谢阳腾;丘东元;谢帆;

• 1:华南理工大学电力学院

摘要(Abstract)：

对于大容量电力电子系统,其可靠性分析既要考虑器件的微观物理机理,又要结合系统的宏观工作特性,宏观与微观的结合无疑会带来计算量与精确度的矛盾,从而影响了可靠性预测的准确性。针对这个问题,文中尝试基于多尺度的思想,以模块化多电平变流器(modular multilevel converter,MMC)为研究对象,将现有的MMC可靠性研究从微观到宏观划分为器件级、电路级和系统级等3个尺度,系统梳理了各尺度的可靠性分析方法,并分析了不同尺度之间的相互影响。接着,总结了大容量电力电子系统多尺度可靠性分析方法,并以文中总结的内容为基础提出了不同尺度可靠性模型互联的思路。最后展望了MMC多尺度可靠性分析在未来的主要挑战。

关键词(KeyWords)： 模块化多电平变流器;多尺度;可靠性分析

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2018YFB0905804)~~

作者(Author): 谢阳腾;丘东元;谢帆;

Email:

DOI: 10.13335/j.1000-3673.pst.2019.2014

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