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Analysis and control of a dual-stator hybrid excitation synchronous wind generator

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4 Author(s)
Lin, H. ; Sch. of Electr. Eng., Southeast Univ., Nanjing, China ; Liu, X. ; Zhu, Z.Q. ; Fang, S.

This study introduces a dual-stator hybrid excitation synchronous generator (DSHESG) and its control system in wind power generation. Electromagnetic characteristics, including flux-linkage, phase electromagnetic force (EMF), winding inductances and field-control capability, are obtained by 3D finite-element method. A closed-loop control system is established for constant-voltage generation by automatically regulating the field current. The integral-isolation PI control algorithm is used to improve the dynamic performance of the DSHESG system. Both simulated and experimental results of the control system show that the constant-voltage generation can be easily realised when the speed or load of DSHESG varies randomly.

Published in:

Electric Power Applications, IET  (Volume:5 ,  Issue: 8 )