12kV SiC n-IGBT型3L NPC变换器的热设计考虑

2012 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2012-11-12 DOI:10.1109/ECCE.2012.6342445

G. Karimi-Moghaddam, R. Gould, S. Madhusoodhanan, K. Hatua, S. Bhattacharya, S. Leslie, S. Ryu, M. Das, A. Agarwal, D. Grider

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引用次数: 12

摘要

无变压器智能变电站(TIPS)是用于13.8kV和480V电网互联的传统笨重配电变压器的固态替代品。一个100kVA 3L NPC变换器正在建造中，使用12kV SiC n-IGBT作为高压电网接口。本文对该转炉的详细热行为进行了研究，以进行最佳热设计。研究了不同工作功率因数下模具层的热分布。该研究有助于优化元件在变流器中的位置。结果表明，转炉的工作方式对优化热设计起着关键作用。

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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Thermal design considerations for 12kV SiC n-IGBT based 3L NPC converter

Transformer less Intelligent Power Substation (TIPS) is a solid state replacement for the conventional bulky distribution transformers used for 13.8kV and 480V grid interconnectivity. A 100kVA 3L NPC converter is being built using 12kV SiC n-IGBT for the high voltage grid interface. In this paper, detailed thermal behavior of this converter is studied for optimum thermal design. The thermal profile at the die level at different power factor of operation is studied. This study helps the optimum component placement in the converter. Also it shows that the operating modes of the converter play a key role in optimum thermal design.

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2012 IEEE Energy Conversion Congress and Exposition (ECCE)

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