J. G. Slootweg and W. L. Kling, “Impacts of distributed generation on power system transient stability”, IEEE Power Engineering Society Summer Meeting, vol. 2, pp. 862- 867, 2002. J. G. Slootweg and W. L. Kling, Wind power in power systems, John Wiley and Sons, Ltd., 2005. M. P. Palsson, T. Toftevaag, K. Uhlen, J. O. G. Tande, “Large-scale wind power integration and voltage stability limits in regional networks”. IEEE Power Engineering Society Summer Meeting, vol. 2, pp. 762 - 769 , 2002. U. Eminoglu and M. H. Hocaoglu, “Effect of SVCs on transmission system voltage profile for different static load models”. Universities Power Engineering Conference, vol.1, pp. 11-14, Sep, 2004. C.H.Cheng and Y.Y Hsu, “Application of a power system stabiliser and a static VAr controller to a multimachine power system” IEE Proceedings on Generation, Transmission and Distribution, vol. 137,no. 1,pp. 8-12 Jan. 1990. K. S. Narendra and K. Parthasarathy, “Identification and control of dynamical systems using neural networks”, IEEE Trans. Neural Networks, vol. 1, no. 1, pp. 4-27, Mar. 1990. J. G. Slootweg, and W. L. King, "Is the Answer Blowing in the Wind? ,"IEEE Trans. Power & Energy Magazine, vol. 3, pp. 26-33, Nov./ Dec. 2003. T. Ackerman, Power Wind Power in Power Systems, John Wiley & Sons, 2005. IEEE Working Committee Report, “Third Supplement to a Bibliography for the Study of Sub-synchronous Resonance between Rotating Machines and Power Systems,” IEEE Trans. on Power Systems, vol. 6, no. 2, pp. 830-834, May 1991. IEEE Committee Report, “Reader’s Guide to Subsynchronous Resonance,” IEEE Trans. on Power Systems, vol. 7, no. 1, pp. 150-157, February 1992. N. G. Hingorani and L. Gyugyi, Understanding FACTS, IEEE Press, 1996. R.M. Mathur and R.K. Varma, Thyristor-Based FACTS Controllers for Electrical Transmission Systems IEEE Press and Wiley Interscience, New York, USA, Feb. 2002. A. E. Hammad and M. El-Sadek, “Application of a Thyristor Controlled VAR Compensator for Damping Subsynchronous Oscillations in Power Systems,” IEEE Trans. on Power Apparatus and Systems, vol. PAS-1-3, no. 1, pp. 198-212, Jan. 1984. P. Pourbeik, R. J. Koessler, D. L. Dickmander, and W. Wong, “Integration of Large Wind Farms into Utility Grids (Part 2 – Performance Issues),” in Proc. 2003 IEEE Power Engineering Society General Meeting Conf, pp. 1520-1525. T. Thiringer and J. A. Dahlberg, “Periodic Pulsations from a Three-Bladed Wind Turbine,” IEEE Trans. on Energy Conversion, vol. 16, no. 2, pp. 128-133, June 2001. E. N. Henrichsen and P. J. Nolan, “Dynamics and Stability of Wind Turbine Generators,” IEEE Trans. on Power Apparatus and Systems, vol. PAS-101, no. 8, pp. 2640-2648, Aug. 1982. T.J.E. Miller, Reactive Power Control in Electric System, John Wiley & Sons, 1982. IEEE Committee Rep., “First benchmark model for computer simulation of subsynchronous resonance,” IEEE Trans. Power Appl. Syst., vol. PAS- 96, no. 5, pp. 1565–1572, Sep./Oct. 1977. IEEE Subsynchronous Resonance Working Group, “Terms, definitions and symbols for subsynchronous oscillations,” IEEE Trans. Power Apparatus and Systems, vol. PAS-104, no. 6, pp. 1326– 1334, 1985. A. B. L. Anderson, P. M. and J. E. Van Ness, Subsynchronous resonance in power systems, New York: IEEE Press, 1990. P. Pourbeik, R. J. Koessler, D. L. Dickmander, and W. Wong, “Integration of large wind farms into utility grids (Part 2-Performance issues),” in Proc. IEEE Power Eng. Soc. General Meeting Conf, pp. 1520–1525, 2003. M. Bongiorno, J. Svensson, and L. Angquist, “On control of static synchronous series compensator for SSR mitigation,” IEEE Trans. Power Electron., vol. 23, no. 2, pp. 735–743, Mar. 2008. H. A. Mohammadpour, M. R. Alizadeh Pahlavani, and A. Shoulaie, “On control of gate-controlled series capacitor for SSR and power oscilation damping ,” CPE2009, 6th international Conf workshop, pp. 196–203, 2009. N.G. Hingorani, L. Gyugyi, Understanding FACTS: Concepts and technology of flexible ac transmission system, IEEE Press, NY, 2000. R.M. Mathur and R.K. Varma, Thyristor-Based FACTS Controllers for Electrical Transmission Systems IEEE Press and Wiley Interscience, New York, USA, Feb. 2002. R. K. Varma and S. Auddy, “Mitigation of subsynchronous oscillations in a series compensated wind farm using static var compensator,” in Proc. IEEE Power Eng. Soc. General Meeting Conf, pp. 1–7, Paper 06 GM1272, 2006. R. K. Varma, S. Auddy, and Y. Semsedini, “Mitigation of subsynchronous resonance in a series-compensated wind farm using FACTS controllers,” IEEE Trans. Power Del., vol. 23, no. 3, pp. 1645–1654, Jul. 2008. E. V. Larsen, J. J. Sanchez-Gasca, and J. H. Chow, “Concepts for design of FACTS controllers to damp power swings,” IEEE Trans. Power Syst., vol. 10, no. 2, pp. 948–956, May 1995. F. Domingues de Jesus, E. Hirokazu Watanabe, L. Felipe Willcox de Souza and J. E. R. Alves, “SSR and Power Oscillation Damping Using Gate-Controlled Series Capacitors (GCSC),” IEEE Trans. Power Delivery., vol. 22, no. 3, pp. 1806–1812, July 2007. R. K. Varma, Y. Semsedini and S. Auddy, “Mitigation of Subsynchronous Oscillations in a Series Compensated Wind Farm with Thyristor Controlled Series Capacitor (TCSC),” in Proc. IEEE Power Eng. Soc. General Meeting Conf, pp. 1–7, 2007. M. S. El-Moursi, B. Bak-Jensen, M. H. Abdel-Rahman “Novel STATCOM Controller for Mitigating SSR and Damping Power System Oscillations in a Series Compensated Wind Park,” IEEE Trans. Power Delivery., vol. 25, no. 2, pp. 429–441, Feb 2010. David G. Wilson and Rush D. Robinett, “Nonlinear Power Flow Control Applications to Conventional Generator Swing Equations Subject to Variable Generation,” SPEEDAM 2010, International Symposium on Power Electronics, Electrical Drives, Automation and Motion. S.G.Thakare, and H.S.Dalvi, K.D.Joshi, “Statcom Based Fuzzy Controller For Grid Connected Wind Generator,” Second International Conference on Emerging Trends in Engineering and Technology, ICETET-09. N. Dizdarevic, M. Majstrovic, and G. Andersson, “FACTS-based reactive power compensation of wind energy conversion system,” Paper accepted for presentation at 2003 IEEE Bologna PowerTech Conference, June 23-26, Bologna, Italy. N. Dizdarevic, Unrfed Power Flow Controller in olleviotion of voltage slabiliry problem, Ph.D. thesis, University of Zagreb, Croatia, Oct. 2001, [Onlinc]. Available: www.cihD.hrl-ndizdar. J. Charles Smith, “Winds of change: issues in utility wind integration,” IEEE Power and energy magazine, November/December 2005. I. Erlich and U. Bachmann, “Grid code requirements concerning connection and operation of wind turbines in Germany,” in IEEE PES general meeting, June 2005, pp. 2230–2234. Claudio L.Souza et. al.,: "Power System Transient Stability Analysis Including Synchronous and Induction Generator", IEEE porto Power Tech Proceedings, Vol.2, pp.6, 2001. Sun, Tao, Chen, Z., Blaabjerg F.,"Voltage Recovery of Grid-Connected Wind Turbines After a Short- Circuit Fault" The 29' Annual Conference of the IEEE Industrial Electroics Society, IECON 2003, Roanoke, Virginia, USA, p.p.2723-2728, 2003. S. M. Muyeen, Mohammad Abdul Mannan, Mohd. Hasan Ali, Rion Takahashi, Toshiaki Murata, Junji Tamura," Stabilization of Grid Connected Wind Generator by STATCOM", Power Electronics and Drives Systems, 2005. PEDS 2005. International Conference on Volume 2, Issue , 28-01 Nov. 2005. Tarek Ahmed, Osamu Noro, Eiji Hiraki and Mutsuo Nakaoka, "Terminal Voltage Regulation Characteristics by Static Var Compensator for a Three-Phase Self-Excited Induction Generator", IEEE Transaction on Industry Applications, Vol.40, No.4, pp.978-988, July/August 2004. Y. L. Tan, "Analysis of Line Compensation by Shunt-Connected FACTS Controllers: A Comparison between SVC and STATCOM", IEEE Power Engineering Review, pp.57-58, August 1999. Claudio L.Souza et. al., “Power System Transient Stability Analysis including Synchronous and Induction Generator,” IEEE Porto Power Tech Proceedings, Vol.2, pp.6, 2001. Daad-Saoud Z., “Application of STATCOMs to Wind Farms,” IEE Proc. Gener. Transm. Distrib. Vol.145, No.5, pp.511-517, 1998. Sun, Tao, Chen et. al., “Flicker Mitigation of Grid Connected Wind Turbines Using STATCOM,” Proc. Of 2nd IEE International Conference on Power Electronics, Machines and Drives, PEMD04, 2004. Z. Chen, F. Blaabjerg, Y Hu, “Voltage Recovery of Dynamic Slip Control Wind Turbines with a STATCOM,” International Power Electronic Conference (IPEC05), S29-5, pp.1093-1100, 2005. S. M. Muyeen et al., “Stabilization of Grid Connected Wind Generator by STATCOM,” International Conference on Power Electronics and Drive Systems (IEEE PEDS 2005), Conference CDROM, pp. 1584-1589, Malaysia, 2005. S.M.Muyeen et al., “Application of Fuzzy Logic Control Based STATCOM to Stabilize Wind Turbine Generator System,” XVII International Conference on Electrical Machines (ICEM 2006), Paper No.198, Chania, Crete Island, Greece, Sep 2-5, 2006. S. M. Muyeen et al., “Transient Stability Analysis of Wind Generator System with the Consideration of Multi-Mass Shaft Model,” International Conference on Power Electronics and Drive Systems (IEEE PEDS 2005), Conference CDROM, pp.511-516, Malaysia, 2005. Salman K. Salman and Anita L. Teo, “Windmill Modeling Consideration and Factors Influencing the Stability of a Grid-Connected Wind Power-Based Embedded Generator,” IEEE Transactions on Power Systems, Vol.18, No.2, pp.793-802, 2003. Gaurav Kumar Kasal, and Bhim Singh, “Voltage and Frequency Controllers for an Asynchronous Generator-Based Isolated Wind Energy Conversion System,” IEEE Transactions On Energy Conversion, Vol. 26, No. 2, June 2011, pp.40-416. Z. Chen and Y. Hu, “Power system dynamics influenced by a power electronic interface for variable speed wind energy conversion systems”, International Universities Power Engineering Conference, Vol. 2, pp. 659-663, September, 2004. R. Grunbaum, P. Halvarsson, D. Larsson and P. R. Jones, “Conditioning of power grids serving off-shore wind farms based on asynchronous generator”, Conference on Power Electronics, Machine and Drives, Vol. 1, pp. 34-39, March/April, 2004. T. Sun, Z. Chen and F. Blaabjerg, “Flicker mitigation of grid connected wind turbines using STATCOM”, Conference on Power Electronics, Machine and Drives, Vol. 1, pp. 175-180, March/April, 2004. M. I. Marei, T. H. M. El-Fouly, E. F. El-Saadany and M. M. A. Salama, “A flexible wind energy scheme for voltage compensation and flicker mitigation”, IEEE Power Engineering Society General Meeting, Vol. 4, pp. 2497-2500, July, 2003. Z. Saad-Saoud, M. L. Lisboa, J. B. Ekanayake, N. Jenkins and G. Strbac, “Application of STATCOMs to wind farms”, IEE Proceedings- Generation, Transmission and Distribution, Vol. 145, No. 5, pp. 511- 516, September, 1998. K. H. Sobtink, K. W. Renz and H. Tyll, “Operational experience and field tests of the SVG at Rejsby Hede”, International Conference on Power System Technology, Vol. 1, pp. 318-322, August, 1998. H. Byung-Moon, L. Burn-Kyoo, J. Young-Soo and L. Kwang-Yeol, “Application feasibility analysis of STATCOM for wind power system with induction generator”, Transactions of the Korean Institute of Electrical Engineers, Vol. 53, No. 6, pp. 309-315, June, 2004. X. Wu, A. Arulampalam, C. Zhan and N. Jenkins, “Application of a static reactive compensator (STATCOM) and a dynamic braking resistor (DBR) for the stability enhancement of a wind farm”, Wind Engineering, Vol. 27, No. 2, pp. 93-106, 2003. J. Sung-ll, C. Jeong-Hwan, P. In-ki, H. Hye-Mi, C. Don-Man, K. Kwang-Ho and Y. Neung-Soo, “A study on the STATCOM applications for efficient operations of wind farm”, Transactions of the Korean Institute of Electrical Engineers, Vol. 52, No. 5, pp. 250-256, May, 2003. K. H. Sobrink, J. K. Pedersen, K. O. H. Pedersen, F. Schettler, K. Bergmann and N. Jenkins, “Reactive power compensation of 24 MW wind farm using a 12-pulse voltage-source converter”, International Conference on Large High Voltage Electric Systems, Vol. 4, August/September, 1998. A. Papantoniou and A. Coonick, “Simulation of FACTS for wind farm applications”, IEE Colloquium on Power Electronics for Renewable Energy (Digest No: 1997/170), June, 1997. N. Dizdarevic and M. Majstrovic, “FACTS-based reactive power compensation of wind energy conversion system”, IEEE Power Tech Conference Proceedings, Vol. 2, June, 2003. N. Dizdarevic, M. Majstrovic and G. Andersson, “Reactive power compensation of a wind energy conversion system using Unified Power Flow Controller”, International Journal of Energy Technology and Policy, Vol. 3, No. 3, pp. 269-298, 2005. A. Papantoniou and A. Coonick, “Fuzzy Logic Control of a Unified Power Flow Controller for Wind Farm Applications”, IEE Colloquium on Power Electronics for Renewable Energy, pp. 9/1-9/6, June, 1997. A. Kehrli and M. Ross, “Understanding grid integration issues at wind farms and solutions using voltage source converter FACTS technology”, IEEE Power Engineering Society General Meeting, Vol. 3, pp. 1828- 1831, July, 2003. J. E. Hill, “A practical example of the use of distribution static compensator (D-STATCOM) to reduce voltage fluctuations”, IEE Colloquium on Power Electronics for Renewable Energy (Digest No: 1997/170), June, 1997. P. K. S. Khan and J. K. Chatterjee, “Integration of solid-state lead-lag VAr compensator and self-excite induction generator for low cost power generation”, National Power Engineering Conference, pp. 185-192, December, 2003. M. Noroozian, H. Knudsen and M. Bruntt, “Improving wind farm performance by reactive power compensation”, proceedings of the IASTED International Conference Power and Energy Systems, pp. 437- 442, September, 2000. K. H. Sobrink, K. W. Renz and H. K. Tyll, “FACTS faces into wind”, International Power Generation, Vol. 19, No. 6, pp. 51-52, November, 1996. R. C. Bansal, T. S. Bhatti and D. P. Kothari, “A novel mathematical modelling of induction generator for reactive power control of isolated hybrid power systems”, International Journal of Modelling and Simulation, Vol. 24, No. 1, pp. 1-7, 2004. R. C. Bansal, “Reactive power compensation of wind-diesel hybrid power systems usibg Matlab/Simulink” International Journal of Energy Technology and Policy, Vol. 3, No. 3, pp. 237-252, 2005. M. Palsson, T. Toftevaag, K. Uhlen and J. O. G. Tande, “Large-scale Wind Power Integration and Voltage Stability Limits in Regional Networks”, IEEE Power Engineering Society Summer Meeting, Vol. 2, pp. 762-769, 2002. M. Palsson, T. Toftevaag, K. Uhlen and J. O. G. Tande, “Control Concepts to Enable Increased Wind Power Penetration”, IEEE Power Engineering Society General Meeting, Vol. 3, 1984-1990, July, 2003. N. Laverdure, S. Bacha, D. Roye, B. Raison and F. Dumas, “Elements of modeling of wind power systems with energy management: two structures in comparison”, IEEE Annual Conference of the Industrial Electronics Society, Vol. 2, pp. 1083-1088, November, 2002. A. L. T. Garcia, J. M. M. Ortega and E. R. Ramos, “Reactive power compensation strategies for wind generation in distribution systems: a power quality approach” International Journal of Energy Technology and Policy, Vol. 3, No. 3, pp. 196-212, 2005. L. T. Ha and T. K. Saha, “Investigation of power loss and voltage stability limits for large wind farm connections to a subtransmission network”, IEEE Power Engineering Society General Meeting, Vol. 2, pp. 2251-2256, June, 2004. C. D. Vournas and E. G. Potamianakis, “Investigation of short-term voltage instability problems and countermeasures”, IEEE PES Power Systems Conference and Exposition, Vol. 1, pp. 385-391, October, 2004. W. Freitas, M. B. C. Salles, J. C. M. Vieira, A. Morelato, L. C. P. da Silva and V. F. da Costa, “Impacts of dynamic reactive power compensation devices on the performance of wind power generators” International Journal of Energy Technology and Policy, Vol. 3, No. 3, pp. 223-236, 2005. T. E. Sharaf-Eldin, M. S. Abou-Elalaa and T. K. Aboul-Seoud, “Controlled performance of a wind driven self-excited induction generator” Alexandria Engineering Journal, Vol. 43, No. 6, pp. 801-807, November, 2004. E. Muljadi, C. P. Butterfield, R. Yinger and H. Romanowitz, “Energy storage and reactive power compensation in a large windfarm” AIAA Aerospace Sciences Meeting and Exhibit, pp. 114-123, January, 2004. K. A. Nigim, A. F. Zobaa and I El-Amin, “An introduction to reactive power compensation of wind farms” International Journal of Energy Technology and Policy, Vol. 3, No. 3, pp. 185-195, 2005. Jun-ling Wu, Shuang-xi Zhou, Jian-feng Sun, Shou-sun Chen and Qinghe Meng, “Analysis on maximum power injection of wind farm connected to power system” Power System Technology, Vol. 28, No. 20, pp. 28-32, October, 2004. O. Anaya-Lara, F. Hughes, N. Jenkins, and G. Strbac, "Influence of windfarms on power system dynamic and transient stability," Wind Engineering, vol. 30, no. 2, pp. 107-27, 2006. J. Slootweg and W. Kling, "The impact of large scale wind power generation on power system oscillations," Electric Power Systems Research, vol. 67, no. 1, pp. 9 - 20, 2003. E. Hagstrom, I. Norheim, and K. Uhlen, "Large-scale wind power integration in norway and impact on damping in the nordic grid," Wind Energy vol. 8, no. 3, pp. 375-384, JUL-SEP 2005. G. Tsourakis, B. Nomikos, and C. Vournas, "Effect of wind parks with doubly fed asynchronous generators on small-signal stability," Electric Power Systems Research, vol. 79, no. 1, pp. 190 - 200, 2009. G. Rogers, Power System Oscillations, 1st ed., ser. Power Electronics and Power Systems. Kluwer Academic Publishers, 2000, ISBN-10: 0792377125. E. Lerch, D. Povh, and L. Xu, "Advanced svc control for damping power system oscillations," Power Systems, IEEE Transactions on, vol. 6, no. 2, pp. 524-535, may 1991. N. Mithulananthan, C. Canizares, J. Reeve, and G. Rogers, "Comparison of pss, svc, and statcom controllers for damping power system oscillations," Power Systems, IEEE Transactions on, vol. 18, no. 2, pp. 786 - 792, may 2003. E.-Z. Zhou, "Application of static var compensators to increase power system damping," Power Systems, IEEE Transactions on, vol. 8, no. 2, pp. 655 -661, may 1993. G. Liu, Z. Xu, Y. Huang, and W. Pan, "Analysis of inter-area oscillations in the south china interconnected power system," Electric Power Systems Research, vol. 70, no. 1, pp. 38 - 45, 2004. T. Smed and G. Andersson, "Utilizing hvdc to damp power oscillations," Power Delivery, IEEE Transactions on, vol. 8, no. 2, pp. 620 -627, apr 1993. V. Akhmatov, "Variable-speed wind turbines with doubly-fed induction generators, part I: Modelling in dynamic simulation tools," Wind Engineering, vol. 26, no. 2, p. 85, 2002. R. de Almeida and J. Lopes, "Participation of doubly fed induction wind generators in system frequency regulation," Power Systems, IEEE Transactions on, vol. 22, no. 3, pp. 944-950, Aug. 2007. T. Kniippel, J. Thisted, B. Andresen, M. N. Frydensbjerg, V. Akhmatov, and J. N. Nielsen, "Grid support capabilities of full-load converter interfaced wind turbines," in POWER-GEN India & Central Asia. PennWell Corporation, April 2010. V. Akhmatov, "Variable-speed wind turbines with doubly-fed induction generators part II: Power system stability," Wind Engineering, vol. 26, no. 3, p. 171, 2002. F. Hughes, O. Anaya-Lara, N. Jenkins, and G. Strbac, "A power system stabilizer for dfig-based wind generation," Power System, IEEE Transactions on, vol. 21, no. 2, pp. 763-772, 2006. K. Elkington, "Modelling and control of doubly fed induction generators in power systems: Towards understanding the impact of large wind parks on power system stability," PhD Thesis, KTH, Electric Power Systems, SE-100 44, Stockholm, Sweden, April 2009, ISBN: 978-91-7415-264-7. Z. Miao, L. Fan, D. Osborn, and S. Yuvarajan, "Control of dfig based wind generation to improve inter-area oscillation damping," Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century, 2008 IEEE, pp. 1-7, July 2008. C. Martinez, G. Joos, and B. Ooi, "Power system stabilizers in variable speed wind farms," in Power Energy Society General Meeting, 2009. PES '09. IEEE, July 2009, pp. 1 - 7 . N. Kshatriya, U. D. Annakkage, F. M. Hughes, and A. M. Gole, "Optimized partial eigenstrucrure assignment-based design of a combined pss and active damping controller for a dfig," Power Systems, IEEE Transactions on, vol. 25, no. 2, pp. 866 -876, may 2010. P. Ledesma and C. Gallardo, "Contribution of variable-speed wind farms to damping of power system oscillations," 2007 IEEE Lausanne Power Tech, pp. 190-194, 2007. Sung-Il Jang, Jeong-Hwan Choi, In-Ki Park, Hye-Mi Hwang, Don-Man Choi, Kwan-Ho Kim, Neung Soo Yoo A, “A Study on the STATCOM Application for Efficient Operations of Wind Farm,” May 2003, Volume 52 Number 5 pp.250-256. Byung-Moon Han, Bum-Kyoo Lee, Young-Soo Jon, Kwang-YeolLee A, “Application Feasibility Analysis of STATCOM for Wind Power System with Induction Generator,” June 2004, Volume 53 Number 6 pp.309-315. Sidhartha Panda, and Ramnarayan N. Patel, “Improving Power System Transient Stability with An off–Centre Location of Shunt Facts Devices,” Journal of Electrical Engineering, Vol. 57, No. 6, 2006, pp.365–368. V.Suresh Kumar, Ahmed F.Zobaa, R.Dinesh Kannan, and K.Kalaiselvi, “Power Quality and Stability Improvement in Wind Park System Using STATCOM,” Jordan Journal of Mechanical and Industrial Engineering, Volume 4, Number 1, Jan. 2010, Pages 169 – 176. A.Arulampalam, M.Barnes & N.Jenkins, Power quality and stability improvement of a wind farm using STATCOM, Proc. IEE Generation, Transmission & Distribution, Vol. 153, No.6, 2006, 701-710. Z.Saad-Saoud, M.L.Lisboa, J.B.Ekanayake, N. Jenkins & G.Strbac, Application of STATCOMs to wind farms, Proc. IEE Generation, Transmission & Distribution, Vol.145, No. 5, 1998, 511–516. A.Arulampalam, J.B.Ekanayake & N.Jenkins, Application study of a STATCOM with energy storage, Proc. IEE Generation, Transmission & Distribution, Vol. 150, No. 3, 2003, 373–384. G. Elsady1, Y. A. Mobarak2, and A-R Youssef, “STATCOM for Improved Dynamic Performance of Wind,” Proceedings of the 14th International Middle East Power Systems Conference (MEPCON’10), Cairo University, Egypt, December 19-21, 2010, Paper ID 207. Lie Xu Liangzhong Yao Sasse, C.," Comparison of using SVC and STATCOM for wind farm integration", International Conference on Power System Technology, pp. 1-7, Oct 2006. C. A. Ca˜nizares, M. Pozzi, and E. Uzunovic, “STATCOM modeling for voltage and angle stability studies”, International Journal of Electrical Power & Energy Systems, vol. 25, no. 6, pp. 431–441, June 2003. E. Uzunovic, C. A. Canizares, J. Reeve, "Fundamental Frequency Model of Static Synchronous Compensator", in: Proc. North American Power Symposium (NAPS), Laramie, Wyoming, pp. 49–54, 1997. D. N. Koseterev, "Modeling Synchronous Voltage Source Converters in Transmission System Planning Studies", IEEE Trans. Power Delivery Vol.12, No.2, pp. 947–952, 1997. Mohamed A. El-Sayed, “Integrating Wind Energy into Weak Power Grid Using Fuzzy Controlled TSC compensator,” International Conference on Renewable Energies and Power Quality (ICREPQ’10), Granada (Spain), 23rd to 25th March, 2010. K.Malarvizhi, and K.Baskaran, “Enhancement of Voltage Stability in Fixed Speed Wind Energy Conversion Systems using FACTS Controller,” International Journal of Engineering Science and Technology Vol. 2(6), 2010, 1800-1810. T. Sun, Z. Chen, F. Blaabjerg, “Voltage recovery of grid-connected wind turbines with DFIG after a short-circuit fault,” 2004 IEEE 35th Annual Power Electronics Specialists Conference, vol. 3, pp. 1991-97, 20-25 June 2004. M. Molinas, S. Vazquez, T. Takaku, J.M. Carrasco, R. Shimada, T. Undeland, “Improvement of transient stability margin in power systems with integrated wind generation using a STATCOM: An experimental verification,” International Conference on Future Power Systems, 16-18 Nov. 2005. E. Muljadi, C.P. Butterfield, “Wind Farm Power System Model Development,” World Renewable Energy Congress VIII, Colorado, Aug-Sept 2004. S.M. Muyeen, M.A. Mannan, M.H. Ali, R. Takahashi, T. Murata, J. Tamura, “Stabilization of Grid Connected Wind Generator by STATCOM,” IEEE Power Electronics and Drives Systems, Vol. 2, 28-01 Nov. 2005. Z. Saad-Saoud, M.L. Lisboa, J.B. Ekanayake, N. Jenkins, G. Strbac, “Application of STATCOMs to wind farms,” IEE Proceedings – Generation, Transmission, Distribution, vol. 145, pp.1584-89, Sept 1998. L. Chun, J. Qirong, X. Jianxin, “Investigation of Voltage Regulation Stability of Static Synchronous Compensator in Power System,” IEEE Power Engineering Society Winter Meeting, vol. 4, 2642-47, 23-27 Jan. 2000. Wei Qiao, Ganesh Kumar Venayagamoorthy, and Ronald G. Harley, “Real-Time Implementation of a STATCOM on a Wind Farm Equipped With Doubly Fed Induction Generators Farms in Power Grid,” IEEE Transactions On Industry Applications, Vol. 45, No. 1, January/February 2009. N. Dizdarevic, Unified Power Flow Controller in alleviation of voltage stability problem, Ph.D. thesis, University of Zagreb, Croatia, Oct. 2001, [Online]. Available: www.eihp.hr/~ndizdar. Ramaprasad Panda, Prasant kumar Satpathy, and Subrata Paul, “Application of SVC to mitigate voltage instability in a Wind system connected with Grid,” International Journal Of Power System Operation and Energy Management (IJPSOEM) Volume-1, Issue-1, pp. 90-96, 2011. A. Adamczyk, R. Teodorescu, and P. Rodriguez, “Control of Full-Scale Converter Based Wind Power Plants for Damping of Low Frequency System Oscillations,” Paper accepted for presentation at the 2011 IEEE Trondheim Power Tech. W. Qiao, G.K. Venayagamoorthy, R.G. Harley, “Coordinated Reactive Power Control of a Large Wind Farm and a STATCOM Using Heuristic Dynamic Programming”, IEEE Ttrans. on Energy Conversion, Vol. 24, No. 2, Jun 2009. Abdel – Magid Y.L. and El-Amin I.M., (1987)“Dynamic Stability of wind –turbine generators under widely varying load conditions”, Electrical Power and Energy Systems, Vol.9, No.3, pp.180-188,1987. Clemens Jauch, Poul Sorensen, Ian Norheim, Carsten Rasmussen, (2007) “Simulation of the Impact of Wind power on the transient fault behavior of the Nordic Power System”, Electric Power System Research, Vol. 77, pp.135-144. Mohamed S.Elmoursi, Adel M.Sharaf,(2006), “Novel STATCOM controllers for voltage stabilization of standalone Hybrid schemes”, International Journal of Emerging Electric Power Systems, Vol.7, Issue 3, Art 5,pp. 1-27. Olof Samuelsson and Sture Lindahl, (2005),“On Speed Stability”, IEEE Transactions on Power Systems, Vol.20, No.2,pp. 1179-1180. Istvan Erlich, Jorg Kretschmann, Jens Fortmann, Stephan Mueller-Engelhardt and Holger Wrede, (2007),“Modeling of Wind Turbines Based on Doubly-Fed Induction Generators for Power System Stability Studies”, IEEE Transactions on Power Systems, Vol.22, No.3, 2007, pp.909-919, 2007. Varma R.K. and Tejbir S.Sidhu, (2006)“Bibliographic Review of FACTS and HVDC applications in Wind Power Systems”, International Journal of Emerging Electric Power Systems, Vol.7, No. 3, pp. 1-16. Vladislav Akhmatov, (2003),“Analysis of dynamic behavior of electric power systems with large amount of wind power”, Ph.D thesis, Technical University of Denmark. Senthil Kumar.N. , Abdullah Khan.M., (2008) ,“Impact of FACTS controllers on the dynamic stability of power systems connected with Wind Farms”, Wind Engineering, Vol.32, No.2, pp.115-132. Gaurav Kumar Kasal and Bhim Singh, “Three-Phase 4-Wire Isolated Wind Energy Conversion System Employing VSC with a T-Connected Transformer for Neutral Current Compensation,” Journal of Electrical Engineering & Technology Vol. 4, No. 2, pp. 211~218, 2009. Liang Wu, Jeongje Park, Jaeseok Choi and A. A. EI-Keib, “Probabilistic Reliability Evaluation of Power Systems Including Wind Turbine Generators Considering Wind Speed Correlation,” Journal of Electrical Engineering & Technology Vol. 4, No. 4, pp. 485~491, 2009. Gilsung Byeon, In Kwon Park and Gilsoo Jang, “Modeling and Control of a Doubly-Fed Induction Generator (DFIG) Wind Power Generation System for Real-time Simulations,” Journal of Electrical Engineering & Technology Vol. 5, No. 1, pp. 61~69, 2010. Ji-Heon Lee, Jong-Kyou Jeong, Byung-Moon Han, Nam-Sup Choi and Han-Ju Cha, “DFIG Wind Power System with a DDPWM Controlled Matrix Converter,” Journal of Electrical Engineering & Technology Vol. 5, No. 2, pp. 299~306, 2010. Win-Won Park, Sang-Geun Han, and In-Keun Yu, “Real Weather Condition Based Simulation of Stand-Alone Wind Power Generation Systems Using RTDS,”KIEE International Transactions on EMECS, Vol.4-B, No.3, pp.146-152, 2004. Ramaprasad Panda1, Prasant kumar Satpathy, Subrata Paul, “Application of SVC to mitigate voltage instability in a Wind system connected with GRID,” International Journal Of Power System Operation and Energy Management (IJPSOEM), Volume-1, Issue-1, pp.90-96, 2011. Johan Ribrant, and Lina Margareta Bertling, “Survey of Failures in Wind Power Systems With Focus on Swedish Wind Power Plants During 1997–2005,” IEEE Transactions On Energy Conversion, Vol. 22, No. 1, pp.167-173, March 2007. A.M. Sharaf, and Weihua Wang, “A Low-Cost Voltage Stabilization and Power Quality Enhancement Scheme for a Small Renewable Wind Energy Scheme,” IEEE ISIE 2006, July 9-12, 2006, pp.1946-1956, Montreal, Quebec, Canada. European Wind Energy Association. (2003). Wind energy—the facts, H. Chandler, Ed. [Online]. Available: http://www.ewea.org. L.Bertling, “Pre-study on reliability-centered maintenance forwind power systems with focus on condition monitoring systems,” KTH (Royal Inst. Technol.) School Electr. Eng., Stockholm, Sweden, Elforsk project 2356, 2005. T. K. Hansen, private communication, Jan. 2006. L. Bertling, R. N. Allan, and R. Eriksson, “A reliability-centred asset maintenance method for assessing the impact of maintenance in power distribution systems,” presented at the IEEE PES General Meeting, San Francisco, Jun. 2005, TPWRS-00271–2003. R3. G. Elsady, Y. A. Mobarak, and A-R Youssef, “STATCOM for Improved Dynamic Performance of Wind Farms in Power Grid,” Proceedings of the 14th International Middle East Power Systems Conference (MEPCON’10), Cairo University, Egypt, December 19-21, 2010, Paper ID 207. Lie Xu Liangzhong Yao Sasse, C.," Comparison of using SVC and STATCOM for wind farm integration", International Conference on Power System Technology, pp. 1-7, Oct 2006. Wei Qiao, Ganesh K. Venayagamoorthy, and Ronald G. Harley, “DHP-Based Wide-Area Coordinating Control of a Power System with a Large Wind Farm and Multiple FACTS Devices,” Proceedings of International Joint Conference on Neural Networks, Orlando, Florida, USA, August 12-17, 2007. P. J. Werbos, “Approximate dynamic programming for real-time control and neural modeling,” in Handbook of Intelligent Control, D. White and D. Sofge, Eds., New York: Van Nostrand Reinhold, 1992, pp. 493-526. D. V. Prokhorov and D. C. Wunsch, “Adaptive critic designs,” IEEE Trans. Neural Networks, vol. 8, no. 5, pp. 997-1007, Sept. 1997. G. K. Venayagamoorthy, R. G. Harley, and D. C. Wunsch, “Implementation of adaptive critic-based neurocontrollers for turbogenerators in a multimachine power system,” IEEE Trans. Neural Networks, vol. 14, no. 5, pp. 1047-1064, Sept. 2003. J-W Park, R. G. Harley, and G. K. Venayagamoorthy, “New External Neuro-controller for Series Capacitive Reactance Compensator in a Power Network,” IEEE Trans. Power Systems, vol. 19, no. 3, pp. 1462-1472, Aug. 2004. W. Qiao and R. G. Harley, “Indirect adaptive external neuro-control for a series capacitive reactance compensator based on a voltage source PWM converter in damping power oscillations,” IEEE Trans. Industrial Electronics, vol. 54, no. 1, Feb. 2007, in press. J. Kennedy and R. C. Eberhart, “Particle swarm optimization,” in Proc. of IEEE International Conference on Neural Networks, Piscataway, NJ, USA, Nov. 27-Dec. 1, 1995, vol. 4, pp. 1942-1948. J. Charles Smith, “Winds of change: issues in utility wind integration,” IEEE Power and energy magazine, November/December 2005. I. Erlich and U. Bachmann, “Grid code requirements concerning connection and operation of wind turbines in Germany,” in IEEE PES general meeting, June 2005, pp. 2230–2234. Claudio L.Souza et. al.,: "Power System Transient Stability Analysis Including Synchronous and Induction Generator", IEEE porto Power Tech Proceedings, Vol.2, pp.6, 2001. Sun, Tao, Chen, Z., Blaabjerg F.,"Voltage Recovery of Grid-Connected Wind Turbines After a Short- Circuit Fault" The 29' Annual Conference of the IEEE Industrial Electroics Society, IECON 2003, Roanoke, Virginia, USA, p.p.2723-2728, 2003. S. M. Muyeen, Mohammad Abdul Mannan, Mohd. Hasan Ali, Rion Takahashi, Toshiaki Murata, Junji Tamura," Stabilization of Grid Connected Wind Generator by STATCOM", Power Electronics and Drives Systems, 2005. PEDS 2005. International Conference on Volume 2, Issue , 28-01 Nov. 200. Tarek Ahmed, Osamu Noro, Eiji Hiraki and Mutsuo Nakaoka, "Terminal Voltage Regulation Characteristics by Static Var Compensator for a Three-Phase Self-Excited Induction Generator", IEEE Transaction on Industry Applications, Vol.40, No.4, pp.978-988, July/August 2004. Y. L. Tan, "Analysis of Line Compensation by Shunt-Connected FACTS Controllers: A Comparison between SVC and STATCOM", IEEE Power Engineering Review, pp.57-58, August 1999. J. G. Slootweg, S. W. H de Haan, H. Polinder, and W. L. Kling, “Modeling Wind Turbines in Power System Dynamics Simulations.” Proceedings of the 2001 IEEE Power Engineering Society Summer Meeting, Vol. 1, pp. 22-26, July 2001. G. Lalor, J. Ritchie, S. Rourke, D. Flynn and M. J. O’Malley, “Dynamic frequency control with increasing wind generation.” Proceedings of the 2004 IEEE Power Engineering Society General Meeting, Vol. 2, pp. 1715-1720, June 2004. Erlich, W. Winter, and A. Dittrich, “Advanced grid requirements for the integration of wind turbines into the german transmission system,” IEEE PES General Meeting, pp. 1–7, 2006. A. Luna, P. Rodriguez, R. Teodorescu, and F. Blaabjerg, “Low voltage ride through strategies for SCIG wind turbines in distributed power generation systems,” Power Electronics Specialist Conference, pp. 2333–2339, June 2008. M. Molinas, J. A. Suul, and T. M. Undeland, “Low voltage ride through of wind farms with cage generators: STATCOM versus SVC,” IEEE Trans. on Power El., vol. 23, pp. 1104–1117, 2008. L. Qi, J. Langston, and M. Steurer, “Applying a STATCOM for stability improvement to an existing wind farm with fixed-speed induction generators,” PES General Meeting, pp. 1–6, 2008. Arefeh Danesh Shakib, Ervin Spahić, and Gerd Balzer, “Optimal Location of Series FACTS Devices toControl Line Overloads in Power Systems with High Wind Feeding,” Paper accepted for presentation at 2009 IEEE Bucharest Power Tech Conference, June 28th - July 2nd, Bucharest, Romania. N.S. Kumar, and J.G. Krishnan, “Application of FACTS Controllers for Wind Power Smoothening in Grid-connected Doubly-fed Induction Generator Systems,” Australian Journal of Electrical and Electronics Engineering, Vol. 8, No.1, 2011. Shuhui Li, Donald C. Wunsch, Edgar A. O’Hair, and Michael G. Giesselmann, “Using Neural Networks to Estimate Wind Turbine Power Generation,” IEEE Transactions On Energy Conversion, Vol. 16, No. 3, September 2001. N. Dinic, B. Fox, D. Flynn, L. Xu and A. Kennedy, “Increasing wind farm capacity,” IEE Proc.-Gener. Transm. Distrib., Vol. 153, No. 4, July 2006. Tande, J.O.V.: ‘Applying power quality characteristics of wind turbines for assessing impact on voltage quality’, Wind Energy, 2002, 5, pp. 37–52. Slootweg, J.G., de Haan, S.W.H., Polinder, H., and Kling, W.L.: ‘Wind power and voltage control’ in Ackermann, T. (Ed.): ‘Wind power in power systems’ (Wiley, 2005). Cartwright, P., Holdsworth, L., Ekanayake, J. B., and Jenkins, N.: ‘Co-ordinated voltage control strategy for a doubly-fed induction generator based wind farm’, IEE Proc., Gener. Transm. Distrib., 2004, 151, (4), pp. 495–502. Slootweg, J.G., de Haan, S.W.H., Polinder, H., and Kling, W.L.: ‘Voltage control methods with grid connected wind turbines’, Wind Eng., 2001, 25, pp. 353–366. Romanowitz, H.,Muljadi, E., Butterfield, C. P., and Yinger,R.: ‘VAr support from distributed wind energy resources’. Presented at the World Renewable Energy Congress VIII (CD Record), Denver, 2004. A. Arulampalam, M. Barnes, N. Jenkins and J.B. Ekanayake, “Power quality and stability improvement of a wind farm using STATCOM supported with hybrid battery energy storage,” IEE Proc.-Gener. Transm. Distrib., Vol. 153, No. 6, November 2006. Saad-Saoud, Z., Lisboa, M.L., Ekanayake, J.B., Jenkins, N., and Strbac, G.: ‘Application of STATCOMs to wind farms’, IEE Proc. Gener. Transm. Distrib., 1998, 145, (5), pp. 511–516. A book written by the project group at the conclusion of a project to install and monitor the performance of an 8MVAr ASVC at Rejsby Hede wind farm in Jutland. ‘Power quality improvements of wind farms’, Denmark, June 1998, ISBN 87-90707-05-2. Arulampalam, A., Ekanayake, J.B., and Jenkins, N.: ‘Application study of a STATCOMwith energy storage’, IEE Proc. Gener. Transm. Distrib., 2003, 150, (3), pp. 373–384. Hitachi, I.A., and Suzuki, H.: ‘Levelling of power fluctuation of wind power generation using sodium-sulfur battery’. Proc. of 6th Int. Conf. on Batteries for Utility Energy Storage, Germany, September 1999, pp. 7T3–7T3. Arulampalam, A.: ‘Power-quality improvement with battery-supported voltage-source converters’. Thesis submitted to University of Manchester of Science and Technology, November 2002. Bousseau, P.: ‘Solutions for the grid integration of wind farms – A survey’. Proc. of 2004 European Wind Energy Conf., November 2004, pp. 12–16. Ribeiro, P.F., Johnson, B.K., Crow, M.L., Arsoy, A., and Liu, Y.: ‘Energy storage systems for advanced power applications’ (invited paper), Proc. IEEE, 2001, 89, (12), pp. 1744–1756. Julia Nilsson, and Lina Bertling, “Maintenance Management of Wind Power Systems Using Condition Monitoring Systems—Life Cycle Cost Analysis for Two Case Studies,” IEEE Transactions On Energy Conversion, Vol. 22, No. 1, March 2007. Changling Luo, Hadi Banakar, Baike Shen, and Boon-Teck Ooi, “Strategies to Smooth Wind Power Fluctuations of Wind Turbine Generator,” IEEE Transactions On Energy Conversion, Vol. 22, No. 2, June 2007. Gerardo Tapia, Arantxa Tapia, and J. Xabier Ostolaza, “Proportional–Integral Regulator-Based Approach to Wind Farm Reactive Power Management for Secondary Voltage Control,” IEEE Transactions On Energy Conversion, Vol. 22, No. 2, June 2007. Lie Xu, Liangzhong Yao, and Christian Sasse, “Grid Integration of Large DFIG-Based Wind Farms Using VSC Transmission,” IEEE Transactions On Power Systems, Vol. 22, No. 3, August 2007. Nayeem Rahmat Ullah, Torböjrn Thiringer, and Daniel Karlsson, “Voltage and Transient Stability Support by Wind Farms Complying With the E.ON Netz Grid Code,” IEEE Transactions On Power Systems, Vol. 22, No. 4, November 2007. J. C. Smith, “Winds of change: Issues in utility wind integration,” IEEE Power Energy Mag., vol. 3, no. 6, pp. 20–25, Nov./Dec. 2005. I. Erlich and U. Bachmann, “Grid code requirements concerning connection and operation of wind turbines in Germany,” in Proc. IEEE Power Eng. Soc. General Meeting, Jun. 2005, pp. 2230–2234. F. Van Hulle, Large Scale Integration of Wind Energy in the European Power Supply: Analysis, Issues and Recommendations, EWEA Tech Rep., 2005. Interconnection forWind Energy, Federal Energy Regulatory Commission Tech. Rep., 2005. S. Kraftnät, AffäRsverket Svenska Kraftnäts Föreskrifter Och Allmänna Råd Om Driftsäkerhetsteknik Utformning av Produktionsanläggningar (in Swedish) Tech. Rep. SvKFS 2005:2. Wind Turbines Connected to Grids with Voltages Above 100 kV – Technical Regulation for the Properties and the Regulation of Wind Turbines, Elkraft System and Eltra Regulation, 2004, Draft version TF 3.2.5. Technical Rquirements for the Connection of Generation Facvilities to the Hydro-Québec Transmission System: Supplementary Requirements for Wind Generation, Hydro-Québec Tech. Rep., 2005. Wind Power Facility Technical Requirements, Alberta Electric System Operator Tech. Rep., 2004. Grid Code: High and Extra High Voltage, E.ON Netz GmbH Tech. Rep., 2006, Status:1. T. Ackermann, Ed., Wind Power in Power Systems New York,Wiley, 2005. S. Muller, M. Deicke, and R. W. De Doncker, “Doubly fed induction generator systems for wind turbines,” IEEE Ind. Appl. Mag., vol. 8, no. 3, pp. 26–33, May/Jun. 2002. R. Pena, J. C. Clare, and G. M. Asher, “Double fed induction generator using back-to-back PWM converter and its application to variable speed wind-energy generation,” Proc. Inst. Elect. Eng., Elect. Power Appl., vol. 143, no. 3, pp. 231–241, 1996. E. Eriksson, P. Halvarsson, D. Wensky, and M. Hausler, “System approach on designing an offshore windpower grid connection,” in Proc. 4th Int. Workshop Large-Scale Integration of Wind Power and Transmission Networks for Offshore Wind Farms, Sweden, Oct. 2003. S. M. Bolik, “Grid requirements challenges for wind turbines,” in Proc. 4th Int. Workshop Large-Scale Integration of Wind Power and Transmission Networks for Offshore Wind Farms, Sweden, Oct. 2003. K. H. Sobrink, P. L. Sorensen, P. Christensen, N. Sandersen, K. Eriksson, and P. Holmberg, “DC feeder for connection of a wind farm,” in Proc. Cigre Symp., Malaysia, Sep. 1999. A. K. Skytt, P. Holmberg, and L. E. Juhlin, “HVDClight for connection of wind farms,” in Proc. 2nd Int. Workshop Transmission Networks for Offshore Wind Farms, Sweden, Mar. 2001. X. I. Koutiva, T. D. Vrionis, N. A. Vovos, and G. B. Giannakopoulos, “Optimal integration of an offshore wind farm to a weak grid,” IEEE Trans. Power Del., vol. 21, no. 2, pp. 987–994, Apr. 2006. W. Lu and B. T. Ooi, “Optimal acquisition and aggregation of offshore wind power by multiterminal voltage-source HVDC,” IEEE Trans. Power Del., vol. 18, no. 1, pp. 201–206, Jan. 2003. L. Xu and B. R. Andersen, “Grid connection of large offshore wind farms using HVDC,”Wind Energy, vol. 9, no. 4, pp. 371–382, Jul./Aug. 2006. N. Kirby, L. Xu, M. Lucket, and W. Siepmann, “HVDC transmission for large offshore windfarms,” Inst. Elect. Eng. Power Eng. J., vol. 16, no. 3, pp. 135–141, Jun. 2002. D. Xiang, L. Ran, J. R. Bumby, P. Tavner, and S. Yang, “Coordinated control of an HVDC link and doubly fed induction generators in a large offshore wind farm,” IEEE Trans. Power Del., vol. 21, no. 1, pp. 463–471, Jan. 2006. B. R. Andersen, L. Xu, P. Horton, and P. Cartwright, “Topologies for VSC transmission,” Inst. Elect. Eng. Power Eng. J., vol. 16, no. 3, pp. 142–150, Jun. 2002. Theodoros D. Vrionis, Xanthi I. Koutiva, Nicholas A. Vovos, and Gabriel B. Giannakopoulos, “Control of an HVdc Link Connecting a Wind Farm to the Grid for Fault Ride-Through Enhancement,” IEEE Transactions On Power Systems, Vol. 22, No. 4, November 2007. Chong Han, Alex Q. Huang, Mesut E. Baran, Subhashish Bhattacharya, Wayne Litzenberger, Loren Anderson, Anders L. Johnson, and Abdel-Aty Edris, “STATCOM Impact Study on the Integration of a Large Wind Farm into a Weak Loop Power System,” IEEE Transactions On Energy Conversion, Vol. 23, No. 1, March 2008. T. Ackermann, Wind Power in Power Systems. New York:Wiley, 2005. J.W. Smith and D. L. Brooks, “Voltage impacts of distributed wind generation on rural distribution feeders,” in Proc. IEEE PES Transmiss. Distrib. Conf. Exhib., Oct. 28–Nov. 2, 2001, vol. 1, pp. 492–497. A. Kehrli and M. Ross, “Understanding grid integration issues at wind farms and solutions using voltage source converter FACTS technology,” in Proc. IEEE PES Gen. Meeting, Jul. 13–17, 2003, vol. 3, pp. 1822–1827. Z. Saad-Saoud, M. L. Lisboa, J. B. Ekanayake, N. Jenkins, and G. Strbac, “Application of STATCOMs towind farms,” Inst. Elect. Eng. Proc.Gener. Transmiss. Distrib., vol. 145, no. 5, pp. 511–516, Sep. 1998. F. Zhou, G. Joos, and C. Abbey, “Voltage stability in weak connection wind farms,” in Proc. IEEE PES Gen. Meeting, Jun. 12–16, 2005, vol. 2, pp. 1483–1488. L. T. Ha and T. K. Saha, “Investigation of power loss and voltage stability limits for large wind farm connections to a subtransmission network,” in Proc. IEEE PES Gen. Meeting, Jun. 6–10, 2004, vol. 2, pp. 2251–2256. N. G. Hingorani and L. Gyugyi, Understanding FACTS: Concepts and Technology of Flexible AC Transmission Systems. Piscataway, NJ: IEEE Press, 2000. C.Han, Z.Yang, B. Chen,W. Song, A. Q. Huang, A. Edris, M. Ingram, and S. Atcitty, “System integration and demonstration of a 4.5 MVA STATCOM based on emitter turn-off (ETO) thyristor and cascade multilevel converter,” in Proc. IEEE IECON, Nov. 6–10, 2005, pp. 1329–1334. Kittipong Methaprayoon, Chitra Yingvivatanapong, Wei-Jen Lee, and James R. Liao, “An Integration of ANN Wind Power Estimation Into Unit Commitment Considering the Forecasting Uncertainty,” IEEE Transactions On Industry Applications, Vol. 43, No. 6, November/December 2007. G. Quinonez-Varela and A. Cruden, “Modelling and validation of a squirrel cage induction generator wind turbine during connection to the local grid,” IET Gener. Transm. Distrib., 2008, 2, (2), pp. 301–309. A. Morales, X. Robe, M. Sala, P. Prats, C. Aguerri, E. Torres, “ Advanced grid requirements for the integration of wind farms into the Spanish transmission system, IET Renew. Power Gener., 2008, Vol. 2, No. 1, pp. 47–59. Tai-Her Yeh and Li Wang, “A Study on Generator Capacity for Wind Turbines Under Various Tower Heights and Rated Wind Speeds Using Weibull Distribution,” IEEE Transactions On Energy Conversion, Vol. 23, No. 2, June 2008. James F. Conroy, and Rick Watson, “Frequency Response Capability of Full Converter Wind Turbine Generators in Comparison to Conventional Generation,” IEEE Transactions On Power Systems, Vol. 23, No. 2, May 2008. A. Hansen and L. Hansen, “Wind turbine concept market penetration over 10 years (1995–2004),” Wind Energy, vol. 10, no. 1, pp. 81–97, Jan. 2007. J. Enanayake and N. Jenkins, “Comparison of the response of doubly fed and fixed speed induction generator wind turbines to changes in system frequency,” IEEE Trans. Energy Convers., vol. 19, no. 4, pp. 800–802, Dec. 2004. G. Ramtharan et al., “Frequency support from doubly fed induction generator wind turbines,” IET Renew. Power Gen., vol. 1, no. 1, pp. 3–9, Mar. 2007. L. Holdsworth et al., “Power system frequency response from fixed speed and doubly fed induction generator based wind turbines,” Wind Energy, vol. 7, no. 1, pp. 21–35, Mar. 2004. R. de Almeida et al., “Primary frequency control participation provided by doubly fed induction wind generators,” in Proc. 15th Power Systems Computation Conf., Liege, Belgium, Aug. 2005. G. Lalor et al., “Frequency control and wind turbine technologies,” IEEE Trans. Power Syst., vol. 20, no. 4, pp. 1905–1913, Nov. 2005. J. Morren et al., “Wind turbines emulating inertia and supporting primary frequency control,” IEEE Trans. Power Syst., vol. 21, no. 1, pp. 433–434, Feb. 2006. Javier García-González, Rocío Moraga Ruiz de la Muela, Luz Matres Santos, and Alicia Mateo González, “Stochastic Joint Optimization of Wind Generation and Pumped-Storage Units in an Electricity Market,” IEEE Transactions On Power Systems, Vol. 23, No. 2, May 2008. Rod Frehlich, and Neil Kelley “Measurements of Wind and Turbulence Profiles With Scanning Doppler Lidar for Wind Energy Applications,” IEEE Journal Of Selected Topics In Applied Earth Observations And Remote Sensing, Vol. 1, No. 1, March 2008. Chai Chompoo-inwai, Chow Chompoo-inwai, Monthon Leelajindakrairerk, Sulee Banjongjit, Pradit Fuangfoo, and Wei-Jen Lee, “Design Optimization of Wind Power Planning for a Country With Low–Medium-Wind-Speed Profile” IEEE Transactions On Industry Applications, Vol. 44, No. 5, September/October 2008. J. Conroy R. Watson, “Aggregate modelling of wind farms containing full-converter wind turbine generators with permanent magnet synchronous machines: transient stability studies,” IET Renew. Power Gener., 2009, Vol. 3, No. 1, pp. 39–52. Wei Qiao, Ronald G. Harley, and Ganesh Kumar Venayagamoorthy, “Coordinated Reactive Power Control of a Large Wind Farm and a STATCOM Using Heuristic Dynamic Programming IEEE Transactions On Energy Conversion, Vol. 24, No. 2, June 2009. V. Akhmatov, “Analysis of dynamic behavior of electric power systems with large amount of wind power” Ph.D. dissertation, Tech. Univ. Denmark, Kgs. Lyngby, Denmark, Apr. 2003. J. Hochheimer, “Wind generation integration & operation—Technical challenges/issues,” in Proc. IEEE PES General Meet. 2006, Montreal, Canada. S. W. Steven, “Wind parks as power plants,” in Proc. IEEE PES General Meet. 2006, Montreal, Canada. J. Morren and S. W. H. de Haan, “Ridethrough of wind turbines with doubly-fed induction generator during voltage dip,” IEEE Trans. Energy Convers., vol. 20, no. 2, pp. 435–441, Jun. 2005. W. Qiao, G. K. Venayagamoorthy, and R. G. Harley, “Real-time implementation of a STATCOM on a wind farm equipped with doubly fed induction generators,” in Proc. IEEE IAS 41st Annu. Meet., Tampa, FL, Oct. 8–12, 2006, pp. 1073–1080. A. Mullane, G. Lightbody, and R. Yacamini, “Wind-turbine fault ridethrough enhancement,” IEEE Trans. Power Syst., vol. 20, no. 4, pp. 1929– 1937, Nov. 2005. R. G. de Almeida, J. A. P. Lopes, and J. A. L. Barreiros, “Improving power system dynamic behavior through doubly fed induction machines controlled by static converter using fuzzy control,” IEEE Trans. Power Syst., vol. 19, no. 4, pp. 1942–1950, Nov. 2004. W. Qiao, R. G. Harley, and G. K. Venayagamoorthy, “Effects of FACTS devices on a power system which includes a large wind farm,” in Proc. IEEE PES Power Syst. Conf. Expo. 2006, Atlanta, GA, pp. 2070–2076. P. J. Werbos, “Approximate dynamic programming for real-time control and neural modeling,” in Handbook of Intelligent Control, D. White and D. Sofge, Eds. New York: Van Nostrand Reinhold, 1992, pp. 493–526. D. V. Prokhorov and D. C. Wunsch, “Adaptive critic designs,” IEEE Trans. Neural Netw., vol. 8, no. 5, pp. 997–1007, Sep. 1997. W. Qiao and R. G. Harley, “Indirect adaptive external neuro-control for a series capacitive reactance compensator based on a voltage source PWM converter in damping power oscillations,” IEEE Trans. Ind. Electron., vol. 54, no. 1, pp. 77–85, Feb. 2007. Wei Qiao, Ganesh Kumar Venayagamoorthy, and Ronald G. Harley, “Real-Time Implementation of a STATCOM on a Wind Farm Equipped With Doubly Fed Induction Generators,” IEEE Transactions On Industry Applications, Vol. 45, No. 1, January/February 2009. R. Datta and V. T. Ranganathan, “Variable-speed wind power generation using doubly fed wound rotor induction machine—A comparison with alternative schemes,” IEEE Trans. Energy Convers., vol. 17, no. 3, pp. 414–421, Sep. 2002. M. V. A. Nunes, J. A. Pecas Lopes, H. H. Zurn, U. H. Bezerra, and R. G. Almeida, “Influence of the variable-speed wind generators in transient stability margin of the conventional generators integrated in electrical grids,” IEEE Trans. Energy Convers., vol. 19, no. 4, pp. 692–701, Dec. 2004. J. Morren and S. W. H. de Haan, “Ridethrough of wind turbines with doubly-fed induction generator during a voltage dip,” IEEE Trans. Energy Convers., vol. 20, no. 2, pp. 435–441, Jun. 2005. M. Bruntt, J. Havsager, and H. Knudsen, “Incorporation of wind power in the East Danish power system,” in Proc. IEEE Power Tech., Budapest, Hungary, Aug. 29–Sep. 2, 1999, pp. 202–205. Z. Saad-Saoud, M. L. Lisboa, J. B. Ekanayake, N. Jenkins, and G. Strbac, “Application of STATCOMs to wind farms,” Proc. Inst. Elect. Eng.— Gener. Transm. Distrib., vol. 145, no. 5, pp. 511–516, Sep. 1998. C. Chompoo-Inwai, C. Yingvivatanapong, K. Methaprayoon, and W.-J. Lee, “Reactive compensation techniques to improve the ridethrough capability of wind turbine during disturbance,” IEEE Trans. Ind. Appl., vol. 41, no. 3, pp. 666–672, May/Jun. 2005. Zhixin Miao, Lingling Fan, Dale Osborn, and Subbaraya Yuvarajan “Control of DFIG-Based Wind Generation to Improve Interarea Oscillation Damping,” IEEE Transactions On Energy Conversion, Vol. 24, No. 2, June 2009. Li Wang, Shiang-Shong Chen, Student, Wei-Jen Lee, and Zhe Chen, “Dynamic Stability Enhancement and Power Flow Control of a Hybrid Wind and Marine-Current Farm Using SMES,” IEEE Transactions On Energy Conversion, Vol. 24, No. 3, September 2009. Sercan Teleke, Mesut E. Baran, Alex Q. Huang, Subhashish Bhattacharya, and Loren Anderson, “Control Strategies for Battery Energy Storage for Wind Farm Dispatching,” IEEE Transactions On Energy Conversion, Vol. 24, No. 3, September 2009. C. Han, A. Q. Huang, W. Litzenberger, L. Anderson, A.-A. Edris, M. Baran, S. Bhattacharya, and A. Johnson, “STATCOM impact study on the integration of a large wind farm into a weak loop power system,” in Proc. IEEE Power Syst. Conf. Expo., Oct. 29–Nov. 1, 2006, pp. 1266– 1272. K. Yoshimoto, T. Nanahara, and G. Koshimizu, “New control method for regulating state-of-charge of a battery in hybrid wind power/battery energy storage system,” in Proc. IEEE Power Syst. Conf. Expo., Oct. 29–Nov. 1, 2006, pp. 1244–1251. H. Holttinen and R. Hirvonen, “Power system requirements for wind power,” in Wind Power in Power Systems, T. Ackermann, Ed. New York: Wiley, 2005, pp. 143–167. P. Lundsager and E. I.Barring-Gould, “Isolated systemswith wind power,” in Wind Power in Power Systems, T. Ackermann, Ed. New York:Wiley, 2005, pp. 299–329. T.Hennessy andM.Kuntz, “The multiple benefits of integrating electricity storage with wind energy,” in Proc. IEEE Power Eng. Soc. Gen. Meeting, Jun. 12–16, 2005, pp. 1952–1954. P. F. Ribeiro, B. K. Johnson, M. L. Crow, A. Arsoy, and Y. Liu, “Energy storage systems for advanced power applications,” Proc. IEEE, vol. 89, no. 12, pp. 1744–1756, Dec. 2001. Bonneville Power Administration. (2006, Sep.). Renewable Energy Technology Roadmap, Technology Innovation Office [Online]. Available:http://www.bpa.gov/corporate/business/innovation/docs/2006/RM- 06_Renewables-Final.pdf. C. Han, A. Q. Huang, M. E. Baran, S. Bhattacharya, W. Litzenberger, L. Anderson, A. L. Johnson, and A.-A. Edris, “STATCOM impact study on the integration of a large wind farm into a weak loop power system,” IEEE Trans. Energy Convers., vol. 23, no. 1, pp. 226–233, Mar. 2008. D. M. Logan, J. S. Baylor, D. Cotcher, and D. Krauss, “Communicating the value of dispatchability for non-utility generation projects,” IEEE Trans. Power Syst., vol. 10, no. 3, pp. 1408–1413, Aug. 1995. D. Hawkins and M. Rothleder, “Evolving role of wind forecasting in market operation at the CAISO,” in Proc. IEEE Power Syst. Conf. Expo., Oct. 29–Nov. 1, 2006, pp. 234–238. E. Muljadi, C. P. Butterfield, R. Yinger, and H. Romanowitz, “Energy storage and reactive power compensator in a large wind farm,” presented at the 42nd AIAA Aerosp. Sci. Meeting Exhib., Reno, NV, Jan. 5–8, 2004. Roy Billinton, Yi Gao, and Rajesh Karki, “Composite System Adequacy Assessment Incorporating Large-Scale Wind Energy Conversion Systems Considering Wind Speed Correlation,” IEEE Transactions On Power Systems, Vol. 24, No. 3, August 2009. Shoji Nishikata, and Fujio Tatsuta “A New Interconnecting Method for Wind Turbine/Generators in a Wind Farm and Basic Performances of the Integrated System” IEEE Transactions On Industrial Electronics, Vol. 57, No. 2, February 2010. S. M. Muyeen, Rion Takahashi, Toshiaki Murata, and Junji Tamura, “Integration of an Energy Capacitor System With a Variable-Speed Wind Generator”, IEEE Transactions On Energy Conversion, Vol. 24, No. 3, September 2009. Ravita D. Prasad, R. C. Bansal, and M. Sauturaga “Wind Energy Analysis for Vadravadra Site in Fiji Islands: A Case Study” IEEE Transactions On Energy Conversion, Vol. 24, No. 3, September 2009. Ahmad Salehi Dobakhshari, and Mahmud Fotuhi-Firuzabad, “A Reliability Model of Large Wind Farms for Power System Adequacy Studies” IEEE Transactions On Energy Conversion, Vol. 24, No. 3, September 2009. S. M. Muyeen, Rion Takahashi, Toshiaki Murata, and Junji Tamura, “A Variable Speed Wind Turbine Control Strategy to Meet Wind Farm Grid Code Requirements” IEEE Transactions On Power Systems, Vol. 25, No. 1, February 2010. L. Gyugyi, “Unified power-flow control concept for flexible ac transmission systems,” Proc. Inst. Elect. Eng. C, vol. 139, no. 4, pp. 323–331, 1992. L. Gyugyi, “Dynamic compensation of AC transmission lines by solidstate synchronous voltage sources,” IEEE Trans. Power Del., vol. 9, no. 2, pp. 904–911, Apr. 1994. H. F. Wang, F. Li, and R. G. Cameron, “Facts control design based on power system nonparametric models,” Proc. Inst. Elect. Eng., Gen., Transm., Distrib., vol. 146, no. 5, pp. 409–415, 1999. L. Zhang, C. Shen, M. L. Crow, L. Dong, S. Pekarek, and S. Atcitty, “Performance indices for the dynamic performance of FACTS and FACTS with energy storage,” Elect. Power Compon. Syst., vol. 33, no. 3, pp. 299–314, Mar. 2005. Z. Saad-Saoud, M. L. Lisboa, J. B. Ekanayake, N. Jenkins, and G. Strbac, “Application of STATCOMs to wind farms,” Proc. Inst. Elect. Eng., Gen., Transm., Distrib., vol. 145, no. 5, pp. 511–516, 1998. S. M. Muyeen, M. A. Mannan, M. H. Ali, R. Takahashi, T. Murata, and J. Tamura, “Stabilization of wind turbine generator system by STATCOM,” IEEJ Trans. PE, vol. 126-B, no. 10, pp. 1073–1082, 2006. T. Ahmed, E. Hiraki, M. Nakaoka, and O. Noro, “Static VAr compensator- based terminal voltage regulation scheme of self-excited induction generator driven by variable speed prime mover for clean renewable energy,” in Proc. 4th Int. Power Electronics and Motion Control Conf. (IPEMC), 2004, vol. 3, no. 14–16, pp. 1219–1224. F. Zhou, G. Joos, C. Abbey, L. Jiao, and B. T. Ooi, “Use of large capacity SMES to improve the power quality and stability of wind farms,” in Proc. IEEE Power Engineering Society General Meeting, Jun. 2004, vol. 2, pp. 2025–2030. M. H. Ali, T. Murata, and J. Tamura, “Minimization of fluctuations of line power and terminal voltage of wind generator by fuzzy logiccontrolled SMES,” Int. Rev. Elect. Eng. (I.R.E.E.), vol. 1, no. 4, pp. 559–566, Oct. 2006. T. Kinjo, T. Senjyu, N. Urasaki, and H. Fujita, “Output levelling of renewable energy by electric double-layer capacitor applied for energy storage system,” IEEE Trans. Energy Convers., vol. 21, no. 1, pp. 221–227, 2006. S. M. Muyeen, R. Takahashi, M. H. Ali, T. Murata, and J. Tamura, “Transient stability augmentation of power system including wind farms by using ECS,” IEEE Trans. Power Syst., vol. 23, no. 3, pp. 1179–1187, Aug. 2008. Hadi Banakar, and Boon Teck Ooi, Clustering of Wind Farms and its Sizing Impact IEEE Transactions On Energy Conversion, Vol. 24, No. 4, December 2009. Luis Sainz, Juan Jose Mesas, Remus Teodorescu, and Pedro Rodriguez, “Deterministic and Stochastic Study of Wind Farm Harmonic Currents” IEEE Transactions On Energy Conversion, Vol. 25, No. 4, December 2010. Mikhail N. Slepchenkov, Keyue Ma Smedley, and Jun Wen, “Hexagram-Converter-Based STATCOM for Voltage Support in Fixed-Speed Wind Turbine Generation Systems” IEEE Transactions On Industrial Electronics, Vol. 58, No. 4, April 2011. Y. Cheng, C. Qian, M. L. Crow, S. Pekarek, and S. Atcitty, “A comparison of diode-clamped and cascaded multilevel converters for a STATCOM with energy storage,” IEEE Trans. Ind. Electron., vol. 53, no. 5, pp. 1512– 1521, Oct. 2006. D. Hawkins, J. Blatchford, and Y. Makarov, “Wind integration issues and solutions in California,” in Proc. IEEE PES GM, Tampa, FL, Jun. 2007, 9 pp.23-34. T. Sun, Z. Chen, and F. Blaabjerg, “Voltage recovery of grid-connected wind turbines after a short-circuit fault,” in Proc. 29th IEEE IECON, Roanoke, VA, 2003, pp. 2723–2728. W. Qiao, G. K. Venayagamoorthy, and R. G. Harley, “Real-time implementation of a STATCOM on a wind farm equipped with doubly fed induction generators,” IEEE Trans. Ind. Appl., vol. 45, no. 1, pp. 98–107, Jan. 2009. Yi Ding, Peng Wang, Member, IEEE, Lalit Goel, Poh Chiang Loh, and Qiuwei Wu “Long-Term Reserve Expansion of Power Systems With High Wind Power Penetration Using Universal Generating Function Methods,” IEEE Transactions On Power Systems, Vol. 26, No. 2, May 2011. Ted K. A. Brekken, Alex Yokochi, Annette von Jouanne, Zuan Z. Yen, Hannes Max Hapke, and Douglas A. Halamay, “Optimal Energy Storage Sizing and Control for Wind Power Applications,” IEEE Transactions On Sustainable Energy, Vol. 2, No. 1, January 2011. Li Wang, and Chia-Tien Hsiung “Dynamic Stability Improvement of an Integrated Grid-Connected Offshore Wind Farm and Marine-Current Farm Using a STATCOM,” IEEE Transactions On Power Systems, Vol. 26, No. 2, May 2011. S. E. B. Elghali, R. Balme, K. L. Saux, M. E. H. Benbouzid, J. F. Charpentier, and F. Hauville, “A simulation model for the eva