Analysis and simulation for a novel single-switch single-stage AC/DC converter

Author

Hou, Ting-Wei ; Yeh, Chun-Lin ; Lai, Jiun-Tze

Author_Institution

Nat. Cheng Kung Univ., Tainan

fYear

2007

fDate

Oct. 30 2007-Nov. 2 2007

Firstpage

1

Lastpage

4

Abstract

In this paper, a novel simple single switch single stage ac/dc converter with high power factor correction (HPFC) and high efficiency on the flyback topology is presented. In this proposed converter, the bulk inductor of the conventional ac/dc converter is substituted for an auxiliary winding of a transformer. The voltage stress across the bulk capacitor can be clamped under the rectified line voltage. The efficiency of this converter can reach 90% and the maximum power factor (PF) of this converter is 0.99 at the power of 25W when the input voUage is 110 VAC. The major advantages of this converter are the high efficiency and high PFC. The circuit operation, analysis, and simulations are presented in the paper.

Keywords

AC-DC power convertors; inductors; power capacitors; power factor correction; rectifying circuits; switching convertors; bulk capacitor; bulk inductor; efficiency 90 percent; flyback topology; power 25 W; power factor correction; rectified line voltage; single-switch single-stage AC-DC converter; transformer; voltage 110 V; Analog-digital conversion; Analytical models; Capacitors; DC-DC power converters; Inductors; Power factor correction; Reactive power; Stress; Switches; Topology; AC/DC converter; high efficiency; high power factor correction (HPFC); single switch single stage; voltage stress;

fLanguage

English

Publisher

ieee

Conference_Titel

TENCON 2007 - 2007 IEEE Region 10 Conference

Conference_Location

Taipei

Print_ISBN

978-1-4244-1272-3

Electronic_ISBN

978-1-4244-1272-3

Type

conf

DOI

10.1109/TENCON.2007.4428848

Filename

4428848