The Research Of Harmonic Suppression Active Filter Based On One-cycle Control

Power harmonic pollution is a large threat for power system running steadily, safely and economically, and one of the important factors that affect the safety of transmitting and transforming power. Thus, research on power harmonic suppression becomes the focus around the world.A new topological structure of hybrid active power filter is proposed based on the harmonic suppression of electric power system. With the analysis of this filter's characteristic ,known that this new topological structure of hybrid active power filter can induce the active filer's capability ,and can get the better filtering effectiveness, witch adapt high voltage system.This paper formulates the principle of one-cycle control,,profound study one-cycle control technology of resonance impedance shape h active filter, and fond the relation of math one-cycle control about this filter. Set up the mode of one-cycle control and decoupling one-cycle control. According the form of equation constructs the hardware cycle. Last emulate the two cycle, test and verify the feasible and correct of theory analysis.