Diagnostics of a hydraulic turbine failure
Authors: Monica Egusquiza, Alex Presas, David Valentin, Carme Valero, Beibei Xu, Diyi Chen, Eduard Egusquiza
Abstract
This paper presents the failure analysis and diagnostic of a hydraulic turbine. Shortly after a maintenance revision the thrust bearing of the turbine was destroyed when the turbine was put into operation. The damage bearing ws examined and the possible causes discussed. To identify the problem that led to the failure of the thrust bearing, a comprehensive on-site measurement campaign was done. Vibrations, pressures, temperatures and operating parameters were aquaired at different operating conditions of the turbine. The analysis of the data allowed to determine the source of the problem and implement a solution.
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