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| Content Provider | IET Digital Library |
|---|---|
| Author | Khalik, Ayman S. Abdel Massoud, Ahmed Mohamed Ahmed, Shehab |
| Abstract | In electric drive applications that are based on high-speed induction motors (IMs) with an extended speed range, stator winding pole-changing is a possible technique to avoid oversizing the driving motor. The electronic pole changing employed in multiphase IMs has gained recent interest because it avoids physical winding reconfiguration. The effective number of poles of the air gap flux distribution can be electronically altered by simply changing the applied current sequence to a multiphase stator. The main problem associated with this technique is the significant increase in machine magnetising current with the increase in effective pole number when conventional multiphase distributed windings are employed. This study proposes a new fractional-slot concentrated winding layout with a special stator connection suitable for pole-amplitude modulated IMs that offers a 2:1 pole ratio while maintaining equal magnetising current for both winding pole pairs. Moreover, constant power operation can be achieved for a speed range of over 4 pu. The main concept is discussed and verified through simulations and experimentally. The machine mathematical model and the required vector space decomposition-based controller are also presented. |
| Starting Page | 1696 |
| Ending Page | 1707 |
| Page Count | 12 |
| ISSN | 17518660 |
| Volume Number | 13 |
| e-ISSN | 17518679 |
| Issue Number | Issue 11, Nov (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-epa/13/11 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2018.5796 |
| Journal | IET Electric Power Applications |
| Publisher Date | 2019-02-14 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | 2:1 Pole Ratio Air Gap Air Gap Flux Distribution Applied Current Sequence Asynchronous Machine Conventional Multiphase Distributed Windings Drive Driving Motor Effective Pole Number Electric Drive Application Electric Vehicle Electric Vehicle Application Electronic Pole Extended Speed Range Finite Element Analysis High-speed Induction Motors Induction Motor Drive Magnetic Flux Multiphase IM Multiphase Stator Phase Six-terminal Pole-amplitude Physical Winding Reconfiguration Pole-amplitude Modulated IM Pole-changing Rotors Special Stator Connection Stators Transportation Vector Space Decomposition-based Controller Winding Pole Pairs |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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