A critical comparison of boost-topologies for single-phase switched mode rectifiers

A detailed comparison of boost-derived topologies operated at 90-265 V/400 V-1.3 kW is presented. They are utilized for single phase power factor corrected rectifiers serving as front-ends of DC/DC-converters in telecommunication equipment. The comparison is based on component stress quantities occurring at worst case operating conditions, which are derived by analytical and simulative analysis. Theoretical results were proved experimentally on selected circuits.