Hopf bifurcation in doubly fed induction generator under vector control

Hopf bifurcation in doubly fed induction generator under vector control
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矢量控制下双馈感应发电机的 Hopf 分岔

DOI:
10.1016/j.chaos.2008.10.006
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发表时间:
2009-09
影响因子:
7.8
通讯作者:
--
中科院分区:
数学1区
文献类型:
--
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本文首先研究了矢量控制双馈风力发电机的Hopf分岔现象。双馈风力发电机采用三相背靠背脉宽调制(PWM)变换器,可以在转子转速变化的情况下保持定子频率恒定,并提供有功和无功功率输出的独立控制。主要结果说明了“精确”的循环模拟。详细的数学模型的闭环系统推导和用于分析所观察到的分岔现象。计算了雅可比矩阵特征值的轨迹,分析表明系统通过Hopf分岔失去稳定性。此外,还给出了系统发生Hopf分岔的边界,便于选择实用参数,保证系统稳定运行。
This paper first presents the Hopf bifurcation phenomena of a vector-controlled doubly fed induction generator (DFIG) which is a competitive choice in wind power industry. Using three-phase back-to-back pulse-width-modulated (PWM) converters, DFIG can keep stator frequency constant under variable rotor speed and provide independent control of active and reactive power output. Main results are illustrated by “exact” cycle-by-cycle simulations. The detailed mathematical model of the closed-loop system is derived and used to analyze the observed bifurcation phenomena. The loci of the Jacobian’s eigenvalues are computed and the analysis shows that the system loses stability via a Hopf bifurcation. Moreover, the boundaries of Hopf bifurcation are also given to facilitate the selection of practical parameters for guaranteeing stable operation.
DOI: 10.1016/j.chaos.2006.06.105
发表时间: 2008-05
影响因子: 7.8
作者:
Zheng Wang;K. Chau
通讯作者: Zheng Wang;K. Chau
DOI: 10.1109/81.841847
发表时间: 2000-04
影响因子: 5.1
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期刊: IEEE International Electric Machines and Drives Conference. IEMDC'99. Proceedings (Cat. No.99EX272)
影响因子: --
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发表时间: 2002-03-01
影响因子: 5.1
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Li, Z;Park, JB;Chen, GR
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DOI: 10.1016/j.chaos.2004.03.036
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