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Optimal Regulation of Pumping Station in Water Distribution Networks Using Constant and Variable Speed Pumps: A Technical and Economical Comparison

Author

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  • Luigi Cimorelli

    (Department of Civil, Architectural and Environmental Engineering, Federico II University, 80125 Naples, Italy)

  • Carmine Covelli

    (Department of Biotechnology and Territory, University of Molise, 86100 Campobasso, Italy)

  • Bruno Molino

    (Department of Biotechnology and Territory, University of Molise, 86100 Campobasso, Italy)

  • Domenico Pianese

    (Department of Civil, Architectural and Environmental Engineering, Federico II University, 80125 Naples, Italy)

Abstract

Greenhouse gas emission is one of the main environmental issues of today, and energy savings in all industries contribute to reducing energy demand, implying, in turn, less carbon emissions into the atmosphere. In this framework, water pumping systems are one of the most energy-consuming activities. The optimal regulation of pumping systems with the use of variable speed drives is gaining the attention of designers and managing authorities. However, optimal management and operation of pumping systems is often performed, employing variable speed drives without considering if the energy savings are enough to justify their purchasing and installation costs. In this paper, the authors compare two optimal pump scheduling techniques, optimal regulation of constant speed pumps by an optimal ON/OFF sequence and optimal regulation with a variable speed pump. Much of the attention is devoted to the analysis of the costs involved in a hypothetical managing authority for the water distribution system in order to determine whether the savings in operating costs is enough to justify the employment of variable speed drives.

Suggested Citation

  • Luigi Cimorelli & Carmine Covelli & Bruno Molino & Domenico Pianese, 2020. "Optimal Regulation of Pumping Station in Water Distribution Networks Using Constant and Variable Speed Pumps: A Technical and Economical Comparison," Energies, MDPI, vol. 13(10), pages 1-15, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:10:p:2530-:d:359025
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    References listed on IDEAS

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    1. Mauro De Marchis & Barbara Milici & Roberto Volpe & Antonio Messineo, 2016. "Energy Saving in Water Distribution Network through Pump as Turbine Generators: Economic and Environmental Analysis," Energies, MDPI, vol. 9(11), pages 1-15, October.
    2. M. Pasha & Kevin Lansey, 2014. "Strategies to Develop Warm Solutions for Real-Time Pump Scheduling for Water Distribution Systems," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(12), pages 3975-3987, September.
    3. Yasaman Makaremi & Ali Haghighi & Hamid Reza Ghafouri, 2017. "Optimization of Pump Scheduling Program in Water Supply Systems Using a Self-Adaptive NSGA-II; a Review of Theory to Real Application," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 31(4), pages 1283-1304, March.
    4. L. Cimorelli & F. Morlando & L. Cozzolino & A. D’Aniello & D. Pianese, 2018. "Comparison Among Resilience and Entropy Index in the Optimal Rehabilitation of Water Distribution Networks Under Limited-Budgets," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 32(12), pages 3997-4011, September.
    5. A. Candelieri & R. Perego & F. Archetti, 2018. "Bayesian optimization of pump operations in water distribution systems," Journal of Global Optimization, Springer, vol. 71(1), pages 213-235, May.
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    Cited by:

    1. Zilei Zuo & Linwei Tan & Weidong Shi & Cheng Chen & Jincheng Ye & Egbo Munachi Francis, 2022. "Transient Characteristic Analysis of Variable Frequency Speed Regulation of Axial Flow Pump," Sustainability, MDPI, vol. 14(18), pages 1-18, September.
    2. Gencho Popov & Stanislaw Legutko & Kliment Klimentov & Boris Kostov, 2021. "Applying Criteria Equations in Studying the Energy Efficiency of Pump Systems," Energies, MDPI, vol. 14(17), pages 1-13, August.
    3. Przemysław Średziński & Martyna Świętochowska & Kamil Świętochowski & Joanna Gwoździej-Mazur, 2022. "Analysis of the Use of the PV Installation in the Power Supply of the Water Pumping Station," Energies, MDPI, vol. 15(24), pages 1-13, December.
    4. Mehdi Dini & Mozhdeh Hemmati & Saeed Hashemi, 2022. "Optimal Operational Scheduling of Pumps to Improve the Performance of Water Distribution Networks," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 36(1), pages 417-432, January.
    5. Bowen Duan & Jinliang Gao & Huizhe Cao & Shiyuan Hu, 2025. "Energy-Efficient Management of Urban Water Distribution Networks Under Hydraulic Anomalies: A Review of Technologies and Challenges," Energies, MDPI, vol. 18(11), pages 1-27, May.
    6. Miguel Ángel Pardo & Héctor Fernández & Antonio Jodar-Abellan, 2020. "Converting a Water Pressurized Network in a Small Town into a Solar Power Water System," Energies, MDPI, vol. 13(15), pages 1-26, August.
    7. Brás, Marlene & Moura, Ana & Andrade-Campos, António, 2025. "Cost efficiency in water supply systems: An applied review on optimization models for the pump scheduling problem," European Journal of Operational Research, Elsevier, vol. 323(1), pages 1-19.
    8. Xuetao Wang & Qianchuan Zhao & Yifan Wang, 2020. "A Distributed Optimization Method for Energy Saving of Parallel-Connected Pumps in HVAC Systems," Energies, MDPI, vol. 13(15), pages 1-24, July.

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