Evaluation of generator maintenance schedules at Entergy Electric System

Evaluation of generator maintenance schedules at Entergy Electric System

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Article ID: iaor1997583
Country: United States
Volume: 26
Issue: 4
Start Page Number: 56
End Page Number: 65
Publication Date: Jul 1996
Journal: Interfaces
Authors: ,
Keywords: decision: applications
Abstract:

Manual evaluation of the impact of detrimental events on outage schedules in electric power plants is both subjective and time-consuming. The authors developed a decision-tree-based methodology that converts the manual evaluation process into a computerized package. It uses a special statistic instead of the (less-useful) expected value analysis that typifies textbook presenstations. It also provides a systematic procedure for determining the branches and probabilities of the decision tree based on historical data. The Entergy Electric Systems has used the new tool for over three years to enable the outage planner to isolate high-risk time periods and to develop timely maintenance schedules in response to short-notice changes.

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