Transient Stability Enhancement of DFIG based Offshore Wind Farm Connected to a Power System Network using STATCOM
DOI:
https://doi.org/10.14419/ijet.v7i3.12.17875Keywords:
Offshore Wind Farm, DFIG, Transient Disturbances, Stability, Point of Common Coupling (PCC), STATCOM.Abstract
This paper presents the transient stability enhance of DFIG-based offshore wind farm connected power system network using STATCOM. The studied system is simulated in MATLAB/Simulink platform for study the effect of transient disturbances like, three phases to ground fault, sudden load change, voltage sag & swell. A fully aggregate model of wind DFIG is used for simulation study of system. The DFIG based wind generator, more sensitive to the grid faults than other wind generators. During transient disturbances DFIG terminal voltage reduced below the critical value and hence DFIG trips. The external reactive power support is required for stabilization of wind farm during the transient disturbances. In studied system STATCOM is used to fulfil the reactive power requirement to stabilize the wind farm. In presence of STATCOM, DFIG does not trip during transient disturbances of power system and all bus voltages & DFIG terminal voltage are also improved.
Â
References
[1] L.Wang and K.H.Wang, “Dynamic stability analysis of a DFIG-based offshore wind farm connected to a power grid through an HVDC linkâ€, IEEE Trans. Power Syst., vol. 26, no. 3, pp. 1501–1510, Aug. 2010.
[2] L. Wang and L.-Y. Chen, “Reduction of power fluctuations of a large- scale grid-connected offshore wind farm using a variable frequency transformerâ€, IEEE Trans. Sustain. Energy, vol. 2, no. 3, pp.226–234, 2011.
[3] E. Muljadi, T.B.Nguyen, and M.A.Pai, “Impact of wind power plants on voltage and transient stability of power systemsâ€, in Proc. IEEE Energy 2030 Conf., Nov. 2008, pp. 1–7.
[4] B. Pokharel and Wenzhong Gao, “Mitigation of disturbances in DFIG-based wind farm connected to weak distribution system using STATCOM†in Proc. IEEE North American Power Symposium, pp. 1-7, 26-28 Sept. 2010.
[5] Mesut E. Baran, Alex Huang, Sercan Teleke and Subhashish Bhattacharya, “STATCOM with Energy Storage for Smoothing Intermittent Wind Farm Powerâ€, Dept. of ECE, NC State University, Raleigh, NC.
[6] M. G. Hemeida, Hegazy Rezk and Mohamed M. Hamada, “A comprehensive comparison of STATCOM versus SVC-based fuzzy controller for stability improvement of wind farm connected to multi-machine power system†Electr. Eng DOI 10.1007/s00202-017-0559-6.
[7] M. N. Eskander and S. I. Amer, “Mitigation of voltage dips and swells in grid-connected wind energy conversion systems,†in Proc. ICCAS- SICE, Aug. 2009, pp. 885–890.
[8] Adirak Kanchanaharuthai, Vira Chankong and Kenneth A. Loparo, “Transient Stability and Voltage Regulation in Multi machine Power Systems Vis-à -Vis STATCOM and Battery Energy Storage†IEEE transactions on power systems, vol. 30, no. 5, September 2015.
[9] L. Wang and C.-T. Hsiung, “Dynamic stability improvement of an integrated grid-connected offshore wind farm and marine-current farm using a STATCOM,†IEEE Trans. Power Syst., vol. 26, no. 2, pp. 690–698, May 2011.
[10] L. M. Fernandez, F. Jurado, J. R. Saenz, “Aggregated dynamic model for wind farms with doubly fed induction generator wind turbines,†Renewable Energy, vol. 33, pp. 129-140, January 2008.
[11] Li Wang, and Dinh-Nhon Truong, “Stability Enhancement of DFIG-Based Offshore Wind Farm Fed to a Multi-Machine System Using a STATCOMâ€, IEEE transactions on power systems 2013.
[12] P. M. Anderson and A. A. Fouad, “Power System Control and Stabilityâ€, Ames, IA, USA: Iowa State Univ. Press, 1977.
[13] Prabha Kundur, “Power system stability and control†Eds. Neal J. Balu and Mark G. Lauby. Vol. 7. New York: McGraw-hill, 1994.
Downloads
How to Cite
Received date: August 19, 2018
Accepted date: August 19, 2018
Published date: July 20, 2018