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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Bing Xia Jian-Xin Shen Luk, P.C.-K. Weizhong Fei |
| Copyright Year | 1982 |
| Abstract | This paper presents a comprehensive analysis and comparison of air-cored axial-flux permanent-magnet machines with different types of coil configurations. Although coil factor is particularly more sensitive to coil-band width and coil pitch in air-cored machines than conventional slotted machines, remarkably no comprehensive analytical equations exist. Here, new formulas are derived to compare the coil factor of two common concentrated-coil stator winding types. Then, respective coil factors for the winding types are used to determine the torque characteristics and, from that, the optimized coil configurations. Three-dimensional finite-element analysis (FEA) models are built to verify the analytical models. Furthermore, overlapping and wave windings are investigated and compared with the concentrated-coil types. Finally, a prototype machine is designed and built for experimental validations. The results show that the concentrated-coil type with constant coil pitch is superior to all other coil types under study. |
| Sponsorship | IEEE Industrial Electronics Society |
| Starting Page | 846 |
| Ending Page | 856 |
| Page Count | 11 |
| File Size | 2264919 |
| File Format | |
| ISSN | 02780046 |
| Volume Number | 62 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Coils Windings Torque Conductors Stator windings Mathematical model Copper winding configuration Air-cored axial flux coil factor permanent magnet |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications |
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