DESIGN OF ANFIS CONTROLLER BASED SHUNT ACTIVE FILTER FOR MITIGATION OF HARMONICS IN A THREE PHASE TRANSMISSION LINE

In the three phase transmission line, the use of power electronics converters are very common.The use of power electronic converter with non-linear loadproduces harmonics and causes distortion of the voltage waveform in the system. In this paper the adaptiveneuro fuzzy inference system (ANFIS) controlled shunt active power filter is presented. The proposed controller has the capability of reducing the total harmonic distortion. The sinusoidal pulse width modulation (SPWM) technique is used to get required signals for inverter. The advantage of the fuzzy controller is that, it does not require any mathematical model for system; it can adapt its gain according to the load changes. The simulation result of total harmonic distortion (THD) is demonstrated through MATLAB/SIMULINK