Simulation modeling and analysis of a complex system of a thermal power plant

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,...

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Main Authors: Sorabh Gupta, Puran C. Tewari
Format: Article
Language:English
Published: OmniaScience 2009-09-01
Series:Journal of Industrial Engineering and Management
Subjects:
Online Access:http://www.jiem.org/index.php/jiem/article/view/63
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author Sorabh Gupta
Puran C. Tewari
author_facet Sorabh Gupta
Puran C. Tewari
author_sort Sorabh Gupta
collection DOAJ
description 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 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.
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spelling doaj.art-b8c6bcd02bcc423fb4d6d314010010d32022-12-22T03:57:46ZengOmniaScienceJournal of Industrial Engineering and Management2013-84232013-09532009-09-012238740610.3926/jiem..v2n2.p387-40634Simulation modeling and analysis of a complex system of a thermal power plantSorabh Gupta0Puran C. Tewari1Haryana College of Technology & ManagementNational Institute of TechnologyThe 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 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.http://www.jiem.org/index.php/jiem/article/view/63performance evaluation, probabilistic approach, transition diagram and availability matrices
spellingShingle Sorabh Gupta
Puran C. Tewari
Simulation modeling and analysis of a complex system of a thermal power plant
Journal of Industrial Engineering and Management
performance evaluation, probabilistic approach, transition diagram and availability matrices
title Simulation modeling and analysis of a complex system of a thermal power plant
title_full Simulation modeling and analysis of a complex system of a thermal power plant
title_fullStr Simulation modeling and analysis of a complex system of a thermal power plant
title_full_unstemmed Simulation modeling and analysis of a complex system of a thermal power plant
title_short Simulation modeling and analysis of a complex system of a thermal power plant
title_sort simulation modeling and analysis of a complex system of a thermal power plant
topic performance evaluation, probabilistic approach, transition diagram and availability matrices
url http://www.jiem.org/index.php/jiem/article/view/63
work_keys_str_mv AT sorabhgupta simulationmodelingandanalysisofacomplexsystemofathermalpowerplant
AT puranctewari simulationmodelingandanalysisofacomplexsystemofathermalpowerplant