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Improving Reliability and Energy Efficiency of Three Parallel Pumps by Selecting Trade-Off Operating Points

Author

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  • Safarbek Oshurbekov

    (Department of Electrical Engineering, Ural Federal University, 620002 Yekaterinburg, Russia)

  • Vadim Kazakbaev

    (Department of Electrical Engineering, Ural Federal University, 620002 Yekaterinburg, Russia)

  • Vladimir Prakht

    (Department of Electrical Engineering, Ural Federal University, 620002 Yekaterinburg, Russia)

  • Vladimir Dmitrievskii

    (Department of Electrical Engineering, Ural Federal University, 620002 Yekaterinburg, Russia)

Abstract

Reliability, along with energy efficiency, is an important characteristic of pump units in various applications. In practical pump applications, it is important to strike a balance between reliability and energy efficiency. These indicators strongly depend on the applied control method of the pump unit. This study analyzes a trade-off method for regulating a system with three parallel pumps equipped with only one frequency converter (multi-pump single-drive system). A typical operating cycle of a pumping system with variable flow rate requirements is considered. The proposed trade-off method is compared with the traditional regulation, when a change in the operating point of the pump is achieved only by changing the rotation speed, and with the method for maximum reliability. It is shown that the proposed trade-off method makes it possible to ensure sufficient reliability of the multi-pump system operation without a significant increase in energy consumption.

Suggested Citation

  • Safarbek Oshurbekov & Vadim Kazakbaev & Vladimir Prakht & Vladimir Dmitrievskii, 2021. "Improving Reliability and Energy Efficiency of Three Parallel Pumps by Selecting Trade-Off Operating Points," Mathematics, MDPI, vol. 9(11), pages 1-19, June.
    • Handle: RePEc:gam:jmathe:v:9:y:2021:i:11:p:1297-:d:569593
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    References listed on IDEAS

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    1. Zhounian Lai & Peng Wu & Shuai Yang & Dazhuan Wu, 2016. "A Control Method to Balance the Efficiency and Reliability of a Time-Delayed Pump-Valve System," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-10, September.
    2. Olszewski, Pawel, 2016. "Genetic optimization and experimental verification of complex parallel pumping station with centrifugal pumps," Applied Energy, Elsevier, vol. 178(C), pages 527-539.
    3. Arun Shankar, Vishnu Kalaiselvan & Umashankar, Subramaniam & Paramasivam, Shanmugam & Hanigovszki, Norbert, 2016. "A comprehensive review on energy efficiency enhancement initiatives in centrifugal pumping system," Applied Energy, Elsevier, vol. 181(C), pages 495-513.
    4. Vadim Kazakbaev & Vladimir Prakht & Vladimir Dmitrievskii & Mohamed N. Ibrahim & Safarbek Oshurbekov & Sergey Sarapulov, 2019. "Efficiency Analysis of Low Electric Power Drives Employing Induction and Synchronous Reluctance Motors in Pump Applications," Energies, MDPI, vol. 12(6), pages 1-23, March.
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    Cited by:

    1. Jimmy H. Gutiérrez-Bahamondes & Daniel Mora-Melia & Bastián Valdivia-Muñoz & Fabián Silva-Aravena & Pedro L. Iglesias-Rey, 2023. "Infeasibility Maps: Application to the Optimization of the Design of Pumping Stations in Water Distribution Networks," Mathematics, MDPI, vol. 11(7), pages 1-16, March.

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