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| Content Provider | IET Digital Library |
|---|---|
| Author | Baghayipour, Mohammadreza Darabi, Ahmad Dastfan, Ali |
| Abstract | The harmonic contents of principal performance characteristics in an electrical machine are important due to several reasons, especially because they influence the machine acoustic noise generation capability. Therefore, they should be accurately calculated considering the various electromagnetic effects involved in the machine operation. Accordingly, this study proposes a detailed analytical model for predicting the time waveforms and harmonic contents of the principal performance characteristics of a double-sided TORUS-type non-slotted axial flux permanent magnet motor with surface-mounted magnets at steady state under any given loading conditions. The armature-reaction magnetic field and inductances are exactly calculated considering both the effects of coil sides and end windings as well as that of the winding distribution. Most notably, the aggregate iron loss of machine and its influence on armature currents is precisely modelled based on the magnetic field distribution in iron parts. By establishing and solving the differential equation system of motor in the two cases with or without the neutral wire, the armature currents, speed and torque ripples, input/output powers, and copper and iron losses are all achieved with the entire harmonic content and highest accuracy. The comparison of results with those of finite element analysis and real test then validates the model. |
| Starting Page | 308 |
| Ending Page | 322 |
| Page Count | 15 |
| ISSN | 17518660 |
| Volume Number | 12 |
| e-ISSN | 17518679 |
| Issue Number | Issue 3, Mar (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-epa/12/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2017.0258 |
| Journal | IET Electric Power Applications |
| Publisher Date | 2017-11-06 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | A.C. Machine Armature Currents Armature-reaction Magnetic Field Copper Loss D.C. Machines Differential Equation (numerical Analysis) Differential Equation System Double-sided TORUS-type Motor Electrical Machine Electromagnetic Effects Finite Element Analysis Harmonic Contents Machine Acoustic Noise Generation Capability Machine Theory Machine Windings Magnetic Field Magnetic Field Distribution Neutral Wire Nonslotted Axial Flux Permanent Magnet Motor Permanent Magnet Motors Precise Iron Loss Model Principal Performance Characteristic Speed Ripples Steady-state Time Variations Surface-mounted Magnets Time Waveform Torque Ripples Winding Distribution |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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