Lam, John Chi WoBakalian, Matthew Corey2023-03-282023-03-282022-12-012023-03-28http://hdl.handle.net/10315/41006Fine particulate matter like carbon soot harms the respiratory system. One approach to reducing soot pollution is microwave-assisted soot oxidation. The magnetron, which generates microwave energy requires a high-voltage gain converter. In this thesis, a DC/DC converter is proposed to supply the two voltages required by a magnetron by utilizing dual resonant circuit modules. By combining the switches of the step-up resonant stage with a bridgeless power factor correction (PFC) stage, an AC/DC topology is proposed. The proposed AC/DC topology allows for a high power factor (PF) and reduced input conduction losses. The converter utilizes a parallel CL resonant circuit with voltage doubler output to achieve a high-voltage gain, and an LLC resonant circuit to provide the step-down. The circuit is then verified through PSIM with a peak of 1.8kW. A proof-of-concept hardware test with AC input testing step-up 822V and step-down 1.3V outputs simultaneously with a 0.96PF is performed.Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.Electrical engineeringElectronic Thesis or Dissertation2023-03-28Microwave magnetronPower supplyResonant convertersLLCAC/DC ConverterDC/DCPFCSoft-switching