Passivity-Based Control of Water Pumping System Using BLDC Motor Drive Fed by Solar PV Array with Battery Storage System

Ihor Shchur, Marek Lis and Yurii Biletskyi
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Ihor Shchur: Department of Electric Mechatronics and Computer-Controlled Electromechanical Systems, Lviv Polytechnic National University, 79013 Lviv, Ukraine
Marek Lis: Faculty of Electrical Engineering, Czestochowa University of Technology, 35-959 Czestochowa, Poland
Yurii Biletskyi: Department of Electric Mechatronics and Computer-Controlled Electromechanical Systems, Lviv Polytechnic National University, 79013 Lviv, Ukraine

Energies, 2021, vol. 14, issue 23, 1-25

Abstract: In remote locations, it is advisable to combine solar water pumping with electric energy storage and power supply for other forms of consumption. In such complex systems, individual subsystems feature their own local control, and the general automatic control of the system in different modes of its operation is carried out in accordance with an energy management strategy (EMS). In this paper, the functions of local and general control of the solar water pumping system with battery storage and external power supply are combined in the system of passivity-based control (PBC). The EMS is constructed in such a way that for all modes, only two PBC systems are developed, which are switched depending on the battery’s state of charge and the current levels of the two main disturbances—solar irradiation and electrical consumption. For each system, two control influence former (CIF) structures were synthesized and their operation was investigated by computer simulation. Despite the simplicity of CIFs’ implementation, due to the introduced interconnection and damping coefficients, such control allows the provision of the required voltage regulation with a static error up to 1%, sufficient quality of transients during disturbances and switching of the system structure, as well as system asymptotic stability.

Keywords: solar water pumping system (SWPS); photovoltaic array; brushless DC motor (BLDCM); battery energy storage system (BESS); energy management strategy (EMS); passivity-based control (PBC); interconnection and damping assignment (IDA) (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: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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