Availability Modeling in Power Converters Considering Components Aging

被引：10

作者：

Peyghami, Saeed ^{[1
]}

Blaabjerg, Frede ^{[1
]}

机构：

[1] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg, Denmark

来源：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 2020年 / 35卷 / 04期

关键词：

Maintenance engineering; Aging; Reliability; Power system reliability; Switched mode power supplies; Markov processes; Availability; exponential failure rate; power converter; wear-out failure; aging failure;

D O I：

10.1109/TEC.2020.3018631

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Power electronic converters are increasingly used in power systems. However, they are vulnerable components and prone to aging failures, thus affecting overall system reliability. Therefore, their availability modeling especially in large-scale power electronic-based power systems is of paramount importance. This letter introduces four different approaches for converter availability modeling considering aging failures under different maintenance strategies. The accuracy and calculation burden of these approaches are illustrated by numerical analysis. It is shown that the method of device of stages and piece-wise approach are the most applicable methods in the case of corrective and preventive maintenance strategies respectively.

引用

页码：1981 / 1984

页数：4

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