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| Content Provider | IET Digital Library |
|---|---|
| Author | Madonna, Vincenzo Giangrande, Paolo Gerada, Chris Galea, Michael |
| Abstract | For safety critical applications, electrical machines need to satisfy several constraints, in order to be considered fault-tolerant. In fact, if specific design choices and appropriate control strategies are adopted, fault-tolerant machines can operate safely even in faulty conditions. However, particular care must be taken for avoiding uncontrolled thermal overload, which can cause severe failures. This study describes the thermal modelling of a three-phase, synchronous machine for aerospace applications, analysing the machine's thermal behaviour under open-circuit fault conditions. A particular winding's layout is chosen with the purpose of satisfying fault-tolerance constraints. The winding temperature is evaluated by using a simplified thermal model, which was experimentally validated. Copper and iron losses, necessary for the thermal simulations, are calculated analytically and through electromagnetic finite element analysis, respectively. Finally, an aerospace study case is presented and the machine's thermal behaviour is analysed during both healthy and open-circuit conditions. |
| Starting Page | 461 |
| Ending Page | 467 |
| Page Count | 7 |
| Volume Number | 2018 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2018/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.0040 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-02-02 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-No Derivs License (http://creativecommons.org/licenses/by-nd/3.0/) |
| Subject Keyword | Aerospace And Avionic Power Supplies Aerospace Application Aircraft Power System Electromagnetic Finite Element Analysis Fault Tolerance Fault-tolerant Electrical Machine Fault-tolerant Machine Finite Element Analysis Machine Windings More Electric Aircraft Application Open-circuit Condition Open-circuit Fault Condition Power System Fault Safety Safety Critical Application Synchronous Machine Three-phase Synchronous Machine Transportation Uncontrolled Thermal Overload Modelling Winding Temperature Evaluation |
| Content Type | Text |
| Resource Type | Article |
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