Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27142
Title: Bifurcation behavior of wind energy generation systems
Authors: Li, Z
Wong, SC 
Tse, CK 
Chu, G
Keywords: Doubly fed induction generator
Forced oscillation
Hopf bifurcation
Stability.
Wind energy generation system
Issue Date: 2010
Source: 2nd International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2010, 2010, 5545893, p. 200-203 How to cite?
Abstract: Use of the doubly fed induction generator (DFIG) in wind energy generation systems allows variable speed operation by using partially rated back-to-back PWMconverters. Although many control schemes have been reported in the literature to address some specific control problems, few has considered the general stability of the entire system. Specifically, bifurcation analysis of the system has not been reported so far. Lowfrequency oscillation has been found in a practical power grid system with the wind farm being connected to single-phase constant power loads. In this paper, the rotor speed of the DFIG is used as a variation parameter for bifurcation analysis. Bifurcation diagram of the voltage link capacitor clearly indicates the instability phenomenon of the practical DFIG system in supersynchronous operation when unbalanced single-phase constant power loads are connected to the connecting grid.
Description: 2nd International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2010, Hefei, 16-18 June 2010
URI: http://hdl.handle.net/10397/27142
ISBN: 9781424456703
DOI: 10.1109/PEDG.2010.5545893
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