A novel method for finding the optimal heat storage tank capacity for a cogeneration power plant

Katulić, Stjepko and Čehil, Mislav and Bogdan, Željko (2014) A novel method for finding the optimal heat storage tank capacity for a cogeneration power plant. = A novel method for finding the optimal heat storage tank capacity for a cogeneration power plant. Applied Thermal Engineering, 65 (1-2). pp. 530-538. ISSN 1359-4311. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q1 (2014). Točan broj autora: 3.

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Abstract

The introduction of a heat storage tank (HST) into a cogeneration power plant was considered in this paper. The power plant investigated consisted of multiple power production units and operated in a two-tariff electricity pricing market. The HST tank capacity was optimized for maximum profits with and without consideration of the investment costs. When the investment costs were included in the optimization, the optimal HST capacity was nearly halved. Optimal sizing of the HST using heat consumption data from prior years requires over one thousand variables in the mathematical model. A novel method was proposed to drastically reduce the number of variables and find the optimal HST capacity using existing optimization algorithms on a typical computer. The results show that introduction of an HST to electrical and thermal energy generation can increase profits and thermal production capacity of the combined cycle power plant. © 2014 Elsevier Ltd. All rights reserved.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Cogeneration; Combined cycle; Energy efficiency; Energy storage; Heat storage tank; Optimal power plant operation
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 500 Department of Energy, Power Engineering and Environment > 510 Power Engineering and Energy Management Chair
Indexed in Web of Science: Yes
Indexed in Current Contents: Yes
Quartiles: Q1 (2014)
Date Deposited: 02 Jun 2015 12:28
Last Modified: 15 Mar 2017 09:52
URI: http://repozitorij.fsb.hr/id/eprint/4210

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