Optimal Operational Planning of Cogeneration Systems With Thermal Storage by the Decomposition Method

[+] Author and Article Information
R. Yokoyama, K. Ito

Department of Energy Systems Engineering, Osaka Prefecture University, 1-1, Gakuen-cho, Sakai, Osaka, 593 Japan

J. Energy Resour. Technol 117(4), 337-342 (Dec 01, 1995) (6 pages) doi:10.1115/1.2835432 History: Received September 08, 1994; Revised July 01, 1995; Online January 22, 2008


An optimal operational planning method is proposed for cogeneration systems with thermal storage. The daily operational strategy of constituent equipment is determined so as to minimize the daily operational cost subject to the energy demand requirement. This optimization problem is formulated as a large-scale mixed-integer linear programming one, and it is solved by means of the decomposition method. Effects of thermal storage on the operation of cogeneration systems are examined through a numerical study on a gas engine-driven cogeneration system installed in a hotel. This method is a useful tool for evaluating the economic and energy-saving properties of cogeneration systems with thermal storage.

Copyright © 1995 by The American Society of Mechanical Engineers
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