... ENGNG3070 Power Electronics Devices, Circuits and Applications TOPOLOGIES OF POWER ELECTRONIC CONVERTERS 3.1 Introduction Power electronic converters (PECs) are static devices, ... to the subdivision of power electronic converters into four categories: AC to DC converters (rectifiers), DC to AC converters (inverters), DC to DC converters and AC to AC converters This classification, ... fi, Vi mo, fo, Vo PEC Fig 3.1: Conversion of electric energy by means of a power electronic converter Electric circuits that constitute power electronic converters vary to the great extent and...