Journal of Electrical Engineering : Volume 17 / 2017 - Edition : 4

REDUCTION OF HARMONICS IN GRID CONNECTED DFIG WIND ENERGY CONVERSION SYSTEM USING INDIRECT CURRENT CONTROL TECHNIQUE

Authors:
kanderi mahesh
M.S.sujatha
Domain:
power electronics in power grids (from mobile phones to smart power grids)
Abstract:
As the wind penetration into the grid increasing at a rapid rate, the use of adjustable speed wind energy conversion systems with ancillary services such as power smoothening and harmonic mitigation is essential in addition to its power generation. This paper proposes an indirect current control technique for the grid-side converter (GSC) of DFIG-based wind energy conversion system with fuzzy controller. The proposed DFIG works as an active filter along with the active power generation similar to ordinary DFIG. This wind energy conversion system also works as a static compensator (STATCOM) for providing harmonics even when the wind turbine is in stalling condition. The proposed wind energy conversion system is simulated using MATLAB/Simulink and the steady state performance of the system is validated.
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