Journal
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 69, Issue 10, Pages 9984-9991Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2022.3159954
Keywords
Rectifiers; Switches; Inductors; Voltage; Semiconductor diodes; Capacitors; Stress; Efficiency; high step-down; power factor correction (PFC) rectifier; switched-inductor network (SIN)
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This article introduces two high step-down bridgeless power factor correction rectifiers based on the switched inductor network (SIN). The proposed rectifiers utilize the SIN to achieve high step-down voltage gain and offer higher efficiency and lower current stress.
In this article, two high step-down bridgeless power factor correction rectifiers based on the switched inductor network (SIN) are introduced. The proposed rectifiers employ the SIN to provide high step-down voltage gain with a higher duty cycle than the competitors. They also offer higher efficiency, lower current stress, and total peak switching device powers. A thorough and straightforward design algorithm in the discontinuous conduction mode is provided that ensures a unity power factor and a low total harmonic distortion with a simple control scheme. As a demonstration of the superior performance of the proposed rectifiers, a 300-W high-gain sepic rectifier setup with 48V(dc) output voltage from a 230V(rms)/50Hz source is built in the laboratory.
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