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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Endert, F. Heidrich, T. Schwalbe, U. Szalai, T. Ivanov, S.D. |
| Copyright Year | 2013 |
| Description | Author affiliation: Inst. of Mater. Eng., Ilmenau Univ. of Technol., Ilmenau, Germany (Ivanov, S.D.) || Dept. of Electr. Eng. & Inf. Technol., Ilmenau Univ. of Technol., Ilmenau, Germany (Endert, F.; Heidrich, T.; Schwalbe, U.; Szalai, T.) |
| Abstract | The current research concerning hybrid and electric vehicles brings forward several new ideas and concepts for electric traction drives that are explicitly tailored to the requirements of the automotive sector. An alternative approach for winding design is the use of a concentrated bar winding with only one turn per coil, which reduces the effort and volume for insulation material and increases the slot fill ratio up to 80 %. Consequently, traction drives with higher power density, reduced mass and improved efficiency are feasible. The major challenge of this design approach lies in the massive winding bars that can cause effects of current displacement especially for high speeds and a high number of pole pairs. The present paper focuses on the primary reasons for the current displacement (like skin effect, proximity effect and the magnetic stray field) and introduces three possibilities to reduce these effects: conductor splitting, conductor rearrangement and different conductor wiring. Related consequences for winding and stator design are highlighted in aspects of motor losses, efficiency and operating performance. |
| Sponsorship | IEEE Ind. Electron. Soc. |
| Starting Page | 160 |
| Ending Page | 165 |
| File Size | 702486 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781467349758 |
| e-ISBN | 9781467349741 |
| e-ISBN | 9781467349734 |
| DOI | 10.1109/IEMDC.2013.6556248 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-05-12 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Conductors Windings Coils Traction motors Stator windings Bars traction drive bar winding current displacement permanent magnet synchronous machine |
| Content Type | Text |
| Resource Type | Article |
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