Vector Controlled Doubly Fed Induction Generator for Wind application
编者:
Dr. Ani Gole, Dept. of Electrical and Computer Eng.,
内容简介:
PSCAD_DFIG具体模型介绍
In this paper, a DFIG power conversion system is simulated and vector
controlled for improving power quality of the grid while injecting the required active
power of the system. The system model proposed in this paper is developed in the
dedicated power electronics and system simulation tool, PSCAD/EMTDC. The model
also includes dynamic wind speed fluctuations and control of a soft starter, enabling
simulation of the power quality characteristics of the wind turbine. Based on the
simulation results, it is proved that the proposed DFIG is capable of simultaneous
capturing maximum power of wind energy with fluctuating wind speed and improving
power quality, that are achieved by cancelling the most significant and troublesome
harmonics of the utility grid. Dynamic power factor correction and reactive power
control are the other two significant features of this technology.
本帖最后由 windenergy 于 2010-1-17 16:33 编辑 - Y$ t; S1 U! r8 c; o) y& U1 T) p% S# K; B# m A9 J; [, S; _
2篇paper。 & ]7 T& d, K5 N) n4 ]: O# [0 t/ o: ?9 b. H1 V; w
---------- / b( {: ~1 X, x1. ; `% j: [, j% i, l& |( G. yIn this paper, a DFIG power conversion system is simulated and vector 5 k7 h$ I, @- I7 _( X' ?controlled for improving power quality of the grid while injecting the required active 3 H1 | j) E9 q! |( wpower of the system. The system model proposed in this paper is developed in the; \2 k: n6 p3 X. u, b
dedicated power electronics and system simulation tool, pscad/EMTDC. The model # ], E- } k0 g- l7 m" O* kalso includes dynamic wind speed fluctuations and control of a soft starter, enabling : w& V' r( [, b# Jsimulation of the power quality characteristics of the wind turbine. Based on the+ e" `$ l! d: m- I( L
simulation results, it is proved that the proposed DFIG is capable of simultaneous 5 u" }- O- q m0 ncapturing maximum power of wind energy with fluctuating wind speed and improving 7 j* ^( W; s/ L6 \ J; ^power quality, that are achieved by cancelling the most significant and troublesome % p$ j$ c) `& ~/ G4 _. G8 Aharmonics of the utility grid. Dynamic power factor correction and reactive power ! C9 B4 k9 w+ S5 Lcontrol are the other two significant features of this technology.) W8 w! W% l8 ]' t( Z# n: J
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2. This document discusses the theory of operation behind the doubly fed generator case 5 w2 r' ?' d5 `2 @developed by Ani Gole (Univ. of Manitoba, Canada) and Om Nayak (Nayak Corporation, " Z! k4 G0 @, e4 ePrinceton, NJ). The controller concept is based on the paper by Pena et al [1].2 X% K9 Y9 J4 y2 c: Y1 V* W
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发表于 2010-1-16 05:52:25
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