Simulation modeling and analysis of a complex system of a thermal power plant
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hdl:2099/8239
Tipus de documentArticle
Data publicació2009-09
EditorSchool of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC)
Condicions d'accésAccés obert
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Reconeixement-NoComercial 3.0 Espanya
Abstract
The present paper deals with the opportunities for the modeling of flue gas and
air system of a thermal power plant by making the performance evaluation using
probabilistic approach. The present system of thermal plant under study consists of four
subsystems with three possible states: full working, reduced capacity working and failed.
Failure and repair rates for all the subsystems are assumed to be constant. Formulation of
the problem is carried out using Markov Birth-Death process using probabilistic approach
and a transition diagram represents the operational behavior of the system.
Interrelationship among the full working and reduced working states has been
developed. A probabilistic model has been developed, considering some assumptions.
Data in feasible range are selected from a survey of thermal plant and the effect of each
subsystem on the system availability is tabulated in the form of availability matrices, which
provides various performance/availability levels for different combinations of failure and
repair rates of all subsystems. Based upon various availability values obtained in availability
matrices and graphs of failure/repair rates of different subsystems, performance and
optimum values of failure/repair rates for maximum availability, of each subsystem is
analyzed and then maintenance priorities are decided for all subsystems.
CitacióGupta, Sorabh; Tewari, Puran C.. Simulation modeling and analysis of a complex system of a thermal power plant. "Journal of Industrial Engineering and Management", Setembre 2009, vol. 2, núm. 2, p. 387-406.
Dipòsit legalB-28744-2008
ISSN2013-0953
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