In this work, we analyzed the operation of oil tank frame filters with baffle plates made of brass nets (GOST 6613–86). Monitoring results showed that when filtering water-cut oil, its strength and corrosion resistance were found to be insufficient, and they do not provide the required oil purity. An appropriate filter material was selected for the frame filters of the oil tanks in the turbine units. For the T-180-210 LMZ turbine unit, the frame filters for fine and coarse cleaning were modernized. For the T-200-130 LMZ turbine unit, the coarse frame filters were modernized. The upgradation of the frame filters brought about a significant improvement in the purity of the turbine oil. Using the method of express analysis of the industrial purity of oils and the water content in them, the diagnostics of the operation of the bearings in the T-200-130 LMZ and T-180-210 LMZ turbine units was performed. Solid contamination curves of the turbine oil were plotted. The source of the large number of mechanical particles in the working fluid in the T-200-130 LMZ turbine unit was found. Turbine oil flooding sources in the T-180-210 LMZ turbine unit were detected. A set of measures was established to improve the efficiency of turbine oil filtration, regular monitoring of cleanliness, and timely diagnostics of power equipment failures, in a bid to significantly increase the service life of turbine units.
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Translated from Élektricheskie Stantsii, No. 2, February 2023, pp. 38 – 43. DOI: https://doi.org/10.34831/EP.2023.1099.2.007
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Osintcev, K.V., Pshenisnov, N.A. & Pshenisnov, A.I. Set of Measures to Increase the Purity of Turbine Oil. Power Technol Eng 57, 290–295 (2023). https://doi.org/10.1007/s10749-023-01658-x
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DOI: https://doi.org/10.1007/s10749-023-01658-x