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In a modern power system with the increasing use of power electronics components, nonlinear loads connected to the grid cause power quality problems. To overcome the power quality problems, the parallel active power filter PAPF is used in power systems. In this study, the synchronous reference frame based a new control algorithm is proposed for the three-phase PAPF system. In the proposed control algorithm, synchronous reference frame SRF method and moving average filter MAF filter and space vector pulse width modulation SV-PWM technique are used to obtain low total harmonic distortion and high power factor. SRF method and MAF filter are used to calculate the reference current signal. SV-PWM technique is used to obtain the switching signals of active switches used in power filters. In the proposed algorithm, the number of measurements is reduced and performance is increased by using source ab currents and ab voltages without filter abc currents and abc voltages and load abc currents. Simulation studies of the proposed control algorithm have been tested using PSIM software. According to the simulation results, it is seen that the proposed control algorithm is more successful in eliminating the harmonics in the source current and compensating the reactive power than the other control method used in the literature. Keywords: Parallel active power filter, Space vector PWM, MAF filter, Power factor, Total harmonic distortion. DOI: 10.7176/JSTR/5-10-07

Low Total Harmonic Distortion and High Power Factor in Parallel Active Power Filter