Predictive Power Control of Novel N *3-phase PM Energy Storage Motor for Urban Rail Transit

Wenjuan Zhang, Gongping Wu, Zhimeng Rao, Jian Zheng and Derong Luo
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Wenjuan Zhang: College of Electrical and Information Engineering, Changsha University, Changsha 410022, China
Gongping Wu: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Zhimeng Rao: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Jian Zheng: College of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou 412007, China
Derong Luo: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China

Energies, 2020, vol. 13, issue 7, 1-17

Abstract: High power density energy storage permanent magnet (PM) motor is an important energy storage module in flywheel energy storage system for urban rail transit. To expand the application of the PM motor in the field of urban rail transit, a predictive power control (PPC) strategy for the N *3-phase PM energy storage motor is proposed in this paper. Firstly, the output characteristics of the N *3-phase PM energy storage motor are analyzed by using the finite element method, and the mathematical model of the N *3-phase PM energy storage motor is established. Then, the topological structure and operation principle of N *3-phase PM energy storage motor system is illustrated. Furthermore, the N *3-phase PM energy storage motor system driven by six parallel voltage source inverters (VSIs) is proposed to generate the required power. Finally, a novel predictive direct power control method is developed for the N *3-phase PM energy storage motor. The feasibility and effectively of the proposed PPC method are verified by experiment and simulation. Comprehensive simulation and experimental results both show that the proposed PPC method can obtain the lower torque/stator flux ripple, smaller values of THD of stator winding currents, and zero error tracking of stator winding flux.

Keywords: N *3-phase PM energy storage motor; predictive power control; urban rail transit (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: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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