2005 · 120 citations · 0 references
EngineeringElectrical EngineeringCircuit TheoryHearing ConservationPower ElectronicsConverter TopologiesNoiseNoise In Electronic DevicesNoise In Semiconductor DevicesPower QualitySwitch-mode Power SuppliesCommon-mode InterferenceNoise AnalysisNoise Analysis In Integrated CircuitsNoise In High-frequency Semiconductor DevicesNoise In Power Semiconductor DevicesNoise PropagationPower Supply NoiseSwitch-mode Power Supply Design
To achieve high efficiency PFC front stage in switching mode power supply (SMPS), dual boost PFC (DBPFC) topology shows superior characteristics compared with traditional boost PFC, but it by nature brings higher EMI noise, especially common mode (CM) noise. This paper deals with the modeling and analysis of DBPFC CM noise based on and compared with boost PFC, noise propagation equivalent circuits of both topologies are deduced, and theoretical analysis illustrates the difference. Experiments are performed to validate the EMI model and analysis.