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| Dual Stator-Winding Induction Generator Variable Frequency AC Generation System Based on Slip Frequency Control |
| Bu Feifei, Huang Wenxin, Hu Yuwen, Shi Jingkui, Shi Kai |
| Nanjing University of Aeronautics and Astronautics Nanjing 210016 China |
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Abstract A variable frequency AC (VF AC) generation system based on the dual stator-winding induction generator (DWIG) is studied. According to the idea of power balance, the instantaneous slip frequency control principle for this VF AC generation system is proposed. in this strategy, there is no complex coordinate transformation and current control loop which usually slows down the dynamic regulation process. The information of output voltage and output current are incorporated into this control scheme, and the voltage vector is employed to regulate the instantaneous slip frequency to change the electromagnetic torque, so that the output voltage can be kept stably. The experimental results from a 15kW prototype prove the feasibility of this VF AC generation system and the validity of the proposed control strategy.
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Received: 11 April 2011
Published: 20 March 2014
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2012, Vol. 27 
