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| Content Provider | IET Digital Library |
|---|---|
| Author | Khalik, Ayman S. Abdel Ahmed, Shehab Massoud, Ahmed Mohamed |
| Abstract | In many applications, interior permanent magnet synchronous machines (IPMSMs) with fractional slot concentrated windings (FSCWs) are considered promising candidates in terms of higher power density and efficiency. In addition, employing a multiphase stator winding improves the drive train availability and increases reliability. This study investigates the effect of applying stator shifting to five-phase FSCW winding IPMSMs to suppress the effect of the slot harmonics by doubling the number of slots. In this case, the winding coil pitch will be two, which stands as a compromise between single-tooth and distributed winding topologies. This highly improves the air gap flux distribution, significantly reduces both rotor core and magnet eddy current losses, and increases saliency ratio and reluctance torque component. Moreover, an improved performance under fault conditions, in terms of lower torque ripple, and core and magnet losses, adds to the main advantages of this technique. Various slot/pole combinations suitable for five-phase machines are investigated. A full simulation case study based on two-dimensional finite element analysis is applied to the 20-slot/18-pole stator with single-tooth winding under both healthy and open-circuit phase fault cases. |
| Starting Page | 681 |
| Ending Page | 690 |
| Page Count | 10 |
| ISSN | 17518660 |
| Volume Number | 10 |
| e-ISSN | 17518679 |
| Issue Number | Issue 7, Aug (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-epa/10/7 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2015.0520 |
| Journal | IET Electric Power Applications |
| Publisher Date | 2016-08-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Air Gap Flux Distribution Coils Distributed Winding Topology Drive Train Availability Eddy Current Loss Fault Diagnosis Finite Element Analysis Five-phase Fractional-slot Concentrated Winding FSCW Interior Permanent Magnet Synchronous Machine IPMSM Machine Insulation Magnet Eddy Current Loss Magnetic Flux Magnetic Leakage Multiphase Stator Winding Open-circuit Phase Fault Case Permanent Magnet Machine Reliability Reluctance Torque Component Rotor Core Reduction Single-tooth Winding Topology Slot Harmonics Effect Stator Shifting Application Stators Synchronous Machine Two-dimensional Finite Element Analysis Winding Coil Pitch |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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