压接式IGBT健康管理方法综述

Review of Health Management Methods for Press-pack IGBTs

压接式IGBT功率器件是新型电力系统应用装备中的核心部件,对其健康管理可提升IGBT使用寿命与运行可靠性,保障新型电力系统的安全稳定。首先介绍压接式IGBT器件的封装结构和主要失效模式;其次以特征参数类型的不同,对现有健康状态监测方法进行分类阐述和分析;然后归纳现有压接式IGBT寿命预测方法的原理和特点;最后对现有的健康管理技术进行综合对比分析,并指出压接式IGBT健康管理方法需要进一步研究的问题和未来发展趋势。

Press-pack IGBT power devices are the core component in the new power system application equipment,and health management can improve their service lifetime and operational reliability,thus guaranteeing the safety and stability of new power systems.First,the package structure and main failure modes of press-pack IGBT devices are introduced.Second,the existing health condition monitoring methods are classified and analyzed according to different types of characteristic parameters.Third,the principles and characteristics of the existing lifetime prediction methods for press-pack IGBTs are summarized.Finally,a comprehensive comparative analysis of the existing health management technologies is performed,and the problems in the health management methods for press-pack IGBTs which need to be further studied and the development trends in the future are pointed out.