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Development of A Novel Control Scheme For Integration Of Wind Energy Generation System Into Existing Power System To Mitigate The Power Quality Issues

K Prasada Rao , J B V Subrahmanyam , P Balakishan

In this paper a new control strategy for integration of Wind energy into existing power system to improve power quality by using STATCOM is proposed. To have sustainable. growth and social progress, it is necessary to meet the energy need by utilizing the renewable resources like wind, biomass, hydrogenation, solar etc .In sustainable energy system, energy conservation and the use of renewable source are the key paradigm. The need to integrate the renewable energy like wind energy into power system is to make it possible to minimize the environmental impact on conventional plant. The Integration of the wind power into an electric grid affects the power quality issues. The influence of the wind turbine in the grid system concerning the power quality measurements are the active power, reactive power, variation of voltage, flicker, harmonics, and electrical behaviour of switching operation and these are measured according to international guidelines. The proposed work demonstrates the power quality problem due to integration of wind turbine with the grid. In this proposed scheme STATIC COMPENSATOR is connected at a point of common coupling with a battery energy storage system to mitigate the power quality issues. The battery energy storage is integrated to sustain the real power source under fluctuating wind power. The STATCOM control scheme for the grid connected wind energy generation system for power quality improvement is simulated using MATLAB/SIMULINK.The effectiveness of the proposed scheme relives the main supply source from the reactive power demand of the load and the induction generator. The development of the grid co-ordination rule and the scheme for improvement in power quality norms on the grid has been presented.. The development of the grid co-ordination rule and the scheme for improvement in power quality norms on the grid has been presented.