Power Quality Improvement with D-Statcom Under Non Linear Load

The effectiveness of DSTATCOM in a distribution network with Field Oriented Control (FOC) induction motor drive as non-linear load and wind turbine coupled with asynchronous generator is examined. The above-mentioned FOC induction motor drive being non-linear in nature introduces harmonics into the distribution network. Simulation of DSTATCOM based upon dqo transformation technique using PI controller has been performed in MATLAB/SIMULINK. The performance of DSTATCOM for both non-linear load and active load is analyzed. DSTATCOM being connected in shunt with the distribution network injects compensating current into the network so as to provide compensation for the harmonics present in the source current.