Optimized Control of a Hybrid Water Pumping System Integrated with Solar Photovoltaic and Battery Storage: Towards Sustainable and Green Water-Power Supply

Hale Bakır, Adel Merabet and Mohammadali Kiehbadroudinezhad ()
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Hale Bakır: Department of Electronics and Automation, Sivas Cumhuriyet University, Sivas 58140, Turkey
Adel Merabet: Division of Engineering, Saint Mary’s University, Halifax, NS B3H 3C3, Canada
Mohammadali Kiehbadroudinezhad: Division of Engineering, Saint Mary’s University, Halifax, NS B3H 3C3, Canada

Energies, 2023, vol. 16, issue 13, 1-16

Abstract: This article presents the modeling and optimization control of a hybrid water pumping system utilizing a brushless DC motor. The system incorporates battery storage and a solar photovoltaic array to achieve efficient water pumping. The solar array serves as the primary power source, supplying energy to the water pump for full-volume water surrender. During unfavorable weather conditions or when the photovoltaic array is unable to meet the power demands of the water pump, the battery discharges only at night or during inadequate solar conditions. Additionally, the photovoltaic array can charge the battery on its own when water distribution is not necessary, negating the need for external power sources. A bi-directional charge control mechanism is employed to facilitate automatic switching between the operating modes of the battery, utilizing a buck-boost DC–DC converter. The study incorporates a control system with loops for battery control and DC voltage control within the bidirectional converter. The water cycle algorithm adjusts four control parameters by minimizing an objective function based on tracking errors. The water cycle optimization is compared to other methods based on overshoot and settling time values to evaluate its performance, showcasing its effectiveness in analyzing the results.

Keywords: hybrid water pumping system; photovoltaic; optimization; brushless DC motor; bi-directional control; water cycle algorithm (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
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