Polinder H, de Haan S W R, Dubois M R, et al. Basic operation principles and electrical conversion system of wind turbines[J]. Energy and Power Engineering, 2005, 15(4): 43-50.
[4]
Li H, Chen Z. Overview of different wind generator systems and their comparisons [J]. IET Renewable Power Generation, 2008, 2(2): 123-138.
Hu J, Wu B. New integration algorithms for estimating motor flux over a wide speed range[J]. IEEE Transaction on Power Electronics, 1998, 13(1): 125-133.
