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Optimization of a Hybrid Energy System with District Heating and Cooling Considering Off-Design Characteristics of Components, an Effort on Optimal Compressed Air Energy Storage Integration.

Author(s) : CHEN S., ARABKOOHSAR A., CHEN G., NIELSEN M. P.

Type of article: Periodical article

Summary

In this work, the optimal design of a hybrid energy complex, including wind turbines, an internal combustion engine, and an adiabatic compressed air energy storage system is investigated. A novel bi-level optimization strategy is proposed for optimizing the capacity and operational power of each component of the system based on techno-economic considerations. The article presents information and discussions about the impacts of the partial-load operation of the energy storage system components on the optimal rated power and working strategies. The off-design characteristics are proven to have a huge negative impact on the efficiency and economy of the hybrid system. The efficiency reduction of the compressed air energy storage system is about 21% in summer and 8.9% in winter, when the system is operating in partial-load conditions. The operation cost of the system is reduced significantly when carrying out the proposed bi-level optimization strategy.

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Pages: 21 p.

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  • Original title: Optimization of a Hybrid Energy System with District Heating and Cooling Considering Off-Design Characteristics of Components, an Effort on Optimal Compressed Air Energy Storage Integration.
  • Record ID : 30030179
  • Languages: English
  • Subject: Technology
  • Source: Energies - vol. 15 - n. 13
  • Publishers: MDPI
  • Publication date: 2022/07
  • DOI: http://dx.doi.org/10.3390/en15134634

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