R. Strzelecki and G. Benysek, “Power Electronics in Smart Electrical Energy Networks,” Springer, London, 2008. doi:org/10.1007/978-1-84800-318-7
 A. Keyhani, M. N. Marwali and M. Dai, “Integration of Green and Renewable Energy in Electric Power Systems,” John Wiley and Sons Inc., Hoboken, 2010.
 C. W. Gellings, “The Smart Grid. Enabling Energy Efficiency and Demand Response,” The Fairmont Press Inc., Lilburn, 2009.
 Y.-B. Wang, C.-S. Wu, H. Liao and H.-H. Xu, “Steady-State Model and Power Flow Analysis of Grid-Connected Photovoltaic Power System,” ICIT 2008. IEEE International Conference on Industrial Technology, Chengdu, 21-24 April 2008.
 J. D. Mondol, Y. G. Yohanis and B. Norton, “Comparison of Measured and Predicted Long Term Performance of Grid a Connected Photovoltaic System,” Energy Conversion and Management, Vol. 48, 2007, pp. 1065-1080.
 M. Cucumo, A. D. Rosa, V. Ferraro, D. Kaliakatsos and V. Marinelli, “Performance Analysis of a 3 kW Grid-Connected Photovoltaic Plant,” Renewable Energy, Vol. 31, 2006, pp. 1129-1138.
 R. González, J. López, P. Sanchis and L. Marroyo, “Transformerless Inverter for Single-Phase Photovoltaic Systems,” IEEE Transaction on power electronics, Vol. 22, 2007, pp. 693-697.
 T. F. Wu, C. L. Shen, H. S. Nein and G. F. Li, “A 1? 3 W Inverter with Grid Connection and Active Power Filtering Based on Nonlinear Programming and Fast-Zero-Phase Detection Algorithm,” IEEE Transactions on Power Electronics, Vol. 20, 2005, pp. 218-226.
 M. Nagao and K. Harada, “Power Flow of Photovoltaic System Using Buck-Boost PWM Power Inverter,” Proceeding of 1997 International Conference on Power Electronics and Drive Systems, Tehran, 3-5 November 1997.
 S. Saha and V. P. Sundarsingh, “Novel Grid-Connected Photo Voltaic Inverter,” IEE proceeding on Generation, Transmission and Distribution, Vol. 143, 1996, pp. 219-224. doi.org/10.1049/ip-gtd:19960054
 C. Rodriguez and G. A. J. Amaratunga, “Dynamic Stability of Grid Connected Photovoltaic Systems,” 2004 IEEE Power Engineering Society General Meeting, pp. 2193-2199, Denver, 6-10 June 2004.
 B. Yang, W. L. Y. Zhao and X. He, “Design and Analysis of a Grid-Connected Photovoltaic Power System,” IEEE Trans on Power Electronics, Vol. 25, No. 4, April 2010, pp. 992-1000.
 B. Kroposki, “Power System Studies and Modeling PV Inverters,” Utility/Lab Workshop on PV Technology and Systems, Tempe, November 8-9, 2010.
 W. de Soto, S. A. Klein and W. A. Beckman, “Improvement and Validation of a Model for Photovoltaic Array Performance,” Solar Energy, Vol. 80, 2006, pp. 78-88.
 A. Petersson, “Analysis, Modeling and Control of Doubly-Fed Induction Generators for Wind Turbines,” Ph.D. Dissertation, Division of Electric Power Engineering, Department of Energy and Environment, Chalmers University of Technology, Goteborg, 2005.
 T. Burton, D. Sharpe, N. Jenkins and E. Bossanyi, “Wind Energy Handbook,” John Wiley & Sons Inc., Hoboken, 2001. doi:org/10.1002/0470846062
 C. Ksenia, S. Riffat and J. Zhu, “An Overview of Renewable Energy Policies and Regulations in People’s Republic of China,” Proceedings of ICRM 2010, 5th International Conference on Responsive Green Manufacturing, University of Nottingham, Ningbo, 11-13 January 2010.
 H. S. Kim and D. D. Lu, “Wind Energy Conversion System from Electrical Perspective—A Survey,” Smart Grid and Renewable Energy, Vol. 1, 2010, pp. 119-131.
 GE Wind Energy. (2005, Jan.) 3.6 s offshore wind turbine. Brochure.
http://www.gepower.com/prod serv/products/wind turbines/en/ downloads/ge 36 brochure.pdf
 L. Xu and C. Wei, “Torque and Reactive Power Control of a Doubly Fed Induction Machine by Position Sensorless Scheme,” IEEE Transactions on Industry Applications, Vol. 31, No. 3, 1995, pp. 636-642.
 L. Morel, H. Godfroid, A. Mirzaian and J. Kauffmann, “Double-Fed Induction Machine: Converter Optimisation and Field Oriented Control without Position Sensor,” IEE Proceedings Electric Power Applications, Vol. 145, No. 4, July 1998, pp. 360-368. doi:org/10.1049/ip-epa:19981982
 Z. Wei, W. Zhinong and S. Guoqiang, “Power Flow Calculation for Power System Including Offshore Wind Farm,” International Conference on Sustainable Power Generation and Supply, 2009, Nanjing, 6-7 April 2009.
 J. Kilter, M. Landsberg, I. Palu and O. T?ernobrovkin, “Verification of Wind Parks and their Integration into Small-Interconnected Power System,” IEEE Bucharest Power Tech Conference, Bucharest, 28 June-2 July 2009.
 X. Han, M. Mu and W. Qin, “Reliability Assessment of Power System Containing Wind Farm Based on Steady-State Power Flow,” 11th International Conference on Probabilistic Methods Applied to Power Systems (PMAPS 2010), Singapore, 14-17 June 2010.
 A. E. Feijoo and J. Cidras, “Modeling of Wind Farms in the Load Flow Analysis,” IEEE Transactions on Power Systems, Vol. 15, No. 1, 2000, pp. 110-115.
 A. E. Feijoo, J. Cidras and J. L. G. Dornelas, “Wind Speed Simulation in Wind Farms For Steady-State Security Assessment of Electrical Power Systems,” IEEE Transactions on Energy Conversion, Vol. 14, No. 4, December 1999, pp. 1582-1588.
 M. R. Haghifam and M. Omidvar, “Wind Farm Modeling in Reliability Assessment of Power System,” International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2006, 11-15 June 2006, pp. 1-5.
 K. R. Padiyar, “Power System Dynamics. Stability and Control,” John Wiley and Sons (Asia), 1996.
 A. M. El-Zonkoly, “Optimal Placement of Multi DG Units Including Different Load Models Using PSO,” Smart Grid and Renewable Energy, Vol. 1, 2010, pp. 160 -171. doi:org/10.4236/sgre.2008.13021
 P. Kessel and H. Glavitsch, “Estimating the Voltage Stability of a Power System,” IEEE Transactions on Power Delivery, Vol. 1, No. 3, 1986, pp. 346-354.
 N. Srinivas and K. Deb, “Multiobjective Function Optimization Using Non-dominated Sorting Genetic Algorithms,” Evolutionary Computation, Vol. 2, No. 3, 1994, pp. 221-248. doi:org/10.1162/evco.19188.8.131.52
 K. Deb, A. Pratap, S. Agarwal and T. Meyarivan, “A Fast and Elitist Multi-objective Genetic Algorithm: NSGA-II,” IEEE Transactions on Evolutionary Computation, Vol. 6, No. 2, 2002, pp. 182-197. doi:org/10.1109/4235.996017