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A novel optimization method of integrated cooling, heating and power production and consumption for exergy efficiency maximization

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  • Duan, Wenting
  • Zhang, Qiao

Abstract

Traditional combined cooling, heating and power (CCHP) systems lack integrated optimization together with energy-consumption chemical processes to maximize the holistic exergy efficiency. This paper proposes a novel integrated cooling, heating and power production and consumption (ICHPPC) system through quantitative configuration of supply and demand sides. Firstly, an exergy-oriented stage-wise superstructure including generation by supply side and consumption by demand side simultaneously for cooling, heating and power via technological pathways is established. Grounded in thermodynamic principles, cascade temperature division and heat extraction, a mixed integer non-linear programming (MINLP) model is formulated to maximize the total exergy efficiency. Case study results indicate that the total exergy efficiency raising ratio (TEERR) for power, heating and cooling dominated scenarios are 53.57%, 26.98% and 34.61%, while the primary resource saving ratio (PRSR) are 36.70%, 23.38% and 27.82%, respectively. The proposed method confirms that the ICHPPC system can significantly enhance efficient energy utilization and improve total exergy efficiency compared to conventional individual generation systems.

Suggested Citation

  • Duan, Wenting & Zhang, Qiao, 2026. "A novel optimization method of integrated cooling, heating and power production and consumption for exergy efficiency maximization," Energy, Elsevier, vol. 360(C).
    • Handle: RePEc:eee:energy:v:360:y:2026:i:c:s0360544226016488
    DOI: 10.1016/j.energy.2026.141542
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