摘要
大容量电力电子装备的可靠性综合分析与评估方法对装备的优化设计至关重要,而其核心问题仍未被解决。通过对器件的物理失效机理分析,可以获得不同关键器件的不同失效模式,建立多物理场耦合下的可靠性研究的理论基础,更为准确地针对具体器件、系统、物理场以及不同时间尺度展开可靠性量化评估。介绍了电力半导体器件、电容器和装备相关的可靠性研究现状,分析了器件失效物理机理、可靠性分析方法,总结了现有研究存在的问题,提出了相应的解决方案,展望了大容量电力电子装备可靠性的未来研究方向。
The comprehensive reliability analysis and evaluation method are vital to the optimal design of large capacity power electronic equipment,but its core problem has not been solved.Through the analysis of the physical failure mechanism of a device,different failure modes of various key devices can be obtained.In accordance with the theoretical basis of reliability research under the coupling of multi-physical fields,the reliability evaluation can be carried out more accurately for specific devices,systems,and physical fields under different time scales.We introduced the reliability research status of power semiconductor devices,capacitors and equipment,and analyzed the physical mechanism of device failure and reliability analysis methods.Summarizing the existing research problems,we proposed the corresponding solutions,and pointed out the future research direction of the reliability of large capacity power electronic equipment.
作者
雷万钧
刘进军
吕高泰
吕春林
曹瑞
LEI Wanjun;LIU Jinjun;LÜ Gaotai;LÜ Chunlin;CAO Rui(School of Electrical Engineering,Xi'an Jiaotong University,Xi'an 710049,China)
出处
《高电压技术》
EI
CAS
CSCD
北大核心
2020年第10期3353-3361,共9页
High Voltage Engineering
基金
国家重点研发计划(大容量电力电子装备多物理场综合分析及可靠性评估方法的研究)(2018YFB0905800)。
