The Setpoint Curve as a Tool for the Energy and Cost Optimization of Pumping Systems in Water Networks

Author:

León-Celi Christian F.ORCID,Iglesias-Rey Pedro L.ORCID,Martínez-Solano Francisco JavierORCID,Mora-Melia DanielORCID

Abstract

In water distribution networks, the adjustment of the driving curves of pumping systems to the setpoint curves allows for determining the minimum energy cost that can be achieved in terms of pumping. This paper presents the methodology for calculating the optimal setpoint curves in water networks with multiple pumping systems, pressure dependent and independent consumption, with and without storage capacity. In addition, the energy and cost implications of the setpoint curve are analyzed. Three objective functions have been formulated depending on the case study, one of minimum energy and two of costs that depend on whether or not the presence of storage tanks is considered. For the optimization process, two algorithms have been used, Hooke and Jeeves and differential evolution. There are two study networks: TF and Richmond. The results show savings of close to 10% in the case of the Richmond network.

Funder

Agencia Nacional de Investigación y Desarrollo

Publisher

MDPI AG

Subject

Water Science and Technology,Aquatic Science,Geography, Planning and Development,Biochemistry

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