Fast Transient Current Control for Three-Phase Dual-Active-Bridge DC-DC Converters with Variable Duty Cycles

被引：0

作者：

Li, Zhuoqiang ^{[1
]}

Wang, Yue ^{[1
]}

Cui, Yao ^{[1
]}

Shi, Ling ^{[1
]}

Huang, Jun ^{[1
]}

Lei, Wanjun ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R China

来源：

2017 THIRTY SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2017年

关键词：

three-phase dual-active-bridge (3p-DAB); fast transient current control (FTCC); dynamic behavior; variable duty cycles; INSTANTANEOUS CURRENT CONTROL; MODULATION;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper proposes two fast transient current control (FTCC) methods for three-phase dual-active-bridge (3p-DAB) dc-dc converters under PWM control strategy with three control variables. The proposed control methods can balance three phase inductor currents fast and avoid the oscillations in dc currents when duty cycles are changed abruptly caused by fast changed transmission power. The space-vector method and superposition theorem are applied to analyze the steady-state and dynamic behavior of a 3p-DAB converter. According to the analysis results, two dynamic control approaches are presented to enable converters transfer from one steady state to another one within one-third and two-third switching period respectively. Finally, a laboratory prototype has been built and the theoretical analysis is verified by experimental results.

引用

页码：1209 / 1215

页数：7

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