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Operation of a Prototype for Real Time Control of Pressure and Hydropower Generation in Water Distribution Networks

Author

Listed:
  • N. Fontana

    (Università degli Studi del Sannio)

  • M. Giugni

    (Università degli Studi di Napoli “Federico II”)

  • L. Glielmo

    (Università degli Studi del Sannio)

  • G. Marini

    (Università degli Studi del Sannio)

  • R. Zollo

    (Università degli Studi del Sannio)

Abstract

Pressure regulation is the most common strategy for leakage reduction in water distribution networks (WDNs). The literature also offers many studies pointing to the benefits of coupling pressure regulation with energy production in WDNs. To this end, a turbine can recover the energy that is otherwise dissipated by the Pressure Reducing Valve (PRV). However, although numerical simulations developed for various sites show high potential revenues and attractive capital payback periods, to date there are very few field installations. The main difficulty is that flow and pressure vary continuously at the network inlet, thus requiring real time control (RTC) of the valves and turbine to ensure adequate service levels. A recent paper discusses the operation of a laboratory prototype, which is able to both maximize energy production and regulate pressure in a WDN, with an optimization algorithm identifying the optimal operation of valves and turbine, commanded in real time according to the network operation. Because the earlier paper mainly discusses the theoretical framework of the optimization problem supported only with preliminary experiments, the present paper presents extensive laboratory experiments and analysis demonstrating the prototype’s ability to both regulate pressure at the critical node of the WDN and maximize power generation, in any operating condition. The results were also compared with theoretical values, showing very good agreement in all cases.

Suggested Citation

  • N. Fontana & M. Giugni & L. Glielmo & G. Marini & R. Zollo, 2019. "Operation of a Prototype for Real Time Control of Pressure and Hydropower Generation in Water Distribution Networks," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 33(2), pages 697-712, January.
    • Handle: RePEc:spr:waterr:v:33:y:2019:i:2:d:10.1007_s11269-018-2131-1
    DOI: 10.1007/s11269-018-2131-1
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    References listed on IDEAS

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    1. Pugliese, Francesco & De Paola, Francesco & Fontana, Nicola & Giugni, Maurizio & Marini, Gustavo, 2016. "Experimental characterization of two Pumps As Turbines for hydropower generation," Renewable Energy, Elsevier, vol. 99(C), pages 180-187.
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    Cited by:

    1. Li, Huanhuan & Xu, Beibei & Arzaghi, Ehsan & Abbassi, Rouzbeh & Chen, Diyi & Aggidis, George A. & Zhang, Jingjing & Patelli, Edoardo, 2020. "Transient safety assessment and risk mitigation of a hydroelectric generation system," Energy, Elsevier, vol. 196(C).
    2. Pugliese, Francesco & Fontana, Nicola & Marini, Gustavo & Giugni, Maurizio, 2021. "Experimental assessment of the impact of number of stages on vertical axis multi-stage centrifugal PATs," Renewable Energy, Elsevier, vol. 178(C), pages 891-903.
    3. Ángel Mariano Rodríguez-Pérez & Cinta Pérez-Calañas & Inmaculada Pulido-Calvo, 2021. "Energy Recovery in Pressurized Hydraulic Networks," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 35(6), pages 1977-1990, April.
    4. M. Fayzul K. Pasha & Matthew Weathers & Brennan Smith, 2020. "Investigating Energy Flow in Water-Energy Storage for Hydropower Generation in Water Distribution Systems," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 34(5), pages 1609-1622, March.

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