A Delay Compensation Control Method Based on Interleaved Dual BUCK Full Bridge Grid-connected Bidirectional Converter

被引：0

作者：

Cui, Yulu ^{[1
]}

Wang, Yifeng ^{[1
]}

Ma, Xiaoyong ^{[1
]}

机构：

[1] Tianjin Univ, Sch Elect & Informat Engn, Tianjin, Peoples R China

来源：

2019 22ND INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2019) | 2019年

关键词：

dual-buck; control delay; bode compensation; inverter; rectifier;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The interleaved dual-buck full bridge bidirectional converter consists of two modes of inverter and rectifier. The mathematical models of the converter are constructed based on the two modes. On this basis, the impact of control delay on the system is further analyzed. Considering the analysis result, a controller design method with bode graph compensation is proposed in this paper. On the one hand, the control method can suppress the influence of control delay on the system and improve the stability of the system. On the other hand, the phase margin and amplitude margin of the system can be improved to obtain better dynamic characteristics. Finally, a 5kw experimental prototype was established to verify the rationality of theoretical analysis. The results show that the maximum efficiency of the converter in both inverter and rectifier modes is not lower than 98%.

引用

页码：5675 / 5679

页数：5

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