Global Minimum Peak Current Control of the Three Level Isolated Half-Bridge Bi-Directional DC-DC Converters with PWM-Phase-Shifting Control

被引：0
|
作者：
Yang C. [1 ,2 ]
Xu H. [2 ]
Yuan Z. [1 ,2 ]
Xu Z. [3 ]
机构：
[1] University of Chinese Academy of Sciences, Beijing
[2] Key Laboratory of Power Electronics and Electric Drive Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing
[3] Green Energy Technology of China (Beijing) Co. Ltd, Beijing
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2020年 / 35卷 / 08期
关键词：
Dual-PWM-phase-shift; Minimum peak current control; Three-level half-bridge isolated bidirectional DC-DC converter; Working modes;
D O I：
10.19595/j.cnki.1000-6753.tces.190241
中图分类号：
学科分类号：
摘要：
This paper proposed a dual-PWM-phase-shift (DPWMPS) control method for three-level half-bridge isolated bidirectional DC-DC converter. Based on the analysis of the working principle of the method and the relative position of the voltages on both sides of the transformer, 12 operating modes of the system are concluded, and the power transmission characteristics of each mode are deduced. On this basis, a method of inductance minimum peak current control is proposed. This method achieves the global optimization of inductance peak current under the condition of voltage ratio m≤1. Finally, an experimental platform is built and the experimental results show that the algorithm is correct and effective. © 2020, Electrical Technology Press Co. Ltd. All right reserved.
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页码：1679 / 1689
页数：10
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