A Modified SEPIC Converter for High-Power-Factor Rectifier and Universal Input Voltage Applications

A high-power-factor rectifier suitable for universal line base on a modified version of the single-ended primary inductance converter (SEPIC) is presented in this paper. The voltage multiplier technique is applied to the classical SEPIC circuit, obtaining new operation characteristics as low-switch-voltage operation and high static gain at low line voltage. The new configuration also allows the reduction of the losses associated to the diode reverse recovery current, and soft commutation is obtained with a simple regenerative snubber circuit. The operation analysis, design procedure, and experimental results obtained from a 650-W universal line power-factor-correction prototype of the proposed converter are presented. The theoretical analysis and experimental results obtained with the proposed structure are compared with the classical boost topology.

[1]  Milan M. Jovanovic,et al.  State-of-the-art, single-phase, active power-factor-correction techniques for high-power applications - an overview , 2005, IEEE Transactions on Industrial Electronics.

[2]  Milan M. Jovanovic,et al.  Single-stage, single-switch, isolated power supply technique with input-current shaping and fast output-voltage regulation for universal input-voltage-range applications , 1997, Proceedings of APEC 97 - Applied Power Electronics Conference.

[3]  K. Smedley,et al.  Universal input single-phase single-stage power supply with power factor correction and automatic voltage clamping , 2001, 2001 IEEE 32nd Annual Power Electronics Specialists Conference (IEEE Cat. No.01CH37230).

[4]  Rong-Jong Wai,et al.  High step-up converter with coupled-inductor , 2005 .

[5]  Fred C. Lee,et al.  A high efficient single stage single switch high power factor AC/DC converter with universal input , 1997, Proceedings of APEC 97 - Applied Power Electronics Conference.

[6]  Sung-Pei Yang,et al.  Analysis and Design for a Novel Single-Stage High Power Factor Correction Diagonal Half-Bridge Forward AC-DC Converter , 2006, IEEE Trans. Circuits Syst. I Regul. Pap..

[7]  Fred C. Lee,et al.  Single-stage single-switch power-factor-correction AC/DC converters with DC-bus voltage feedback for universal line applications , 1998 .

[8]  Milan M. Jovanovic,et al.  Comparison between CCM single-stage and two-stage boost PFC converters , 1999, APEC '99. Fourteenth Annual Applied Power Electronics Conference and Exposition. 1999 Conference Proceedings (Cat. No.99CH36285).

[9]  Oscar Garcia,et al.  Single phase power factor correction: a survey , 2003 .

[10]  K. M. Smith,et al.  Engineering design of lossless passive soft switching methods for PWM converters. I. With minimum voltage stress circuit cells , 1998, APEC '98 Thirteenth Annual Applied Power Electronics Conference and Exposition.

[11]  Jinrong Qian,et al.  A high-efficiency single-stage single-switch high-power-factor AC/DC converter with universal input , 1998 .

[12]  D. Maksimovic,et al.  Analysis and design of a low-stress buck-boost converter in universal-input PFC applications , 2006, IEEE Transactions on Power Electronics.

[13]  Keyue Smedley,et al.  A topology survey of single-stage power factor corrector with a boost type input-current-shaper , 2000, APEC 2000. Fifteenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.00CH37058).

[14]  Fred C. Lee,et al.  High-efficiency, high step-up DC-DC converters , 2003 .

[15]  M. Chow,et al.  Single-stage single-switch isolated PFC regulator with unity power factor, fast transient response and low voltage stress , 1998, PESC 98 Record. 29th Annual IEEE Power Electronics Specialists Conference (Cat. No.98CH36196).

[16]  R. Gules,et al.  Voltage Multiplier Cells Applied to Non-Isolated DC–DC Converters , 2008, IEEE Transactions on Power Electronics.

[17]  Keyue Smedley,et al.  Engineering design of lossless passive soft switching methods for PWM converters. II. With nonminimum voltage stress circuit cells , 2001 .

[18]  M. R. Ramteke,et al.  Unity-Power-Factor Operation of Three-Phase AC–DC Soft Switched Converter Based On Boost Active Clamp Topology in Modular Approach , 2008, IEEE Transactions on Power Electronics.

[19]  Yungtaek Jang,et al.  Interleaved Boost Converter With Intrinsic Voltage-Doubler Characteristic for Universal-Line PFC Front End , 2007, IEEE Transactions on Power Electronics.

[20]  Kamal Al-Haddad,et al.  A review of single-phase improved power quality AC-DC converters , 2003, IEEE Trans. Ind. Electron..

[21]  V. Pjevalica,et al.  A Single-Stage AC/DC Converter with High Power Factor, Regulated Bus Voltage and Output Voltage , 2007, Annual Conference of the IEEE Industrial Electronics Society.

[22]  Rong-Jong Wai,et al.  High-efficiency power conversion for low power fuel cell generation system , 2005, IEEE Transactions on Power Electronics.

[23]  I. Barbi,et al.  A new ZVS-PWM active-clamping high power factor rectifier: analysis, design, and experimentation , 1998, APEC '98 Thirteenth Annual Applied Power Electronics Conference and Exposition.