Comparative Analysis Of Various Topologies For Harmonics Mitigation Techniques For Power Quality Improvement

Abstract

The increasing use of nonlinear loads in the commercial, residential, and industrial sectors has distorted the power network. The introduction of non-linear loads has a negative impact on system performance and power quality, particularly THD. A FACTS-based device called SAPF is connected between the source and the load employing the STATCOM scheme and hysteresis controlling scheme. The SAF operates as a current source that delivers opposite but equal harmonic components to the PCC. To measure load currents and extract their harmonic components in order to provide a reference current in shunt active power filters (SAPF) and significantly influence the SAPF performance, a variety of techniques have been used. Different control techniques, including Artificial Neural Networks (ANNs), pq-theory, and dq-transformation, are implemented using SAPF using the MATLAB-Simulink toolbox.