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发表于 2012-4-2 18:32:38
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本帖最后由 moonglaive 于 2012-4-2 18:34 编辑 I, t( V( {$ y
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回复 1# yongzai25
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可以参考一下这篇文献
PSCAD EMTDC BASED SIMULATION .rar
(270.4 KB, 下载次数: 11)
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这篇文献里面有详细的控制算法，和模块的搭建1 O% W2 L b# b* a
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6 I- m$ B0 d3 D( j) b, mAbstract. In this paper, a DFIG power conversion system is simulated and vector
3 ~# `- Y* }) N$ ]+ |controlled for improving power quality of the grid while injecting the required active
4 a7 B* c6 H& E3 L& R* @4 xpower of the system. The system model proposed in this paper is developed in the4 q8 J/ a" H/ R6 ^6 ]- e1 r, g
dedicated power electronics and system simulation tool, PSCAD/EMTDC. The model
# k. R: U3 ^! z% w }% Oalso includes dynamic wind speed fluctuations and control of a soft starter, enabling5 u) v3 O3 g- ^& k, N- v
simulation of the power quality characteristics of the wind turbine. Based on the5 l- Z6 r+ ]) x: P3 q2 B- ~6 Z6 @# w
simulation results, it is proved that the proposed DFIG is capable of simultaneous7 I( V5 p [9 H/ K* Q6 G' ~
capturing maximum power of wind energy with fluctuating wind speed and improving6 U) M, t* j7 g. b5 I3 W8 s) g
power quality, that are achieved by cancelling the most significant and troublesome. X# L, ^- J/ @5 s4 `# E+ M
harmonics of the utility grid. Dynamic power factor correction and reactive power7 M/ a0 N2 X/ ^7 m* Y1 E- @
control are the other two significant features of this technology.' q1 _7 i& Y# M) ^9 W2 c
Keywords. Double Fed Induction Generator, Wind turbines, Modeling, Vector control3 n* m) t* W) U* ^1 Q( `. W
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