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- W2521567236 abstract "The majority of the aeroderivative industrial gas turbines are operated without an effective method of detecting the onset of oil wetted component failures. Wear debris monitoring is the most effective technique available for detecting impending failure of oil wetted components. Many operators depend on vibration, sump outlet temperature, off-line oil sampling, filter by-pass alarms or a combination of these methods to detect bearing failures. However, none of these provides earlier, verifiable warning of the onset of failure. Adaptation of lube oil debris monitoring systems from aerospace to aeroderivative engines permits operators to eliminate this risk. The General Electric GE90 engine utilizes the Quantitative Debris Monitor (QDM) developed by Vickers, Systems Monitoring Division. The QDM continuously monitors the lube oil for presence of wear debris. This system was qualified to a GE specification and repackaged to be compatible with the industrial turbine environment. In order to validate the QDM package for industrial use, field service evaluations were performed. This paper discusses that experience at one site, Nevada Cogeneration Associates, Inc. (NCA), and reviews the detection capability of the QDM system. There are three LM2500PE engines operated at the subject NCA site. Two engines at this site had previously suffered undetected bearingmore » failures resulting in forced outages during the summer peak season of 1994. Operational experience from the NCA site indicates that their previous bearing failures could have been detected in advance of failures in those engines. This would have permitted scheduled outage and maintenance, and lead time for replacement parts, minimizing turbine down time and associated costs.« less" @default.
- W2521567236 created "2016-09-30" @default.
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- W2521567236 date "1996-12-31" @default.
- W2521567236 modified "2023-09-27" @default.
- W2521567236 title "Real time quantitative lube oil debris monitoring for LM engines" @default.
- W2521567236 hasPublicationYear "1996" @default.
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