单支路t型变换器中开关器件比较及RC缓冲器抑制振铃

2018 Asian Conference on Energy, Power and Transportation Electrification (ACEPT) Pub Date : 2018-10-01 DOI:10.1109/ACEPT.2018.8610855

Yong Liul, Fan Fei, K. See, Xiong Liu, Ziyou Lim, R. Simanjorang, J. Pou, A. Gupta, J. Lai

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引用次数: 2

摘要

本文设计和研究了一种采用全碳化硅半桥功率模块和碳化硅与硅功率模块组合的混合功率模块的单支t型变换器。首先，通过双脉冲测试(DPT)对Cree SiC器件CAS300M12BM2和Semikron SiC器件SKM350MB120SCH17单支t型转换器的开关特性进行了比较。然后，为了进一步研究其性能，构建了采用Cree SiC器件CAS300M12BM2和Semikron Si器件SKM300GM12T4的单支t型变换器的混合功率模块，与全SiC器件的t型变换器相比，可以提高功率密度。为了抑制中腿开关装置的振铃，设计了电阻-电容缓冲器，并用DPT进行了演示。最后，对混合单支t型变换器的性能进行了实验验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Switching Devices Comparison and RC Snubber for Ringing Suppression in one Single Leg T-type Converter

In this paper, one single leg T-type converter with full silicon carbide (SiC) half-bridge power modules and hybrid power modules combined silicon carbide (SiC) with silicon (Si) power module, are designed and investigated. Firstly, the switching characteristics of Cree SiC device CAS300M12BM2 and Semikron SiC device SKM350MB120SCH17 single-leg T-Type converters are compared with double pulse testing (DPT). Then, to further investigate the performance, the hybrid power modules of the single leg T-type converter with Cree SiC device CAS300M12BM2 and Semikron Si device SKM300GM12T4 are built, which can increases the power density, compared to the full SiC devices T-type converter. To suppress the ringing of the middle leg switching device, the resistor-capacitor (RC) snubber are designed and demonstrated with DPT. Finally, the function testing of the hybrid single leg T-type converter are experimentally verified.

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2018 Asian Conference on Energy, Power and Transportation Electrification (ACEPT)

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