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Study and Handling Methods of Power IGBT Module Failures in Power Electronic Converter Systems

机译：电力电子变流器系统中功率IGBT模块故障的研究与处理方法

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摘要

Power electronics plays an important role in a wide range of applications in order to achieve high efficiency and performance. Increasing efforts are being made to improve the reliability of power electronics systems to ensure compliance with more stringent constraints on cost, safety, and availability in different applications. This paper presents an overview of the major failure mechanisms of IGBT modules and their handling methods in power converter systems improving reliability. The major failure mechanisms of IGBT modules are presented first, and methods for predicting lifetime and estimating the junction temperature of IGBT modules are then discussed. Subsequently, different methods for detecting open- and short-circuit faults are presented. Finally, fault-tolerant strategies for improving the reliability of power electronic systems under field operation are explained and compared in terms of performance and cost.
机译：电力电子在广泛的应用中起着重要的作用，以实现高效率和高性能。为了提高电力电子系统的可靠性，人们正在做出更大的努力，以确保符合不同应用中对成本，安全性和可用性的更严格的限制。本文概述了功率变换器系统中提高可靠性的IGBT模块的主要故障机理及其处理方法。首先介绍了IGBT模块的主要故障机理，然后讨论了预测寿命和估算IGBT模块结温的方法。随后，提出了用于检测开路和短路故障的不同方法。最后，从性能和成本的角度，对提高电力电子系统现场操作可靠性的容错策略进行了解释和比较。

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