| Abstract |
A novel active power filter is designed and analyzed in this paper. A low cost
power circuit configuration of the active power filter and a simple synthetic sinusoidal generation technique are proposed. Reactive power compensation can be achieved without
sensing and computing the reactive current component of the load. It also avoids using the mains voltage signal in the calculation of the reference compensation current. Therefore, the mains current after compensation still has a purely sinusoidal waveform
even when the mains voltage is distorted. Furthermore, a critical value of the capacitor voltage magnitude on the DC side and a critical value of the reactor inductance on the AC side for successful harmonic current tracking are also derived for design applications.
Finally, the performance of the active power filter is demonstrated with some simulation results. |
