Design and Analysis of a Novel Converter Topology for Photovoltaic Pumps Based on Switched Reluctance Motor

Xiaoshu Zan, Ning Wu, Ruidong Xu, Mingliang Cui, Zhikai Jiang, Kai Ni and Mohammed Alkahtani
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Xiaoshu Zan: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Ning Wu: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Ruidong Xu: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Mingliang Cui: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Zhikai Jiang: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Kai Ni: Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool L69 3GJ, UK
Mohammed Alkahtani: Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool L69 3GJ, UK

Energies, 2019, vol. 12, issue 13, 1-17

Abstract: In order to improve the performance of switched reluctance motor (SRM) systems for photovoltaic (PV) pumps, this paper introduces a new converter topology for SRM with controllable multiple power sources. Only simple switching components need to be added at the front end of the asymmetric half-bridge converter in this topology, which enables the control of multiple power sources. The new PV pump system has four operating modes, which are the PV panel driven mode, battery bank driven mode, dual-source driven mode, and battery charging mode. By adjusting the state of the front-end converter switch, the voltage tracking of PV panel can be achieved, providing a stable bus voltage for the SRM system. By controlling the battery bypass switch, the bus voltage of SRM system can be increased, thereby increasing the system power level. Simulations and experiments based on a four-phase 8/6 SRM demonstrate the effect of the novel converter proposed in this paper.

Keywords: photovoltaic (PV) pump; switched reluctance motor (SRM); integrated converter; flexible battery charging (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: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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