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2024-09-19
Investigation of Stator/Rotor Pole Number Combinations and PM Numbers on Variable Flux Leakage PM Machine
By
Progress In Electromagnetics Research C, Vol. 148, 61-70, 2024
Abstract
This paper proposes a variable flux leakage permanent magnet (PM) machine and investigates the impact of slot and pole number combinations on the electromagnetic performance of a variable flux leakage permanent magnet machine (VFL-PMM). The stator armature winding dq-axis magnetic circuit is designed to couple with the PM leakage magnetic circuit by the deliberate establishment of a leakage-guided magnetic barrier and a poly-magnetic barrier on the rotor side. The VFL-PMM with 12s10p-DL (double layers) fractional slot centralized winding (FSCW) serves as an illustrative example of global parametric modelling of the machine. The objective is to optimize the split ratio, average torque, torque ripple, and PM utilization of the machine to obtain the optimum amount of the machine. The relationship between the no-load, on-load characteristics, and variable flux leakage characteristics of 12s8p, 12s10p, 12s14p with double-layer FSCW and 12s10p with single-layer FSCW are studied comparatively. The machines are analyzed and optimized using 2D finite element analysis.
Citation
Xiping Liu, Ruipan Lu, Yuxin Liu, and Wenrui Wang, "Investigation of Stator/Rotor Pole Number Combinations and PM Numbers on Variable Flux Leakage PM Machine," Progress In Electromagnetics Research C, Vol. 148, 61-70, 2024.
doi:10.2528/PIERC24061703
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