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首页> 外文会议>European Conference on Power Electronics and Applications >Experimental EMI study of a 3-phase 100kW 1200V Dual Active Bridge Converter using SiC MOSFETs
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Experimental EMI study of a 3-phase 100kW 1200V Dual Active Bridge Converter using SiC MOSFETs

机译：使用SiC MOSFET的三相100kW 1200V双有源桥式转换器的EMI实验研究

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摘要

This paper presents a system-level EMI investigation in a new 3-phase 1.2kV 100kW insulated DC/DC converter. In this prototype, achieving full operation was prevented by false triggering of semiconductors due to large common-mode current through gate drivers. A passive filter embedded into the structure of the transformer to connect it to the ground is proposed as a corrective and cost effective solution to mitigate the electromagnetic interferences. New grounding layout enabled to reduce the common-mode current through gate drivers by up to 75% without decreasing the switching rate. This allowed to proceed to measurements on the prototype at nominal operation. The method is validated in simulation and extensive experimental results have been obtained from the considered prototype. This proved the feasibility of the proposed solution and showed the effect of the transformer design in EMI behavior of insulated DC/DC converters.
机译：本文介绍了在新型三相1.2kV 100kW绝缘DC / DC转换器中的系统级EMI研究。在该原型中，由于流经栅极驱动器的大共模电流导致的半导体误触发，无法实现完全操作。提出了一种嵌入到变压器结构中以将其接地的无源滤波器，作为减轻电磁干扰的一种纠正且具有成本效益的解决方案。新的接地布局能够在不降低开关速率的情况下将通过栅极驱动器的共模电流降低多达75％。这样就可以在标称工作状态下对原型进行测量。该方法已在仿真中得到验证，并且已从所考虑的原型中获得了广泛的实验结果。这证明了所提出解决方案的可行性，并展示了变压器设计对绝缘DC / DC转换器的EMI行为的影响。

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