Accurate Small-Signal Model for the Digital Control of an Automotive Bidirectional Dual Active Bridge

被引：321

作者：

Krismer, Florian ^{[1
]}

Kolar, Johann W. ^{[1
]}

机构：

[1] ETH, Power Elect Syst Lab, Swiss Fed Inst Technol, CH-8092 Zurich, Switzerland

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2009年 / 24卷 / 12期

关键词：

DC-DC power conversion; digital control; discrete-time systems; measurement; transient analysis; DC-DC CONVERTER; POWER ELECTRONICS; VOLTAGE;

D O I：

10.1109/TPEL.2009.2027904

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：

The derivation of an accurate small-signal model for a galvanically isolated, bidirectional dc-dc converter and the implementation of a corresponding controller on a DSP as well as key methods and functions required for the digital implementation are detailed in this paper. The investigated dc-dc converter, an automotive dual active bridge (DAB) system, enables power transfer between a low-voltage port (ranging from 11 to 16 V) and an HV port (240 to 450 V). The nominal power rating is 2 kW. The developed small-signal model yields highly accurate results for the DAB system, but the proposed modeling procedure could also be applied to arbitrary resonant power converters with unidirectional or bidirectional power transfer.

引用

页码：2756 / 2768

页数：13

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