Abstract

In the grid new renewable resources are added to extract more power. This increases power quality issues to grid connection. Power quality problem occur mainly due to Unbalance voltage, current or frequency that results in a failure or a Mis-operation of end user equipment. Injection of the wind power into an electric grid affects the power quality. The impact of the wind turbine in the grid system concerning the power quality measurements are the active power, reactive power, variation of voltage, and switching operation and these are measured according to national/international guidelines. This paper investigates the implementation and comparison of DFIG based wind farm connected to a grid and load and IG based wind farm connected to a grid and load. The steady state behaviour of an interconnected IG based wind farm with STATCOM and DFIG based wind farm with STATCOM is studied and compared for performance evaluation of the two Generators. The power system model is simulated in MATLAB / SIMULINK. Superiority of DFIG over IG have been analysed in this paper.

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