Stochastic analysis and maintenance planning of the ash handling system in the thermal power plant |
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Authors: | Navneet Arora Dinesh Kumar |
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Affiliation: | Mechanical Engineering Department, Regional Engineering College, Kurukshetra, 132 119, India |
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Abstract: | This paper discusses stochastic analysis of the ash handling system in a thermal power plant. The system consists of four subsystems Ai, Bj, C and Dk in series, with three possible states: good, reduced and failed. Failure and repair rates for each subsystem are taken to be constants. Using a probabilistic approach, the differential equations are generated and the expression for steady state availability is computed. Taking data from the thermal power plant, situated in North India, the behaviour of each working unit is analysed. Problems and remedies with appropriate maintenance schedules have been discussed. The results are discussed with the plant personnel and are helpful to the management in predicting the behaviour of each operating unit, so that timely decisions can be taken for maintaining the system in upstate for a long duration. |
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