A novel and low cost design for forward AC/DC converter with harmonic current correction

Author

Chang, Lon-Kou ; Liu, Hsing-Fu

Author_Institution

Electr. & Control Eng. Dept., Chiao Tung Univ., Hsingchu

Volume

1

fYear

2004

fDate

14-16 Aug. 2004

Firstpage

105

Abstract

This paper presents a new simple forward AC/DC converter with harmonic current correction and fast output voltage regulation. In the proposed AC/DC converter, an extra winding wounded in transformer provides two major merits: The function of bulk inductor has been replaced by tills extra back-feeding transformer winding in the proposed converter and significant volume and weight in magnetic material can be saved. The voltage across bulk capacitor can be hold under 450 V by tuning transformer windings ratio even though the converter operates in wide range input voltage (90 V~ 265 V/ac). This new converter complies with IEC 61000-3-2 under the load range of 200 W and it has fast output voltage regulation

Keywords

AC-DC power convertors; capacitor switching; magnetic materials; power conversion harmonics; power factor correction; power inductors; switched mode power supplies; transformer windings; voltage control; 200 W; 2665 V; 90 V; AC-DC converter; IEC 61000-3-2; capacitor; harmonic current correction; inductor; low cost design; magnetic material; power factor correction; switching mode power supply; transformer winding; voltage regulation;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics and Motion Control Conference, 2004. IPEMC 2004. The 4th International

Conference_Location

Xi´an

Print_ISBN

7-5605-1869-9

Type

conf

Filename

1377792