1. \u00cenchide\u021bi \u00eentrerup\u0103torul de alimentare \u0219i siguran\u021ba siguran\u021bei de alimentare se va topi<\/p>\n\n\n\n
Cauza defec\u021biunii: Exist\u0103 un fenomen de \u00eemp\u0103m\u00e2ntare sau scurtcircuit.<\/p>\n\n\n\n
Metoda de depanare: Verifica\u021bi circuitul de alimentare, identifica\u021bi punctul de \u00eemp\u0103m\u00e2ntare sau scurtcircuit \u0219i elimina\u021bi-l.<\/p>\n\n\n\n
2. Contactorul principal nu se cupleaz\u0103<\/p>\n\n\n\n
Cauza defec\u021biunii: \u00centrerup\u0103torul de urgen\u021b\u0103 nu este \u00eenchis. Comutatorul de pozi\u021bie de siguran\u021b\u0103 al u\u0219ii cabinei nu este \u00eenchis. Controlerul nu a revenit \u00een pozi\u0163ia zero. Circuit deschis bobina contactorului sau surs\u0103 de alimentare lips\u0103 de func\u021bionare.<\/p>\n\n\n\n
Metoda de depanare: Verifica\u021bi \u0219i \u00eenchide\u021bi \u00eentrerup\u0103torul de urgen\u021b\u0103 sau comutatorul de pozi\u021bie a u\u0219ii. Verifica\u021bi controlerul pentru a-l seta \u00een pozi\u021bia zero. \u00cenlocui\u021bi bobina contactorului. Dac\u0103 nu exist\u0103 putere de func\u021bionare, alimentarea trebuie restabilit\u0103.<\/p>\n\n\n\n
3. Dup\u0103 ce contactorul principal este cuplat, releul de supracurent ac\u021bioneaz\u0103 \u0219i contactorul este eliberat<\/p>\n\n\n\n
Cauza defec\u021biunii: Circuitul controlerului este \u00eemp\u0103m\u00e2ntat.<\/p>\n\n\n\n
Metoda de depanare: Deconecta\u021bi conexiunea dintre discul de protec\u021bie \u0219i controler, apoi conecta\u021bi-o treptat. \u00cenchide\u021bi contactorul o dat\u0103 de fiecare dat\u0103 c\u00e2nd este conectat, verifica\u021bi firul \u00een func\u021bie de func\u021bionarea releului de supracurent \u0219i elimina\u021bi defec\u021biunea de \u00eemp\u0103m\u00e2ntare.<\/p>\n\n\n\n
4. Dup\u0103 ce regulatorul este \u00eenchis, releul de supracurent ac\u021bioneaz\u0103 \u0219i contactorul este eliberat<\/p>\n\n\n\n
Cauza defec\u021biunii: Valoarea de setare a releului de supracurent este prea mic\u0103, iar circuitul statorului este \u00eemp\u0103m\u00e2ntat.<\/p>\n\n\n\n
Metoda de depanare: Reajusta\u021bi valoarea de setare a releului de supracurent, utiliza\u021bi un megaohmmetru pentru a verifica \u0219i depana defec\u021biunea de \u00eemp\u0103m\u00e2ntare.<\/p>\n\n\n\nCauzele defec\u021biunilor de func\u021bionare electric\u0103 la podul macarale sunt foarte complexe. Numai prin efectuarea detect\u0103rii la timp a acestor defec\u021biuni, determin\u00e2nd tipul \u0219i cauza defec\u021biunilor, putem identifica strategiile de prevenire \u0219i solu\u021bionare a defec\u021biunilor electrice ale macaralei. Reduc\u00e2nd astfel impactul asupra echipamentelor \u0219i siguran\u021bei personale \u0219i asigur\u00e2nd func\u021bionarea \u00een siguran\u021b\u0103 a echipamentelor electrice.<\/p>","protected":false},"excerpt":{"rendered":"
\u00cen prezent, exist\u0103 dou\u0103 metode principale de detectare a defec\u021biunilor electrice la podurile macarale, \u0219i anume metoda senzorial\u0103 \u0219i metoda de urgen\u021b\u0103. Ambele metode folosesc sim\u021burile pentru a percepe punctul de defect \u0219i apoi a determina tipul de defect pe baza fenomenelor de defect de suprafa\u021b\u0103. Eficien\u021ba detect\u0103rii este foarte sc\u0103zut\u0103, ceea ce poate duce cu u\u0219urin\u021b\u0103 la reapari\u021bia defec\u021biunilor...<\/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":"\n
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