Influence of Slot Number on Electromagnetic Performance of 2-pole High-Speed Permanent Magnet Motors With Toroidal Windings

被引：15

作者：

Xu, Fan ^{[1
]}

He, Tianran ^{[1
]}

Zhu, Z. Q. ^{[1
]}

Wang, Yu ^{[1
]}

Cai, Shun ^{[1
]}

Bin, Hong ^{[2
]}

Wu, Di ^{[2
]}

Gong, Liming ^{[2
]}

Chen, Jintao ^{[2
]}

机构：

[1] Univ Sheffield, Sheffield S1 3JD, S Yorkshire, England

[2] Midea Grp Corp Res Ctr, Motors & Drives Ctr, Shanghai 201210, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2021年 / 57卷 / 06期

关键词：

Windings; Stators; Stator windings; Permanent magnet motors; Iron; Torque; Electromagnetics; High speed; permanent magnet motor; slotted; toroidal (TO) windings; DESIGN; OPTIMIZATION; GENERATOR; MACHINES;

D O I：

10.1109/TIA.2021.3117739

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This article investigates the influence of stator slot number on electromagnetic performance of two-pole high speed permanent magnet (HSPM) slotted motors with toroidal (TO) windings. Four two-pole slotted motors with different slot numbers, i.e., 3, 6, 9, and 12, are globally optimised for maximum torque, and their electromagnetic performance are compared, including winding factor, air-gap flux density, back electromotive force, cogging torque, electromagnetic torque, winding inductances, unbalanced magnetic force (UMF), and various loss components. It shows that the six-slot/two-pole HSPM motor with TO windings is eminently suitable for high speed application due to no UMF and easy to realise a modular structure. In addition, TO and tooth-coil windings are compared in the three-slot/two-pole motors, and the results confirm that TO windings are not suitable for use in the three-slot/two-pole HSPM slotted motor due to large airgap field harmonics. Finally, a six-slot/two-pole prototype motor is manufactured and tested to validate the finite element predictions.

引用

页码：6023 / 6033

页数：11

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