两电平三相准软开关逆变器效率分析

2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2013-03-17 DOI:10.1109/APEC.2013.6520452

Pan Geng, Weimin Wu, Min Huang, F. Blaabjerg

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引用次数: 15

摘要

在设计逆变器时，工程师往往需要事先对效率进行选择和预测。对于标准逆变器，大量的研究都在分析其功率损耗，也有许多软件工具用于效率计算。本文通过对一种特殊的两电平三相准软开关逆变器的分析，介绍了具有特殊穿透状态的非常规逆变器的效率计算方法。对经典两级两电平三相逆变器与两电平三相准软开关逆变器的效率进行了比较。构建了一个10 kW/380 V的原型来验证分析。实验结果表明，新型逆变器的效率高于传统的两级两电平三相逆变器。

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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Efficiency analysis on a two-level three-phase quasi-soft-switching inverter

When designing an inverter, an engineer often needs to select and predict the efficiency beforehand. For the standard inverters, plenty of researches are analyzing the power losses and also many software tools are being used for efficiency calculation. In this paper, the efficiency calculation for non-conventional inverters with special shoot-through state is introduced and illustrated through the analysis on a special two-level three-phase quasi-soft-switching inverter. Efficiency comparison between the classical two-stage two-level three-phase inverter and the two-level three-phase quasi-soft-switching inverter is carried out. A 10 kW/380 V prototype is constructed to verify the analysis. The experimental results show that the efficiency of the new inverter is higher than that of the traditional two-stage two- level three-phase inverter.

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2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC)

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