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Analysis and Design of Single Phase AC-DC Modified SEPIC Converter
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Power electronic devices with front-end rectifier are widely used in industry, commerce and transportation, which result in low power factor. Though there are several proposed solutions to this, Single Ended Primary Inductance Converter (SEPIC) converter was the most successful one. But the conventional SEPIC converters suffer from high switching losses. Hence in this paper, a modified SEPIC converter is used to improve the power factor at the mains side. This paper presents the simulation and analysis of single phase single-switch, converter topologies of AC-DC SEPIC converter and modified SEPIC converter for Continuous Conduction Mode (CCM) of operation with 48V, 100W output power. The results of SEPIC converter and modified SEPIC converter are compared for closed loop analysis in simulation which is done in PSIM. It is found that modified SEPIC converter has high regulated output voltage and high power factor.
Trans Tech Publications, Ltd.
Title: Analysis and Design of Single Phase AC-DC Modified SEPIC Converter
Description:
Power electronic devices with front-end rectifier are widely used in industry, commerce and transportation, which result in low power factor.
Though there are several proposed solutions to this, Single Ended Primary Inductance Converter (SEPIC) converter was the most successful one.
But the conventional SEPIC converters suffer from high switching losses.
Hence in this paper, a modified SEPIC converter is used to improve the power factor at the mains side.
This paper presents the simulation and analysis of single phase single-switch, converter topologies of AC-DC SEPIC converter and modified SEPIC converter for Continuous Conduction Mode (CCM) of operation with 48V, 100W output power.
The results of SEPIC converter and modified SEPIC converter are compared for closed loop analysis in simulation which is done in PSIM.
It is found that modified SEPIC converter has high regulated output voltage and high power factor.
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