Abstract—Wind power capacity has experienced tremendous growth in the past decade. There are many loads (such as remote villages, islands, ships etc) that are away from the main grid. They require stand-alone generator system (which can provide constant nominal voltage and frequency) to provide for their local electrification. This requirement has lead to widespread research on development of new technologies for stand-alone generators. Initially an overview of different existing generator technologies for grid connected operation is given. This paper presents the recent developments in wind energy conversion systems, their classifications, choice of generators and their social and environmental benefits , a review of the interconnection issues of distributed resources including wind power with electric power systems, hybrid power system and reports the developments of interconnection standards in Canada and IEEE.

Index Terms—wind energy conversion system, interconnection, power quality, renewable energy, wind turbine, Hybrid Power Systems.

Rajveer Mittal is with the Department of Electrical and Electronics Engineering, Maharaja Agrasen Institute of Technology, Rohini,Delhi, India (e-mail : rajveermittal@yahoo.com, e-mail: rajveermittal@hotmail.com )
K. S Sandhu is with the Department of Electrical Engineering, N. I. T, Kurukshetra, Haryana, India. (e-mail l: kjssandhu@yahoo.com.)
D. K. Jain is with the Guru Prem Sukh Memorial College of engineering under GGSIP University, Delhi, India. (e-mail: jaindk66@gmail.com)

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Cite: Rajveer Mittal, K. S. Sandhu and D. K. Jain, "An Overview of Some Important Issues Related to Wind Energy Conversion System (WECS)," International Journal of Environmental Science and Development vol. 1, no. 4, pp. 351-363, 2010.