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.
IndexTerms-wind energy conversion system, interconnection, power quality, renewable energy, wind turbine, Hybrid Power Systems.
In this paper the grid interconnection issues of AC-DC-AC inverter interfaced wind energy conversion system have been dealt. The power flow in context of load has now reversed in such local generating stations; the voltage rise at the point of common coupling (PCC) in the case of large scale wind farm is well known. The wind energy conversion system has to be taken out if the voltage exceeds beyond limit. Thus the capacity factor of the wind farm may be poor. In this case, the grid inverter can support the voltage at PCC by injecting reactive power along with the active power. The simulation results are given here for improving the voltage at PCC.
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