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Title: Improving reliability and energy efficiency of three parallel pumps by selecting trade-off operating points
Authors: Oshurbekov, S.
Kazakbaev, V.
Prakht, V.
Dmitrievskii, V.
Issue Date: 2021
Publisher: MDPI AG
Citation: Improving reliability and energy efficiency of three parallel pumps by selecting trade-off operating points / S. Oshurbekov, V. Kazakbaev, V. Prakht, et al. — DOI 10.3390/math9111297 // Mathematics. — 2021. — Vol. 9. — Iss. 11. — 1297.
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. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85108164038
PURE ID: 22105476
ISSN: 22277390
DOI: 10.3390/math9111297
metadata.dc.description.sponsorship: The work was partially supported by the Ministry of Science and Higher Education of the Russian Federation (through the basic part of the government mandate, Project No. FEUZ-2020-0060).
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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