Optimal Design Method of Assistant Excitation Capacitor and Filter Inductor of Dual Stator-Winding Induction Generator in Variable Frequency AC Generation System
Bu Feifei,Hu Yuwen,Huang Wenxin,Zhuang Shenglun,Shi Kai
Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
Abstract：In this paper,an optimal design method of two key parameters of the assistant excitation capacitor and the filter inductor in the dual stator-winding induction generator (DWIG) variable frequency AC generation system is proposed. The control winding current under different speeds and loads is analyzed using the analytic expression of the control winding current to obtain its change law. Based on this,the optimal principal of the assistant excitation capacitor is established. For the filter inductor,its maximum is determined by the current fast tracking requirement and the maximum of the control winding current,and its minimum is calculated according to the ability of the harmonic current suppression. The experimental results prove that,the assistant excitation capacitor and the filter inductor selected by the proposed optimal design method are reasonable and valid,and the system can work stably,as well as the minimum capacity of the power converter is obtained.
卜飞飞，胡育文，黄文新，庄圣伦，施凯. 定子双绕组异步电机变频交流发电系统辅助励磁电容和滤波电感的优化设计[J]. 电工技术学报, 2014, 29(11): 68-77.
Bu Feifei,Hu Yuwen,Huang Wenxin,Zhuang Shenglun,Shi Kai. Optimal Design Method of Assistant Excitation Capacitor and Filter Inductor of Dual Stator-Winding Induction Generator in Variable Frequency AC Generation System. Transactions of China Electrotechnical Society, 2014, 29(11): 68-77.
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2014, Vol. 29 
