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Scheduling of Preventive Maintenance for Generating Unit Considering Condition of System  

Shin, Jun-Seok (한양대 공대 전기공학과)
Byeon, Yoong-Tae (한양대 공대 전기공학과)
Kim, Jin-O (한양대 공대 전기공학과)
Kim, Hyung-Chul (한국 철도기술연구원)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.8, 2008 , pp. 1305-1310 More about this Journal
Abstract
Traditional maintenance planning is based on a constant maintenance interval for equipment life. In order to consider economic aspect for time based preventive maintenance, preventive maintenance is desirable to be scheduled by RCM(Reliability-Centered Maintenance) evaluation. The main objective of RCM is to reduce the maintenance cost, by focusing on the most important functions of the system and avoiding or removing maintenance actions that are not strictly necessary. So, Markov state model is utilized considering stochastic state in RCM. In this paper, a Markov state model which can be used for scheduling and optimization of maintenance is presented. The deterioration process of system condition is modeled by the stepwise Markov model in detail. Also, because the system is not continuously monitored, the inspection is considered. In case study, simulation results about RCM will be shown using the real historical data of combustion turbine generating unit in Korean power systems.
Keywords
Markov process; RCM; Preventive Maintenance; Predictive Maintenance; Gamma Distribution;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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