Journal
ENERGY
Volume 98, Issue -, Pages 296-307Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2016.01.027
Keywords
Combined cooling heating and power system; Multi-objective optimization; NSGA-II (Non-dominated sorting genetic algorithm-II); Operation strategy; Co-simulation
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Funding
- National High Technology Research and Development of China (863 Program) [2014AA052802]
- International Cooperation and Exchanges - National Natural Science Foundation of China [61320106011]
- National Natural Science Foundation of China [61573224]
- Fundamental Research Funds of Shandong University [2014JC040]
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The internal coupling relationships are essential issues that impeding the efficient operation of a complicated CCHP (combined cooling, heating and power) system. In this paper, a multi-objective optimization model is proposed, aiming to maximize the energy-saving ratio and minimize the energy costs of a micro-CCHP system consisting of an absorption and electric chiller. Based on a novel co-simulation optimization platform, the NSGA-II (Non-dominated Sorting Genetic Algorithm-II) is employed to identify a series of compromised optimal operation strategies with different operational parameters. Moreover, the characteristics analysis is further made to reveal the energy coupling between these conflicting objectives in the operation of CCHP system. The implementation of this method will be beneficial to understand the internal energy variation and improve the system performance, thus providing a guiding principle for CCHP system optimization. (C) 2016 Elsevier Ltd. All rights reserved.
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