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Front. Inform. Technol. Electron. Eng.  2013, Vol. 14 Issue (12): 953-965    DOI: 10.1631/jzus.C1300125
    
Comparison of resonant current regulators for DFIG during grid voltage distortion
Yi-peng Song, Heng Nian
College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Comparison of resonant current regulators for DFIG during grid voltage distortion
Yi-peng Song, Heng Nian
College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
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摘要： We investigate two different kinds of resonant current regulators for a doubly fed induction generator (DFIG) under distorted grid voltage conditions: proportional integral resonant (PIR) regulator with traditional resonant part and vector proportional integral (VPI) regulator with VPI resonant part. Based on the mathematical model of DFIG under distorted grid voltage, the transfer function and frequency response characteristics of the two current regulators are analyzed and compared. The superiority of the VPI current regulator over the PIR regulator is pointed out, and the influence of discretization methods on the performance of the resonant current regulator is studied. All the results are validated by MATLAB simulation and experiments.
关键词： Doubly fed induction generator;  Harmonically distorted grid voltage;  Resonant current regulator;  Vector PI current regulator;  Discretization method    
Abstract: We investigate two different kinds of resonant current regulators for a doubly fed induction generator (DFIG) under distorted grid voltage conditions: proportional integral resonant (PIR) regulator with traditional resonant part and vector proportional integral (VPI) regulator with VPI resonant part. Based on the mathematical model of DFIG under distorted grid voltage, the transfer function and frequency response characteristics of the two current regulators are analyzed and compared. The superiority of the VPI current regulator over the PIR regulator is pointed out, and the influence of discretization methods on the performance of the resonant current regulator is studied. All the results are validated by MATLAB simulation and experiments.
Key words: Doubly fed induction generator    Harmonically distorted grid voltage    Resonant current regulator    Vector PI current regulator    Discretization method
收稿日期: 2013-05-12 出版日期: 2013-12-06
CLC:  TM31  
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Yi-peng Song
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引用本文:

Yi-peng Song, Heng Nian. Comparison of resonant current regulators for DFIG during grid voltage distortion. Front. Inform. Technol. Electron. Eng., 2013, 14(12): 953-965.

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http://www.zjujournals.com/xueshu/fitee/CN/10.1631/jzus.C1300125    或    http://www.zjujournals.com/xueshu/fitee/CN/Y2013/V14/I12/953

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