo sensorial e o m\u00e9todo de emerg\u00eancia. Ambos os m\u00e9todos utilizam sentidos para perceber o ponto de falha e ent\u00e3o determinar o tipo de falha com base nos fen\u00f4menos de falha superficial. A efici\u00eancia de detec\u00e7\u00e3o \u00e9 muito baixa, o que pode facilmente levar \u00e0 recorr\u00eancia de falhas.\u2026<\/p>","protected":false},"author":2,"featured_media":3498,"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 Fault Detection Method for Bridge Crane<\/title>\n<meta name=\"description\" content=\"This article proposes some fast methods for detecting electrical faults in bridge crane, hoping to provide reference for relevant personnel.\" \/>\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\/pt\/electrical-fault-detection-method-for-bridge-crane\/\" \/>\n<meta property=\"og:locale\" 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