Analytic Solutions for Minimum Conduction Loss Modulation of Dual Active Bridge Converters Including Frequency Variation

被引：0

作者：

Saegmueller, Michael ^{[1
]}

Hackl, Christoph ^{[2
]}

Witzmann, Rolf ^{[3
]}

Richter, Rene ^{[1
]}

机构：

[1] BMW AG, Res High Voltage Elect Powertrain, Garching, Germany

[2] Munich Univ Appl Sci, Dept Elect Engn & Informat Technol, Munich, Germany

[3] Tech Univ Munich, Chair High Voltage Engn & Switchgear Technol, Munich, Germany

来源：

IECON 2020: THE 46TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2020年

关键词：

Dual Active Bridge; conduction losses; variable frequency;

D O I：

10.1109/iecon43393.2020.9254860

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents analytic solutions for the calculation of an optimal modulation scheme including frequency variation for a bidirectional single phase dual active bridge (DAB) dc-dc converter used for charging high-voltage batteries of electric vehicles. The proposed modulation scheme facilitates the minimum conduction loss operation of the DAB converter. The losses can be reduced significantly, especially for light- and medium-load conditions. Analytic expressions are derived for a direct calculation of the optimal control parameters. These expressions are verified with a numerical simulation. Moreover, a significant reduction of the necessary computational time can be achieved for the analytic determination.

引用

页码：4661 / 4666

页数：6

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