{"id":11177,"date":"2024-12-09T01:05:54","date_gmt":"2024-12-09T01:05:54","guid":{"rendered":"https:\/\/www.dgcrane.com\/?post_type=posts&#038;p=11177"},"modified":"2025-01-17T06:27:02","modified_gmt":"2025-01-17T06:27:02","slug":"overhead-crane-electrical-troubleshooting","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/cs\/posts\/overhead-crane-electrical-troubleshooting\/","title":{"rendered":"Z\u00e1kladn\u00ed pr\u016fvodce \u0159e\u0161en\u00edm elektrick\u00fdch probl\u00e9m\u016f s mostov\u00fdm je\u0159\u00e1bem: Kl\u00ed\u010dov\u00e9 chyby a anal\u00fdza"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Obsah<\/p><nav><ul><li><a href=\"#the-meaning-of-overhead-crane-electrical-faults\">V\u00fdznam elektrick\u00fdch poruch mostov\u00e9ho je\u0159\u00e1bu<\/a><\/li><li><a href=\"#classification-of-electrical-faults\">Klasifikace elektrick\u00fdch poruch<\/a><\/li><li><a href=\"#working-principle-of-the-overhead-crane-electrical-system\">Princip \u010dinnosti elektrick\u00e9ho syst\u00e9mu mostov\u00e9ho je\u0159\u00e1bu<\/a><\/li><li><a href=\"#overhead-crane-electrical-faults-troubleshooting-guide\">Pr\u016fvodce odstra\u0148ov\u00e1n\u00edm z\u00e1vad elektrick\u00fdch poruch mostov\u00e9ho je\u0159\u00e1bu<\/a><\/li><li><a href=\"#conclusion\">Z\u00e1v\u011br<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1620\" height=\"1080\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2024\/12\/Overhead-Crane-Electrical-Troubleshooting.jpg\" alt=\"\" class=\"wp-image-11178\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2024\/12\/Overhead-Crane-Electrical-Troubleshooting.jpg 1620w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2024\/12\/Overhead-Crane-Electrical-Troubleshooting-1536x1024.jpg 1536w\" sizes=\"(max-width: 1620px) 100vw, 1620px\" \/><\/figure>\n\n\n\n<p>Odstra\u0148ov\u00e1n\u00ed probl\u00e9m\u016f s elekt\u0159inou mostov\u00e9ho je\u0159\u00e1bu je z\u00e1sadn\u00ed kv\u016fli vysok\u00e9 frekvenci pou\u017e\u00edv\u00e1n\u00ed je\u0159\u00e1bu. Jak\u00e1koli porucha m\u016f\u017ee v\u00fdznamn\u011b ovlivnit nep\u0159etr\u017eitou v\u00fdrobu, p\u0159\u00edpadn\u011b zp\u016fsobit po\u0161kozen\u00ed vysoce hodnotn\u00fdch v\u00fdrobn\u00edch za\u0159\u00edzen\u00ed, jako jsou gener\u00e1tory a turb\u00edny, co\u017e by m\u011blo za n\u00e1sledek finan\u010dn\u00ed ztr\u00e1ty spole\u010dnosti. Proto se prov\u00e1d\u011bn\u00ed anal\u00fdzy poruch a rychl\u00e9 \u0159e\u0161en\u00ed probl\u00e9m\u016f u mostov\u00fdch je\u0159\u00e1b\u016f stalo nezbytnou sou\u010d\u00e1st\u00ed spr\u00e1vy za\u0159\u00edzen\u00ed v modern\u00edch podnic\u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-meaning-of-overhead-crane-electrical-faults\">V\u00fdznam elektrick\u00fdch poruch mostov\u00e9ho je\u0159\u00e1bu<\/h2>\n\n\n\n<p>Elektrick\u00e9 poruchy se t\u00fdkaj\u00ed ud\u00e1lost\u00ed a podm\u00ednek, kdy elektrick\u00e9 syst\u00e9my, za\u0159\u00edzen\u00ed nebo komponenty ji\u017e nemohou nebo brzy nebudou schopny plnit zam\u00fd\u0161len\u00e9 funkce. Jin\u00fdmi slovy, kdy\u017e se alespo\u0148 jedna kritick\u00e1 charakteristika nebo parametr v syst\u00e9mu, za\u0159\u00edzen\u00ed nebo komponent\u011b v\u00fdrazn\u011b odchyluje od sv\u00e9ho p\u0159ijateln\u00e9ho rozsahu, nebo kdy\u017e je v\u00fdkon syst\u00e9mu, za\u0159\u00edzen\u00ed nebo komponenty v\u00fdrazn\u011b pod svou norm\u00e1ln\u00ed \u00farovn\u00ed a nen\u00ed schopen plnit svou o\u010dek\u00e1vanou funkci. , je to pova\u017eov\u00e1no za chybu. Obecn\u011b \u0159e\u010deno, elektrick\u00e9 poruchy lze tak\u00e9 definovat jako jak\u00fdkoli abnorm\u00e1ln\u00ed jev, kter\u00fd zp\u016fsobuje, \u017ee elektrick\u00fd syst\u00e9m vykazuje ne\u017e\u00e1douc\u00ed vlastnosti.<\/p>\n\n\n\n<p>Z hlediska syst\u00e9mu maj\u00ed poruchy elektrick\u00e9ho za\u0159\u00edzen\u00ed dva hlavn\u00ed v\u00fdznamy:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Odchylka od norm\u00e1ln\u00ed funkce:<\/strong> Jedn\u00e1 se o situaci, kdy se technick\u00e9 parametry elektrick\u00e9ho za\u0159\u00edzen\u00ed odchyluj\u00ed od jeho b\u011b\u017en\u00e9ho provozn\u00edho nebo jmenovit\u00e9ho stavu. P\u0159\u00ed\u010dinou t\u00e9to odchylky jsou obvykle abnorm\u00e1ln\u00ed pracovn\u00ed podm\u00ednky (v\u010detn\u011b sou\u010d\u00e1st\u00ed), kter\u00e9 lze \u010dasto napravit pomoc\u00ed technick\u00fdch a parametrick\u00fdch \u00faprav nebo opravou nebo v\u00fdm\u011bnou vadn\u00fdch sou\u010d\u00e1st\u00ed, \u010d\u00edm\u017e se za\u0159\u00edzen\u00ed vr\u00e1t\u00ed k norm\u00e1ln\u00ed funk\u010dnosti. Nap\u0159\u00edklad gener\u00e1tor vykazuj\u00edc\u00ed sn\u00ed\u017een\u00fd v\u00fdkon, ni\u017e\u0161\u00ed frekvenci a zv\u00fd\u0161en\u00e9 vibrace b\u011bhem provozu.<\/li>\n\n\n\n<li><strong>Funk\u010dn\u00ed porucha:<\/strong> To se t\u00fdk\u00e1 trval\u00e9 odchylky od norm\u00e1ln\u00ed funk\u010dnosti, kter\u00e1 se postupn\u011b zhor\u0161uje a za\u0159\u00edzen\u00ed nen\u00ed schopno plnit sv\u00e9 z\u00e1kladn\u00ed funkce. Tato porucha je obvykle zp\u016fsobena po\u0161kozen\u00edm kritick\u00fdch sou\u010d\u00e1st\u00ed, co\u017e vede k \u00fapln\u00e9 ztr\u00e1t\u011b funk\u010dnosti. Nap\u0159\u00edklad ve vinut\u00ed motoru doch\u00e1z\u00ed ke zkratu nebo p\u0159eru\u0161en\u00ed obvodu.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"classification-of-electrical-faults\">Klasifikace elektrick\u00fdch poruch<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Podle povahy:\n<ul class=\"wp-block-list\">\n<li>Chyby lidsk\u00e9ho faktoru<\/li>\n\n\n\n<li>P\u0159\u00edrodn\u00ed poruchy<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Podle rychlosti v\u00fdvoje:\n<ul class=\"wp-block-list\">\n<li>N\u00e1hl\u00e9 poruchy<\/li>\n\n\n\n<li>Postupn\u00e9 poruchy<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Podle p\u0159\u00ed\u010diny selh\u00e1n\u00ed:\n<ul class=\"wp-block-list\">\n<li>Vnit\u0159n\u00ed poruchy<\/li>\n\n\n\n<li>Poruchy souvisej\u00edc\u00ed s pou\u017e\u00edv\u00e1n\u00edm<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Podle z\u00e1va\u017enosti:\n<ul class=\"wp-block-list\">\n<li>Drobn\u00e9 z\u00e1vady<\/li>\n\n\n\n<li>Obecn\u00e9 z\u00e1vady<\/li>\n\n\n\n<li>T\u011b\u017ek\u00e9 z\u00e1vady<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Podle konfigurace elektrick\u00e9ho za\u0159\u00edzen\u00ed:\n<ul class=\"wp-block-list\">\n<li>Poruchy nap\u00e1jen\u00ed<\/li>\n\n\n\n<li>Poruchy obvodu<\/li>\n\n\n\n<li>Z\u00e1vady za\u0159\u00edzen\u00ed a komponent\u016f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>Jevy elektrick\u00fdch poruch se velmi li\u0161\u00ed. Stejn\u00fd typ poruchy se m\u016f\u017ee projevit r\u016fzn\u00fdmi poruchov\u00fdmi jevy a r\u016fzn\u00e9 typy poruch mohou vykazovat podobn\u00e9 p\u0159\u00edznaky. Tato dualita v\u00fdskytu z\u00e1vad komplikuje diagnostiku z\u00e1vad. Poruchov\u00e9 jevy jsou v\u0161ak prim\u00e1rn\u00edm z\u00e1kladem pro diagnostiku elektrick\u00fdch poruch a slou\u017e\u00ed jako v\u00fdchoz\u00ed bod pro \u0159e\u0161en\u00ed probl\u00e9m\u016f. Proto je kl\u00ed\u010dov\u00e9 pozorn\u011b pozorovat a analyzovat poruchov\u00e9 jevy, identifikovat nejv\u00fdznamn\u011bj\u0161\u00ed a nejtypi\u010dt\u011bj\u0161\u00ed aspekty a porozum\u011bt \u010dasu, m\u00edstu a prost\u0159ed\u00ed, ve kter\u00e9m se porucha vyskytuje. Tento \u010dl\u00e1nek pou\u017e\u00edv\u00e1 mostov\u00fd je\u0159\u00e1b 30\/5T jako p\u0159\u00edklad k proveden\u00ed anal\u00fdzy z\u00e1vad.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"working-principle-of-the-overhead-crane-electrical-system\">Princip \u010dinnosti elektrick\u00e9ho syst\u00e9mu mostov\u00e9ho je\u0159\u00e1bu<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2024\/12\/Overhead-Crane-Electrical-System-scaled.jpg\" alt=\"\" class=\"wp-image-11183\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2024\/12\/Overhead-Crane-Electrical-System-scaled.jpg 2560w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2024\/12\/Overhead-Crane-Electrical-System-1536x1024.jpg 1536w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2024\/12\/Overhead-Crane-Electrical-System-2048x1365.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>Je\u0159\u00e1b pou\u017e\u00edv\u00e1 motor s vinut\u00fdm rotorem s vn\u011bj\u0161\u00edm odporem v okruhu rotoru pro \u0159\u00edzen\u00ed rychlosti. Ovl\u00e1dac\u00ed prvky voz\u00edku a voz\u00edku pou\u017e\u00edvaj\u00ed va\u010dkov\u00e9 ovlada\u010de k p\u0159\u00edm\u00e9mu ovl\u00e1d\u00e1n\u00ed start\/stop a rychlosti chodu zdvihac\u00edho mechanismu, zat\u00edmco hlavn\u00ed a pomocn\u00e9 h\u00e1ky jsou ovl\u00e1d\u00e1ny kombinac\u00ed konven\u010dn\u00edch styka\u010d\u016f, rel\u00e9 a hlavn\u00edch ovl\u00e1dac\u00edch ovlada\u010d\u016f pro \u0159\u00edzen\u00ed zved\u00e1n\u00ed a spou\u0161t\u011bn\u00ed. Ochrann\u00fd syst\u00e9m zahrnuje nadproudovou ochranu motoru, ochranu proti zkratu, podp\u011b\u0165ovou ochranu, blokov\u00e1n\u00ed nulov\u00e9 polohy regul\u00e1toru a bezpe\u010dnostn\u00ed sp\u00edna\u010de pro kabinu oper\u00e1tora a z\u00e1bradl\u00ed. <\/p>\n\n\n\n<p>Vzhledem k po\u017eadavk\u016fm v\u00fdrobn\u00edho procesu jsou hlavn\u00ed a pomocn\u00e9 h\u00e1ky vybaveny \u0161esti rychlostn\u00edmi p\u0159evody pro dosa\u017een\u00ed r\u016fzn\u00fdch mechanick\u00fdch vlastnost\u00ed motoru, co\u017e zaji\u0161\u0165uje, \u017ee je\u0159\u00e1b spl\u0148uje r\u016fzn\u00e9 zdvihov\u00e9 a provozn\u00ed podm\u00ednky.<\/p>\n\n\n\n<p>Princip ovl\u00e1d\u00e1n\u00ed spo\u010d\u00edv\u00e1 v pou\u017eit\u00ed dop\u0159edn\u00fdch a zp\u011btn\u00fdch styka\u010d\u016f pro sp\u00edn\u00e1n\u00ed sledu f\u00e1z\u00ed statoru motoru, ovl\u00e1d\u00e1n\u00ed ot\u00e1\u010den\u00ed motoru vp\u0159ed a vzad. Styka\u010d brzdy aktivuje t\u0159\u00edf\u00e1zovou elektromagnetickou brzdu, zat\u00edmco obvod rotoru obsahuje sedm symetricky zapojen\u00fdch odpor\u016f. Prvn\u00ed dva odpory jsou zp\u011btn\u00e9 brzdn\u00e9 odpory a zb\u00fdvaj\u00edc\u00ed \u010dty\u0159i jsou spou\u0161t\u011bc\u00ed a urychlovac\u00ed odpory.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-electrical-faults-troubleshooting-guide\">Pr\u016fvodce odstra\u0148ov\u00e1n\u00edm z\u00e1vad elektrick\u00fdch poruch mostov\u00e9ho je\u0159\u00e1bu<\/h2>\n\n\n\n<p>Na z\u00e1klad\u011b elektrick\u00e9ho ovl\u00e1d\u00e1n\u00ed je\u0159\u00e1bu jsou v t\u00e9to \u010d\u00e1sti analyzov\u00e1ny b\u011b\u017en\u00e9 elektrick\u00e9 poruchy mostov\u00fdch je\u0159\u00e1b\u016f. Podrobn\u00e9 informace naleznete v n\u00ed\u017ee uveden\u00e9m souboru PDF.<\/p>\n\n\n\n<div class=\"wp-block-file postspdf\"><a id=\"wp-block-file--media-9b81047e-a227-4a99-87db-2d735dce4cf9\" href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2024\/12\/Guide-to-Fault-Analysis-and-Troubleshooting-of-Overhead-Crane-Electrical-Equipment.pdf\">Pr\u016fvodce odstra\u0148ov\u00e1n\u00edm probl\u00e9m\u016f s elektrick\u00fdm za\u0159\u00edzen\u00edm mostov\u00e9ho je\u0159\u00e1bu<\/a><a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2024\/12\/Guide-to-Fault-Analysis-and-Troubleshooting-of-Overhead-Crane-Electrical-Equipment.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-9b81047e-a227-4a99-87db-2d735dce4cf9\">Sta\u017een\u00ed<\/a><\/div>\n\n\n\n<p>Z PDF lze pozorovat, \u017ee kdy\u017e dojde k poru\u0161e jedin\u00e9ho elektrick\u00e9ho za\u0159\u00edzen\u00ed v elektrick\u00e9m syst\u00e9mu je\u0159\u00e1bu, je poruchov\u00fd jev obvykle z\u0159ejm\u00fd, co\u017e person\u00e1lu \u00fadr\u017eby usnad\u0148uje identifikaci a \u0159e\u0161en\u00ed probl\u00e9mu. Jak v\u0161ak je\u0159\u00e1b st\u00e1rne a celkov\u00fd v\u00fdkon elektrick\u00e9ho za\u0159\u00edzen\u00ed kles\u00e1, poruchov\u00fd jev se \u010dasto st\u00e1v\u00e1 kombinac\u00ed v\u00edce poruch, tak\u017ee je mnohem slo\u017eit\u011bj\u0161\u00ed. V takov\u00fdch p\u0159\u00edpadech m\u016f\u017ee b\u00fdt obt\u00ed\u017en\u00e9 ur\u010dit konkr\u00e9tn\u00ed chybu a probl\u00e9m nemus\u00ed b\u00fdt snadno identifikovateln\u00fd. Tyto sc\u00e9n\u00e1\u0159e se b\u011b\u017en\u011b odr\u00e1\u017eej\u00ed ve zp\u011btn\u00e9 vazb\u011b oper\u00e1tora a zpr\u00e1v\u00e1ch o \u00fadr\u017eb\u011b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p>Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee k zaji\u0161t\u011bn\u00ed hladk\u00e9ho provozu v\u00fdroby podniku a zabr\u00e1n\u011bn\u00ed bezpe\u010dnostn\u00edm rizik\u016fm zp\u016fsoben\u00fdm poruchami je\u0159\u00e1bu by se spole\u010dnosti m\u011bly zam\u011b\u0159it na zlep\u0161en\u00ed spr\u00e1vy za\u0159\u00edzen\u00ed t\u00edm, \u017ee mezi provozovateli za\u0159\u00edzen\u00ed pos\u00edl\u00ed porozum\u011bn\u00ed elektrotechnice a bezpe\u010dnostn\u00edm znalostem. Prioritou by m\u011bla b\u00fdt obsluha, \u00fadr\u017eba a opravy je\u0159\u00e1bu se zv\u00fd\u0161enou \u010detnost\u00ed \u00fadr\u017eby a kontrol. Proaktivn\u00ed opat\u0159en\u00ed k prevenci poruch je\u0159\u00e1bu mohou v\u00fdrazn\u011b sn\u00ed\u017eit pravd\u011bpodobnost komplexn\u00edch poruch, a t\u00edm prodlou\u017eit \u017eivotnost za\u0159\u00edzen\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"Odstra\u0148ov\u00e1n\u00ed probl\u00e9m\u016f s elekt\u0159inou mostov\u00e9ho je\u0159\u00e1bu je z\u00e1sadn\u00ed kv\u016fli vysok\u00e9 frekvenci pou\u017e\u00edv\u00e1n\u00ed je\u0159\u00e1bu. Jak\u00e1koli porucha m\u016f\u017ee v\u00fdznamn\u011b ovlivnit nep\u0159etr\u017eitou v\u00fdrobu, p\u0159\u00edpadn\u011b zp\u016fsobit po\u0161kozen\u00ed vysoce hodnotn\u00fdch v\u00fdrobn\u00edch za\u0159\u00edzen\u00ed, jako jsou gener\u00e1tory a turb\u00edny, co\u017e by m\u011blo za n\u00e1sledek finan\u010dn\u00ed ztr\u00e1ty spole\u010dnosti. Proto se prov\u00e1d\u011bn\u00ed anal\u00fdzy chyb a rychl\u00e9 \u0159e\u0161en\u00ed probl\u00e9m\u016f u mostov\u00fdch je\u0159\u00e1b\u016f stalo [\u2026]","protected":false},"featured_media":11178,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[351],"posts_tag":[6,760],"class_list":["post-11177","posts","type-posts","status-publish","has-post-thumbnail","hentry","posts_category-blog","posts_tag-overhead-crane","posts_tag-overhead-crane-electrical-troubleshooting"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/11177"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":9,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/11177\/revisions"}],"predecessor-version":[{"id":11781,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/11177\/revisions\/11781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media\/11178"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=11177"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts_category?post=11177"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=11177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}