Single-Stage AC/DC Boost-Forward Converter With High Power Factor and Regulated Bus and Output Voltages

D.D-C. Lu; Herbert Iu; V. Pjevalica

doi:10.1109/TIE.2009.2014304

Single-Stage AC/DC Boost-Forward Converter With High Power Factor and Regulated Bus and Output Voltages

D.D-C. Lu, Herbert Iu, V. Pjevalica

Research output: Contribution to journal › Article › peer-review

74 Citations (Scopus)

Abstract

Unlike existing single-stage ac/dc converters withuncontrolled intermediate bus voltage, a new single-stage ac/dcconverter achieving power factor correction (PFC), intermediatebus voltage output regulation, and output voltage regulation isproposed. The single-power-stage circuit is formed by integratinga boost PFC converter with a two-switch-clamped forward converter.The current stress of the main power switches is reduceddue to separated conduction period of the two source currentsflowing through the power switch. A dual-loop peak-current-modecontroller is proposed to achieve PFC and ensure independentbus voltage and output voltage regulations. Experimental resultson a 24-V/100-W hardware prototype are given to confirm thetheoretical analysis and performance of the proposed converter.The converter has conversion efficiency ranging from 86% to 92%at full-load condition.

Original language	English
Pages (from-to)	2128-2132
Journal	IEEE Transactions on Industrial Electronics
Volume	56
Issue number	6
DOIs	https://doi.org/10.1109/TIE.2009.2014304
Publication status	Published - 2009

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title = "Single-Stage AC/DC Boost-Forward Converter With High Power Factor and Regulated Bus and Output Voltages",

abstract = "Unlike existing single-stage ac/dc converters withuncontrolled intermediate bus voltage, a new single-stage ac/dcconverter achieving power factor correction (PFC), intermediatebus voltage output regulation, and output voltage regulation isproposed. The single-power-stage circuit is formed by integratinga boost PFC converter with a two-switch-clamped forward converter.The current stress of the main power switches is reduceddue to separated conduction period of the two source currentsflowing through the power switch. A dual-loop peak-current-modecontroller is proposed to achieve PFC and ensure independentbus voltage and output voltage regulations. Experimental resultson a 24-V/100-W hardware prototype are given to confirm thetheoretical analysis and performance of the proposed converter.The converter has conversion efficiency ranging from 86% to 92%at full-load condition.",

author = "D.D-C. Lu and Herbert Iu and V. Pjevalica",

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T1 - Single-Stage AC/DC Boost-Forward Converter With High Power Factor and Regulated Bus and Output Voltages

AU - Lu, D.D-C.

AU - Iu, Herbert

AU - Pjevalica, V.

PY - 2009

Y1 - 2009

N2 - Unlike existing single-stage ac/dc converters withuncontrolled intermediate bus voltage, a new single-stage ac/dcconverter achieving power factor correction (PFC), intermediatebus voltage output regulation, and output voltage regulation isproposed. The single-power-stage circuit is formed by integratinga boost PFC converter with a two-switch-clamped forward converter.The current stress of the main power switches is reduceddue to separated conduction period of the two source currentsflowing through the power switch. A dual-loop peak-current-modecontroller is proposed to achieve PFC and ensure independentbus voltage and output voltage regulations. Experimental resultson a 24-V/100-W hardware prototype are given to confirm thetheoretical analysis and performance of the proposed converter.The converter has conversion efficiency ranging from 86% to 92%at full-load condition.

AB - Unlike existing single-stage ac/dc converters withuncontrolled intermediate bus voltage, a new single-stage ac/dcconverter achieving power factor correction (PFC), intermediatebus voltage output regulation, and output voltage regulation isproposed. The single-power-stage circuit is formed by integratinga boost PFC converter with a two-switch-clamped forward converter.The current stress of the main power switches is reduceddue to separated conduction period of the two source currentsflowing through the power switch. A dual-loop peak-current-modecontroller is proposed to achieve PFC and ensure independentbus voltage and output voltage regulations. Experimental resultson a 24-V/100-W hardware prototype are given to confirm thetheoretical analysis and performance of the proposed converter.The converter has conversion efficiency ranging from 86% to 92%at full-load condition.

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DO - 10.1109/TIE.2009.2014304

M3 - Article

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SP - 2128

EP - 2132

JO - IEEE Transactions on Industrial Electronics

JF - IEEE Transactions on Industrial Electronics

SN - 0278-0046

IS - 6

ER -

Single-Stage AC/DC Boost-Forward Converter With High Power Factor and Regulated Bus and Output Voltages

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