Abstract
In this paper, two flux-switching permanent-magnet (FSPM) wind power generators with 9- and 12-phase windings are designed and comparatively analyzed. Both two generators are designed under the rated specifications of 10 kW output power and 220 V phase voltage at 500 r/min. The static characteristics and power generating performances including output voltage, power, and efficiency at rated and variable load/speed conditions are predicted by finite-element analysis and validated by experimental tests based on the two FSPM prototypes. It shows that the 12-phase 24-stator-slot/22-rotor-pole FSPM generator exhibits a higher air-gap flux density, a higher torque/power density, and a lower voltage regulation factor. Besides, it has a better overload capability than its 9-phase 36-stator-slot/34-rotor-pole counterpart when the load and wind speed exceed the rated levels. The comparative study reveals the benefits of the lower leakage flux and permeance from the larger stator-slot opening and longer magnetic circuit.
| Original language | English |
|---|---|
| Article number | 8686206 |
| Pages (from-to) | 3607-3616 |
| Number of pages | 10 |
| Journal | IEEE Transactions on Industry Applications |
| Volume | 55 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Jul 2019 |
| Externally published | Yes |
Keywords
- 12 phase
- 9 phase
- flux-switching
- permanent magnet
- switched flux
- wind power