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Received May 30, 2007
Accepted August 2, 2007
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Modeling and simulation of motor/turbine processes in utility plant
Department of Chemical Engineering, Hanyang University, Seoul 133-791, Korea
Korean Journal of Chemical Engineering, May 2008, 25(3), 409-418(10), 10.1007/s11814-008-0069-3
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Abstract
To achieve safe operation and to improve economics it is imperative to monitor and analyze demand and supply of utilities and to meet utility needs in time. The main objective of motor/turbine processes is to manipulate optimal balances on steam and electricity in utility plants. The optimal operation of motor/turbine processes is by far the most important to improve economics in the utility plant. In order to analyze motor/turbine processes, steady state models for steam generation equipment and steam distribution devices as well as turbine generators are developed and analyzed in this work. In addition, heuristics concerning various operational situations are incorporated in the models. The motor/turbine optimal operation system is based on utility models and operational knowledgebase, and provides optimal operating conditions when the amount of steam demand from various steam headers is changed frequently. The optimal operation system also produces optimal selection of driving devices for utility pumps to reduce operating cost.
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Pilavakis PA, Perring MA, Hydrocarb. Process., 6(7), 89 (1983)
Bouilloud P, Hydrocarb. Process., 48(7), 127 (1969)
Nath R, Libby DJ, Duhon HJ, Chem. Eng. Prog., 82(5), 31 (1986)
Poje JB, Smart AM, Chem. Eng. Prog., 82(5), 39 (1986)
Stacy GD, Gaines LD, Collis F, Hydrocarb. Process., 60(10), 75 (1981)
Clark JK, Helmick NE, Chem. Eng. Prog., 76(11), 116 (1980)
Diiaz MS, Bandomi JA, Comput. Chem. Eng., 20(5), 531 (1996)
Nishio M, Shiroko K, Umeda T, Ind. Eng. Chem. Process Des. Dev., 21(4), 640 (1982)
Petroulas T, Reklaitis GV, AIChE J., 30(1), 69 (1984)
Ordys AW, Pike AW, Johnson MA, Katebi RM, Grimble MJ, Modelling and simulation of power generation plants, Springer-Verlag London Limited (1994)
Harrell G, Steam System Survey Guide, DOE (U.S.) (2002)
Lee WO, A study on the optimal operation and modeling of utility process, Hanyang Univ. (2002)
Lindsley D, Boiler control systems, McGraw-Hill (1991)
Maia LOA, Vidal de Carvalho LA, Qassim RY, Comput. Chem. Eng., 19, 481 (1995)
Nishio M, Itoh J, Shiroko K, Umeda T, Ind. Eng. Chem. Process Des. Dev., 19(2), 306 (1980)
Papoulias SA, Grossmann IE, Comput. Chem. Eng., 7, 695 (1983)
Yoo YH, Yi HS, Yeo YK, Kim MK, Yang HS, Chung KP, Korean J. Chem. Eng., 13(4), 384 (1996)
Yi HS, The development of expert system for steam distribution in utility plant, Hanyang Univ. (2002)
