Methods of normalizing the thermal expansions that occur in turbo units of different powers are considered. A modern solution for the assembly of sleeve joints using a hydraulic instrument to increase the vibration reliability is proposed. The measures described for repairing turbo units enable the amount of effort and time of subsequent capital repairs to be reduced considerably for relatively low initial costs.
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References
D. V. Taradai and E. A. Don, “Improvement of the technology for assembling the flange joints of turbine shafts,” Élektr. Stantsii, No. 5 (2008).
K. E. Buglaev, E. A. Don and D. V. Taradai, “The use of the SDART system for diagnosing thermal expansions in turbogenerators,” Teploénergetika, No. 6 (2005).
RD 3430506–90. Systematic Instructions on Normalizing the Thermal Expansions of the Cylinders of Power Plant Steam Turbines [in Russian], Izd. VTI, Moscow (1991).
RF Pat. No. 43929, E. A. Don, D. V. Taradai, N. N. Shilovich and V. P. Skladchikov, “A device for assembling the sleeve joints of shafts (versions),” Byull. Izobret., No. 4 (2005).
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Translated from Élektricheskie Stantsii, No. 6, June 2011, pp. 54 – 57.
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Don, E.A., Taradai, D.V., Ponomarenko, A.P. et al. Improvement of the thermal expansions and vibration reliability in the pgrading of the K-330-240 turbo units of the kashira state regional power plant (GRÉS). Power Technol Eng 45, 305–308 (2011). https://doi.org/10.1007/s10749-011-0266-9
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DOI: https://doi.org/10.1007/s10749-011-0266-9