Abstract
Largely, every APF system comprises of 3 parts: the passive components, the power converter, and the control structure. A noteworthy amount of research has been dedicated to this project in the proposal of H-bridge two-leg power inverter to diminish the system charge and volumetric dimensions. Based on these specifics, this chapter offering an innovative four-switch two- leg VSI topology for 3- Φ APF system. The furthermost significant representative of the novel topology is to diminish the number of switches with augment harmonic extenuation capability and delivers full reactive power compensation as equated to the conventional APF topologies. Feature step by step design process, control structure and mathematical modeling of both the filters (APF and PFs model) confirm its feasibility, predominantly for the grid-connected applications