Improved Control Strategy for Water Pumping System Fed by Intermittent Renewable Source

Amine Ben Rhouma, Xavier Roboam (), Jamel Belhadj and Bruno Sareni
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Amine Ben Rhouma: Laboratoire des Systèmes Electriques LR11ES15, ENIT, Université de Tunis El Manar, Tunis 1002, Tunisia
Xavier Roboam: LAPLACE, UMR CNRS, Toulouse INP, UT3, Université de Toulouse, ENSEEIHT 2 Rue Camichel, CEDEX 07, 31071 Toulouse, France
Jamel Belhadj: Laboratoire des Systèmes Electriques LR11ES15, ENIT, Université de Tunis El Manar, Tunis 1002, Tunisia
Bruno Sareni: LAPLACE, UMR CNRS, Toulouse INP, UT3, Université de Toulouse, ENSEEIHT 2 Rue Camichel, CEDEX 07, 31071 Toulouse, France

Energies, 2023, vol. 16, issue 22, 1-17

Abstract: This paper focuses on a water pumping system fed by a hybrid (PV–Wind) generator. The water pumping system uses centrifugal pumps driven by variable speed Induction Motors (IM) controlled by a Field Oriented Control (FOC). The absence of battery storage to decouple sources and power demand is the main originality of the contribution, together with the typical adaptation of the FOC strategy. Furthermore, the absence of battery storage will consequently lead to fixing the system operating point at a steady state which is imposed both by the intermittent renewable energy sources and by the hydraulic load characteristics. The basic idea is then to adapt the system impedance by using the two degrees of freedom offered by the power source inverter in order to control, firstly, the DC bus voltage and, secondly, the rotor flux of the induction machine; the adaptation of the FOC strategy is based on this idea. Simulation results clearly confirmed by experimental investigations show the satisfying performance of the system even with variable powers of the intermittent renewable source.

Keywords: renewable source; water pumping; power field oriented control; hydraulic storage; experimental setup (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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