A Self-Oscillating Control Scheme for a Boost Converter Providing a Controlled Output Current

被引：9

作者：

Knott, Arnold ^{[1
]}

Pfaffinger, Gerhard R. ^{[2
]}

Andersen, Michael A. E. ^{[1
]}

机构：

[1] Tech Univ Denmark, DTU Elektro, Dept Elect Engn, DK-2800 Lyngby, Denmark

[2] Harman Becker Automot Syst GmbH, Amplifier Grp, D-94315 Straubing, Germany

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2011年 / 26卷 / 09期

关键词：

Battery chargers; current control; current supplies; dc-dc power conversion; pulse width modulated power converters; solar energy; HIGH-EFFICIENCY; BATTERY CHARGER; VOLTAGE;

D O I：

10.1109/TPEL.2011.2126600

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Most switched mode power supplies provide a regulated voltage at their output. However, there are applications requiring a controlled current. Among others are battery chargers, test equipment for converters driven by solar cells, and LED drivers. This paper describes a dc-dc power converter realizing such a current source. The converter is based on a boost converter, supplied by a voltage source and acting as a current source. The boost converter can increase the output voltage above the input voltage. The converter provides a high control bandwidth based on a self-oscillating current loop. As additional practical features, soft start and output overvoltage limitation are included and described in this paper. The modulator, the control, and the power stage are described in detail and verified by the experiment.

引用

页码：2707 / 2723

页数：17

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