A quadratic high step-up DC-DC converter with voltage multiplier

Author

Shih-Ming Chen ; Liang, Tsorng-Juu ; Yang, Lung-Sheng ; Chen, Jiann-Fuh ; Juang, Kai-Cheung

Author_Institution

Dept. of Electr. Eng., Nat. Cheng-Kung Univ., Tainan, Taiwan

fYear

2011

fDate

15-18 May 2011

Firstpage

1025

Lastpage

1029

Abstract

By cascading two different converters being a quadratic step-up converter and adopting voltage multiplier achieve extra ratio of voltage conversion with appropriated duty ratio and low turn ratio of the coupled inductor. However, the energy stored in the leakage inductor of the coupled inductor can be recycled to the output capacitor. The operating principles and steady-state analyses of continuous conduction mode are discussed. A 200-W/400-V prototype sample is implemented with input voltage 20-V. The maximum efficiency of 93.2% is reached; the full load efficiency remains at 89.5%.

Keywords

DC-DC power convertors; capacitors; inductors; voltage multipliers; continuous conduction mode; coupled inductor; duty ratio; leakage inductor; power 200 W; quadratic high step-up DC-DC converter; steady-state analysis; voltage 400 V; voltage multiplier; Capacitors; Inductors; Magnetomechanical effects; Resistance; Steady-state; Stress; Switches; coupled inductor; high step-up voltage gain; quadratic converter; single switch;

fLanguage

English

Publisher

ieee

Conference_Titel

Electric Machines & Drives Conference (IEMDC), 2011 IEEE International

Conference_Location

Niagara Falls, ON

Print_ISBN

978-1-4577-0060-6

Type

conf

DOI

10.1109/IEMDC.2011.5994741

Filename

5994741