Application of Split Roller Bearings in Small Vertical Hydro Turbinesby Daniel Kenyon, GE, Minneapolis, MN, USA,
Jon Jacobsen, GE, Minneapolis, MN, USA,
Abstract: The elimination of lower turbine bearing problems with regard to reliability and water flow contamination was the main concern of this project. A design was needed that would fit the existing head cover with little or no modification and yet be able to use the latest in bearing technology. The lubrication system would have to require minimum maintenance and inspection, yet safeguard the water quality of the stream flow. These and other considerations were the driving forces in the development of the split roller bearing for application in small hydro turbines. This study is based on the modification of two different units for the same customer to accept split roller bearings in place of the existing babbit bearings.
Subject Headings: Turbines | Water pollution | Water flow | Water quality | Streamflow | Maintenance | Inspection | Safety
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