Research on Voltage Stability in Grid-Connected Large Wind Farms

Abstract:

Squirrel-cage induction generator (SCIG) has been widely utilized in large wind farms in China. However, the large wind farm composed of induction generators will cause obvious power system stability problems due to the dependency on reactive power. Doubly-fed induction generator (DFIG) has excellent dynamic characteristics of wind farm operations. With the increasing of wind power penetration in power systems, more and more wind farms use both SCIG and DFIG. This paper firstly analyzes the the dynamic characteristic of wind farm on power systems, especially in terms of the voltage stability. Then the interaction between the SCIGs and DFIGs is also investigated. A detailed simulation model of wind farms is presented by means of MATLAB. The simulation results demonstrate that the DFIG applications will improve the voltage stability of the wind farm largely and the low voltage ride through characteristics of SCIG to some extend.

• Periodical: Advanced Materials Research (Volumes 354-355)
• Pages: 989-992
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.354-355.989
• Online since: October 2011
• Authors: An Lin
• Keywords: Dynamic Model, Low Voltage Ride through (LVRT), Voltage Stability, Wind Farm

References

[1] The Global Wind Energy Council,GWEC Latest News,2010,"GWEC publishes 2009 annual report," April, 2010, [Online], http://www. gwec.net/

[2] Claudio L.Souza et.al.,"Power System Transient Stability Analysis Including Synchronous and Induction Generator,"IEEE Porto Power Tech Proceedings,Vol.2,p.6,2001.

DOI: 10.1109/ptc.2001.964711

[3] S MüllER,M Deicke,Rik W De Doncker, Doubly fed induction generator systems for wind turbines[J],IEEE Industry Applications Magazine,2002,8(3):26-32.

DOI: 10.1109/2943.999610

[4] Ya-feng, Huang; Gan-gui, Yan; Chu-yan, Chao; et al. Mining and utilization of reactive power capability of doubly fed induction generator systems for wind turbines. International Conference on sustainable Power Generation and Supply, 6-7 April 2009, Page(s): 1-5

DOI: 10.1109/supergen.2009.5348117

[5] S. M. Muyeen, Mohd. Hasan Ali, R. Takahashi, T. Murata, J.Tamura, Y. Tomaki, A. Sakahara, and E. Sasano,"A Comparative Study on Transient Stability Analysis of Wind Turbine Generator System Using Different Drive Train Models," IET-Proceedings on Renewable Power Generation(IFT-RPG). Vol.1,No.2, pp.131-141.lune.2007.

DOI: 10.1049/iet-rpg:20060030

[6] Fengquan Zhou，Géza Joós．Voltage Stability in Weak Connection Wind Farms[C]．IEEE 3rd International on Power Electronics and Motion Control Conference, 2006：196-200．

[7] W. Freitas, Jose C. M. Vieira, A. Morelato, Luiz C. P. da Silva,Vivaldo F. da Costa, and Flavio A. B. Lemos, "Comparative analysis between synchronous and induction machines for distributed generation applications," IEEE Trans. on Power Syst., Vol. 21, no. 1, pp.301-311,2006.

DOI: 10.1109/tpwrs.2005.860931

[8] S.M. Muyeen, Mohd.Hasan Ali, Rion Takahashi, et al, "Transient Stability Enhancement of Wind Generator by a New Logical Pitch Controller," IEEE Trans. PE., Vol.126-B, No.08, pp.742-752, 2006.

DOI: 10.1541/ieejpes.126.742

[9] ZHU Wu, CAO Rui-fa, "improved low voltage ride-through of wind farm using STATCOM and pitch control" IEEE 6th International on Power Electronics and Motion Control Conference, 2009.

DOI: 10.1109/ipemc.2009.5157771