Authors

Luis Miguel Esquivel-Sancho, Mauricio Muñoz-Arias, Hayden Phillips-Brenes, Roberto Pereira-Arroyo

Abstract

Water-pumped storage systems have become an ideal alternative to regulate the intermittent power delivered by renewable energy sources. For small-scale operations, a type of centrifugal pump coupled to asynchronous machines represents an adequate solution due to their techno-economic feasibility in addition to their ability to operate as reversible systems. This work provides a novel port-Hamiltonian modelling approach to an integrated reversible hydropump–turbine system, that can be switched from motor pump to turbine-generator by employing a conventional hydraulic switch. Our modelling strategy provides a clear physical interpretation of the energy flow from the mechanical to electrical domains. Then, the model was built with multi-domain storing and dissipating elements and the interconnection of well-defined input–output port pairs. The system’s internal energy, i.e., Hamiltonian function, can be exploited for energy-shaping control strategies. The performance of our modelling approach is validated via numerical simulations.

Citation

  • Journal: Applied Sciences
  • Year: 2022
  • Volume: 12
  • Issue: 18
  • Pages: 9086
  • Publisher: MDPI AG
  • DOI: 10.3390/app12189086

BibTeX

@article{Esquivel_Sancho_2022,
  title={{A Reversible Hydropump–Turbine System}},
  volume={12},
  ISSN={2076-3417},
  DOI={10.3390/app12189086},
  number={18},
  journal={Applied Sciences},
  publisher={MDPI AG},
  author={Esquivel-Sancho, Luis Miguel and Muñoz-Arias, Mauricio and Phillips-Brenes, Hayden and Pereira-Arroyo, Roberto},
  year={2022},
  pages={9086}
}

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References