Current Stress Optimisation Strategy for Three-phase Dual Active Bridge Converter during the Start-Up Process

被引：0

作者：

Chen, Guofu ^{[1
]}

Mu, Xiaobin ^{[1
]}

Wang, Xiang ^{[1
]}

Jiao, Honglin ^{[2
]}

Hao, Ruixiang ^{[2
]}

Zhu, Wu ^{[2
]}

机构：

[1] Global Energy Interconnect Res Inst Co Ltd, State Key Lab Adv Power Transmiss Technol, Beijing 102209, Peoples R China

[2] Beijing Jiaotong Univ, Sch Elect Engn, Beijing 100044, Peoples R China

来源：

2020 4TH INTERNATIONAL CONFERENCE ON ELECTRICAL, AUTOMATION AND MECHANICAL ENGINEERING | 2020年 / 1626卷

关键词：

DC-DC CONVERTER;

D O I：

10.1088/1742-6596/1626/1/012064

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Three-phase dual active bridge (3p-DAB) converter is widely used in high-power bidirectional power transfer applications, due to its unique high power density and easy implementation of soft switching. In this paper, the start-up process of the 3p-DAB converter is studied. The cause of high current stress, especially in the case of heavy-load start-up is analysed, and a new start-up control strategy for the start-up process is proposed. The control strategy is helpful to reduce the current stress of the transformer and the switches by adjusting the duty-cycle and the phase shift angle coordinately without adding any other hardware circuits. Finally, based on a TMS320F28377D + XC6SLX25 controller, a 30kW 3p-DAB converter prototype with input voltage 650-750V and output voltage 400-500V is developed to verify the effectiveness of the proposed start-up strategy.

引用

页数：9

共 11 条

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