大功率三相双有源桥式三电平相腿DC-DC变换器的评价

2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe) Pub Date : 2016-10-27 DOI:10.1109/EPE.2016.7695616

N. Baars, J. Everts, C. Wijnands, E. Lomonova

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引用次数: 14

摘要

分析了一种具有三电平相腿的三相双有源桥(DAB)变换器，与传统的两电平电路相比，在输入输出电压不等的情况下，交流链路的软开关区域增大，有效值电流减小。此外，还比较了使用市售硅(Si)和碳化硅(SiC)功率模块的不同三电平逆变器的半导体损耗。使用SiC和Si功率模块组合的t型实现具有最低的损耗。实验结果，从大功率样机获得，包括支持评估三级三相DAB。

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Evaluation of a high-power three-phase dual active bridge DC-DC converter with three-level phase-legs

A three-phase dual active bridge (DAB) converter with three-level phase-legs is analyzed, showing an increased soft-switching region and a reduction in rms current in the ac-link for unequal input and output voltages compared to the conventional two-level circuit. Furthermore, a comparison of the semiconductor losses is carried out for different three-level inverter implementations using commercially available silicon (Si) and silicon-carbide (SiC) power modules. The lowest losses are found for the T-type implementation with a combination of SiC and Si power modules. Experimental results, obtained from a high-power prototype, are included to support the evaluation of the three-level three-phase DAB.

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来源期刊

2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe)

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