Dynamics of Switched Reluctance Linear Tubular Motor for Reciprocating Water Pump

Krzysztof Dyrcz, Mariusz Kubiczek, Ernest A. Mendrela and Piotr Derugo
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Krzysztof Dyrcz: Electrical Engineering Faculty, Wrocław University of Science and Technology, 50-370 Wrocław, Poland
Mariusz Kubiczek: Stalprojekt, Kolejowa 57/2, 53-510 Wrocław, Poland
Ernest A. Mendrela: Electrical Engineering and Computer Science, Louisiana State University, Baton Rouge, LA 70803, USA
Piotr Derugo: Electrical Engineering Faculty, Wrocław University of Science and Technology, 50-370 Wrocław, Poland

Energies, 2021, vol. 14, issue 2, 1-13

Abstract: Simple, cheap, and efficient water pumps are needed in developing countries. A reciprocating water pump driven by a switched reluctance linear tubular motor with double pistons that can be supplied from a photovoltaic power source seems to respond to this demand. This type of new motor (one with reciprocating motion) is presented in the paper. In order to develop a strong driving force at two extreme piston positions and achieve a long piston stroke, a double coil motor with a double secondary and two springs is proposed. Simulation results of force, current, and voltage waveforms obtained using MATLAB/Simulink are presented. The electromagnetic forces and coil inductances, which depended on the current and the secondary positions of the pistons, were determined using FEM. Simulation results are compared with those obtained from an experiment carried out on the motor prototype.

Keywords: FEM modeling; motor dynamics analysis; integrated motor–water pump aggregate; linear tubular motors; switched reluctance motors; sustainable watering (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
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