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dc.creatorArsić, Miodrag
dc.creatorVistać, Brane
dc.creatorBošnjak, Srđan
dc.creatorGrabulov, Vencislav
dc.creatorSavić, Zoran
dc.date.accessioned2022-04-18T15:12:18Z
dc.date.available2022-04-18T15:12:18Z
dc.date.issued2014
dc.identifier.isbn978-3038352402
dc.identifier.issn1022-6680
dc.identifier.urihttp://rims.institutims.rs/handle/123456789/248
dc.description.abstractVertical Kaplan turbines, manufactured in Russia and with nominal power of 200 MW, have been installed in 6 hydroelectric generating units at ’Djerdap 1’. During the refurbishment of hydropower plant experimental non-destructive tests were performed in order to determine the state of turbine components. During the course of testing damage was detected at sleeves and welded shields of guide vanes, which occurred as a consequence of turbine shaft vibrations. 1782 mm long guide vane sleeves were made of cast steel 25L (GOST standard), 260 mm long sleeve was made of forged steel St 25 (GOST standard), while welded shields of guide vanes were made of austenitic steel 08X18H10T (GOST standard). Results of experimental tests and methodology for reparation of damaged surfaces of sleeves and welded shields of guide vanes are presented in this paper. It was necessary, due to the structural solution used for the design of guide vanes and their function during service, to define a large number of details, carefully reconsider them and carry out all activities with extreme care in order to enable the safe operation and continuous use of vanes through the use of reparation methodology for welding/surface welding of sleeves and welded shields. Overlooking, underestimation or incorrect perception of important details could cause significant problems during turbine operation.en
dc.publisherTrans Tech Publications Ltd
dc.rightsrestrictedAccess
dc.sourceAdvanced Materials Research
dc.subjectSleeveen
dc.subjectReparation methodologyen
dc.subjectHydro turbineen
dc.subjectDamageen
dc.subjectCranken
dc.titleMethodology for reparation of damaged sleeves and welded shield sections of guide vanes at hydropower plant DJERDAP 1en
dc.typeconferenceObject
dc.rights.licenseARR
dc.citation.epage13
dc.citation.other1029: 8-13
dc.citation.spage8
dc.citation.volume1029
dc.identifier.doi10.4028/www.scientific.net/AMR.1029.8
dc.identifier.scopus2-s2.0-84912058806
dc.type.versionpublishedVersion


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