Electromagnetic Performance Analysis of Variable Flux Memory Machines with Series-magnetic-circuit and Different Rotor Topologies

In this paper, the electromagnetic performance of variable flux memory (VFM) machines with series-magnetic-circuit is investigated and compared for different rotor topologies. Based on a V-type VFM machine, five topologies with different interior permanent magnet (IPM) arrangements are evolved and o...

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Bibliographic Details
Published in:CES transactions on electrical machines and systems (Online 2024-03, Vol.8 (1), p.3-11
Main Authors: Qiang Wei, Z. Q. Zhu, Yan Jia, Jianghua Feng, Shuying Guo, Yifeng Li, Shouzhi Feng
Format: Article
Language:English
Subjects:
bridge circuits
iron
lamination
magnetization processes
rotors
topology
torque
Online Access:Get full text
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Summary:In this paper, the electromagnetic performance of variable flux memory (VFM) machines with series-magnetic-circuit is investigated and compared for different rotor topologies. Based on a V-type VFM machine, five topologies with different interior permanent magnet (IPM) arrangements are evolved and optimized under same constrains. Based on two-dimensional (2-D) finite element (FE) method, their electromagnetic performance at magnetization and demagnetization states is evaluated. It reveals that the iron bridge and rotor lamination region between constant PM (CPM) and variable PM (VPM) play an important role in torque density and flux regulation (FR) capabilities. Besides, the global efficiency can be improved in VFM machines by adjusting magnetization state (MS) under different operating conditions.
ISSN:2096-3564
2837-0325
DOI:10.30941/CESTEMS.2024.00012