Three-phase active power filter with integrator-proportional control

Abstract EN

This paper presents the simulation study of novel IP (Integrator Proportional) controlled DC bus voltage of three phase shunt active power filter (APF), to improve power quality by compensating harmonics and reactive power required by nonlinear load.

The compensation process is based on sensing mains currents only, an approach different from conventional methods, which require harmonics or reactive volt-ampere values of the load.

PWM signal generation is based on hysteresis control comparators to obtain the switching signals.

The control system of APF is implemented using a Dspace system.

Various simulation and experimental results are presented under steady state and transient conditions.