2004
DOI: 10.21236/ada428907
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Performance Problems with Group II Hydro-Cracked Turbine Oils in Corps of Engineers Hydropower Facilities

Abstract: The Corps of Engineers has historically used solvent-refined napthenic-type base oils (Group I) for lubricating hydroelectric turbines and associated governor systems. Products now being supplied by the lubrication industry for the same purpose are based on hydro-cracked paraffmic oils (Group II). While these Group II products are advertised to have superior properties for use in gas and steam turbines, they have been reported to result in foaming and sludge formation when used in hydroelectric turbines. A sur… Show more

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