Dual Active Bridge DC-DC Converter Based on Vector Control

Pinggang SONG; Jinghui TAN; Zhenbang ZHOU; Runjin ZHONG

doi:10.13890/j.issn.1000-128x.2019.05.012

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Dual Active Bridge DC-DC Converter Based on Vector Control

Research & Development | 更新时间：2021-12-13

- Dual Active Bridge DC-DC Converter Based on Vector Control
- Electric Drive for Locomotives Issue 5, Pages: 54-58(2019)
- 作者机构：
  
  1.华东交通大学　电气与自动化工程学院，江西　南昌　330013
  2.中车株洲所电气技术与材料工程研究院，湖南　株洲　412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2019.05.012
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Pinggang SONG, Jinghui TAN, Zhenbang ZHOU, et al. Dual Active Bridge DC-DC Converter Based on Vector Control. [J]. Electric Drive for Locomotives (5):54-58(2019)
DOI：

Pinggang SONG, Jinghui TAN, Zhenbang ZHOU, et al. Dual Active Bridge DC-DC Converter Based on Vector Control. [J]. Electric Drive for Locomotives (5):54-58(2019) DOI： 10.13890/j.issn.1000-128x.2019.05.012.

摘要

双有源桥DC-DC变换器（Dual Active Bridge，简称DAB）是电力电子变压器取代传统变压器的核心器件，为了提升DAB的动态响应速度，在单移相的基础上，结合两电平PWM模型，提出了一种矢量控制策略。通过将高频变压器高压侧电流变为,d,-,q,坐标矢量，对DAB低压侧输出电压和无功电流进行控制。该控制方法可以提升动态响应速度，保证功率平衡并减小损耗。最后，在Matlab/Simulink仿真平台建立了DAB矢量控制模型。结果表明，DAB DC-DC变换器在矢量控制策略下，有更快的动态响应速度，对无功电流有良好的控制效果。

Abstract

DAB (Dual Active Bridge) is the core devlce of replacing traditional transformers with power electronic transformers.In order to improve the dynamic response speed of DAB, a vector control strategy was proposed based on single-phase shift and two-level PWM model. By changing the high voltage side current of high frequency transformer into ,d,-,q, coordinate vector, the output voltage and reactive current of low voltage side of DAB were controlled. The control method could improve the dynamic response speed, ensure the power balance and reduce the loss. Finally, the DAB vector control model was established on the Matlab/Simulink simulation platform. The results showed that DAB DC-DC converter has faster dynamic response speed and good control effect on reactive current under vector control strategy.

关键词

双有源桥（DAB）动态响应矢量控制仿真验证

Keywords

dual active bridge (DAB)dynamic responsevector controlsimulation verification

references

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