Comparison of the characteristics of two modulated dual-stator brushless doubly-fed generators for wind turbine

Changguo Zhang; Junyi Li; Yufei Wang; Hongmei Cui; Chengxiao Li

doi:10.1117/12.3017757

15 January 2024 Comparison of the characteristics of two modulated dual-stator brushless doubly-fed generators for wind turbine

Changguo Zhang, Junyi Li, Yufei Wang, Hongmei Cui, Chengxiao Li

Author Affiliations +

Proceedings Volume 12983, Second International Conference on Electrical, Electronics, and Information Engineering (EEIE 2023); 129831N (2024) https://doi.org/10.1117/12.3017757
Event: Second International Conference on Electrical, Electronics, and Information Engineering (EEIE 2023), 2023, Wuhan, China

Abstract

Brushless doubly-fed generators (BDFGs) have shown good application prospects in the field of wind power generation. The dual stator brushless doubly-fed generator (DSBDFG) improves the power density of the traditional BDFGs because of adopting dual-air-gap structure. This paper first introduced the topology of the dual stator brushless doubly-fed generator with short-circuited-coil rotor (DSBDFG-SCR) and the dual stator brushless doubly-fed generator with simple-salient- pole rotor (DSBDFG-SPR), and then compared their electromagnetic characteristics under the premise of unified parameters, including no-load characteristics, load characteristics, magnetic field lines and cloud maps, unbalanced magnetic pull, and overload operation ability. The results indicated that the DSBDFG-SCR has better electromagnetic performance, while the DSBDFG-SPR produces magnetic leakage due to increased air gap. The effectiveness of the results was verified through simulation.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Changguo Zhang, Junyi Li, Yufei Wang, Hongmei Cui, and Chengxiao Li "Comparison of the characteristics of two modulated dual-stator brushless doubly-fed generators for wind turbine", Proc. SPIE 12983, Second International Conference on Electrical, Electronics, and Information Engineering (EEIE 2023), 129831N (15 January 2024); https://doi.org/10.1117/12.3017757

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