Analytical Analysis and Performance Characterization of Brushless Doubly Fed Induction Machines Based on General Air-gap Field Modulation Theory<sup>*</sup>

Peng Han, Ming Cheng, Xinkai Zhu, Zhe Chen

Chinese Journal of Electrical Engineering . 2021, (3): 4 -19 . DOI: 10.23919/CJEE.2021.000021