Current sensorless control for bidirectional full-bridge converter in DC distributed system

Author

Chen, Hung-Chi ; Liao, Jhen-Yu

Author_Institution

Dept. of Electr. & Comput. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan

fYear

2012

fDate

15-20 Sept. 2012

Firstpage

3787

Lastpage

3794

Abstract

In this paper, the average behavior of a bidirectional AC-DC converter is analyzed and simplified to an equivalent single-switch model. Based on this single-switch model, new current sensorless control without any current loop is developed and implemented. Compared with the conventional multi-loop control, the proposed current sensorless control is able to regulate DC-side voltage and yield sinusoidal current in phase with the AC input voltage simultaneously. The provided simulation and experiment results also demonstrate the proposed current sensorless control.

Keywords

AC-DC power convertors; electric current control; power distribution control; sensorless machine control; voltage control; DC distributed system; DC side voltage regulation; bidirectional full bridge AC-DCconverter; current loop; equivalent single switch model; multiloop control; sensorless current control; sinusoidal current; DC-DC power converters; Equations; Inverters; Rectifiers; Sensorless control; Switches; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Energy Conversion Congress and Exposition (ECCE), 2012 IEEE

Conference_Location

Raleigh, NC

Print_ISBN

978-1-4673-0802-1

Electronic_ISBN

978-1-4673-0801-4

Type

conf

DOI

10.1109/ECCE.2012.6342292

Filename

6342292