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Delovanje in modernizacija žerjava Cattaneo CM90S4
ŽETKO, JANEJ (Author), Fišer, Rastko (Mentor) More about this mentor... This link opens in a new window

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Abstract
Zaradi vse večje potrebe po neprekinjenem delovanju žerjavov moramo slediti razvoju tehnologije in nadgrajevati posamezne sestavne dele žerjava. Vsak izpad delovanja žerjava pomeni za podjetje izgubo prihodkov, zato podjetja poskušajo zagotavljati neprekinjeno delovanje žerjavov. Veliko vlogo v pogonu žerjavov imajo frekvenčni pretvorniki, ki so postali nepogrešljiv element delovanja žerjavov. Osnovni namen diplomske naloge je predstaviti delovanje in modernizacijo žerjava Cattaneo CM90S4. V diplomski nalogi smo prikazali, v katerih panogah je uporaba žerjava najpogostejša, saj je uporaba teh na tržišču močno povečana. Žerjavi so postali veliko bolj dovršeni in praktični, zato so nepogrešljiv element v vseh večjih industrijah in na gradbiščih. Zaradi povečane uporabe žerjavov je morala država glede na zakonodajo EU poskrbeti za ustrezno tehnično zakonodajo na tem področju, ki je opisana v prvem poglavju. V drugem poglavju so predstavljene najpogostejše vrste žerjavov, njihovo delovanje, robustnost obratovanja, najpogostejše okvare na žerjavih, zaščita žerjavov in pogoji za postavitev žerjavov. V tretjem poglavju diplomske naloge smo prikazali uporabo, delovanje in vrste frekvenčnih pretvornikov. V četrtem poglavju je podrobneje opisan žerjav Cattaneo CM90S4 in njegovi sestavni deli. Frekvenčna pretvornika Omron Varispeed F7 in Yaskawa VS – 606V7, ki smo ju uporabili pri nadgrajevanju žerjava Cattaneo CM90S4, sta opisana v poglavju pet in šest. V poglavju sedem je opisano vgrajevanje omenjenih frekvenčnih pretvornikov in vnos parametrov. V prihodnosti bo uporaba frekvenčnih pretvornikov še naraščala, saj nam zagotavljajo manjšo porabo električne energije in večjo robustnost obratovanja.

Language:Slovenian
Keywords:žerjav, tehnična zakonodaja, frekvenčni pretvornik, Yaskawa VS – 606V7, CIMR – F7Z4011 Omron, Cattaneo CM90S4
Work type:Bachelor thesis/paper (mb11)
Organization:FE - Faculty of Electrical Engineering
Year:2017
Views:818
Downloads:374
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Secondary language

Language:English
Title:Operation and modernization of Cattaneo CM90S4 crane
Abstract:
Due to the growing need for continuous and smooth operation of cranes, we shall follow the development of technology and upgrade individual components of the crane. Each downtime of the crane means a loss of revenue for the respective company, therefore companies are trying to ensure the smooth continuous operation of cranes. Frequency converters have become an indispensable element in the operation of cranes. The main purpose of this diploma is to present the operation and modernization of the crane Cattaneo CM90S4. Moreover, due to increase of usage of the named crane on the market, we have also indicated the sectors where the use of this type of crane is the most frequent. Cranes have become much more sophisticated and practical, and therefore they are an indispensable element in all major industries and construction sites. Due to the increased use of cranes, the state had to provide an appropriate technical legislation for this area. The mentioned legislation is described in the first chapter. The second chapter presents the most common types of cranes, their performance, robust operation, their most common defects, their protection and the conditions for their positioning. In the third chapter of the thesis we have focused on the use, operation and the type of frequency converters. The crane Cattaneo CM90S4 and its components are described in the chapter four. We focused on the frequency converters Omron Varispeed F7 and Yaskawa VS – 606V7 in the chapter five and six. They were used to upgrade the crane Cattaneo CM90S4. Chapter seven describes the installation of the above mentioned frequency converters and input of the parameters. In the future it is expected that the use of frequency converters will continue to grow, as it ensures lower power consumption and greater robustness of operation.

Keywords:crane, technical legislation, frequency converter, Yaskawa VS – 606V7, CIMR – F7Z4011 Omron, Cattaneo CM90S4.

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