Minimum Backflow Power Control of Bidirectional Isolated DC-DC Converters

被引：0

作者：

Wen, Huiqing ^{[1
]}

Zheng, Lin ^{[1
]}

机构：

[1] Xian Jiaotong Liverpool Univ, Dept Elect & Elect Engn, Suzhou, Peoples R China

来源：

2018 IEEE INTERNATIONAL CONFERENCE ON POWER ELECTRONICS, DRIVES AND ENERGY SYSTEMS (PEDES) | 2018年

关键词：

Bidirectional DC-DC converter; extended-phase-shift; transmission power; backflow power; closed-loop control; REACTIVE POWER;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Bidirectional dual-active-bridge (DAB) DC-DC converter with the conventional single-phase-shift (SPS) control may cause large circulating current and high current stress. To overcome these drawbacks, extended-phase-shift (EPS) control can be used in order to improve the efficiency. Considering multiple possible optimization objectives and infinite phase-shift variables of EPS control, the backflow power of DAB converter is selected as the unique optimization objective. A mathematical algorithm is proposed to determine the minimum backllow power and optimal phase-shifting angles. Furthermore, a simple closed loop control is adopted to alleviate the practical algorithm implementation burden in real-time digital microcontrollers. Both simulation and experimental results are provided to verify the performance of the proposed backflow-oriented algorithm.

引用

页数：5

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